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A. Desai and T. J. Mitchison A new role for motor proteins as couplers to depolymerizing microtubules 1 U. F. Greber and L. Gerace Depletion of calcium from the lumen of endoplasmic reticulum reversibly inhibits passive diffusion and signal-mediated transport into the nucleus . . . . . . . . . . . . . . . . 5 M. A. Garcia-Blanco and D. D. Miller and M. P. Sheetz Nuclear spreads: I. Visualization of bipartite ribosomal RNA domains . . . . 15 P. S. Kim and P. Arvan Calnexin and BiP act as sequential molecular chaperones during thyroglobulin folding in the endoplasmic reticulum . . . . . . . . . . . . . . . 29 A. Chang and G. R. Fink Targeting of the yeast plasma membrane [H+]ATPase: a novel gene AST1 prevents mislocalization of mutant ATPase to the vacuole . . . . . . . . . . . . . . . . 39 M. Way and M. Sanders and C. Garcia and J. Sakai and P. Matsudaira Sequence and domain organization of scruin, an actin-cross-linking protein in the acrosomal process of Limulus sperm . . . . . . . . . . . . . . . . . 51 D. A. Schafer and C. Hug and J. A. Cooper Inhibition of CapZ during myofibrillogenesis alters assembly of actin filaments . . . . . . . . . . . . 61 H. Deng and J. K. Lee and L. S. Goldstein and D. Branton Drosophila development requires spectrin network formation . . . . . . . . . . . 71 Y. H. Song and E. Mandelkow The anatomy of flagellar microtubules: polarity, seam, junctions, and lattice 81 L. Wordeman and T. J. Mitchison Identification and partial characterization of mitotic centromere-associated kinesin, a kinesin-related protein that associates with centromeres during mitosis . . . . 95 V. A. Lombillo and C. Nislow and T. J. Yen and V. I. Gelfand and J. R. McIntosh Antibodies to the kinesin motor domain and CENP--E inhibit microtubule depolymerization-dependent motion of chromosomes in vitro . . . . . . . . . . 107 A. A. Hyman and D. Chrétien and I. Arnal and R. H. Wade Structural changes accompanying GTP hydrolysis in microtubules: information from a slowly hydrolyzable analogue guanylyl-(alpha,beta)-methylene-diphosphonate 117 E. Tanaka and M. W. Kirschner The role of microtubules in growth cone turning at substrate boundaries . . . . 127 E. Tanaka and T. Ho and M. W. Kirschner The role of microtubule dynamics in growth cone motility and axonal growth 139 K. M. Albers and F. E. Davis and T. N. Perrone and E. Y. Lee and Y. Liu and M. Vore Expression of an epidermal keratin protein in liver of transgenic mice causes structural and functional abnormalities . . . . . . . . . . . . . 157 A. S. Woolf and M. Kolatsi-Joannou and P. Hardman and E. Andermarcher and C. Moorby and L. G. Fine and P. S. Jat and M. D. Noble and E. Gherardi Roles of hepatocyte growth factor/scatter factor and the met receptor in the early development of the metanephros . . . . . . . . . . . . . . 171 T. Timmusk and U. Lendahl and H. Funakoshi and E. Arenas and H. Persson and M. Metsis Identification of brain-derived neurotrophic factor promoter regions mediating tissue-specific, axotomy-, and neuronal activity-induced expression in transgenic mice . . . . . . . . . . . . 185 I. Martinou and P. A. Fernandez and M. Missotten and E. White and B. Allet and R. Sadoul and J. C. Martinou Viral proteins E1B19K and p35 protect sympathetic neurons from cell death induced by NGF deprivation . . . . . . . 201 M. K. Byeon and Y. Sugi and R. R. Markwald and S. Hoffman NCAM polypeptides in heart development: association with Z discs of forms that contain the muscle-specific domain . . . 209 K. S. Cheah and A. Levy and P. A. Trainor and A. W. Wai and T. Kuffner and C. L. So and K. K. Leung and R. H. Lovell-Badge and P. P. Tam Human COL2A1-directed SV40 T antigen expression in transgenic and chimeric mice results in abnormal skeletal development . . . . . . . . . . . . . . 223 V. Lefebvre and S. Garofalo and B. de Crombrugghe Type X collagen gene expression in mouse chondrocytes immortalized by a temperature-sensitive simian virus 40 large tumor antigen . . . . . . . . . . 239
F. Buss and M. Stewart Macromolecular interactions in the nucleoporin p62 complex of rat nuclear pores: binding of nucleoporin p54 to the rod domain of p62 . . . . . . . . . . . 251 J. Staudinger and J. Zhou and R. Burgess and S. J. Elledge and E. N. Olson PICK1: a perinuclear binding protein and substrate for protein kinase C isolated by the yeast two-hybrid system . . . . . 263 J. D. Miller and S. Tajima and L. Lauffer and P. Walter The beta subunit of the signal recognition particle receptor is a transmembrane GTPase that anchors the alpha subunit, a peripheral membrane GTPase, to the endoplasmic reticulum membrane . . . . . . . . . . . . . . . . 273 B. U. Barth and J. M. Wahlberg and H. Garoff The oligomerization reaction of the Semliki Forest virus membrane protein subunits . . . . . . . . . . . . . . . . 283 J. Lippincott-Schwartz and N. B. Cole and A. Marotta and P. A. Conrad and G. S. Bloom Kinesin is the motor for microtubule-mediated Golgi--to--ER membrane traffic . . . . . . . . . . . . 293 X. Tan and H. R. Waterham and M. Veenhuis and J. M. Cregg The Hansenula polymorpha PER8 gene encodes a novel peroxisomal integral membrane protein involved in proliferation . . . . . . . . . . . . . 307 S. Höning and W. Hunziker Cytoplasmic determinants involved in direct lysosomal sorting, endocytosis, and basolateral targeting of rat lgp120 (lamp--I) in MDCK cells . . . . . . . . 321 C. F. Lu and R. C. Montijn and J. L. Brown and F. Klis and J. Kurjan and H. Bussey and P. N. Lipke Glycosyl phosphatidylinositol-dependent cross-linking of alpha-agglutinin and beta 1,6-glucan in the \bionameSaccharomyces cerevisiae cell wall . . . . . . . . . . . . . . . . . . 333 M. Raichman and M. C. Panzeri and E. Clementi and P. Papazafiri and M. Eckley and D. O. Clegg and A. Villa and J. Meldolesi Differential localization and functional role of calsequestrin in growing and differentiated myoblasts . . . . . . . . 341 C. Pasternak and S. Wong and E. L. Elson Mechanical function of dystrophin in muscle cells . . . . . . . . . . . . . . 355 A. H. Ahn and L. M. Kunkel Syntrophin binds to an alternatively spliced exon of dystrophin . . . . . . . 363 A. Suzuki and M. Yoshida and E. Ozawa Mammalian alpha 1- and beta $1$-syntrophin bind to the alternative splice-prone region of the dystrophin COOH terminus . . . . . . . . . . . . . 373 B. Drees and C. Brown and B. G. Barrell and A. Bretscher Tropomyosin is essential in yeast, yet the TPM1 and TPM2 products perform distinct functions . . . . . . . . . . . 383 A. Ayme-Southgate and R. Southgate and J. Saide and G. M. Benian and M. L. Pardue Both synchronous and asynchronous muscle isoforms of projectin (the \bionameDrosophila bent locus product) contain functional kinase domains . . . 393 J. E. Segall and A. Kuspa and G. Shaulsky and M. Ecke and M. Maeda and C. Gaskins and R. A. Firtel and W. F. Loomis A MAP kinase necessary for receptor-mediated activation of adenylyl cyclase in \bionameDictyostelium . . . . 405 J. S. Zhang and F. M. Longo LAR tyrosine phosphatase receptor: alternative splicing is preferential to the nervous system, coordinated with cell growth and generates novel isoforms containing extensive CAG repeats . . . . 415 J. Arribas and J. Massagué Transforming growth factor-alpha and beta-amyloid precursor protein share a secretory mechanism . . . . . . . . . . 433
L. G. Marschall and L. Clarke A novel cis-acting centromeric DNA element affects S. pombe centromeric chromatin structure at a distance . . . 445 M. Sym and G. S. Roeder Zip1-induced changes in synaptonemal complex structure and polycomplex assembly . . . . . . . . . . . . . . . . 455 E. E. Schmidt and U. Schibler Cell size regulation, a mechanism that controls cellular RNA accumulation: consequences on regulation of the ubiquitous transcription factors Oct1 and NF--Y and the liver-enriched transcription factor DBP . . . . . . . . 467 R. Fischer and W. E. Timberlake Aspergillus nidulans apsA (anucleate primary sterigmata) encodes a coiled-coil protein required for nuclear positioning and completion of asexual development . . . . . . . . . . . . . . 485 R. C. Piper and X. Xu and D. G. Russell and B. M. Little and S. M. Landfear Differential targeting of two glucose transporters from Leishmania enriettii is mediated by an NH2-terminal domain 499 R. Erdmann and G. Blobel Giant peroxisomes in oleic acid-induced \bionameSaccharomyces cerevisiae lacking the peroxisomal membrane protein Pmp27p 509 S. Silberstein and P. G. Collins and D. J. Kelleher and P. J. Rapiejko and R. Gilmore The alpha subunit of the \bionameSaccharomyces cerevisiae oligosaccharyltransferase complex is essential for vegetative growth of yeast and is homologous to mammalian ribophorin I . . . . . . . . . . . . . . 525 C. Haass and E. H. Koo and A. Capell and D. B. Teplow and D. J. Selkoe Polarized sorting of beta-amyloid precursor protein and its proteolytic products in MDCK cells is regulated by two independent signals . . . . . . . . 537 R. N. Ghosh and F. R. Maxfield Evidence for nonvectorial, retrograde transferrin trafficking in the early endosomes of HEp2 cells . . . . . . . . 549 J. M. Venuti and J. H. Morris and J. L. Vivian and E. N. Olson and W. H. Klein Myogenin is required for late but not early aspects of myogenesis during mouse development . . . . . . . . . . . . . . 563 C. A. McGoldrick and C. Gruver and G. S. May myoA of Aspergillus nidulans encodes an essential myosin I required for secretion and polarized growth . . . . . 577 S. Muallem and K. Kwiatkowska and X. Xu and H. L. Yin Actin filament disassembly is a sufficient final trigger for exocytosis in nonexcitable cells . . . . . . . . . 589 R. Li and Y. Zheng and D. G. Drubin Regulation of cortical actin cytoskeleton assembly during polarized cell growth in budding yeast . . . . . . 599 W. S. Saunders and D. Koshland and D. Eshel and I. R. Gibbons and M. A. Hoyt Saccharomyces cerevisiae kinesin- and dynein-related proteins required for anaphase chromosome segregation . . . . 617 M. Gesemann and A. J. Denzer and M. A. Ruegg Acetylcholine receptor-aggregating activity of agrin isoforms and mapping of the active site . . . . . . . . . . . 625 C. Walch-Solimena and J. Blasi and L. Edelmann and E. R. Chapman and G. F. von Mollard and R. Jahn The t--SNAREs syntaxin 1 and SNAP-25 are present on organelles that participate in synaptic vesicle recycling . . . . . 637 L. Aigner and P. Caroni Absence of persistent spreading, branching, and adhesion in GAP-43-depleted growth cones . . . . . . 647 K. L. Moore and K. D. Patel and R. E. Bruehl and F. Li and D. A. Johnson and H. S. Lichenstein and R. D. Cummings and D. F. Bainton and R. P. McEver P-selectin glycoprotein ligand-1 mediates rolling of human neutrophils on P-selectin . . . . . . . . . . . . . . . 661 D. G. Jackson and J. I. Bell and R. Dickinson and J. Timans and J. Shields and N. Whittle Proteoglycan forms of the lymphocyte homing receptor CD44 are alternatively spliced variants containing the v3 exon 673 K. L. Bennett and D. G. Jackson and J. C. Simon and E. Tanczos and R. Peach and B. Modrell and I. Stamenkovic and G. Plowman and A. Aruffo CD44 isoforms containing exon V3 are responsible for the presentation of heparin-binding growth factor . . . . . 687 A. Beauvais and C. A. Erickson and T. Goins and S. E. Craig and M. J. Humphries and J. P. Thiery and S. Dufour Changes in the fibronectin-specific integrin expression pattern modify the migratory behavior of sarcoma S180 cells in vitro and in the embryonic environment . . . . . . . . . . . . . . 699
M. A. Powers and C. Macaulay and F. R. Masiarz and D. J. Forbes Reconstituted nuclei depleted of a vertebrate GLFG nuclear pore protein, p97, import but are defective in nuclear growth and replication . . . . . . . . . 721 F. Poulat and F. Girard and M. P. Chevron and C. Gozé and X. Rebillard and B. Calas and N. Lamb and P. Berta Nuclear localization of the testis determining gene product SRY . . . . . . 737 A. V. Strunnikov and J. Kingsbury and D. Koshland CEP3 encodes a centromere protein of \bionameSaccharomyces cerevisiae . . . . 749 S. Z. Wang and R. Adler Chromokinesin: a DNA-binding, kinesin-like nuclear protein . . . . . . 761 D. A. Shaywitz and L. Orci and M. Ravazzola and A. Swaroop and C. A. Kaiser Human SEC13Rp functions in yeast and is located on transport vesicles budding from the endoplasmic reticulum . . . . . 769 T. A. Vida and S. D. Emr A new vital stain for visualizing vacuolar membrane dynamics and endocytosis in yeast . . . . . . . . . . 779 K. Hanada and R. E. Pagano A Chinese hamster ovary cell mutant defective in the non-endocytic uptake of fluorescent analogs of phosphatidylserine: isolation using a cytosol acidification protocol . . . . . 793 A. Shartava and C. A. Monteiro and F. A. Bencsath and K. Schneider and B. T. Chait and R. Gussio and L. A. Casoria-Scott and A. K. Shah and C. A. Heuerman and S. R. Goodman A posttranslational modification of beta-actin contributes to the slow dissociation of the spectrin-protein 4.1-actin complex of irreversibly sickled cells . . . . . . . . . . . . . 805 D. Cox and J. A. Ridsdale and J. Condeelis and J. Hartwig Genetic deletion of ABP-120 alters the three-dimensional organization of actin filaments in \bionameDictyostelium pseudopods . . . . . . . . . . . . . . . 819 C. B. Shuster and I. M. Herman Indirect association of ezrin with F-actin: isoform specificity and calcium sensitivity . . . . . . . . . . . . . . 837 K. Ookata and S. Hisanaga and J. C. Bulinski and H. Murofushi and H. Aizawa and T. J. Itoh and H. Hotani and E. Okumura and K. Tachibana and T. Kishimoto Cyclin B interaction with microtubule-associated protein 4 (MAP4) targets p34cdc2 kinase to microtubules and is a potential regulator of M-phase microtubule dynamics . . . . . . . . . . 849 A. Spang and I. Courtney and K. Grein and M. Matzner and E. Schiebel The Cdc31p-binding protein Kar1p is a component of the half bridge of the yeast spindle pole body . . . . . . . . 863 V. Allan Protein phosphatase 1 regulates the cytoplasmic dynein-driven formation of endoplasmic reticulum networks in vitro 879 G. Giannini and A. Conti and S. Mammarella and M. Scrobogna and V. Sorrentino The ryanodine receptor/calcium channel genes are widely and differentially expressed in murine brain and peripheral tissues . . . . . . . . . . . . . . . . 893 P. E. Ceccaldi and F. Grohovaz and F. Benfenati and E. Chieregatti and P. Greengard and F. Valtorta Dephosphorylated synapsin I anchors synaptic vesicles to actin cytoskeleton: an analysis by videomicroscopy . . . . . 905 E. Posse de Chaves and D. E. Vance and R. B. Campenot and J. E. Vance Axonal synthesis of phosphatidylcholine is required for normal axonal growth in rat sympathetic neurons . . . . . . . . 913 B. Allinquant and P. Hantraye and P. Mailleux and K. Moya and C. Bouillot and A. Prochiantz Downregulation of amyloid precursor protein inhibits neurite outgrowth in vitro . . . . . . . . . . . . . . . . . 919 S. Higashiyama and R. Iwamoto and K. Goishi and G. Raab and N. Taniguchi and M. Klagsbrun and E. Mekada The membrane protein CD9/DRAP 27 potentiates the juxtacrine growth factor activity of the membrane-anchored heparin-binding EGF-like growth factor 929 J. Y. Roh and J. R. Stanley Intracellular domain of desmoglein 3 (pemphigus vulgaris antigen) confers adhesive function on the extracellular domain of E-cadherin without binding catenins . . . . . . . . . . . . . . . . 939 S. Shibamoto and M. Hayakawa and K. Takeuchi and T. Hori and K. Miyazawa and N. Kitamura and K. R. Johnson and M. J. Wheelock and N. Matsuyoshi and M. Takeichi Association of p120, a tyrosine kinase substrate, with E-cadherin/catenin complexes . . . . . . . . . . . . . . . 949 N. Funayama and F. Fagotto and P. McCrea and B. M. Gumbiner Embryonic axis induction by the armadillo repeat domain of beta-catenin: evidence for intracellular signaling . . 959 S. Pfau and D. Leitenberg and H. Rinder and B. R. Smith and R. Pardi and J. R. Bender Lymphocyte adhesion-dependent calcium signaling in human endothelial cells . . 969 R. Fässler and M. Pfaff and J. Murphy and A. A. Noegel and S. Johansson and R. Timpl and R. Albrecht Lack of beta 1 integrin gene in embryonic stem cells affects morphology, adhesion, and migration but not integration into the inner cell mass of blastocysts . . . . . . . . . . . . . . 979
K. L. Taneja and M. McCurrach and M. Schalling and D. Housman and R. H. Singer Foci of trinucleotide repeat transcripts in nuclei of myotonic dystrophy cells and tissues . . . . . . . . . . . . . . 995 P. J. Peters and V. W. Hsu and C. E. Ooi and D. Finazzi and S. B. Teal and V. Oorschot and J. G. Donaldson and R. D. Klausner Overexpression of wild-type and mutant ARF1 and ARF6: distinct perturbations of nonoverlapping membrane compartments . . 1003 K. Sadoul and J. Lang and C. Montecucco and U. Weller and R. Regazzi and S. Catsicas and C. B. Wollheim and P. A. Halban SNAP-25 is expressed in islets of Langerhans and is involved in insulin release . . . . . . . . . . . . . . . . 1019 B. F. Roettger and R. U. Rentsch and D. Pinon and E. Holicky and E. Hadac and J. M. Larkin and L. J. Miller Dual pathways of internalization of the cholecystokinin receptor . . . . . . . . 1029 K. Fiedler and F. Lafont and R. G. Parton and K. Simons Annexin XIIIb: a novel epithelial specific annexin is implicated in vesicular traffic to the apical plasma membrane . . . . . . . . . . . . . . . . 1043 B. Govindan and R. Bowser and P. Novick The role of Myo2, a yeast class V myosin, in vesicular transport . . . . . 1055 R. J. Hu and S. Moorthy and V. Bennett Expression of functional domains of beta G-spectrin disrupts epithelial morphology in cultured cells . . . . . . 1069 M. Martin and C. Andréoli and A. Sahuquet and P. Montcourrier and M. Algrain and P. Mangeat Ezrin NH2-terminal domain inhibits the cell extension activity of the COOH-terminal domain . . . . . . . . . . 1081 J. Z. Chuang and D. C. Lin and S. Lin Molecular cloning, expression, and mapping of the high affinity actin-capping domain of chicken cardiac tensin . . . . . . . . . . . . . . . . . 1095 C. Rosette and M. Karin Cytoskeletal control of gene expression: depolymerization of microtubules activates NF-kappa B . . . . . . . . . . 1111 B. G. Wallace Regulation of the interaction of nicotinic acetylcholine receptors with the cytoskeleton by agrin-activated protein tyrosine kinase . . . . . . . . 1121 E. Sontag and V. Nunbhakdi-Craig and G. S. Bloom and M. C. Mumby A novel pool of protein phosphatase 2A is associated with microtubules and is regulated during the cell cycle . . . . 1131 J. E. Turner and C. G. Minkoff and K. H. Martin and R. Misra and K. I. Swenson Oocyte activation and passage through the metaphase/anaphase transition of the meiotic cell cycle is blocked in clams by inhibitors of HMG--CoA reductase activity . . . . . . . . . . . . . . . . 1145 D. R. Robinson and T. Sherwin and A. Ploubidou and E. H. Byard and K. Gull Microtubule polarity and dynamics in the control of organelle positioning, segregation, and cytokinesis in the trypanosome cell cycle . . . . . . . . . 1163 T. Yang and K. M. Kozopas and R. W. Craig The intracellular distribution and pattern of expression of Mcl-1 overlap with, but are not identical to, those of Bcl-2 . . . . . . . . . . . . . . . . . 1173 G. R. Merlo and F. Basolo and L. Fiore and L. Duboc and N. E. Hynes p53-dependent and p53-independent activation of apoptosis in mammary epithelial cells reveals a survival function of EGF and insulin . . . . . . 1185 I. Västrik and A. Kaipainen and T. L. Penttilä and A. Lymboussakis and R. Alitalo and M. Parvinen and K. Alitalo Expression of the mad gene during cell differentiation in vivo and its inhibition of cell growth in vitro . . . 1197 N. A. Hotchin and A. Gandarillas and F. M. Watt Regulation of cell surface beta 1 integrin levels during keratinocyte terminal differentiation . . . . . . . . 1209 A. Hanneken and P. A. Maher and A. Baird High affinity immunoreactive FGF receptors in the extracellular matrix of vascular endothelial cells--implications for the modulation of FGF-2 . . . . . . 1221 J. Fawcett and C. Buckley and C. L. Holness and I. N. Bird and J. H. Spragg and J. Saunders and A. Harris and D. L. Simmons Mapping the homotypic binding sites in CD31 and the role of CD31 adhesion in the formation of interendothelial cell contacts . . . . . . . . . . . . . . . . 1229 R. Alon and P. D. Kassner and M. W. Carr and E. B. Finger and M. E. Hemler and T. A. Springer The integrin VLA-4 supports tethering and rolling in flow on VCAM-1 . . . . . 1243
H. Yan and J. Newport An analysis of the regulation of DNA synthesis by cdk2, Cip1, and licensing factor . . . . . . . . . . . . . . . . . 1 I. Firmbach-Kraft and R. Stick Analysis of nuclear lamin isoprenylation in \bionameXenopus oocytes: isoprenylation of lamin B3 precedes its uptake into the nucleus . . . . . . . . 17 S. Gratzer and T. Lithgow and R. E. Bauer and E. Lamping and F. Paltauf and S. D. Kohlwein and V. Haucke and T. Junne and G. Schatz and M. Horst Mas37p, a novel receptor subunit for protein import into mitochondria . . . . 25 S. F. Nothwehr and E. Conibear and T. H. Stevens Golgi and vacuolar membrane proteins reach the vacuole in vps1 mutant yeast cells via the plasma membrane . . . . . 35 C. Lamaze and S. L. Schmid Recruitment of epidermal growth factor receptors into coated pits requires their activated tyrosine kinase . . . . 47 A. Hémar and A. Subtil and M. Lieb and E. Morelon and R. Hellio and A. Dautry-Varsat Endocytosis of interleukin 2 receptors in human T lymphocytes: distinct intracellular localization and fate of the receptor alpha, beta, and gamma chains . . . . . . . . . . . . . . . . . 55 J. W. Zhang and P. B. Lazarow PEB1 (PAS7) in \bionameSaccharomyces cerevisiae encodes a hydrophilic, intra-peroxisomal protein that is a member of the WD repeat family and is essential for the import of thiolase into peroxisomes . . . . . . . . . . . . 65 F. Garcia-del Portillo and B. B. Finlay Targeting of Salmonella typhimurium to vesicles containing lysosomal membrane glycoproteins bypasses compartments with mannose $6$-phosphate receptors . . . . 81 K. Lollike and N. Borregaard and M. Lindau The exocytotic fusion pore of small granules has a conductance similar to an ion channel . . . . . . . . . . . . . . 99 E. P. Garcia and P. S. McPherson and T. J. Chilcote and K. Takei and P. De Camilli rbSec1A and B colocalize with syntaxin 1 and SNAP-25 throughout the axon, but are not in a stable complex with syntaxin 105 A. Taraboulos and M. Scott and A. Semenov and D. Avrahami and L. Laszlo and S. B. Prusiner and D. Avraham Cholesterol depletion and modification of COOH-terminal targeting sequence of the prion protein inhibit formation of the scrapie isoform . . . . . . . . . . 121 H. S. Kruth and S. I. Skarlatos and K. Lilly and J. Chang and I. Ifrim Sequestration of acetylated LDL and cholesterol crystals by human monocyte-derived macrophages . . . . . . 133 H. Q. Sun and K. Kwiatkowska and D. C. Wooten and H. L. Yin Effects of CapG overexpression on agonist-induced motility and second messenger generation . . . . . . . . . . 147 Y. Noda and R. Sato-Yoshitake and S. Kondo and M. Nangaku and N. Hirokawa KIF2 is a new microtubule-based anterograde motor that transports membranous organelles distinct from those carried by kinesin heavy chain or KIF3A/B . . . . . . . . . . . . . . . . 157 C. G. Wilkerson and S. M. King and A. Koutoulis and G. J. Pazour and G. B. Witman The 78,000 M(r) intermediate chain of Chlamydomonas outer arm dynein isa WD-repeat protein required for arm assembly . . . . . . . . . . . . . . . . 169 M. Kreitmeier and G. Gerisch and C. Heizer and A. Müller-Taubenberger A talin homologue of \bionameDictyostelium rapidly assembles at the leading edge of cells in response to chemoattractant . . . . . . . . . . . 179 A. M. Fannon and D. L. Sherman and G. Ilyina-Gragerova and P. J. Brophy and V. L. Friedrich and D. R. Colman Novel E-cadherin-mediated adhesion in peripheral nerve: Schwann cell architecture is stabilized by autotypic adherens junctions . . . . . . . . . . . 189 M. G. Lampugnani and M. Corada and L. Caveda and F. Breviario and O. Ayalon and B. Geiger and E. Dejana The molecular organization of endothelial cell to cell junctions: differential association of plakoglobin, beta-catenin, and alpha-catenin with vascular endothelial cadherin (VE-cadherin) . . . . . . . . . . . . . 203 T. J. Chilcote and T. Galli and O. Mundigl and L. Edelmann and P. S. McPherson and K. Takei and P. De Camilli Cellubrevin and synaptobrevins: similar subcellular localization and biochemical properties in PC12 cells . . . . . . . . 219 A. Bikfalvi and S. Klein and G. Pintucci and N. Quarto and P. Mignatti and D. B. Rifkin Differential modulation of cell phenotype by different molecular weight forms of basic fibroblast growth factor: possible intracellular signaling by the high molecular weight forms . . . . . . 233 H. A. Franch and J. W. Shay and R. J. Alpern and P. A. Preisig Involvement of pRB family in TGF beta-dependent epithelial cell hypertrophy . . . . . . . . . . . . . . 245 J. Wesseling and S. W. van der Valk and H. L. Vos and A. Sonnenberg and J. Hilkens Episialin (MUC1) overexpression inhibits integrin-mediated cell adhesion to extracellular matrix components . . . . 255 T. A. Mitsiadis and T. Muramatsu and H. Muramatsu and I. Thesleff Midkine (MK), a heparin-binding growth/differentiation factor, is regulated by retinoic acid and epithelial-mesenchymal interactions in the developing mouse tooth, and affects cell proliferation and morphogenesis . . 267
D. B. Bregman and L. Du and S. van der Zee and S. L. Warren Transcription-dependent redistribution of the large subunit of RNA polymerase II to discrete nuclear domains . . . . . 287 S. Reinbothe and C. Reinbothe and S. Runge and K. Apel Enzymatic product formation impairs both the chloroplast receptor-binding function as well as translocation competence of the NADPH: protochlorophyllide oxidoreductase, a nuclear-encoded plastid precursor protein . . . . . . . . . . . . . . . . 299 G. Miesenböck and J. E. Rothman The capacity to retrieve escaped ER proteins extends to the trans-most cisterna of the Golgi stack . . . . . . 309 J. H. Stack and D. B. DeWald and K. Takegawa and S. D. Emr Vesicle-mediated protein transport: regulatory interactions between the Vps15 protein kinase and the Vps34 PtdIns $3$-kinase essential for protein sorting to the vacuole in yeast . . . . 321 A. Stahl and B. M. Mueller The urokinase-type plasminogen activator receptor, a GPI-linked protein, is localized in caveolae . . . . . . . . . 335 P. A. Marshall and Y. I. Krimkevich and R. H. Lark and J. M. Dyer and M. Veenhuis and J. M. Goodman Pmp27 promotes peroxisomal proliferation 345 W. J. LaRochelle and O. R. Dirsch and P. W. Finch and H. G. Cheon and M. May and C. Marchese and J. H. Pierce and S. A. Aaronson Specific receptor detection by a functional keratinocyte growth factor-immunoglobulin chimera . . . . . 357 T. Adam and M. Arpin and M. C. Prévost and P. Gounon and P. J. Sansonetti Cytoskeletal rearrangements and the functional role of T-plastin during entry of Shigella flexneri into HeLa cells . . . . . . . . . . . . . . . . . 367 R. Kelly and S. Alonso and S. Tajbakhsh and G. Cossu and M. Buckingham Myosin light chain 3F regulatory sequences confer regionalized cardiac and skeletal muscle expression in transgenic mice . . . . . . . . . . . . 383 P. Turowski and A. Fernandez and B. Favre and N. J. Lamb and B. A. Hemmings Differential methylation and altered conformation of cytoplasmic and nuclear forms of protein phosphatase 2A during cell cycle progression . . . . . . . . . 397 T. Nakagawa and J. Chen and Z. Zhang and Y. Kanai and N. Hirokawa Two distinct functions of the carboxyl-terminal tail domain of NF--M upon neurofilament assembly: cross-bridge formation and longitudinal elongation of filaments . . . . . . . . 411 T. Yamazaki and D. J. Selkoe and E. H. Koo Trafficking of cell surface beta-amyloid precursor protein: retrograde and transcytotic transport in cultured neurons . . . . . . . . . . . . . . . . 431 S. Einheber and M. J. Hannocks and C. N. Metz and D. B. Rifkin and J. L. Salzer Transforming growth factor-beta 1 regulates axon/Schwann cell interactions 443 N. Benlimame and D. Simard and I. R. Nabi Autocrine motility factor receptor is a marker for a distinct membranous tubular organelle . . . . . . . . . . . . . . . 459 L. Spinardi and S. Einheber and T. Cullen and T. A. Milner and F. G. Giancotti A recombinant tail-less integrin beta 4 subunit disrupts hemidesmosomes, but does not suppress alpha 6 beta $4$-mediated cell adhesion to laminins 473 M. L. Hermiston and J. I. Gordon In vivo analysis of cadherin function in the mouse intestinal epithelium: essential roles in adhesion, maintenance of differentiation, and regulation of programmed cell death . . . . . . . . . 489 J. A. Marrs and C. Andersson-Fisone and M. C. Jeong and L. Cohen-Gould and C. Zurzolo and I. R. Nabi and E. Rodriguez-Boulan and W. J. Nelson Plasticity in epithelial cell phenotype: modulation by expression of different cadherin cell adhesion molecules . . . . 507 Y. Kadoya and K. Kadoya and M. Durbeej and K. Holmvall and L. Sorokin and P. Ekblom Antibodies against domain E3 of laminin-1 and integrin alpha 6 subunit perturb branching epithelial morphogenesis of submandibular gland, but by different modes . . . . . . . . . 521 R. Killick and P. K. Legan and C. Malenczak and G. P. Richardson Molecular cloning of chick beta-tectorin, an extracellular matrix molecule of the inner ear . . . . . . . 535
H. Siomi and G. Dreyfuss A nuclear localization domain in the hnRNP A1 protein . . . . . . . . . . . . 551 D. Weisenberger and U. Scheer A possible mechanism for the inhibition of ribosomal RNA gene transcription during mitosis . . . . . . . . . . . . . 561 U. Acharya and J. M. McCaffery and R. Jacobs and V. Malhotra Reconstitution of vesiculated Golgi membranes into stacks of cisternae: requirement of NSF in stack formation 577 C. H. Streuli and C. Schmidhauser and N. Bailey and P. Yurchenco and A. P. Skubitz and C. Roskelley and M. J. Bissell Laminin mediates tissue-specific gene expression in mammary epithelia . . . . 591 C. Rabouille and T. Misteli and R. Watson and G. Warren Reassembly of Golgi stacks from mitotic Golgi fragments in a cell-free system 605 A. Gorodinsky and D. A. Harris Glycolipid-anchored proteins in neuroblastoma cells form detergent-resistant complexes without caveolin . . . . . . . . . . . . . . . . 619 D. Hamburger and M. Egerton and H. Riezman Yeast Gaa1p is required for attachment of a completed GPI anchor onto proteins 629 P. M. Haney and M. A. Levy and M. S. Strube and M. Mueckler Insulin-sensitive targeting of the GLUT4 glucose transporter in L6 myoblasts is conferred by its COOH-terminal cytoplasmic tail . . . . . . . . . . . . 641 X. H. Sun and F. Protasi and M. Takahashi and H. Takeshima and D. G. Ferguson and C. Franzini-Armstrong Molecular architecture of membranes involved in excitation-contraction coupling of cardiac muscle . . . . . . . 659 S. L. Carl and K. Felix and A. H. Caswell and N. R. Brandt and W. J. Ball and P. L. Vaghy and G. Meissner and D. G. Ferguson Immunolocalization of sarcolemmal dihydropyridine receptor and sarcoplasmic reticular triadin and ryanodine receptor in rabbit ventricle and atrium . . . . . . . . . . . . . . . 673 C. C. Gregorio and V. M. Fowler Mechanisms of thin filament assembly in embryonic chick cardiac myocytes: tropomodulin requires tropomyosin for assembly . . . . . . . . . . . . . . . . 683 K. S. Warren and J. L. Lin and J. P. McDermott and J. J. Lin Forced expression of chimeric human fibroblast tropomyosin mutants affects cytokinesis . . . . . . . . . . . . . . 697 B. C. Williams and M. F. Riedy and E. V. Williams and M. Gatti and M. L. Goldberg The \bionameDrosophila kinesin-like protein KLP3A is a midbody component required for central spindle assembly and initiation of cytokinesis . . . . . 709 I. A. Dawson and S. Roth and S. Artavanis-Tsakonas The \bionameDrosophila cell cycle gene fizzy is required for normal degradation of cyclins A and B during mitosis and has homology to the CDC20 gene of \bionameSaccharomyces cerevisiae . . . . 725 D. J. Lew and S. I. Reed A cell cycle checkpoint monitors cell morphogenesis in budding yeast . . . . . 739 J. Chant and J. R. Pringle Patterns of bud-site selection in the yeast \bionameSaccharomyces cerevisiae 751 J. Chant and M. Mischke and E. Mitchell and I. Herskowitz and J. R. Pringle Role of Bud3p in producing the axial budding pattern of yeast . . . . . . . . 767 R. S. Slack and I. S. Skerjanc and B. Lach and J. Craig and K. Jardine and M. W. McBurney Cells differentiating into neuroectoderm undergo apoptosis in the absence of functional retinoblastoma family proteins . . . . . . . . . . . . . . . . 779 L. Cheng and M. Khan and A. W. Mudge Calcitonin gene-related peptide promotes Schwann cell proliferation . . . . . . . 789 P. Lorenzon and D. Zacchetti and F. Codazzi and G. Fumagalli and J. Meldolesi and F. Grohovaz Ca$^{2+}$ waves in PC12 neurites: a bidirectional, receptor-oriented form of Ca$^{2+}$ signaling . . . . . . . . . . 797 C. Elfgang and R. Eckert and H. Lichtenberg-Fraté and A. Butterweck and O. Traub and R. A. Klein and D. F. Hülser and K. Willecke Specific permeability and selective formation of gap junction channels in connexin-transfected HeLa cells . . . . 805 H. E. Stöffler and C. Ruppert and J. Reinhard and M. Bähler A novel mammalian myosin I from rat with an SH3 domain localizes to Con A-inducible, F-actin-rich structures at cell--cell contacts . . . . . . . . . . 819 C. Guinebault and B. Payrastre and C. Racaud-Sultan and H. Mazarguil and M. Breton and G. Mauco and M. Plantavid and H. Chap Integrin-dependent translocation of phosphoinositide $3$-kinase to the cytoskeleton of thrombin-activated platelets involves specific interactions of p85 alpha with actin filaments and focal adhesion kinase . . . . . . . . . 831 J. Zheng and O. Saksela and S. Matikainen and A. Vaheri Keratinocyte growth factor is a bifunctional regulator of HPV16 DNA-immortalized cervical epithelial cells . . . . . . . . . . . . . . . . . 843 G. Zambruno and P. C. Marchisio and A. Marconi and C. Vaschieri and A. Melchiori and A. Giannetti and M. De Luca Transforming growth factor-beta 1 modulates beta 1 and beta 5 integrin receptors and induces the de novo expression of the alpha v beta 6 heterodimer in normal human keratinocytes: implications for wound healing . . . . . . . . . . . . . . . . 853 P. Huhtala and M. J. Humphries and J. B. McCarthy and P. M. Tremble and Z. Werb and C. H. Damsky Cooperative signaling by alpha 5 beta 1 and alpha 4 beta 1 integrins regulates metalloproteinase gene expression in fibroblasts adhering to fibronectin . . 867 D. Aeschlimann and O. Kaupp and M. Paulsson Transglutaminase-catalyzed matrix cross-linking in differentiating cartilage: identification of osteonectin as a major glutaminyl substrate . . . . 881
T. Mustonen and K. Alitalo Endothelial receptor tyrosine kinases involved in angiogenesis . . . . . . . . 895 K. M. Neugebauer and J. A. Stolk and M. B. Roth A conserved epitope on a subset of SR proteins defines a larger family of Pre-mRNA splicing factors . . . . . . . 899 M. Cockell and F. Palladino and T. Laroche and G. Kyrion and C. Liu and A. J. Lustig and S. M. Gasser The carboxy termini of Sir4 and Rap1 affect Sir3 localization: evidence for a multicomponent complex required for yeast telomeric silencing . . . . . . . 909 B. M. Paschal and L. Gerace Identification of NTF2, a cytosolic factor for nuclear import that interacts with nuclear pore complex protein p62 925 L. C. Gorsch and T. C. Dockendorff and C. N. Cole A conditional allele of the novel repeat-containing yeast nucleoporin RAT7/NUP159 causes both rapid cessation of mRNA export and reversible clustering of nuclear pore complexes . . . . . . . 939 C. V. Nicchitta and E. C. Murphy and R. Haynes and G. S. Shelness Stage- and ribosome-specific alterations in nascent chain--Sec61p interactions accompany translocation across the ER membrane . . . . . . . . . . . . . . . . 957 F. Letourneur and S. Hennecke and C. Démolli\`ere and P. Cosson Steric masking of a dilysine endoplasmic reticulum retention motif during assembly of the human high affinity receptor for immunoglobulin E . . . . . 971 G. Schlenstedt and S. Harris and B. Risse and R. Lill and P. A. Silver A yeast DnaJ homologue, Scj1p, can function in the endoplasmic reticulum with BiP/Kar2p via a conserved domain that specifies interactions with Hsp70s 979 E. P. Berthiaume and C. Medina and J. A. Swanson Molecular size-fractionation during endocytosis in macrophages . . . . . . . 989 K. V. Kandror and J. M. Stephens and P. F. Pilch Expression and compartmentalization of caveolin in adipose cells: coordinate regulation with and structural segregation from GLUT4 . . . . . . . . . 999 M. D. Henry and C. Gonzalez Agosti and F. Solomon Molecular dissection of radixin: distinct and interdependent functions of the amino- and carboxy-terminal domains 1007 J. M. Schumacher and K. Lee and S. Edelhoff and R. E. Braun Spnr, a murine RNA-binding protein that is localized to cytoplasmic microtubules 1023 I. Hagan and M. Yanagida The product of the spindle formation gene sad1+ associates with the fission yeast spindle pole body and is essential for viability . . . . . . . . . . . . . 1033 R. Kuriyama and M. Kofron and R. Essner and T. Kato and S. Dragas-Granoic and C. K. Omoto and A. Khodjakov Characterization of a minus end-directed kinesin-like motor protein from cultured mammalian cells . . . . . . . . . . . . 1049 K. Goto and C. H. Johnson Is the cell division cycle gated by a circadian clock? The case of Chlamydomonas reinhardtii . . . . . . . 1061 B. Goldstein Cell contacts orient some cell division axes in the \bionameCaenorhabditis elegans embryo . . . . . . . . . . . . . 1071 A. J. Otsuka and R. Franco and B. Yang and K. H. Shim and L. Z. Tang and Y. Y. Zhang and P. Boontrakulpoontawee and A. Jeyaprakash and E. Hedgecock and V. I. Wheaton An ankyrin-related gene (unc-44) is necessary for proper axonal guidance in \bionameCaenorhabditis elegans . . . . . 1081 M. W. Cohen and C. Jacobson and E. W. Godfrey and K. P. Campbell and S. Carbonetto Distribution of alpha-dystroglycan during embryonic nerve-muscle synaptogenesis . . . . . . . . . . . . . 1093 H. G. Wang and J. A. Millan and A. D. Cox and C. J. Der and U. R. Rapp and T. Beck and H. Zha and J. C. Reed R-Ras promotes apoptosis caused by growth factor deprivation via a Bcl-2 suppressible mechanism . . . . . . . . . 1103 C. Q. Lin and P. J. Dempsey and R. J. Coffey and M. J. Bissell Extracellular matrix regulates whey acidic protein gene expression by suppression of TGF-alpha in mouse mammary epithelial cells: studies in culture and in transgenic mice . . . . . 1115 S. N. Gettner and C. Kenyon and L. F. Reichardt Characterization of beta pat-3 heterodimers, a family of essential integrin receptors in \bionameC. elegans 1127 R. Li and J. Xie and C. Kantor and V. Koistinen and D. C. Altieri and P. Nortamo and C. G. Gahmberg A peptide derived from the intercellular adhesion molecule-2 regulates the avidity of the leukocyte integrins CD11b/CD18 and CD11c/CD18 . . . . . . . 1143 F. M. Pavalko and D. M. Walker and L. Graham and M. Goheen and C. M. Doerschuk and G. S. Kansas The cytoplasmic domain of L-selectin interacts with cytoskeletal proteins via alpha-actinin: receptor positioning in microvilli does not require interaction with alpha-actinin . . . . . . . . . . . 1155 H. Zhang and W. Hu and F. Ramirez Developmental expression of fibrillin genes suggests heterogeneity of extracellular microfibrils . . . . . . . 1165
R. Zarnegar and G. K. Michalopoulos The many faces of hepatocyte growth factor: from hepatopoiesis to hematopoiesis . . . . . . . . . . . . . 1177 A. G. Matera and M. R. Frey and K. Margelot and S. L. Wolin A perinucleolar compartment contains several RNA polymerase III transcripts as well as the polypyrimidine tract-binding protein, hnRNP I . . . . . 1181 M. S. Campbell and G. J. Gorbsky Microinjection of mitotic cells with the 3F3/2 anti-phosphoepitope antibody delays the onset of anaphase . . . . . . 1195 H. Mehlin and B. Daneholt and U. Skoglund Structural interaction between the nuclear pore complex and a specific translocating RNP particle . . . . . . . 1205 L. S. Arneson and J. Miller Efficient endosomal localization of major histocompatibility complex class II-invariant chain complexes requires multimerization of the invariant chain targeting sequence . . . . . . . . . . . 1217 D. M. Ward and C. M. Perou and M. Lloyd and J. Kaplan ''Synchronized'' endocytosis and intracellular sorting in alveolar macrophages: the early sorting endosome is a transient organelle . . . . . . . . 1229 H. Y. Naim and D. T. Dodds and C. B. Brewer and M. G. Roth Apical and basolateral coated pits of MDCK cells differ in their rates of maturation into coated vesicles, but not in the ability to distinguish between mutant hemagglutinin proteins with different internalization signals . . . 1241 I. S. Yuen and R. Jain and J. D. Bishop and D. F. Lindsey and W. J. Deery and P. J. Van Haastert and R. H. Gomer A density-sensing factor regulates signal transduction in \bionameDictyostelium . . . . . . . . . 1251 A. Rodríguez and M. G. Rioult and A. Ora and N. W. Andrews A trypanosome-soluble factor induces IP3 formation, intracellular Ca$^{2+}$ mobilization and microfilament rearrangement in host cells . . . . . . 1263 J. V. Small and M. Herzog and K. Anderson Actin filament organization in the fish keratocyte lamellipodium . . . . . . . . 1275 D. Zhang and R. B. Nicklas The impact of chromosomes and centrosomes on spindle assembly as observed in living cells . . . . . . . . 1287 J. Gaertig and M. A. Cruz and J. Bowen and L. Gu and D. G. Pennock and M. A. Gorovsky Acetylation of lysine 40 in alpha-tubulin is not essential in \bionameTetrahymena thermophila . . . . 1301 D. Chrétien and S. D. Fuller and E. Karsenti Structure of growing microtubule ends: two-dimensional sheets close into tubes at variable rates . . . . . . . . . . . 1311 C. Lloyd and Q. C. Yu and J. Cheng and K. Turksen and L. Degenstein and E. Hutton and E. Fuchs The basal keratin network of stratified squamous epithelia: defining K15 function in the absence of K14 . . . . . 1329 Y. Xiao and U. Grieshammer and N. Rosenthal Regulation of a muscle-specific transgene by retinoic acid . . . . . . . 1345 K. K. Briggs and A. J. Silvers and K. M. Johansen and J. Johansen Calsensin: a novel calcium-binding protein expressed in a subset of peripheral leech neurons fasciculating in a single axon tract . . . . . . . . . 1355 P. J. Lu and Q. L. Lu and A. Rughetti and J. Taylor-Papadimitriou bcl-2 overexpression inhibits cell death and promotes the morphogenesis, but not tumorigenesis of human mammary epithelial cells . . . . . . . . . . . . 1363 C. Murphy-Erdosh and C. K. Yoshida and N. Paradies and L. F. Reichardt The cadherin-binding specificities of B-cadherin and LCAM . . . . . . . . . . 1379 J. Balsamo and H. Ernst and M. K. Zanin and S. Hoffman and J. Lilien The interaction of the retina cell surface N-acetylgalactosaminylphosphotransferase with an endogenous proteoglycan ligand results in inhibition of cadherin-mediated adhesion . . . . . . . 1391 S. Godyna and G. Liau and I. Popa and S. Stefansson and W. S. Argraves Identification of the low density lipoprotein receptor-related protein (LRP) as an endocytic receptor for thrombospondin-1 . . . . . . . . . . . . 1403 T. Takebayashi and M. Iwamoto and A. Jikko and T. Matsumura and M. Enomoto-Iwamoto and F. Myoukai and E. Koyama and T. Yamaai and K. Matsumoto and T. Nakamura Hepatocyte growth factor/scatter factor modulates cell motility, proliferation, and proteoglycan synthesis of chondrocytes . . . . . . . . . . . . . . 1411 J. Rossert and H. Eberspaecher and B. de Crombrugghe Separate cis-acting DNA elements of the mouse pro-alpha 1(I) collagen promoter direct expression of reporter genes to different type I collagen-producing cells in transgenic mice . . . . . . . . 1421
I. T. Todorov and A. Attaran and S. E. Kearsey BM28, a human member of the MCM2-3-5 family, is displaced from chromatin during DNA replication . . . . . . . . . 1433 G. Sluder and E. A. Thompson and C. L. Rieder and F. J. Miller Nuclear envelope breakdown is under nuclear not cytoplasmic control in sea urchin zygotes . . . . . . . . . . . . . 1447 E. Meier and B. R. Miller and D. J. Forbes Nuclear pore complex assembly studied with a biochemical assay for annulate lamellae formation . . . . . . . . . . . 1459 I. Török and D. Strand and R. Schmitt and G. Tick and T. Török and I. Kiss and B. M. Mechler The overgrown hematopoietic organs-31 tumor suppressor gene of \bionameDrosophila encodes an Importin-like protein accumulating in the nucleus at the onset of mitosis . . 1473 P. Küssel and M. Frasch Pendulin, a \bionameDrosophila protein with cell cycle-dependent nuclear localization, is required for normal cell proliferation . . . . . . . . . . . 1491 E. W. Marsh and P. L. Leopold and N. L. Jones and F. R. Maxfield Oligomerized transferrin receptors are selectively retained by a lumenal sorting signal in a long-lived endocytic recycling compartment . . . . . . . . . 1509 C. C. Mastick and M. J. Brady and A. R. Saltiel Insulin stimulates the tyrosine phosphorylation of caveolin . . . . . . 1523 D. J. FitzGerald and C. M. Fryling and A. Zdanovsky and C. B. Saelinger and M. Kounnas and J. A. Winkles and D. Strickland and S. Leppla Pseudomonas exotoxin-mediated selection yields cells with altered expression of low-density lipoprotein receptor-related protein . . . . . . . . . . . . . . . . 1533 T. W. Gadella and T. M. Jovin Oligomerization of epidermal growth factor receptors on A431 cells studied by time-resolved fluorescence imaging microscopy. A stereochemical model for tyrosine kinase receptor activation . . 1543 Y. Sako and A. Kusumi Barriers for lateral diffusion of transferrin receptor in the plasma membrane as characterized by receptor dragging by laser tweezers: fence versus tether . . . . . . . . . . . . . . . . . 1559 V. Mermall and K. G. Miller The 95F unconventional myosin is required for proper organization of the \bionameDrosophila syncytial blastoderm 1575 C. C. Cunningham Actin polymerization and intracellular solvent flow in cell surface blebbing 1589 M. Winey and C. L. Mamay and E. T. O'Toole and D. N. Mastronarde and T. H. Giddings and K. L. McDonald and J. R. McIntosh Three-dimensional ultrastructural analysis of the \bionameSaccharomyces cerevisiae mitotic spindle . . . . . . . 1601 R. M. Golsteyn and K. E. Mundt and A. M. Fry and E. A. Nigg Cell cycle regulation of the activity and subcellular localization of Plk1, a human protein kinase implicated in mitotic spindle function . . . . . . . . 1617 P. H. Tu and G. Elder and R. A. Lazzarini and D. Nelson and J. Q. Trojanowski and V. M. Lee Overexpression of the human NFM subunit in transgenic mice modifies the level of endogenous NFL and the phosphorylation state of NFH subunits . . . . . . . . . 1629 X. Zhu and I. Lindberg 7B2 facilitates the maturation of proPC2 in neuroendocrine cells and is required for the expression of enzymatic activity 1641 Y. Geng and M. Lotz Increased intracellular Ca$^{2+}$ selectively suppresses IL-1-induced NO production by reducing iNOS mRNA stability . . . . . . . . . . . . . . . 1651 P. J. Lilly and P. N. Devreotes Chemoattractant and GTP gamma S-mediated stimulation of adenylyl cyclase in \bionameDictyostelium requires translocation of CRAC to membranes . . . 1659 L. Wu and R. Valkema and P. J. Van Haastert and P. N. Devreotes The G protein beta subunit is essential for multiple responses to chemoattractants in \bionameDictyostelium . . . . . . . . . 1667 R. H. Brakenhoff and M. Gerretsen and E. M. Knippels and M. van Dijk and H. van Essen and D. O. Weghuis and R. J. Sinke and G. B. Snow and G. A. van Dongen The human E48 antigen, highly homologous to the murine Ly-6 antigen ThB, is a GPI-anchored molecule apparently involved in keratinocyte cell--cell adhesion . . . . . . . . . . . . . . . . 1677 K. Nakamura and R. Iwamoto and E. Mekada Membrane-anchored heparin-binding EGF-like growth factor (HB--EGF) and diphtheria toxin receptor-associated protein (DRAP27)/CD9 form a complex with integrin alpha 3 beta 1 at cell--cell contact sites . . . . . . . . . . . . . 1691 P. Tremble and C. H. Damsky and Z. Werb Components of the nuclear signaling cascade that regulate collagenase gene expression in response to integrin-derived signals . . . . . . . . 1707
F. Korioth and C. Gieffers and G. G. Maul and J. Frey Molecular characterization of NDP52, a novel protein of the nuclear domain 10, which is redistributed upon virus infection and interferon treatment . . . 1 B. Soullam and H. J. Worman Signals and structural features involved in integral membrane protein targeting to the inner nuclear membrane . . . . . 15 E. E. Wanker and Y. Sun and A. J. Savitz and D. I. Meyer Functional characterization of the 180-kD ribosome receptor in vivo . . . . 29 J. F. Simons and S. Ferro-Novick and M. D. Rose and A. Helenius BiP\slash Kar2p serves as a molecular chaperone during carboxypeptidase Y folding in yeast . . . . . . . . . . . . 41 E. A. Wiemer and W. M. Nuttley and B. L. Bertolaet and X. Li and U. Francke and M. J. Wheelock and U. K. Anné and K. R. Johnson and S. Subramani Human peroxisomal targeting signal-1 receptor restores peroxisomal protein import in cells from patients with fatal peroxisomal disorders . . . . . . . . . 51 K. A. Knudsen and A. P. Soler and K. R. Johnson and M. J. Wheelock Interaction of alpha-actinin with the cadherin/catenin cell--cell adhesion complex via alpha-catenin . . . . . . . 67 M. Durbeej and E. Larsson and O. Ibraghimov-Beskrovnaya and S. L. Roberds and K. P. Campbell and P. Ekblom Non-muscle alpha-dystroglycan is involved in epithelial development . . . 79 D. J. Sharp and W. Yu and P. W. Baas Transport of dendritic microtubules establishes their nonuniform polarity orientation . . . . . . . . . . . . . . 93 R. Balczon and L. Bao and W. E. Zimmer and K. Brown and R. P. Zinkowski and B. R. Brinkley Dissociation of centrosome replication events from cycles of DNA synthesis and mitotic division in hydroxyurea-arrested Chinese hamster ovary cells . . . . . . 105 S. B. Hopkinson and S. E. Baker and J. C. Jones Molecular genetic studies of a human epidermal autoantigen (the 180-kD bullous pemphigoid antigen/BP180): identification of functionally important sequences within the BP180 molecule and evidence for an interaction between BP180 and alpha 6 integrin . . . . . . . 117 J. A. Loeb and G. D. Fischbach ARIA can be released from extracellular matrix through cleavage of a heparin-binding domain . . . . . . . . . 127 M. Trupp and M. Rydén and H. Jörnvall and H. Funakoshi and T. Timmusk and E. Arenas and C. F. Ibáñez Peripheral expression and biological activities of GDNF, a new neurotrophic factor for avian and mammalian peripheral neurons . . . . . . . . . . . 137 M. D. Ehlers and D. R. Kaplan and D. L. Price and V. E. Koliatsos NGF-stimulated retrograde transport of trkA in the mammalian nervous system . . 149 P. X. Petit and H. Lecoeur and E. Zorn and C. Dauguet and B. Mignotte and M. L. Gougeon Alterations in mitochondrial structure and function are early events of dexamethasone-induced thymocyte apoptosis . . . . . . . . . . . . . . . 157 W. C. Li and J. R. Kuszak and K. Dunn and R. R. Wang and W. Ma and G. M. Wang and A. Spector and M. Leib and A. M. Cotliar and M. Weiss Lens epithelial cell apoptosis appears to be a common cellular basis for non-congenital cataract development in humans and animals . . . . . . . . . . . 169 I. Screpanti and S. Scarpa and D. Meco and D. Bellavia and L. Stuppia and L. Frati and A. Modesti and A. Gulino Epidermal growth factor promotes a neural phenotype in thymic epithelial cells and enhances neuropoietic cytokine expression . . . . . . . . . . . . . . . 183 K. E. Bornfeldt and L. M. Graves and E. W. Raines and Y. Igarashi and G. Wayman and S. Yamamura and Y. Yatomi and J. S. Sidhu and E. G. Krebs and S. Hakomori Sphingosine-$1$-phosphate inhibits PDGF-induced chemotaxis of human arterial smooth muscle cells: spatial and temporal modulation of PDGF chemotactic signal transduction . . . . 193 D. G. Chalupowicz and Z. A. Chowdhury and T. L. Bach and C. Barsigian and J. Martinez Fibrin II induces endothelial cell capillary tube formation . . . . . . . . 207 H. Yamashita and P. ten Dijke and D. Huylebroeck and T. K. Sampath and M. Andries and J. C. Smith and C. H. Heldin and K. Miyazono Osteogenic protein-1 binds to activin type II receptors and induces certain activin-like effects . . . . . . . . . . 217 X. Liu and H. Wu and M. Byrne and J. Jeffrey and S. Krane and R. Jaenisch A targeted mutation at the known collagenase cleavage site in mouse type I collagen impairs tissue remodeling . . 227
G. Fang and T. R. Cech Telomerase RNA localized in the replication band and spherical subnuclear organelles in hypotrichous ciliates . . . . . . . . . . . . . . . . 243 T. Tagawa and T. Kuroki and P. K. Vogt and K. Chida The cell cycle-dependent nuclear import of v--Jun is regulated by phosphorylation of a serine adjacent to the nuclear localization signal . . . . 255 N. C. Chi and E. J. Adam and S. A. Adam Sequence and characterization of cytoplasmic nuclear protein import factor p97 . . . . . . . . . . . . . . . 265 C. J. Gallo and A. R. Hand and T. L. Jones and L. A. Jaffe Stimulation of \bionameXenopus oocyte maturation by inhibition of the G-protein alpha S subunit, a component of the plasma membrane and yolk platelet membranes . . . . . . . . . . . . . . . 275 J. M. Wahlberg and I. Geffen and F. Reymond and T. Simmen and M. Spiess trans-Golgi retention of a plasma membrane protein: mutations in the cytoplasmic domain of the asialoglycoprotein receptor subunit H1 result in trans-Golgi retention . . . . 285 D. R. TerBush and P. Novick Sec6, Sec8, and Sec15 are components of a multisubunit complex which localizes to small bud tips in \bionameSaccharomyces cerevisiae . . . . 299 L. L. Peters and K. M. John and F. M. Lu and E. M. Eicher and A. Higgins and M. Yialamas and L. C. Turtzo and A. J. Otsuka and S. E. Lux Ank3 (epithelial ankyrin), a widely distributed new member of the ankyrin gene family and the major ankyrin in kidney, is expressed in alternatively spliced forms, including forms that lack the repeat domain . . . . . . . . . . . 313 J. B. Marchand and P. Moreau and A. Paoletti and P. Cossart and M. F. Carlier and D. Pantaloni Actin-based movement of \bionameListeria monocytogenes: actin assembly results from the local maintenance of uncapped filament barbed ends at the bacterium surface . . . . . . . . . . . . . . . . 331 V. R. Simon and T. C. Swayne and L. A. Pon Actin-dependent mitochondrial motility in mitotic yeast and cell-free systems: identification of a motor activity on the mitochondrial surface . . . . . . . 345 J. H. Chang and S. Gill and J. Settleman and S. J. Parsons c-Src regulates the simultaneous rearrangement of actin cytoskeleton, p190RhoGAP, and p120RasGAP following epidermal growth factor stimulation . . 355 J. M. Staddon and C. Smales and C. Schulze and F. S. Esch and L. L. Rubin p120, a p120-related protein (p100), and the cadherin/catenin complex . . . . . . 369 M. Demetriou and I. R. Nabi and M. Coppolino and S. Dedhar and J. W. Dennis Reduced contact-inhibition and substratum adhesion in epithelial cells expressing GlcNAc-transferase V . . . . 383 F. Strutz and H. Okada and C. W. Lo and T. Danoff and R. L. Carone and J. E. Tomaszewski and E. G. Neilson Identification and characterization of a fibroblast marker: FSP1 . . . . . . . . 393 T. A. Mitsiadis and M. Lardelli and U. Lendahl and I. Thesleff Expression of Notch 1, 2 and 3 is regulated by epithelial-mesenchymal interactions and retinoic acid in the developing mouse tooth and associated with determination of ameloblast cell fate . . . . . . . . . . . . . . . . . . 407 R. Sullivan and C. W. Lo Expression of a connexin 43/beta-galactosidase fusion protein inhibits gap junctional communication in NIH3T3 cells . . . . . . . . . . . . . . 419 S. J. Pittler and S. J. Fliesler and P. L. Fisher and P. K. Keller and L. M. Rapp In vivo requirement of protein prenylation for maintenance of retinal cytoarchitecture and photoreceptor structure . . . . . . . . . . . . . . . 431 E. J. Filardo and P. C. Brooks and S. L. Deming and C. Damsky and D. A. Cheresh Requirement of the NPXY motif in the integrin beta 3 subunit cytoplasmic tail for melanoma cell migration in vitro and in vivo . . . . . . . . . . . . . . . . 441 L. Piali and P. Hammel and C. Uherek and F. Bachmann and R. H. Gisler and D. Dunon and B. A. Imhof CD31\slash PECAM-1 is a ligand for alpha v beta 3 integrin involved in adhesion of leukocytes to endothelium . . . . . . 451 M. S. Kinch and G. J. Clark and C. J. Der and K. Burridge Tyrosine phosphorylation regulates the adhesions of ras-transformed breast epithelia . . . . . . . . . . . . . . . 461 U. Nörenberg and M. Hubert and T. Brümmendorf and A. Tárnok and F. G. Rathjen Characterization of functional domains of the tenascin--R (restrictin) polypeptide: cell attachment site, binding with F11, and enhancement of F11-mediated neurite outgrowth by tenascin--R . . . . . . . . . . . . . . 473 Z. Zheng and S. Katoh and Q. He and K. Oritani and K. Miyake and J. Lesley and R. Hyman and A. Hamik and R. M. Parkhouse and A. G. Farr Monoclonal antibodies to CD44 and their influence on hyaluronan recognition . . 485
P. Bornstein Diversity of function is inherent in matricellular proteins: an appraisal of thrombospondin 1 . . . . . . . . . . . . 503 H. Liao and R. J. Winkfein and G. Mack and J. B. Rattner and T. J. Yen CENP-F is a protein of the nuclear matrix that assembles onto kinetochores at late G2 and is rapidly degraded after mitosis . . . . . . . . . . . . . . . . 507 S. Wang and H. Sakai and M. Wiedmann NAC covers ribosome-associated nascent chains thereby forming a protective environment for regions of nascent chains just emerging from the peptidyl transferase center . . . . . . . . . . . 519 J. S. Rush and C. J. Waechter Transmembrane movement of a water-soluble analogue of mannosylphosphoryldolichol is mediated by an endoplasmic reticulum protein . . 529 B. Volz and G. Orberger and S. Porwoll and H. P. Hauri and R. Tauber Selective reentry of recycling cell surface glycoproteins to the biosynthetic pathway in human hepatocarcinoma HepG2 cells . . . . . . 537 A. E. Gammie and L. J. Kurihara and R. B. Vallee and M. D. Rose DNM1, a dynamin-related gene, participates in endosomal trafficking in yeast . . . . . . . . . . . . . . . . . 553 D. Karaoglu and D. J. Kelleher and R. Gilmore Functional characterization of Ost3p. Loss of the 34-kD subunit of the \bionameSaccharomyces cerevisiae oligosaccharyltransferase results in biased underglycosylation of acceptor substrates . . . . . . . . . . . . . . . 567 B. F. Roettger and R. U. Rentsch and E. M. Hadac and E. H. Hellen and T. P. Burghardt and L. J. Miller Insulation of a G protein-coupled receptor on the plasmalemmal surface of the pancreatic acinar cell . . . . . . . 579 I. C. Baines and A. Corigliano-Murphy and E. D. Korn Quantification and localization of phosphorylated myosin I isoforms in Acanthamoeba castellanii . . . . . . . . 591 C. G. Burns and M. Reedy and J. Heuser and A. De Lozanne Expression of light meromyosin in \bionameDictyostelium blocks normal myosin II function . . . . . . . . . . . 605 Z. M. Goeckeler and R. B. Wysolmerski Myosin light chain kinase-regulated endothelial cell contraction: the relationship between isometric tension, actin polymerization, and myosin phosphorylation . . . . . . . . . . . . 613 L. G. Tilney and M. S. Tilney and G. M. Guild F actin bundles in \bionameDrosophila bristles. I. Two filament cross-links are involved in bundling . . . . . . . . 629 K. R. Olson and J. R. McIntosh and J. B. Olmsted Analysis of MAP 4 function in living cells using green fluorescent protein (GFP) chimeras . . . . . . . . . . . . . 639 D. McCollum and M. K. Balasubramanian and L. E. Pelcher and S. M. Hemmingsen and K. L. Gould \bionameSchizosaccharomyces pombe cdc4+ gene encodes a novel EF-hand protein essential for cytokinesis . . . . . . . 651 D. R. Kellogg and A. Kikuchi and T. Fujii-Nakata and C. W. Turck and A. W. Murray Members of the NAP/SET family of proteins interact specifically with B-type cyclins . . . . . . . . . . . . . 661 D. R. Kellogg and A. W. Murray NAP1 acts with Clb1 to perform mitotic functions and to suppress polar bud growth in budding yeast . . . . . . . . 675 E. Yeh and R. V. Skibbens and J. W. Cheng and E. D. Salmon and K. Bloom Spindle dynamics and cell cycle regulation of dynein in the budding yeast, \bionameSaccharomyces cerevisiae 687 M. D. Mark and Y. Liu and S. T. Wong and T. R. Hinds and D. R. Storm Stimulation of neurite outgrowth in PC12 cells by EGF and KCl depolarization: a Ca(2+)-independent phenomenon . . . . . 701 S. D. Gross and D. P. Hoffman and P. L. Fisette and P. Baas and R. A. Anderson A phosphatidylinositol 4,5-bisphosphate-sensitive casein kinase I alpha associates with synaptic vesicles and phosphorylates a subset of vesicle proteins . . . . . . . . . . . . 711 V. Kundra and B. Anand-Apte and L. A. Feig and B. R. Zetter The chemotactic response to PDGF--BB: evidence of a role for Ras . . . . . . . 725 M. P. Burgoon and R. B. Hazan and G. R. Phillips and K. L. Crossin and G. M. Edelman and B. A. Cunningham Functional analysis of posttranslational cleavage products of the neuron-glia cell adhesion molecule, Ng--CAM . . . . 733 S. D. Blystone and F. P. Lindberg and S. E. LaFlamme and E. J. Brown Integrin beta 3 cytoplasmic tail is necessary and sufficient for regulation of alpha 5 beta 1 phagocytosis by alpha v beta 3 and integrin-associated protein 745
P. K. Jackson and S. Chevalier and M. Philippe and M. W. Kirschner Early events in DNA replication require cyclin E and are blocked by p21CIP1 . . 755 C. Labriola and J. J. Cazzulo and A. J. Parodi Retention of glucose units added by the UDP--GLC: glycoprotein glucosyltransferase delays exit of glycoproteins from the endoplasmic reticulum . . . . . . . . . . . . . . . 771 W. J. Brown and D. B. DeWald and S. D. Emr and H. Plutner and W. E. Balch Role for phosphatidylinositol $3$-kinase in the sorting and transport of newly synthesized lysosomal enzymes in mammalian cells . . . . . . . . . . . . 781 H. W. Davidson Wortmannin causes mistargeting of procathepsin D. Evidence for the involvement of a phosphatidylinositol $3$-kinase in vesicular transport to lysosomes . . . . . . . . . . . . . . . 797 S. Vijayasaradhi and Y. Xu and B. Bouchard and A. N. Houghton Intracellular sorting and targeting of melanosomal membrane proteins: identification of signals for sorting of the human brown locus protein, gp75 . . 807 A. W. van Weert and K. W. Dunn and H. J. Gueze and F. R. Maxfield and W. Stoorvogel Transport from late endosomes to lysosomes, but not sorting of integral membrane proteins in endosomes, depends on the vacuolar proton pump . . . . . . 821 T. A. Nicolson and L. S. Weisman and G. S. Payne and W. T. Wickner A truncated form of the Pho80 cyclin redirects the Pho85 kinase to disrupt vacuole inheritance in S. cerevisiae . . 835 C. Bastianutto and E. Clementi and F. Codazzi and P. Podini and F. De Giorgi and R. Rizzuto and J. Meldolesi and T. Pozzan Overexpression of calreticulin increases the Ca$^{2+}$ capacity of rapidly exchanging Ca$^{2+}$ stores and reveals aspects of their lumenal microenvironment and function . . . . . 847 L. D. Walensky and S. H. Snyder Inositol 1,4,5-trisphosphate receptors selectively localized to the acrosomes of mammalian sperm . . . . . . . . . . . 857 L. Castellani and M. C. Reedy and M. C. Gauzzi and C. Provenzano and S. Alem\`a and G. Falcone Maintenance of the differentiated state in skeletal muscle: activation of v--Src disrupts sarcomeres in quail myotubes 871 C. Chaponnier and M. Goethals and P. A. Janmey and F. Gabbiani and G. Gabbiani and J. Vandekerckhove The specific NH2-terminal sequence Ac--EEED of alpha-smooth muscle actin plays a role in polymerization in vitro and in vivo . . . . . . . . . . . . . . 887 D. E. Discher and R. Winardi and P. O. Schischmanoff and M. Parra and J. G. Conboy and N. Mohandas Mechanochemistry of protein 4.1's spectrin-actin-binding domain: ternary complex interactions, membrane binding, network integration, structural strengthening . . . . . . . . . . . . . 897 B. Mickey and J. Howard Rigidity of microtubules is increased by stabilizing agents . . . . . . . . . . . 909 B. M. Lange and K. Gull A molecular marker for centriole maturation in the mammalian cell cycle 919 R. B. Nicklas and S. C. Ward and G. J. Gorbsky Kinetochore chemistry is sensitive to tension and may link mitotic forces to a cell cycle checkpoint . . . . . . . . . 929 C. L. Rieder and R. W. Cole and A. Khodjakov and G. Sluder The checkpoint delaying anaphase in response to chromosome monoorientation is mediated by an inhibitory signal produced by unattached kinetochores . . 941 W. A. Kues and H. R. Brenner and B. Sakmann and V. Witzemann Local neurotrophic repression of gene transcripts encoding fetal AChRs at rat neuromuscular synapses . . . . . . . . . 949 C. Antony and M. Huchet and J. P. Changeux and J. Cartaud Developmental regulation of membrane traffic organization during synaptogenesis in mouse diaphragm muscle 959 M. Bastmeyer and H. Ott and C. A. Leppert and C. A. Stuermer Fish E587 glycoprotein, a member of the L1 family of cell adhesion molecules, participates in axonal fasciculation and the age-related order of ganglion cell axons in the goldfish retina . . . . . . 969 S. M. Brady-Kalnay and D. L. Rimm and N. K. Tonks Receptor protein tyrosine phosphatase PTPmu associates with cadherins and catenins in vivo . . . . . . . . . . . . 977 M. Koval and S. T. Geist and E. M. Westphale and A. E. Kemendy and R. Civitelli and E. C. Beyer and T. H. Steinberg Transfected connexin45 alters gap junction permeability in cells expressing endogenous connexin43 . . . . 987 T. Ochiya and H. Sakamoto and M. Tsukamoto and T. Sugimura and M. Terada Hst-1 (FGF-4) antisense oligonucleotides block murine limb development . . . . . 997 M. Koch and B. Bohrmann and M. Matthison and C. Hagios and B. Trueb and M. Chiquet Large and small splice variants of collagen XII: differential expression and ligand binding . . . . . . . . . . . 1005
A. H. Corbett and D. M. Koepp and G. Schlenstedt and M. S. Lee and A. K. Hopper and P. A. Silver RNA1p, a Ran/TC4 GTPase activating protein, is required for nuclear import 1017 T. Misteli and G. Warren A role for tubular networks and a COP I-independent pathway in the mitotic fragmentation of Golgi stacks in a cell-free system . . . . . . . . . . . . 1027 C. Desnos and L. Clift-O'Grady and R. B. Kelly Biogenesis of synaptic vesicles in vitro 1041 S. Jones and R. J. Litt and C. J. Richardson and N. Segev Requirement of nucleotide exchange factor for Ypt1 GTPase mediated protein transport . . . . . . . . . . . . . . . 1051 L. H. Chamberlain and D. Roth and A. Morgan and R. D. Burgoyne Distinct effects of alpha--SNAP, 14-3-3 proteins, and calmodulin on priming and triggering of regulated exocytosis . . . 1063 K. J. Verhey and J. I. Yeh and M. J. Birnbaum Distinct signals in the GLUT4 glucose transporter for internalization and for targeting to an insulin-responsive compartment . . . . . . . . . . . . . . 1071 B. J. Marsh and R. A. Alm and S. R. McIntosh and D. E. James Molecular regulation of GLUT-4 targeting in 3T3-L1 adipocytes . . . . . . . . . . 1081 A. R. Robbins and R. D. Ward and C. Oliver A mutation in glyceraldehyde $3$-phosphate dehydrogenase alters endocytosis in CHO cells . . . . . . . . 1093 R. W. Mays and K. A. Siemers and B. A. Fritz and A. W. Lowe and G. van Meer and W. J. Nelson Hierarchy of mechanisms involved in generating Na/K--ATPase polarity in MDCK epithelial cells . . . . . . . . . . . . 1105 A. Shaw and P. A. Fortes and C. D. Stout and V. D. Vacquier Crystal structure and subunit dynamics of the abalone sperm lysin dimer: egg envelopes dissociate dimers, the monomer is the active species . . . . . . . . . 1117 S. J. Kang and K. S. Shin and W. K. Song and D. B. Ha and C. H. Chung and M. S. Kang Involvement of transglutaminase in myofibril assembly of chick embryonic myoblasts in culture . . . . . . . . . . 1127 H. B. Shu and H. C. Joshi Gamma-tubulin can both nucleate microtubule assembly and self-assemble into novel tubular structures in mammalian cells . . . . . . . . . . . . 1137 M. Moritz and M. B. Braunfeld and J. C. Fung and J. W. Sedat and B. M. Alberts and D. A. Agard Three-dimensional structural characterization of centrosomes from early \bionameDrosophila embryos . . . . 1149 C. M. Waterman-Storer and J. Gregory and S. F. Parsons and E. D. Salmon Membrane\slash microtubule tip attachment complexes (TACs) allow the assembly dynamics of plus ends to push and pull membranes into tubulovesicular networks in interphase \bionameXenopus egg extracts . . . . . . . . . . . . . . 1161 S. Haas and P. Thatikunta and A. Steplewski and E. M. Johnson and K. Khalili and S. Amini A 39-kD DNA-binding protein from mouse brain stimulates transcription of myelin basic protein gene in oligodendrocytic cells . . . . . . . . . . . . . . . . . 1171 M. D. Schaller and C. A. Otey and J. D. Hildebrand and J. T. Parsons Focal adhesion kinase and paxillin bind to peptides mimicking beta integrin cytoplasmic domains . . . . . . . . . . 1181 R. Pasqualini and E. Koivunen and E. Ruoslahti A peptide isolated from phage display libraries is a structural and functional mimic of an RGD-binding site on integrins . . . . . . . . . . . . . . . 1189 Y. He and F. Grinnell Role of phospholipase D in the cAMP signal transduction pathway activated during fibroblast contraction of collagen matrices . . . . . . . . . . . 1197 K. Watanabe and H. Yamada and Y. Yamaguchi K-glypican: a novel GPI-anchored heparan sulfate proteoglycan that is highly expressed in developing brain and kidney 1207 Y. Ninomiya and M. Kagawa and K. Iyama and I. Naito and Y. Kishiro and J. M. Seyer and M. Sugimoto and T. Oohashi and Y. Sado Differential expression of two basement membrane collagen genes, COL4A6 and COL4A5, demonstrated by immunofluorescence staining using peptide-specific monoclonal antibodies 1219
H. Yokota and G. van den Engh and J. E. Hearst and R. K. Sachs and B. J. Trask Evidence for the organization of chromatin in megabase pair-sized loops arranged along a random walk path in the human G0/G1 interphase nucleus . . . . . 1239 A. Böttger and B. A. Spruce Proenkephalin is a nuclear protein responsive to growth arrest and differentiation signals . . . . . . . . 1251 P. Grandi and S. Emig and C. Weise and F. Hucho and T. Pohl and E. C. Hurt A novel nuclear pore protein Nup82p which specifically binds to a fraction of Nsp1p . . . . . . . . . . . . . . . . 1263 M. E. Hurwitz and G. Blobel NUP82 is an essential yeast nucleoporin required for poly(A)+ RNA export . . . . 1275 E. A. Elion and J. Trueheart and G. R. Fink Fus2 localizes near the site of cell fusion and is required for both cell fusion and nuclear alignment during zygote formation . . . . . . . . . . . . 1283 J. Rohrer and A. Schweizer and K. F. Johnson and S. Kornfeld A determinant in the cytoplasmic tail of the cation-dependent mannose $6$-phosphate receptor prevents trafficking to lysosomes . . . . . . . . 1297 K. Matsuoka and D. C. Bassham and N. V. Raikhel and K. Nakamura Different sensitivity to wortmannin of two vacuolar sorting signals indicates the presence of distinct sorting machineries in tobacco cells . . . . . . 1307 G. Schmalzing and H. P. Richter and A. Hansen and W. Schwarz and I. Just and K. Aktories Involvement of the GTP binding protein Rho in constitutive endocytosis in \bionameXenopus laevis oocytes . . . . . 1319 M. Benghezal and P. N. Lipke and A. Conzelmann Identification of six complementation classes involved in the biosynthesis of glycosylphosphatidylinositol anchors in \bionameSaccharomyces cerevisiae . . . . 1333 A. L. Samuels and T. H. Giddings and L. A. Staehelin Cytokinesis in tobacco BY-2 and root tip cells: a new model of cell plate formation in higher plants . . . . . . . 1345 H. Sawitzky and F. Grolig Phragmoplast of the green alga Spirogyra is functionally distinct from the higher plant phragmoplast . . . . . . . . . . . 1359 D. Pellman and M. Bagget and Y. H. Tu and G. R. Fink and H. Tu Two microtubule-associated proteins required for anaphase spindle movement in \bionameSaccharomyces cerevisiae . . 1373 H. Yamazaki and T. Nakata and Y. Okada and N. Hirokawa KIF3A\slash B: a heterodimeric kinesin superfamily protein that works as a microtubule plus end-directed motor for membrane organelle transport . . . . . . 1387 I. Huttenlauch and N. Geisler and U. Plessmann and R. K. Peck and K. Weber and R. Stick Major epiplasmic proteins of ciliates are articulins: cloning, recombinant expression, and structural characterization . . . . . . . . . . . . 1401 P. C. Wong and J. Marszalek and T. O. Crawford and Z. Xu and S. T. Hsieh and J. W. Griffin and D. W. Cleveland Increasing neurofilament subunit NF--M expression reduces axonal NF--H, inhibits radial growth, and results in neurofilamentous accumulation in motor neurons . . . . . . . . . . . . . . . . 1413 A. D. Goodearl and A. G. Yee and A. W. Sandrock and G. Corfas and G. D. Fischbach ARIA is concentrated in the synaptic basal lamina of the developing chick neuromuscular junction . . . . . . . . . 1423 S. Wyatt and A. M. Davies Regulation of nerve growth factor receptor gene expression in sympathetic neurons during development . . . . . . . 1435 M. de Hoop and C. von Poser and C. Lange and E. Ikonen and W. Hunziker and C. G. Dotti Intracellular routing of wild-type and mutated polymeric immunoglobulin receptor in hippocampal neurons in culture . . . . . . . . . . . . . . . . 1447 A. Poliard and A. Nifuji and D. Lamblin and E. Plee and C. Forest and O. Kellermann Controlled conversion of an immortalized mesodermal progenitor cell towards osteogenic, chondrogenic, or adipogenic pathways . . . . . . . . . . . . . . . . 1461 M. S. Diamond and R. Alon and C. A. Parkos and M. T. Quinn and T. A. Springer Heparin is an adhesive ligand for the leukocyte integrin Mac-1 (CD11b/CD1) . . 1473
K. G. Miller and D. P. Kiehart Fly division . . . . . . . . . . . . . . 1 J. F. Giménez-Abián and D. J. Clarke and A. M. Mullinger and C. S. Downes and R. T. Johnson A postprophase topoisomerase II-dependent chromatid core separation step in the formation of metaphase chromosomes . . . . . . . . . . . . . . 7 C. Strambio-de-Castillia and G. Blobel and M. P. Rout Isolation and characterization of nuclear envelopes from the yeast Saccharomyces . . . . . . . . . . . . . 19 H. Taniura and C. Glass and L. Gerace A chromatin binding site in the tail domain of nuclear lamins that interacts with core histones . . . . . . . . . . . 33 T. Carvalho and J. S. Seeler and K. Ohman and P. Jordan and U. Pettersson and G. Akusjärvi and M. Carmo-Fonseca and A. Dejean Targeting of adenovirus E1A and E4-ORF3 proteins to nuclear matrix-associated PML bodies . . . . . . . . . . . . . . . 45 C. Itin and R. Schindler and H. P. Hauri Targeting of protein ERGIC-53 to the ER/ERGIC/cis-Golgi recycling pathway . . 57 H. Damke and T. Baba and A. M. van der Bliek and S. L. Schmid Clathrin-independent pinocytosis is induced in cells overexpressing a temperature-sensitive mutant of dynamin 69 P. Y. Lum and R. Wright Degradation of HMG--CoA reductase-induced membranes in the fission yeast, \bionameSchizosaccharomyces pombe . . . 81 A. Motley and M. J. Lumb and P. B. Oatey and P. R. Jennings and P. A. De Zoysa and R. J. Wanders and H. F. Tabak and C. J. Danpure Mammalian alanine/glyoxylate aminotransferase 1 is imported into peroxisomes via the PTS1 translocation pathway. Increased degeneracy and context specificity of the mammalian PTS1 motif and implications for the peroxisome-to-mitochondrion mistargeting of AGT in primary hyperoxaluria type 1 95 E. Prchla and C. Plank and E. Wagner and D. Blaas and R. Fuchs Virus-mediated release of endosomal content in vitro: different behavior of adenovirus and rhinovirus serotype 2 . . 111 S. Parpal and J. Gustavsson and P. Strålfors Isolation of phosphooligosaccharide/phosphoinositol glycan from caveolae and cytosol of insulin-stimulated cells . . . . . . . . 125 R. Mayer and J. Kartenbeck and M. Büchler and G. Jedlitschky and I. Leier and D. Keppler Expression of the MRP gene-encoded conjugate export pump in liver and its selective absence from the canalicular membrane in transport-deficient mutant hepatocytes . . . . . . . . . . . . . . 137 S. Eaton and P. Auvinen and L. Luo and Y. N. Jan and K. Simons CDC42 and Rac1 control different actin-dependent processes in the \bionameDrosophila wing disc epithelium 151 C. M. Field and B. M. Alberts Anillin, a contractile ring protein that cycles from the nucleus to the cell cortex . . . . . . . . . . . . . . . . . 165 L. P. Cramer and T. J. Mitchison Myosin is involved in postmitotic cell spreading . . . . . . . . . . . . . . . 179 S. N. Martineau and P. R. Andreassen and R. L. Margolis Delay of HeLa cell cleavage into interphase using dihydrocytochalasin B: retention of a postmitotic spindle and telophase disc correlates with synchronous cleavage recovery . . . . . 191 Q. Li and H. C. Joshi gamma-tubulin is a minus end-specific microtubule binding protein . . . . . . 207 Y. Yang and E. Spitzer and D. Meyer and M. Sachs and C. Niemann and G. Hartmann and K. M. Weidner and C. Birchmeier and W. Birchmeier Sequential requirement of hepatocyte growth factor and neuregulin in the morphogenesis and differentiation of the mammary gland . . . . . . . . . . . . . 215 O. Kranenburg and V. Scharnhorst and A. J. Van der Eb and A. Zantema Inhibition of cyclin-dependent kinase activity triggers neuronal differentiation of mouse neuroblastoma cells . . . . . . . . . . . . . . . . . 227 Z. Fan and Y. Lu and X. Wu and A. DeBlasio and A. Koff and J. Mendelsohn Prolonged induction of p21Cip1/WAF1/CDK2/PCNA complex by epidermal growth factor receptor activation mediates ligand-induced A431 cell growth inhibition . . . . . . . . . 235 S. Armeanu and H. J. Bühring and M. Reuss-Borst and C. A. Müller and G. Klein E-cadherin is functionally involved in the maturation of the erythroid lineage 243 M. F. Gebbink and G. C. Zondag and G. M. Koningstein and E. Feiken and R. W. Wubbolts and W. H. Moolenaar Cell surface expression of receptor protein tyrosine phosphatase RPTP mu is regulated by cell--cell contact . . . . 251 K. D. Puri and E. B. Finger and G. Gaudernack and T. A. Springer Sialomucin CD34 is the major L-selectin ligand in human tonsil high endothelial venules . . . . . . . . . . . . . . . . 261
T. G. Wolfsberg and P. Primakoff and D. G. Myles and J. M. White ADAM, a novel family of membrane proteins containing A Disintegrin And Metalloprotease domain: multipotential functions in cell--cell and cell-matrix interactions . . . . . . . . . . . . . . 275 Y. Urata and S. J. Parmelee and D. A. Agard and J. W. Sedat A three-dimensional structural dissection of \bionameDrosophila polytene chromosomes . . . . . . . . . . 279 E. Harsay and A. Bretscher Parallel secretory pathways to the cell surface in yeast . . . . . . . . . . . . 297 P. Espenshade and R. E. Gimeno and E. Holzmacher and P. Teung and C. A. Kaiser Yeast SEC16 gene encodes a multidomain vesicle coat protein that interacts with Sec23p . . . . . . . . . . . . . . . . . 311 R. E. Gimeno and P. Espenshade and C. A. Kaiser SED4 encodes a yeast endoplasmic reticulum protein that binds Sec16p and participates in vesicle formation . . . 325 D. J. Opstelten and M. J. Raamsman and K. Wolfs and M. C. Horzinek and P. J. Rottier Envelope glycoprotein interactions in coronavirus assembly . . . . . . . . . . 339 M. S. Marks and P. A. Roche and E. van Donselaar and L. Woodruff and P. J. Peters and J. S. Bonifacino A lysosomal targeting signal in the cytoplasmic tail of the beta chain directs HLA--DM to MHC class II compartments . . . . . . . . . . . . . . 351 S. Silberstein and P. G. Collins and D. J. Kelleher and R. Gilmore The essential OST2 gene encodes the 16-kD subunit of the yeast oligosaccharyltransferase, a highly conserved protein expressed in diverse eukaryotic organisms . . . . . . . . . . 371 J. F. Kelleher and S. J. Atkinson and T. D. Pollard Sequences, structural models, and cellular localization of the actin-related proteins Arp2 and Arp3 from Acanthamoeba . . . . . . . . . . . 385 S. M. King and R. S. Patel-King and C. G. Wilkerson and G. B. Witman The 78,000-M(r) intermediate chain of Chlamydomonas outer arm dynein is a microtubule-binding protein . . . . . . 399 M. McGrail and J. Gepner and A. Silvanovich and S. Ludmann and M. Serr and T. S. Hays Regulation of cytoplasmic dynein function in vivo by the \bionameDrosophila Glued complex . . . . 411 G. J. Pazour and O. A. Sineshchekov and G. B. Witman Mutational analysis of the phototransduction pathway of Chlamydomonas reinhardtii . . . . . . . 427 T. Meier and G. M. Perez and B. G. Wallace Immobilization of nicotinic acetylcholine receptors in mouse C2 myotubes by agrin-induced protein tyrosine phosphorylation . . . . . . . . 441 J. Frisén and C. B. Johansson and C. Török and M. Risling and U. Lendahl Rapid, widespread, and longlasting induction of nestin contributes to the generation of glial scar tissue after CNS injury . . . . . . . . . . . . . . . 453 J. P. Doyle and J. G. Stempak and P. Cowin and D. R. Colman and D. D'Urso Protein zero, a nervous system adhesion molecule, triggers epithelial reversion in host carcinoma cells . . . . . . . . 465 H. I. Roach and J. Erenpreisa and T. Aigner Osteogenic differentiation of hypertrophic chondrocytes involves asymmetric cell divisions and apoptosis 483 M. A. del Pozo and P. Sánchez-Mateos and M. Nieto and F. Sánchez-Madrid Chemokines regulate cellular polarization and adhesion receptor redistribution during lymphocyte interaction with endothelium and extracellular matrix. Involvement of cAMP signaling pathway . . . . . . . . . 495 T. Y. Nakamura and I. Yamamoto and H. Nishitani and T. Matozaki and T. Suzuki and S. Wakabayashi and M. Shigekawa and K. Goshima Detachment of cultured cells from the substratum induced by the neutrophil-derived oxidant NH2Cl: synergistic role of phosphotyrosine and intracellular Ca$^{2+}$ concentration 509 E. Crowley and A. F. Horwitz Tyrosine phosphorylation and cytoskeletal tension regulate the release of fibroblast adhesions . . . . 525 S. L. Dallas and K. Miyazono and T. M. Skerry and G. R. Mundy and L. F. Bonewald Dual role for the latent transforming growth factor-beta binding protein in storage of latent TGF-beta in the extracellular matrix and as a structural matrix protein . . . . . . . . . . . . . 539 L. Bruckner-Tuderman and O. Nilssen and D. R. Zimmermann and M. T. Dours-Zimmermann and D. U. Kalinke and T. Gedde-Dahl and J. O. Winberg Immunohistochemical and mutation analyses demonstrate that procollagen VII is processed to collagen VII through removal of the NC-2 domain . . . . . . . 551
M. Bellini and J. C. Lacroix and J. G. Gall A zinc-binding domain is required for targeting the maternal nuclear protein PwA33 to lampbrush chromosome loops . . 563 F. Melchior and T. Guan and N. Yokoyama and T. Nishimoto and L. Gerace GTP hydrolysis by Ran occurs at the nuclear pore complex in an early step of protein import . . . . . . . . . . . . . 571 G. Jedd and C. Richardson and R. Litt and N. Segev The Ypt1 GTPase is essential for the first two steps of the yeast secretory pathway . . . . . . . . . . . . . . . . 583 T. M. Harding and K. A. Morano and S. V. Scott and D. J. Klionsky Isolation and characterization of yeast mutants in the cytoplasm to vacuole protein targeting pathway . . . . . . . 591 R. C. Piper and A. A. Cooper and H. Yang and T. H. Stevens VPS27 controls vacuolar and endocytic traffic through a prevacuolar compartment in \bionameSaccharomyces cerevisiae . . . . . . . . . . . . . . . 603 L. J. Page and M. S. Robinson Targeting signals and subunit interactions in coated vesicle adaptor complexes . . . . . . . . . . . . . . . 619 J. A. Lorenzen and C. Y. Dadabay and E. H. Fischer COOH-terminal sequence motifs target the T cell protein tyrosine phosphatase to the ER and nucleus . . . . . . . . . . . 631 I. van Genderen and G. van Meer Differential targeting of glucosylceramide and galactosylceramide analogues after synthesis but not during transcytosis in Madin--Darby canine kidney cells . . . . . . . . . . . . . . 645 C. M. Fanger and M. Hoth and G. R. Crabtree and R. S. Lewis Characterization of T cell mutants with defects in capacitative calcium entry: genetic evidence for the physiological roles of CRAC channels . . . . . . . . . 655 C. W. van den Berg and T. Cinek and M. B. Hallett and V. Horejsi and B. P. Morgan Exogenous glycosyl phosphatidylinositol-anchored CD59 associates with kinases in membrane clusters on U937 cells and becomes Ca(2+)-signaling competent . . . . . . . 669 G. B. Melikyan and J. M. White and F. S. Cohen GPI-anchored influenza hemagglutinin induces hemifusion to both red blood cell and planar bilayer membranes . . . 679 T. Gaglio and A. Saredi and D. A. Compton NuMA is required for the organization of microtubules into aster-like mitotic arrays . . . . . . . . . . . . . . . . . 693 K. G. Hardwick and A. W. Murray Mad1p, a phosphoprotein component of the spindle assembly checkpoint in budding yeast . . . . . . . . . . . . . . . . . 709 Y. Zhai and P. J. Kronebusch and G. G. Borisy Kinetochore microtubule dynamics and the metaphase-anaphase transition . . . . . 721 F. Shibasaki and F. McKeon Calcineurin functions in Ca(2+)-activated cell death in mammalian cells . . . . . . . . . . . . . . . . . 735 M. P. Demlehner and S. Schäfer and C. Grund and W. W. Franke Continual assembly of half-desmosomal structures in the absence of cell contacts and their frustrated endocytosis: a coordinated Sisyphus cycle . . . . . . . . . . . . . . . . . 745 J. M. Rodier and A. M. Vallés and M. Denoyelle and J. P. Thiery and B. Boyer pp60c-src is a positive regulator of growth factor-induced cell scattering in a rat bladder carcinoma cell line . . . 761 C. A. Owen and M. A. Campbell and P. L. Sannes and S. S. Boukedes and E. J. Campbell Cell surface-bound elastase and cathepsin G on human neutrophils: a novel, non-oxidative mechanism by which neutrophils focus and preserve catalytic activity of serine proteinases . . . . . 775 S. Miyamoto and H. Teramoto and O. A. Coso and J. S. Gutkind and P. D. Burbelo and S. K. Akiyama and K. M. Yamada Integrin function: molecular hierarchies of cytoskeletal and signaling molecules 791 S. J. Shattil and T. O'Toole and M. Eigenthaler and V. Thon and M. Williams and B. M. Babior and M. H. Ginsberg Beta $3$-endonexin, a novel polypeptide that interacts specifically with the cytoplasmic tail of the integrin beta 3 subunit . . . . . . . . . . . . . . . . 807
K. Bohmann and J. A. Ferreira and A. I. Lamond Mutational analysis of p80 coilin indicates a functional interaction between coiled bodies and the nucleolus 817 K. Afshar and J. Scholey and R. S. Hawley Identification of the chromosome localization domain of the \bionameDrosophila nod kinesin-like protein . . . . . . . . . . . . . . . . 833 R. Dorer and P. M. Pryciak and L. H. Hartwell Saccharomyces cerevisiae cells execute a default pathway to select a mate in the absence of pheromone gradients . . . . . 845 N. Valtz and M. Peter and I. Herskowitz FAR1 is required for oriented polarization of yeast cells in response to mating pheromones . . . . . . . . . . 863 M. Aridor and S. I. Bannykh and T. Rowe and W. E. Balch Sequential coupling between COPII and COPI vesicle coats in endoplasmic reticulum to Golgi transport . . . . . . 875 S. Schröder and F. Schimmöller and B. Singer-Krüger and H. Riezman The Golgi-localization of yeast Emp47p depends on its di-lysine motif but is not affected by the ret1-1 mutation in alpha--COP . . . . . . . . . . . . . . . 895 M. Lussier and A. M. Sdicu and T. Ketela and H. Bussey Localization and targeting of the \bionameSaccharomyces cerevisiae Kre2p/Mnt1p alpha 1,2-mannosyltransferase to a media-Golgi compartment . . . . . . . . . . . . . . 913 E. J. Smart and Y. S. Ying and R. G. Anderson Hormonal regulation of caveolae internalization . . . . . . . . . . . . 929 E. M. Danielsen and B. van Deurs A transferrin-like GPI-linked iron-binding protein in detergent-insoluble noncaveolar microdomains at the apical surface of fetal intestinal epithelial cells . . . 939 W. I. Lencer and C. Constable and S. Moe and M. G. Jobling and H. M. Webb and S. Ruston and J. L. Madara and T. R. Hirst and R. K. Holmes Targeting of cholera toxin and \bionameEscherichia coli heat labile toxin in polarized epithelia: role of COOH-terminal KDEL . . . . . . . . . . . 951 I. Sase and T. Okinaga and M. Hoshi and G. W. Feigenson and K. Kinosita Regulatory mechanisms of the acrosome reaction revealed by multiview microscopy of single starfish sperm . . 963 J. T. Vilquin and E. Wagner and I. Kinoshita and R. Roy and J. P. Tremblay Successful histocompatible myoblast transplantation in dystrophin-deficient mdx mouse despite the production of antibodies against dystrophin . . . . . 975 A. B. Verkhovsky and T. M. Svitkina and G. G. Borisy Myosin II filament assemblies in the active lamella of fibroblasts: their morphogenesis and role in the formation of actin filament bundles . . . . . . . 989 M. Farkasovsky and H. Küntzel Yeast Num1p associates with the mother cell cortex during S/G2 phase and affects microtubular functions . . . . . 1003 D. Masson and T. E. Kreis Binding of E--MAP--115 to microtubules is regulated by cell cycle-dependent phosphorylation . . . . . . . . . . . . 1015 S. Loukin and C. Kung Manganese effectively supports yeast cell-cycle progression in place of calcium . . . . . . . . . . . . . . . . 1025 T. Nakata and N. Hirokawa Point mutation of adenosine triphosphate-binding motif generated rigor kinesin that selectively blocks anterograde lysosome membrane transport 1039 M. Ogawara and N. Inagaki and K. Tsujimura and Y. Takai and M. Sekimata and M. H. Ha and S. Imajoh-Ohmi and S. Hirai and S. Ohno and H. Sugiura Differential targeting of protein kinase C and CaM kinase II signalings to vimentin . . . . . . . . . . . . . . . . 1055 D. M. Suter and G. E. Pollerberg and A. Buchstaller and R. J. Giger and W. J. Dreyer and P. Sonderegger Binding between the neural cell adhesion molecules axonin-1 and Nr-CAM\slash Bravo is involved in neuron-glia interaction . . . . . . . . . . . . . . 1067 S. Arber and P. Caroni Thrombospondin-4, an extracellular matrix protein expressed in the developing and adult nervous system promotes neurite outgrowth . . . . . . . 1083 Z. Feng and A. Marti and B. Jehn and H. J. Altermatt and G. Chicaiza and R. Jaggi Glucocorticoid and progesterone inhibit involution and programmed cell death in the mouse mammary gland . . . . . . . . 1095 L. Gnessi and A. Emidi and E. A. Jannini and E. Carosa and M. Maroder and M. Arizzi and S. Ulisse and G. Spera Testicular development involves the spatiotemporal control of PDGFs and PDGF receptors gene expression and action . . 1105
D. Zhang and R. B. Nicklas Chromosomes initiate spindle assembly upon experimental dissolution of the nuclear envelope in grasshopper spermatocytes . . . . . . . . . . . . . 1125 J. D. Aitchison and M. P. Rout and M. Marelli and G. Blobel and R. W. Wozniak Two novel related yeast nucleoporins Nup170p and Nup157p: complementation with the vertebrate homologue Nup155p and functional interactions with the yeast nuclear pore-membrane protein Pom152p . . . . . . . . . . . . . . . . 1133 K. I. Lin and S. H. Lee and R. Narayanan and J. M. Baraban and J. M. Hardwick and R. R. Ratan Thiol agents and Bcl-2 identify an alphavirus-induced apoptotic pathway that requires activation of the transcription factor NF-kappa B . . . . 1149 S. K. Lyman and R. Schekman Interaction between BiP and Sec63p is required for the completion of protein translocation into the ER of \bionameSaccharomyces cerevisiae . . . . 1163 D. Steverding and Y. D. Stierhof and H. Fuchs and R. Tauber and P. Overath Transferrin-binding protein complex is the receptor for transferrin uptake in Trypanosoma brucei . . . . . . . . . . . 1173 T. Whalley and M. Terasaki and M. S. Cho and S. S. Vogel Direct membrane retrieval into large vesicles after exocytosis in sea urchin eggs . . . . . . . . . . . . . . . . . . 1183 D. W. Laird and M. Castillo and L. Kasprzak Gap junction turnover, intracellular trafficking, and phosphorylation of connexin43 in brefeldin A-treated rat mammary tumor cells . . . . . . . . . . 1193 K. D. Novak and M. D. Peterson and M. C. Reedy and M. A. Titus \bionameDictyostelium myosin I double mutants exhibit conditional defects in pinocytosis . . . . . . . . . . . . . . 1205 F. Castellino and S. Ono and F. Matsumura and A. Luini Essential role of caldesmon in the actin filament reorganization induced by glucocorticoids . . . . . . . . . . . . 1223 M. Berryman and R. Gary and A. Bretscher Ezrin oligomers are major cytoskeletal components of placental microvilli: a proposal for their involvement in cortical morphogenesis . . . . . . . . . 1231 K. C. Gunsalus and S. Bonaccorsi and E. Williams and F. Verni and M. Gatti and M. L. Goldberg Mutations in twinstar, a \bionameDrosophila gene encoding a cofilin/ADF homologue, result in defects in centrosome migration and cytokinesis 1243 K. Oegema and W. G. Whitfield and B. Alberts The cell cycle-dependent localization of the CP190 centrosomal protein is determined by the coordinate action of two separable domains . . . . . . . . . 1261 G. Gurland and G. G. Gundersen Stable, detyrosinated microtubules function to localize vimentin intermediate filaments in fibroblasts 1275 J. Liao and L. A. Lowthert and N. O. Ku and R. Fernandez and M. B. Omary Dynamics of human keratin 18 phosphorylation: polarized distribution of phosphorylated keratins in simple epithelial tissues . . . . . . . . . . . 1291 N. O. Ku and S. Michie and R. G. Oshima and M. B. Omary Chronic hepatitis, hepatocyte fragility, and increased soluble phosphoglycokeratins in transgenic mice expressing a keratin 18 conserved arginine mutant . . . . . . . . . . . . 1303 R. L. Morris and P. J. Hollenbeck Axonal transport of mitochondria along microtubules and F-actin in living vertebrate neurons . . . . . . . . . . . 1315 R. Brandt and J. Léger and G. Lee Interaction of tau with the neural plasma membrane mediated by tau's amino-terminal projection domain . . . . 1327 L. Adams and B. M. Carlson and L. Henderson and D. Goldman Adaptation of nicotinic acetylcholine receptor, myogenin, and MRF4 gene expression to long-term muscle denervation . . . . . . . . . . . . . . 1341 R. St-Arnaud and J. Prud'homme and C. Leung-Hagesteijn and S. Dedhar Constitutive expression of calreticulin in osteoblasts inhibits mineralization 1351
J. R. McIntosh and R. R. West A cell biological perspective on genome research . . . . . . . . . . . . . . . . 1361 J. Bednar and R. A. Horowitz and J. Dubochet and C. L. Woodcock Chromatin conformation and salt-induced compaction: three-dimensional structural information from cryoelectron microscopy 1365 P. Mayinger and V. A. Bankaitis and D. I. Meyer Sac1p mediates the adenosine triphosphate transport into yeast endoplasmic reticulum that is required for protein translocation . . . . . . . 1377 J. C. Stinchcombe and H. Nomoto and D. F. Cutler and C. R. Hopkins Anterograde and retrograde traffic between the rough endoplasmic reticulum and the Golgi complex . . . . . . . . . 1387 G. Raposo and H. M. van Santen and R. Leijendekker and H. J. Geuze and H. L. Ploegh Misfolded major histocompatibility complex class I molecules accumulate in an expanded ER--Golgi intermediate compartment . . . . . . . . . . . . . . 1403 P. A. Conrad and E. J. Smart and Y. S. Ying and R. G. Anderson and G. S. Bloom Caveolin cycles between plasma membrane caveolae and the Golgi complex by microtubule-dependent and microtubule-independent steps . . . . . 1421 Y. Feng and B. Press and A. Wandinger-Ness Rab 7: an important regulator of late endocytic membrane traffic . . . . . . . 1435 R. K. Szilard and V. I. Titorenko and M. Veenhuis and R. A. Rachubinski Pay32p of the yeast Yarrowia lipolytica is an intraperoxisomal component of the matrix protein translocation machinery 1453 A. Houmeida and J. Holt and L. Tskhovrebova and J. Trinick Studies of the interaction between titin and myosin . . . . . . . . . . . . . . . 1471 T. S. Karpova and K. Tatchell and J. A. Cooper Actin filaments in yeast are unstable in the absence of capping protein or fimbrin . . . . . . . . . . . . . . . . 1483 D. C. Shutt and D. Wessels and K. Wagenknecht and A. Chandrasekhar and A. L. Hitt and E. J. Luna and D. R. Soll Ponticulin plays a role in the positional stabilization of pseudopods 1495 K. T. Vaughan and R. B. Vallee Cytoplasmic dynein binds dynactin through a direct interaction between the intermediate chains and p150Glued . . . 1507 K. G. Kozminski and P. L. Beech and J. L. Rosenbaum The Chlamydomonas kinesin-like protein FLA10 is involved in motility associated with the flagellar membrane . . . . . . 1517 F. Verde and J. Mata and P. Nurse Fission yeast cell morphogenesis: identification of new genes and analysis of their role during the cell cycle . . 1529 D. C. Chang and C. Meng A localized elevation of cytosolic free calcium is associated with cytokinesis in the zebrafish embryo . . . . . . . . 1539 A. J. Denzer and M. Gesemann and B. Schumacher and M. A. Ruegg An amino-terminal extension is required for the secretion of chick agrin and its binding to extracellular matrix . . . . 1547 C. Vozzi and S. Ullrich and A. Charollais and J. Philippe and L. Orci and P. Meda Adequate connexin-mediated coupling is required for proper insulin production 1561 V. Brinkmann and H. Foroutan and M. Sachs and K. M. Weidner and W. Birchmeier Hepatocyte growth factor/scatter factor induces a variety of tissue-specific morphogenic programs in epithelial cells 1573 J. Rak and Y. Mitsuhashi and V. Erdos and S. N. Huang and J. Filmus and R. S. Kerbel Massive programmed cell death in intestinal epithelial cells induced by three-dimensional growth conditions: suppression by mutant c--H--ras oncogene expression . . . . . . . . . . . . . . . 1587 B. A. McCormick and P. M. Hofman and J. Kim and D. K. Carnes and S. I. Miller and J. L. Madara Surface attachment of Salmonella typhimurium to intestinal epithelia imprints the subepithelial matrix with gradients chemotactic for neutrophils 1599 M. Conese and A. Nykjaer and C. M. Petersen and O. Cremona and R. Pardi and P. A. Andreasen and J. Gliemann and E. I. Christensen and F. Blasi alpha-2 Macroglobulin receptor/Ldl receptor-related protein(Lrp)-dependent internalization of the urokinase receptor . . . . . . . . . . . . . . . . 1609 K. L. Bennett and B. Modrell and B. Greenfield and A. Bartolazzi and I. Stamenkovic and R. Peach and D. G. Jackson and F. Spring and A. Aruffo Regulation of CD44 binding to hyaluronan by glycosylation of variably spliced exons . . . . . . . . . . . . . . . . . 1623 Y. Xing and C. V. Johnson and P. T. Moen and J. A. McNeil and J. Lawrence Nonrandom gene organization: structural arrangements of specific pre-mRNA transcription and splicing with SC-35 domains . . . . . . . . . . . . . . . . 1635 M. R. Jacobson and L. G. Cao and Y. L. Wang and T. Pederson Dynamic localization of RNase MRP RNA in the nucleolus observed by fluorescent RNA cytochemistry in living cells . . . 1649 J. D. Aitchison and G. Blobel and M. P. Rout Nup120p: a yeast nucleoporin required for NPC distribution and mRNA transport 1659 C. V. Heath and C. S. Copeland and D. C. Amberg and V. Del Priore and M. Snyder and C. N. Cole Nuclear pore complex clustering and nuclear accumulation of poly(A)+ RNA associated with mutation of the \bionameSaccharomyces cerevisiae RAT2/NUP120 gene . . . . . . . . . . . . 1677 M. K. Iovine and J. L. Watkins and S. R. Wente The GLFG repetitive region of the nucleoporin Nup116p interacts with Kap95p, an essential yeast nuclear import factor . . . . . . . . . . . . . 1699 N. Nakamura and C. Rabouille and R. Watson and T. Nilsson and N. Hui and P. Slusarewicz and T. E. Kreis and G. Warren Characterization of a cis-Golgi matrix protein, GM130 . . . . . . . . . . . . . 1715 S. V. Scott and D. J. Klionsky In vitro reconstitution of cytoplasm to vacuole protein targeting in yeast . . . 1727 K. Miyake and P. L. McNeil Vesicle accumulation and exocytosis at sites of plasma membrane disruption . . 1737 G. Q. Bi and J. M. Alderton and R. A. Steinhardt Calcium-regulated exocytosis is required for cell membrane resealing . . . . . . 1747 P. von Arx and S. Bantle and T. Soldati and J. C. Perriard Dominant negative effect of cytoplasmic actin isoproteins on cardiomyocyte cytoarchitecture and function . . . . . 1759 S. G. Sobel and M. Snyder A highly divergent gamma-tubulin gene is essential for cell growth and proper microtubule organization in \bionameSaccharomyces cerevisiae . . . . 1775 Y. Takei and A. Harada and S. Takeda and K. Kobayashi and S. Terada and T. Noda and T. Takahashi and N. Hirokawa Synapsin I deficiency results in the structural change in the presynaptic terminals in the murine nervous system 1789 K. Stenius and R. Janz and T. C. Südhof and R. Jahn Structure of synaptogyrin (p29) defines novel synaptic vesicle protein . . . . . 1801 L. Bö and R. H. Quarles and N. Fujita and Z. Bartoszewicz and S. Sato and B. D. Trapp Endocytic depletion of L--MAG from CNS myelin in quaking mice . . . . . . . . . 1811 M. Kunimoto A neuron-specific isoform of brain ankyrin, 440-kD ankyrinB, is targeted to the axons of rat cerebellar neurons . . 1821 A. Benmerah and J. Gagnon and B. B\`egue and B. Mégarbané and A. Dautry-Varsat and N. Cerf-Bensussan The tyrosine kinase substrate eps15 is constitutively associated with the plasma membrane adaptor AP-2 . . . . . . 1831 H. Takeda and A. Nagafuchi and S. Yonemura and S. Tsukita and J. Behrens and W. Birchmeier and S. Tsukita V-src kinase shifts the cadherin-based cell adhesion from the strong to the weak state and beta catenin is not required for the shift . . . . . . . . . 1839 M. H. Driessens and P. J. Stroeken and N. F. Rodriguez Erena and M. A. van der Valk and E. A. van Rijthoven and E. Roos Targeted disruption of CD44 in MDAY--D2 lymphosarcoma cells has no effect on subcutaneous growth or metastatic capacity . . . . . . . . . . . . . . . . 1849 N. A. Hotchin and A. Hall The assembly of integrin adhesion complexes requires both extracellular matrix and intracellular rho/rac GTPases 1857 Y. Shimizu and J. L. Mobley and L. D. Finkelstein and A. S. Chan A role for phosphatidylinositol $3$-kinase in the regulation of beta 1 integrin activity by the CD2 antigen . . 1867 M. Ruppert and S. Aigner and M. Hubbe and H. Yagita and P. Altevogt The L1 adhesion molecule is a cellular ligand for VLA-5 . . . . . . . . . . . . 1881 K. D. Patel and M. U. Nollert and R. P. McEver P-selectin must extend a sufficient length from the plasma membrane to mediate rolling of neutrophils . . . . . 1893 O. Langholz and D. Röckel and C. Mauch and E. Kozlowska and I. Bank and T. Krieg and B. Eckes Collagen and collagenase gene expression in three-dimensional collagen lattices are differentially regulated by alpha 1 beta 1 and alpha 2 beta 1 integrins . . 1903
S. A. Lewis and G. Tian and I. E. Vainberg and N. J. Cowan Chaperonin-mediated folding of actin and tubulin . . . . . . . . . . . . . . . . 1 C. Macaulay and D. J. Forbes Assembly of the nuclear pore: biochemically distinct steps revealed with NEM, GTP gamma S, and BAPTA . . . . 5 W. Stoorvogel and V. Oorschot and H. J. Geuze A novel class of clathrin-coated vesicles budding from endosomes . . . . 21 S. Rijnboutt and G. Jansen and G. Posthuma and J. B. Hynes and J. H. Schornagel and G. J. Strous Endocytosis of GPI-linked membrane folate receptor-alpha . . . . . . . . . 35 S. Zimmerli and M. Majeed and M. Gustavsson and O. Stendahl and D. A. Sanan and J. D. Ernst Phagosome-lysosome fusion is a calcium-independent event in macrophages 49 S. V. Scott and S. M. Theg A new chloroplast protein import intermediate reveals distinct translocation machineries in the two envelope membranes: energetics and mechanistic implications . . . . . . . . 63 R. Prekeris and M. W. Mayhew and J. B. Cooper and D. M. Terrian Identification and localization of an actin-binding motif that is unique to the epsilon isoform of protein kinase C and participates in the regulation of synaptic function . . . . . . . . . . . 77 M. Yasunaga and T. Yagi and N. Hanzawa and M. Yasuda and Y. Yamanashi and T. Yamamoto and S. Aizawa and Y. Miyauchi and S. Nishikawa Involvement of Fyn tyrosine kinase in progression of cytokinesis of B lymphocyte progenitor . . . . . . . . . 91 M. F. Kolman and L. M. Futey and T. T. Egelhoff \bionameDictyostelium myosin heavy chain kinase A regulates myosin localization during growth and development . . . . . 101 E. Weiss and M. Winey The \bionameSaccharomyces cerevisiae spindle pole body duplication gene MPS1 is part of a mitotic checkpoint . . . . 111 E. Okumura and T. Sekiai and S. Hisanaga and K. Tachibana and T. Kishimoto Initial triggering of M-phase in starfish oocytes: a possible novel component of maturation-promoting factor besides cdc2 kinase . . . . . . . . . . 125 G. Mondésert and S. I. Reed BED1, a gene encoding a galactosyltransferase homologue, is required for polarized growth and efficient bud emergence in \bionameSaccharomyces cerevisiae . . . . 137 J. B. Bachant and M. W. Klymkowsky A nontetrameric species is the major soluble form of keratin in \bionameXenopus oocytes and rabbit reticulocyte lysates . . . . . . . . . . 153 O. Rossetto and L. Gorza and G. Schiavo and N. Schiavo and R. H. Scheller and C. Montecucco VAMP\slash synaptobrevin isoforms 1 and 2 are widely and differentially expressed in nonneuronal tissues . . . . 167 S. Yoshida and A. Fujisawa-Sehara and T. Taki and K. Arai and Y. Nabeshima Lysophosphatidic acid and bFGF control different modes in proliferating myoblasts . . . . . . . . . . . . . . . 181 A. Erlebacher and R. Derynck Increased expression of TGF-beta 2 in osteoblasts results in an osteoporosis-like phenotype . . . . . . 195 A. M. Belkin and N. I. Zhidkova and F. Balzac and F. Altruda and D. Tomatis and A. Maier and G. Tarone and V. E. Koteliansky and K. Burridge Beta $1$D integrin displaces the beta 1A isoform in striated muscles: localization at junctional structures and signaling potential in nonmuscle cells . . . . . . . . . . . . . . . . . 211 K. Wennerberg and L. Lohikangas and D. Gullberg and M. Pfaff and S. Johansson and R. Fässler Beta 1 integrin-dependent and -independent polymerization of fibronectin . . . . . . . . . . . . . . 227 J. Xu and R. A. Clark Extracellular matrix alters PDGF regulation of fibroblast integrins . . . 239
S. A. Hayes and J. F. Dice Roles of molecular chaperones in protein degradation . . . . . . . . . . . . . . 255 C. M. Clemson and J. A. McNeil and H. F. Willard and J. B. Lawrence XIST RNA paints the inactive X chromosome at interphase: evidence for a novel RNA involved in nuclear/chromosome structure . . . . . . . . . . . . . . . 259 V. V. Lupashin and S. Hamamoto and R. W. Schekman Biochemical requirements for the targeting and fusion of ER-derived transport vesicles with purified yeast Golgi membranes . . . . . . . . . . . . 277 A. A. McCracken and J. L. Brodsky Assembly of ER-associated protein degradation in vitro: dependence on cytosol, calnexin, and ATP . . . . . . . 291 J. Dietrich and A. Neisig and X. Hou and A. M. Wegener and M. Gajhede and C. Geisler Role of CD3 gamma in T cell receptor assembly . . . . . . . . . . . . . . . . 299 T. Häusler and Y. D. Stierhof and E. Wirtz and C. Clayton Import of a DHFR hybrid protein into glycosomes in vivo is not inhibited by the folate-analogue aminopterin . . . . 311 J. W. Zhang and P. B. Lazarow Peb1p (Pas7p) is an intraperoxisomal receptor for the NH2-terminal, type 2, peroxisomal targeting sequence of thiolase: Peb1p itself is targeted to peroxisomes by an NH2-terminal peptide 325 H. Aizawa and K. Sutoh and I. Yahara Overexpression of cofilin stimulates bundling of actin filaments, membrane ruffling, and cell movement in \bionameDictyostelium . . . . . . . . . 335 X. M. Wang and J. G. Peloquin and Y. Zhai and J. C. Bulinski and G. G. Borisy Removal of MAP4 from microtubules in vivo produces no observable phenotype at the cellular level . . . . . . . . . . . 345 E. F. Smith and P. A. Lefebvre PF16 encodes a protein with armadillo repeats and localizes to a single microtubule of the central apparatus in Chlamydomonas flagella . . . . . . . . . 359 K. P. Wedaman and D. W. Meyer and D. J. Rashid and D. G. Cole and J. M. Scholey Sequence and submolecular localization of the 115-kD accessory subunit of the heterotrimeric kinesin-II (KRP85/95) complex . . . . . . . . . . . . . . . . 371 R. D. Paladini and K. Takahashi and N. S. Bravo and P. A. Coulombe Onset of re-epithelialization after skin injury correlates with a reorganization of keratin filaments in wound edge keratinocytes: defining a potential role for keratin 16 . . . . . . . . . . . . . 381 H. Fares and L. Goetsch and J. R. Pringle Identification of a developmentally regulated septin and involvement of the septins in spore formation in \bionameSaccharomyces cerevisiae . . . . 399 I. Vincent and M. Rosado and P. Davies Mitotic mechanisms in Alzheimer's disease? . . . . . . . . . . . . . . . . 413 N. Cabrera and E. Díaz-Rodríguez and E. Becker and D. Martín-Zanca and A. Pandiella TrkA receptor ectodomain cleavage generates a tyrosine-phosphorylated cell-associated fragment . . . . . . . . 427 C. A. Parkos and S. P. Colgan and T. W. Liang and A. Nusrat and A. E. Bacarra and D. K. Carnes and J. L. Madara CD47 mediates post-adhesive events required for neutrophil migration across polarized intestinal epithelia . . . . . 437 A. K. Rajasekaran and M. Hojo and T. Huima and E. Rodriguez-Boulan Catenins and zonula occludens-1 form a complex during early stages in the assembly of tight junctions . . . . . . 451 M. L. Dustin and L. M. Ferguson and P. Y. Chan and T. A. Springer and D. E. Golan Visualization of CD2 interaction with LFA-3 and determination of the two-dimensional dissociation constant for adhesion receptors in a contact area 465 A. M. Montgomery and J. C. Becker and C. H. Siu and V. P. Lemmon and D. A. Cheresh and J. D. Pancook and X. Zhao and R. A. Reisfeld Human neural cell adhesion molecule L1 and rat homologue NILE are ligands for integrin alpha v beta 3 . . . . . . . . 475 G. Mertens and B. Van der Schueren and H. van den Berghe and G. David Heparan sulfate expression in polarized epithelial cells: the apical sorting of glypican (GPI-anchored proteoglycan) is inversely related to its heparan sulfate content . . . . . . . . . . . . . . . . 487
D. T. Ng and P. Walter ER membrane protein complex required for nuclear fusion . . . . . . . . . . . . . 499 H. L. Pahl and M. Sester and H. G. Burgert and P. A. Baeuerle Activation of transcription factor NF-kappaB by the adenovirus E3/19K protein requires its ER retention . . . 511 A. S. Dittie and N. Hajibagheri and S. A. Tooze The AP-1 adaptor complex binds to immature secretory granules from PC12 cells, and is regulated by ADP-ribosylation factor . . . . . . . . 523 E. Grote and R. B. Kelly Endocytosis of VAMP is facilitated by a synaptic vesicle targeting signal . . . 537 E. E. Swartzman and M. N. Viswanathan and J. Thorner The PAL1 gene product is a peroxisomal ATP-binding cassette transporter in the yeast \bionameSaccharomyces cerevisiae 549 J. Rohrer and A. Schweizer and D. Russell and S. Kornfeld The targeting of Lamp1 to lysosomes is dependent on the spacing of its cytoplasmic tail tyrosine sorting motif relative to the membrane . . . . . . . . 565 A. Schweizer and S. Kornfeld and J. Rohrer Cysteine34 of the cytoplasmic tail of the cation-dependent mannose $6$-phosphate receptor is reversibly palmitoylated and required for normal trafficking and lysosomal enzyme sorting 577 Y. K. Oh and J. A. Swanson Different fates of phagocytosed particles after delivery into macrophage lysosomes . . . . . . . . . . . . . . . 585 H. Shpetner and M. Joly and D. Hartley and S. Corvera Potential sites of PI-3 kinase function in the endocytic pathway revealed by the PI-3 kinase inhibitor, wortmannin . . . 595 A. Tanimura and R. J. Turner Calcium release in HSY cells conforms to a steady-state mechanism involving regulation of the inositol 1,4,5-trisphosphate receptor Ca$^{2+}$ channel by luminal [Ca$^{2+}$] . . . . . 607 C. J. Echeverri and B. M. Paschal and K. T. Vaughan and R. B. Vallee Molecular characterization of the 50-kD subunit of dynactin reveals function for the complex in chromosome alignment and spindle organization during mitosis . . 617 M. Sekimata and K. Tsujimura and J. Tanaka and Y. Takeuchi and N. Inagaki and M. Inagaki Detection of protein kinase activity specifically activated at metaphase-anaphase transition . . . . . 635 G. Goulielmos and F. Gounari and S. Remington and S. Müller and M. Häner and U. Aebi and S. D. Georgatos Filensin and phakinin form a novel type of beaded intermediate filaments and coassemble de novo in cultured cells . . 643 V. Andrés and K. Walsh Myogenin expression, cell cycle withdrawal, and phenotypic differentiation are temporally separable events that precede cell fusion upon myogenesis . . . . . . . . . . . . . . . 657 N. Hirokawa and T. Funakoshi and R. Sato-Harada and Y. Kanai Selective stabilization of tau in axons and microtubule-associated protein 2C in cell bodies and dendrites contributes to polarized localization of cytoskeletal proteins in mature neurons . . . . . . . 667 B. Götz and A. Scholze and A. Clement and A. Joester and K. Schütte and F. Wigger and R. Frank and E. Spiess and P. Ekblom and A. Faissner Tenascin-C contains distinct adhesive, anti-adhesive, and neurite outgrowth promoting sites for neurons . . . . . . 681 I. Dunia and J. J. Smit and M. A. van der Valk and H. Bloemendal and P. Borst and E. L. Benedetti Human multidrug resistance 3-P-glycoprotein expression in transgenic mice induces lens membrane alterations leading to cataract . . . . 701 G. Weskamp and J. Krätzschmar and M. S. Reid and C. P. Blobel MDC9, a widely expressed cellular disintegrin containing cytoplasmic SH3 ligand domains . . . . . . . . . . . . . 717 Y. Xia and S. G. Gil and W. G. Carter Anchorage mediated by integrin alpha6beta4 to laminin 5 (epiligrin) regulates tyrosine phosphorylation of a membrane-associated 80-kD protein . . . 727 C. Sundberg and K. Rubin Stimulation of beta1 integrins on fibroblasts induces PDGF independent tyrosine phosphorylation of PDGF beta-receptors . . . . . . . . . . . . . 741
S. K. Sapperstein and V. V. Lupashin and H. D. Schmitt and M. G. Waters Assembly of the ER to Golgi SNARE complex requires Uso1p . . . . . . . . . 755 J. N. Glickman and P. A. Morton and J. W. Slot and S. Kornfeld and H. J. Geuze The biogenesis of the MHC class II compartment in human I-cell disease B lymphoblasts . . . . . . . . . . . . . . 769 Z. Xu and W. Wickner Thioredoxin is required for vacuole inheritance in \bionameSaccharomyces cerevisiae . . . . . . . . . . . . . . . 787 M. M. Sauter and A. Pelchen-Matthews and R. Bron and M. Marsh and C. C. LaBranche and P. J. Vance and J. Romano and B. S. Haggarty and T. K. Hart and W. M. Lee and J. A. Hoxie An internalization signal in the simian immunodeficiency virus transmembrane protein cytoplasmic domain modulates expression of envelope glycoproteins on the cell surface . . . . . . . . . . . . 795 P. van der Bijl and M. Lopes-Cardozo and G. van Meer Sorting of newly synthesized galactosphingolipids to the two surface domains of epithelial cells . . . . . . 813 K. M. Marr and D. N. Mastronarde and M. K. Lyon Two-dimensional crystals of photosystem II: biochemical characterization, cryoelectron microscopy and localization of the D1 and cytochrome b559 polypeptides . . . . . . . . . . . . . . 823 G. M. Benian and T. L. Tinley and X. Tang and M. Borodovsky The \bionameCaenorhabditis elegans gene unc-89, required fpr muscle M-line assembly, encodes a giant modular protein composed of Ig and signal transduction domains . . . . . . . . . . 835 L. Li and J. M. Miano and B. Mercer and E. N. Olson Expression of the SM22alpha promoter in transgenic mice provides evidence for distinct transcriptional regulatory programs in vascular and visceral smooth muscle cells . . . . . . . . . . . . . . 849 J. A. Waddle and T. S. Karpova and R. H. Waterston and J. A. Cooper Movement of cortical actin patches in yeast . . . . . . . . . . . . . . . . . 861 H. Abe and T. Obinata and L. S. Minamide and J. R. Bamburg \bionameXenopus laevis actin-depolymerizing factor/cofilin: a phosphorylation-regulated protein essential for development . . . . . . . 871 A. D. Donaldson and J. V. Kilmartin Spc42p: a phosphorylated component of the S. cerevisiae spindle pole body (SPD) with an essential function during SPB duplication . . . . . . . . . . . . 887 D. B. Friedman and H. A. Sundberg and E. Y. Huang and T. N. Davis The 110-kD spindle pole body component of \bionameSaccharomyces cerevisiae is a phosphoprotein that is modified in a cell cycle-dependent manner . . . . . . 903 T. Kono and K. T. Jones and A. Bos-Mikich and D. G. Whittingham and J. Carroll A cell cycle-associated change in Ca$^{2+}$ releasing activity leads to the generation of Ca$^{2+}$ transients in mouse embryos during the first mitotic division . . . . . . . . . . . . 915 R. M. Porter and S. Leitgeb and D. W. Melton and O. Swensson and R. A. Eady and T. M. Magin Gene targeting at the mouse cytokeratin 10 locus: severe skin fragility and changes of cytokeratin expression in the epidermis . . . . . . . . . . . . . . . 925 M. Ferns and M. Deiner and Z. Hall Agrin-induced acetylcholine receptor clustering in mammalian muscle requires tyrosine phosphorylation . . . . . . . . 937 A. H. Ross and M. C. Daou and C. A. McKinnon and P. J. Condon and M. B. Lachyankar and R. M. Stephens and D. R. Kaplan and D. E. Wolf The neurotrophin receptor, gp75, forms a complex with the receptor tyrosine kinase TrkA . . . . . . . . . . . . . . 945 H. Okazawa and J. Shimizu and M. Kamei and I. Imafuku and H. Hamada and I. Kanazawa Bcl-2 inhibits retinoic acid-induced apoptosis during the neural differentiation of embryonal stem cells 955 V. F. Rafuse and L. Landmesser Contractile activity regulates isoform expression and polysialylation of NCAM in cultured myotubes: involvement of Ca$^{2+}$ and protein kinase C . . . . . 969
S. L. Harris and M. G. Waters Localization of a yeast early Golgi mannosyltransferase, Och1p, involves retrograde transport . . . . . . . . . . 985 M. N. Oda and S. V. Scott and A. Hefner-Gravink and A. D. Caffarelli and D. J. Klionsky Identification of a cytoplasm to vacuole targeting determinant in aminopeptidase I . . . . . . . . . . . . . . . . . . . 999 C. E. Futter and A. Pearse and L. J. Hewlett and C. R. Hopkins Multivesicular endosomes containing internalized EGF--EGF receptor complexes mature and then fuse directly with lysosomes . . . . . . . . . . . . . . . 1011 F. Santini and J. H. Keen Endocytosis of activated receptors and clathrin-coated pit formation: deciphering the chicken or egg relationship . . . . . . . . . . . . . . 1025 T. Fukushima and T. K. Waddell and S. Grinstein and G. G. Goss and J. Orlowski and G. P. Downey Na$^+$ /H$^+$ exchange activity during phagocytosis in human neutrophils: role of Fcgamma receptors and tyrosine kinases . . . . . . . . . . . . . . . . 1037 E. M. Ostap and T. D. Pollard Biochemical kinetic characterization of the Acanthamoeba myosin--I ATPase . . . 1053 C. D. Myers and P. Y. Goh and T. S. Allen and E. A. Bucher and T. Bogaert Developmental genetic analysis of troponin T mutations in striated and nonstriated muscle cells of \bionameCaenorhabditis elegans . . . . . 1061 C. E. Creutz and S. L. Snyder and S. N. Daigle and J. Redick Identification, localization, and functional implications of an abundant nematode annexin . . . . . . . . . . . . 1079 A. Khodjakov and R. W. Cole and A. S. Bajer and C. L. Rieder The force for poleward chromosome motion in Haemanthus cells acts along the length of the chromosome during metaphase but only at the kinetochore during anaphase . . . . . . . . . . . . 1093 F. Fagotto and N. Funayama and U. Gluck and B. M. Gumbiner Binding to cadherins antagonizes the signaling activity of beta-catenin during axis formation in \bionameXenopus 1105 I. Fialka and H. Schwarz and E. Reichmann and M. Oft and M. Busslinger and H. Beug The estrogen-dependent c--JunER protein causes a reversible loss of mammary epithelial cell polarity involving a destabilization of adherens junctions 1115 G. D. Block and J. Locker and W. C. Bowen and B. E. Petersen and S. Katyal and S. C. Strom and T. Riley and T. A. Howard and G. K. Michalopoulos Population expansion, clonal growth, and specific differentiation patterns in primary cultures of hepatocytes induced by HGF/SF, EGF and TGF alpha in a chemically defined (HGM) medium . . . . 1133 K. Hannon and A. J. Kudla and M. J. McAvoy and K. L. Clase and B. B. Olwin Differentially expressed fibroblast growth factors regulate skeletal muscle development through autocrine and paracrine mechanisms . . . . . . . . . . 1151 J. Wada and A. Kumar and Z. Liu and E. Ruoslahti and L. Reichardt and J. Marvaldi and Y. S. Kanwar Cloning of mouse integrin alphaV cDNA and role of the alphaV-related matrix receptors in metanephric development . . 1161 P. Koolwijk and M. G. van Erck and W. J. de Vree and M. A. Vermeer and H. A. Weich and R. Hanemaaijer and V. W. van Hinsbergh Cooperative effect of TNFalpha, bFGF, and VEGF on the formation of tubular structures of human microvascular endothelial cells in a fibrin matrix. Role of urokinase activity . . . . . . . 1177 M. F. Champliaud and G. P. Lunstrum and P. Rousselle and T. Nishiyama and D. R. Keene and R. E. Burgeson Human amnion contains a novel laminin variant, laminin 7, which like laminin 6, covalently associates with laminin 5 to promote stable epithelial-stromal attachment . . . . . . . . . . . . . . . 1189 A. Bartolazzi and A. Nocks and A. Aruffo and F. Spring and I. Stamenkovic Glycosylation of CD44 is implicated in CD44-mediated cell adhesion to hyaluronan . . . . . . . . . . . . . . . 1199 C. S. Lebakken and A. C. Rapraeger Syndecan-1 mediates cell spreading in transfected human lymphoblastoid (Raji) cells . . . . . . . . . . . . . . . . . 1209
J. M. Scholey Kinesin-II, a membrane traffic motor in axons, axonemes, and spindles . . . . . 1 N. Visa and E. Izaurralde and J. Ferreira and B. Daneholt and I. W. Mattaj A nuclear cap-binding complex binds Balbiani ring pre-mRNA cotranscriptionally and accompanies the ribonucleoprotein particle during nuclear export . . . . . . . . . . . . . 5 K. N. Burger and P. van der Bijl and G. van Meer Topology of sphingolipid galactosyltransferases in ER and Golgi: transbilayer movement of monohexosyl sphingolipids is required for higher glycosphingolipid biosynthesis . . . . . 15 F. Aniento and F. Gu and R. G. Parton and J. Gruenberg An endosomal beta COP is involved in the pH-dependent formation of transport vesicles destined for late endosomes . . 29 Y. Ando-Akatsuka and M. Saitou and T. Hirase and M. Kishi and A. Sakakibara and M. Itoh and S. Yonemura and M. Furuse and S. Tsukita Interspecies diversity of the occludin sequence: cDNA cloning of human, mouse, dog, and rat-kangaroo homologues . . . . 43 W. L. Zeile and D. L. Purich and F. S. Southwick Recognition of two classes of oligoproline sequences in profilin-mediated acceleration of actin-based Shigella motility . . . . . 49 L. G. Tilney and M. S. Tilney and G. M. Guild Formation of actin filament bundles in the ring canals of developing \bionameDrosophila follicles . . . . . . 61 W. A. Wells and A. W. Murray Aberrantly segregating centromeres activate the spindle assembly checkpoint in budding yeast . . . . . . . . . . . . 75 A. Yamamoto and V. Guacci and D. Koshland Pds1p is required for faithful execution of anaphase in the yeast, \bionameSaccharomyces cerevisiae . . . . 85 A. Yamamoto and V. Guacci and D. Koshland Pds1p, an inhibitor of anaphase in budding yeast, plays a critical role in the APC and checkpoint pathway(s) . . . 99 H. A. Sundberg and L. Goetsch and B. Byers and T. N. Davis Role of calmodulin and Spc110p interaction in the proper assembly of spindle pole body compenents . . . . . . 111 M. Dogterom and M. A. Félix and C. C. Guet and S. Leibler Influence of M-phase chromatin on the anisotropy of microtubule asters . . . . 125 Y. Takai and M. Ogawara and Y. Tomono and C. Moritoh and S. Imajoh-Ohmi and O. Tsutsumi and Y. Taketani and M. Inagaki Mitosis-specific phosphorylation of vimentin by protein kinase C coupled with reorganization of intracellular membranes . . . . . . . . . . . . . . . 141 W. Yu and M. J. Schwei and P. W. Baas Microtubule transport and assembly during axon growth . . . . . . . . . . . 151 A. Saada and F. Reichert and S. Rotshenker Granulocyte macrophage colony stimulating factor produced in lesioned peripheral nerves induces the up-regulation of cell surface expression of MAC-2 by macrophages and Schwann cells . . . . . . . . . . . . . . . . . 159 S. K. Sastry and M. Lakonishok and D. A. Thomas and J. Muschler and A. F. Horwitz Integrin alpha subunit ratios, cytoplasmic domains, and growth factor synergy regulate muscle proliferation and differentiation . . . . . . . . . . 169 J. T. Vilquin and I. Kinoshita and B. Roy and M. Goulet and E. Engvall and F. Tomé and M. Fardeau and J. P. Tremblay Partial laminin alpha2 chain restoration in alpha2 chain-deficient dy/dy mouse by primary muscle cell culture transplantation . . . . . . . . . . . . 185 I. Simcha and B. Geiger and S. Yehuda-Levenberg and D. Salomon and A. Ben-Ze'ev Suppression of tumorigenicity by plakoglobin: an augmenting effect of N-cadherin . . . . . . . . . . . . . . . 199 R. P. Huang and J. X. Wu and Y. Fan and E. D. Adamson UV activates growth factor receptors via reactive oxygen intermediates . . . . . 211
E. M. Ostap and T. D. Pollard Overlapping functions of myosin--I isoforms? . . . . . . . . . . . . . . . 221 P. Jordan and M. Mannervik and L. Tora and M. Carmo-Fonseca In vivo evidence that TATA-binding protein/SL1 colocalizes with UBF and RNA polymerase I when rRNA synthesis is either active or inactive . . . . . . . 225 P. Roussel and C. André and L. Comai and D. Hernandez-Verdun The rDNA transcription machinery is assembled during mitosis in active NORs and absent in inactive NORs . . . . . . 235 T. Yoshimori and P. Keller and M. G. Roth and K. Simons Different biosynthetic transport routes to the plasma membrane in BHK and CHO cells . . . . . . . . . . . . . . . . . 247 P. E. Scherer and G. Z. Lederkremer and S. Williams and M. Fogliano and G. Baldini and H. F. Lodish Cab45, a novel (Ca$^{2+}$)-binding protein localized to the Golgi lumen . . 257 J. M. Dyer and J. A. McNew and J. M. Goodman The sorting sequence of the peroxisomal integral membrane protein PMP47 is contained within a short hydrophilic loop . . . . . . . . . . . . . . . . . . 269 P. A. Warmerdam and E. O. Long and P. A. Roche Isoforms of the invariant chain regulate transport of MHC class II molecules to antigen processing compartments . . . . 281 J. R. Sevinsky and L. V. Rao and W. Ruf Ligand-induced protease receptor translocation into caveolae: a mechanism for regulating cell surface proteolysis of the tissue factor-dependent coagulation pathway . . . . . . . . . . 293 G. Jung and X. Wu and J. A. Hammer \bionameDictyostelium mutants lacking multiple classic myosin I isoforms reveal combinations of shared and distinct functions . . . . . . . . . . . 305 Y. Liu and R. N. Kitsis Induction of DNA synthesis and apoptosis in cardiac myocytes by E1A oncoprotein 325 L. E. French and M. Hahne and I. Viard and G. Radlgruber and R. Zanone and K. Becker and C. Müller and J. Tschopp Fas and Fas ligand in embryos and adult mice: ligand expression in several immune-privileged tissues and coexpression in adult tissues characterized by apoptotic cell turnover 335 J. Liao and M. B. Omary 14-3-3 proteins associate with phosphorylated simple epithelial keratins during cell cycle progression and act as a solubility cofactor . . . . 345 N. A. Chitaev and R. E. Leube and R. B. Troyanovsky and L. G. Eshkind and W. W. Franke and S. M. Troyanovsky The binding of plakoglobin to desmosomal cadherins: patterns of binding sites and topogenic potential . . . . . . . . . . 359 G. Piperno and K. Mead and S. Henderson Inner dynein arms but not outer dynein arms require the activity of kinesin homologue protein KHP1(FLA10) to reach the distal part of flagella in Chlamydomonas . . . . . . . . . . . . . 371 R. Ramanathan and M. F. Wilkemeyer and B. Mittal and G. Perides and M. E. Charness Alcohol inhibits cell--cell adhesion mediated by human L1 . . . . . . . . . . 381 X. Zhu and M. Ohtsubo and R. M. Böhmer and J. M. Roberts and R. K. Assoian Adhesion-dependent cell cycle progression linked to the expression of cyclin D1, activation of cyclin E-cdk2, and phosphorylation of the retinoblastoma protein . . . . . . . . . 391 R. Steinfeld and H. Van Den Berghe and G. David Stimulation of fibroblast growth factor receptor-1 occupancy and signaling by cell surface-associated syndecans and glypican . . . . . . . . . . . . . . . . 405 A. De Arcangelis and P. Neuville and R. Boukamel and O. Lefebvre and M. Kedinger and P. Simon-Assmann Inhibition of laminin alpha $1$-chain expression leads to alteration of basement membrane assembly and cell differentiation . . . . . . . . . . . . 417 D. C. Hocking and R. K. Smith and P. J. McKeown-Longo A novel role for the integrin-binding III-10 module in fibronectin matrix assembly . . . . . . . . . . . . . . . . 431 M. Yoshida and W. F. Westlin and N. Wang and D. E. Ingber and A. Rosenzweig and N. Resnick and M. A. Gimbrone Leukocyte adhesion to vascular endothelium induces E-selectin linkage to the actin cytoskeleton . . . . . . . 445 C. Shukunami and C. Shigeno and T. Atsumi and K. Ishizeki and F. Suzuki and Y. Hiraki Chondrogenic differentiation of clonal mouse embryonic cell line ATDC5 in vitro: differentiation-dependent gene expression of parathyroid hormone (PTH)/PTH-related peptide receptor . . . 457 M. Satoh and K. Hirayoshi and S. Yokota and N. Hosokawa and K. Nagata Intracellular interaction of collagen-specific stress protein HSP47 with newly synthesized procollagen . . . 469
I. Palacios and K. Weis and C. Klebe and I. W. Mattaj and C. Dingwall RAN\slash TC4 mutants identify a common requirement for snRNP and protein import into the nucleus . . . . . . . . . . . . 485 A. Verschoor and S. Srivastava and R. Grassucci and J. Frank Native $3$D structure of eukaryotic 80s ribosome: morphological homology with \bionameE. coli 70S ribosome . . . . . . 495 M. Nagahama and L. Orci and M. Ravazzola and M. Amherdt and L. Lacomis and P. Tempst and J. E. Rothman and T. H. Söllner A v--SNARE implicated in intra-Golgi transport . . . . . . . . . . . . . . . 507 P. S. Kim and O. Y. Kwon and P. Arvan An endoplasmic reticulum storage disease causing congenital goiter with hypothyroidism . . . . . . . . . . . . . 517 A. A. Cooper and T. H. Stevens Vps10p cycles between the late-Golgi and prevacuolar compartments in its function as the sorting receptor for multiple yeast vacuolar hydrolases . . . . . . . 529 A. Müsch and H. Xu and D. Shields and E. Rodriguez-Boulan Transport of vesicular stomatitis virus G protein to the cell surface is signal mediated in polarized and nonpolarized cells . . . . . . . . . . . . . . . . . 543 T. Danieli and S. L. Pelletier and Y. I. Henis and J. M. White Membrane fusion mediated by the influenza virus hemagglutinin requires the concerted action of at least three hemagglutinin trimers . . . . . . . . . 559 J. P. Schroeter and J. P. Bretaudiere and R. L. Sass and M. A. Goldstein Three-dimensional structure of the Z band in a normal mammalian skeletal muscle . . . . . . . . . . . . . . . . . 571 J. Niclas and V. J. Allan and R. D. Vale Cell cycle regulation of dynein association with membranes modulates microtubule-based organelle transport 585 H. Wein and M. Foss and B. Brady and W. Z. Cande DSK1, a novel kinesin-related protein from the diatom Cylindrotheca fusiformis that is involved in anaphase spindle elongation . . . . . . . . . . . . . . . 595 C. M. Field and O. al-Awar and J. Rosenblatt and M. L. Wong and B. Alberts and T. J. Mitchison A purified \bionameDrosophila septin complex forms filaments and exhibits GTPase activity . . . . . . . . . . . . 605 A. M. Murphy and D. J. Montell Cell type-specific roles for Cdc42, Rac, and RhoL in \bionameDrosophila oogenesis 617 I. Neveu and E. Arenas Neurotrophins promote the survival and development of neurons in the cerebellum of hypothyroid rats in vivo . . . . . . 631 R. R. Dubreuil and G. MacVicar and S. Dissanayake and C. Liu and D. Homer and M. Hortsch Neuroglian-mediated cell adhesion induces assembly of the membrane skeleton at cell contact sites . . . . . 647 A. P. DeBernardo and S. Chang Heterophilic interactions of DM--GRASP: GRASP--NgCAM interactions involved in neurite extension . . . . . . . . . . . 657 Y. Kanai and M. Kanai-Azuma and T. Noce and T. C. Saido and T. Shiroishi and Y. Hayashi and K. Yazaki Identification of two Sox17 messenger RNA isoforms, with and without the high mobility group box region, and their differential expression in mouse spermatogenesis . . . . . . . . . . . . 667 P. L. James and C. E. Stewart and P. Rotwein Insulin-like growth factor binding protein-5 modulates muscle differentiation through an insulin-like growth factor-dependent mechanism . . . 683 G. M. Zinkl and A. Zuk and P. van der Bijl and G. van Meer and K. S. Matlin An antiglycolipid antibody inhibits Madin--Darby canine kidney cell adhesion to laminin and interferes with basolateral polarization and tight junction formation . . . . . . . . . . . 695 R. H. Schwall and L. Y. Chang and P. J. Godowski and D. W. Kahn and K. J. Hillan and K. D. Bauer and T. F. Zioncheck Heparin induces dimerization and confers proliferative activity onto the hepatocyte growth factor antagonists NK1 and NK2 . . . . . . . . . . . . . . . . 709
S. Huang and D. L. Spector Intron-dependent recruitment of pre-mRNA splicing factors to sites of transcription . . . . . . . . . . . . . 719 T. Sakaguchi and G. P. Leser and R. A. Lamb The ion channel activity of the influenza virus M2 protein affects transport through the Golgi apparatus 733 F. Simpson and N. A. Bright and M. A. West and L. S. Newman and R. B. Darnell and M. S. Robinson A novel adaptor-related protein complex 749 J. R. Henley and M. A. McNiven Association of a dynamin-like protein with the Golgi apparatus in mammalian cells . . . . . . . . . . . . . . . . . 761 I. V. Majoul and P. I. Bastiaens and H. D. Söling Transport of an external Lys--Asp--Glu--Leu (KDEL) protein from the plasma membrane to the endoplasmic reticulum: studies with cholera toxin in Vero cells . . . . . . . . . . . . . . . 777 M. Deckert and M. Ticchioni and A. Bernard Endocytosis of GPI-anchored proteins in human lymphocytes: role of glycolipid-based domains, actin cytoskeleton, and protein kinases . . . 791 P. Lupetti and J. E. Heuser and R. Manetti and P. Massari and S. Lanzavecchia and P. L. Bellon and R. Dallai and R. Rappuoli and J. L. Telford Oligomeric and subunit structure of the Helicobacter pylori vacuolating cytotoxin . . . . . . . . . . . . . . . 801 G. W. Moy and L. M. Mendoza and J. R. Schulz and W. J. Swanson and C. G. Glabe and V. D. Vacquier The sea urchin sperm receptor for egg jelly is a modular protein with extensive homology to the human polycystic kidney disease protein, PKD1 809 P. Devarajan and P. R. Stabach and A. S. Mann and T. Ardito and M. Kashgarian and J. S. Morrow Identification of a small cytoplasmic ankyrin (AnkG119) in the kidney and muscle that binds beta I sigma spectrin and associates with the Golgi apparatus 819 E. A. Vaisberg and P. M. Grissom and J. R. McIntosh Mammalian cells express three distinct dynein heavy chains that are localized to different cytoplasmic organelles . . 831 B. M. McCartney and R. G. Fehon Distinct cellular and subcellular patterns of expression imply distinct functions for the \bionameDrosophila homologues of moesin and the neurofibromatosis 2 tumor suppressor, merlin . . . . . . . . . . . . . . . . . 843 M. Galou and E. Colucci-Guyon and D. Ensergueix and J. L. Ridet and M. Gimenez y Ribotta and A. Privat and C. Babinet and P. Dupouey Disrupted glial fibrillary acidic protein network in astrocytes from vimentin knockout mice . . . . . . . . . 853 Y. Matsui and R. Matsui and R. Akada and A. Toh-e Yeast src homology region 3 domain-binding proteins involved in bud formation . . . . . . . . . . . . . . . 865 L. Bender and H. S. Lo and H. Lee and V. Kokojan and V. Peterson and A. Bender Associations among PH and SH3 domain-containing proteins and Rho-type GTPases in Yeast . . . . . . . . . . . . 879 C. A. Lowell and L. Fumagalli and G. Berton Deficiency of Src family kinases p59/61hck and p58c-fgr results in defective adhesion-dependent neutrophil functions . . . . . . . . . . . . . . . 895 R. N. Knibbs and R. A. Craig and S. Natsuka and A. Chang and M. Cameron and J. B. Lowe and L. M. Stoolman The fucosyltransferase FucT--VII regulates E-selectin ligand synthesis in human T cells . . . . . . . . . . . . . 911 X. Z. Huang and J. F. Wu and D. Cass and D. J. Erle and D. Corry and S. G. Young and R. V. Farese and D. Sheppard Inactivation of the integrin beta 6 subunit gene reveals a role of epithelial integrins in regulating inflammation in the lung and skin . . . 921
G. Baurén and W. Q. Jiang and K. Bernholm and F. Gu and L. Wieslander Demonstration of a dynamic, transcription-dependent organization of pre-mRNA splicing factors in polytene nuclei . . . . . . . . . . . . . . . . . 929 Y. N. Osheim and E. B. Mougey and J. Windle and M. Anderson and M. O'Reilly and O. L. Miller and A. Beyer and B. Sollner-Webb Metazoan rDNA enhancer acts by making more genes transcriptionally active . . 943 J. Fang and R. M. Benbow Nuclear proteins of quiescent \bionameXenopus laevis cells inhibit DNA replication in intact and permeabilized nuclei . . . . . . . . . . . . . . . . . 955 D. J. Sweet and L. Gerace A GTPase distinct from Ran is involved in nuclear protein import . . . . . . . 971 K. L. Carey and S. A. Richards and K. M. Lounsbury and I. G. Macara Evidence using a green fluorescent protein-glucocorticoid receptor chimera that the Ran/TC4 GTPase mediates an essential function independent of nuclear protein import . . . . . . . . . 985 M. H. Cardone and B. L. Smith and P. A. Mennitt and D. Mochly-Rosen and R. B. Silver and K. E. Mostov Signal transduction by the polymeric immunoglobulin receptor suggests a role in regulation of receptor transcytosis 997 L. K. Timson Gauen and M. E. Linder and A. S. Shaw Multiple features of the p59fyn src homology 4 domain define a motif for immune-receptor tyrosine-based activation motif (ITAM) binding and for plasma membrane localization . . . . . . 1007 A. E. Cleves and D. N. Cooper and S. H. Barondes and R. B. Kelly A new pathway for protein export in \bionameSaccharomyces cerevisiae . . . . 1017 S. P. Denker and J. M. McCaffery and G. E. Palade and P. A. Insel and M. G. Farquhar Differential distribution of alpha subunits and beta gamma subunits of heterotrimeric G proteins on Golgi membranes of the exocrine pancreas . . . 1027 M. D. Jacobsen and M. Weil and M. C. Raff Role of Ced-3/ICE-family proteases in staurosporine-induced programmed cell death . . . . . . . . . . . . . . . . . 1041 M. Weil and M. D. Jacobson and H. S. Coles and T. J. Davies and R. L. Gardner and K. D. Raff and M. C. Raff Constitutive expression of the machinery for programmed cell death . . . . . . . 1053 Z. Xu and J. R. Marszalek and M. K. Lee and P. C. Wong and J. Folmer and T. O. Crawford and S. T. Hsieh and J. W. Griffin and D. W. Cleveland Subunit composition of neurofilaments specifies axonal diameter . . . . . . . 1061 C. C. Lai and K. Hong and M. Kinnell and M. Chalfie and M. Driscoll Sequence and transmembrane topology of MEC-4, an ion channel subunit required for mechanotransduction in \bionameCaenorhabditis elegans . . . . . 1071 C. Kretz-Remy and P. Mehlen and M. E. Mirault and A. P. Arrigo Inhibition of I kappa B-alpha phosphorylation and degradation and subsequent NF-kappa B activation by glutathione peroxidase overexpression 1083 M. Sachs and K. M. Weidner and V. Brinkmann and I. Walther and A. Obermeier and A. Ullrich and W. Birchmeier Motogenic and morphogenic activity of epithelial receptor tyrosine kinases . . 1095 P. Lastres and A. Letamendía and H. Zhang and C. Rius and N. Almendro and U. Raab and L. A. López and C. Langa and A. Fabra and M. Letarte and C. Bernabéu Endoglin modulates cellular responses to TGF-beta 1 . . . . . . . . . . . . . . . 1109 M. A. Torres and J. A. Yang-Snyder and S. M. Purcell and A. A. DeMarais and L. L. McGrew and R. T. Moon Activities of the Wnt-1 class of secreted signaling factors are antagonized by the Wnt-5A class and by a dominant negative cadherin in early \bionameXenopus development . . . . . . 1123
U. Zabel and V. Doye and H. Tekotte and R. Wepf and P. Grandi and E. C. Hurt Nic96p is required for nuclear pore formation and functionally interacts with a novel nucleoporin, Nup188p . . . 1141 U. Nehrbass and M. P. Rout and S. Maguire and G. Blobel and R. W. Wozniak The yeast nucleoporin Nup188p interacts genetically and physically with the core structures of the nuclear pore complex 1153 D. M. Koepp and D. H. Wong and A. H. Corbett and P. A. Silver Dynamic localization of the nuclear import receptor and its interactions with transport factors . . . . . . . . . 1163 R. A. Chavez and S. G. Miller and H. P. Moore A biosynthetic regulated secretory pathway in constitutive secretory cells 1177 K. Geering and A. Beggah and P. Good and S. Girardet and S. Roy and D. Schaer and P. Jaunin Oligomerization and maturation of Na,K--ATPase: functional interaction of the cytoplasmic NH2 terminus of the beta subunit with the alpha subunit . . . . . 1193 H. Krämer and M. Phistry Mutations in the \bionameDrosophila hook gene inhibit endocytosis of the boss transmembrane ligand into multivesicular bodies . . . . . . . . . . . . . . . . . 1205 S. Chasserot-Golaz and N. Vitale and I. Sagot and B. Delouche and S. Dirrig and L. A. Pradel and J. P. Henry and D. Aunis and M. F. Bader Annexin II in exocytosis: catecholamine secretion requires the translocation of p36 to the subplasmalemmal region in chromaffin cells . . . . . . . . . . . . 1217 K. Takei and O. Mundigl and L. Daniell and P. De Camilli The synaptic vesicle cycle: a single vesicle budding step involving clathrin and dynamin . . . . . . . . . . . . . . 1237 S. Aubert and E. Gout and R. Bligny and D. Marty-Mazars and F. Barrieu and J. Alabouvette and F. Marty and R. Douce Ultrastructural and biochemical characterization of autophagy in higher plant cells subjected to carbon deprivation: control by the supply of mitochondria with respiratory substrates 1251 L. A. Hannan and M. Edidin Traffic, polarity, and detergent solubility of a glycosylphosphatidylinositol-anchored protein after LDL-deprivation of MDCK cells . . . . . . . . . . . . . . . . . 1265 H. V. Goodson and B. L. Anderson and H. M. Warrick and L. A. Pon and J. A. Spudich Synthetic lethality screen identifies a novel yeast myosin I gene (MYO5): myosin I proteins are required for polarization of the actin cytoskeleton . . . . . . . 1277 R. Hopmann and J. A. Cooper and K. G. Miller Actin organization, bristle morphology, and viability are affected by actin capping protein mutations in \bionameDrosophila . . . . . . . . . . . 1293 K. Song and K. E. Mach and C. Y. Chen and T. Reynolds and C. F. Albright A novel suppressor of ras1 in fission yeast, byr4, is a dosage-dependent inhibitor of cytokinesis . . . . . . . . 1307 D. A. Larochelle and K. K. Vithalani and A. De Lozanne A novel member of the rho family of small GTP-binding proteins is specifically required for cytokinesis 1321 S. Biggins and I. Ivanovska and M. D. Rose Yeast ubiquitin-like genes are involved in duplication of the microtubule organizing center . . . . . . . . . . . 1331 T. Funakoshi and S. Takeda and N. Hirokawa Active transport of photoactivated tubulin molecules in growing axons revealed by a new electron microscopic analysis . . . . . . . . . . . . . . . . 1347 K. E. Miller and H. C. Joshi Tubulin transport in neurons . . . . . . 1355 E. Allen and Q. C. Yu and E. Fuchs Mice expressing a mutant desmosomal cadherin exhibit abnormalities in desmosomes, proliferation, and epidermal differentiation . . . . . . . . . . . . 1367 G. Di Paolo and V. Pellier and M. Catsicas and B. Antonsson and S. Catsicas and G. Grenningloh The phosphoprotein stathmin is essential for nerve growth factor-stimulated differentiation . . . . . . . . . . . . 1383 N. Demaurex and G. P. Downey and T. K. Waddell and S. Grinstein Intracellular pH regulation during spreading of human neutrophils . . . . . 1391 M. Chrzanowska-Wodnicka and K. Burridge Rho-stimulated contractility drives the formation of stress fibers and focal adhesions . . . . . . . . . . . . . . . 1403
S. Henderson and R. Allsopp and D. Spector and S. S. Wang and C. Harley In situ analysis of changes in telomere size during replicative aging and cell transformation . . . . . . . . . . . . . 1 S. Grimm and M. K. Bauer and P. A. Baeuerle and K. Schulze-Osthoff Bcl-2 down-regulates the activity of transcription factor NF-kappaB induced upon apoptosis . . . . . . . . . . . . . 13 S. Voigt and B. Jungnickel and E. Hartmann and T. A. Rapoport Signal sequence-dependent function of the TRAM protein during early phases of protein transport across the endoplasmic reticulum membrane . . . . . . . . . . . 25 Y. Sakai and A. Saiganji and H. Yurimoto and K. Takabe and H. Saiki and N. Kato The absence of Pmp47, a putative yeast peroxisomal transporter, causes a defect in transport and folding of a specific matrix enzyme . . . . . . . . . . . . . 37 J. Q. Xu and B. A. Harder and P. Uman and R. Craig Myosin filament structure in vertebrate smooth muscle . . . . . . . . . . . . . 53 L. Rònnov-Jessen and O. W. Petersen A function for filamentous alpha-smooth muscle actin: retardation of motility in fibroblasts . . . . . . . . . . . . . . 67 M. Maroto and J. Arredondo and D. Goulding and R. Marco and B. Bullard and M. Cervera Drosophila paramyosin/miniparamyosin gene products show a large diversity in quantity, localization, and isoform pattern: a possible role in muscle maturation and function . . . . . . . . 81 J. A. Rafael and G. A. Cox and K. Corrado and D. Jung and K. P. Campbell and J. S. Chamberlain Forced expression of dystrophin deletion constructs reveals structure-function correlations . . . . . . . . . . . . . . 93 A. Debec and R. F. Kalpin and D. R. Daily and P. D. McCallum and W. F. Rothwell and W. Sullivan Live analysis of free centrosomes in normal and aphidicolin-treated \bionameDrosophila embryos . . . . . . . 103 V. Moreau and A. Madania and R. P. Martin and B. Winson The \bionameSaccharomyces cerevisiae actin-related protein Arp2 is involved in the actin cytoskeleton . . . . . . . 117 R. T. Cox and C. Kirkpatrick and M. Peifer Armadillo is required for adherens junction assembly, cell polarity, and morphogenesis during \bionameDrosophila embryogenesis . . . . . . . . . . . . . 133 H. A. Müller and E. Wieschaus armadillo, bazooka, and stardust are critical for early stages in formation of the zonula adherens and maintenance of the polarized blastoderm epithelium in \bionameDrosophila . . . . . . . . . 149 I. S. Näthke and C. L. Adams and P. Polakis and J. H. Sellin and W. J. Nelson The adenomatous polyposis coli tumor suppressor protein localizes to plasma membrane sites involved in active cell migration . . . . . . . . . . . . . . . 165 D. B. Constam and M. Calfon and E. J. Robertson SPC4, SPC6, and the novel protease SPC7 are coexpressed with bone morphogenetic proteins at distinct sites during embryogenesis . . . . . . . . . . . . . 181 S. Soddu and G. Blandino and R. Scardigli and S. Coen and A. Marchetti and M. G. Rizzo and G. Bossi and L. Cimino and M. Crescenzi and A. Sacchi Interference with p53 protein inhibits hematopoietic and muscle differentiation 193 M. Igarashi and S. Kozaki and S. Terakawa and S. Kawano and C. Ide and Y. Komiya Growth cone collapse and inhibition of neurite growth by Botulinum neurotoxin C1: a t--SNARE is involved in axonal growth . . . . . . . . . . . . . . . . . 205 M. D. Martin-Bermudo and N. H. Brown Intracellular signals direct integrin localization to sites of function in embryonic muscles . . . . . . . . . . . 217 J. W. Ramos and D. W. DeSimone \bionameXenopus embryonic cell adhesion to fibronectin: position-specific activation of RGD/synergy site-dependent migratory behavior at gastrulation . . . 227 F. Mainiero and A. Pepe and M. Yeon and Y. Ren and F. G. Giancotti The intracellular functions of alpha6beta4 integrin are regulated by EGF . . . . . . . . . . . . . . . . . . 241 J. J. Campbell and S. Qin and K. B. Bacon and C. R. Mackay and E. C. Butcher Biology of chemokine and classical chemoattractant receptors: differential requirements for adhesion-triggering versus chemotactic responses in lymphoid cells . . . . . . . . . . . . . . . . . 255
D. T. Ng and J. D. Brown and P. Walter Signal sequences specify the targeting route to the endoplasmic reticulum membrane . . . . . . . . . . . . . . . . 269 M. Sato and K. Sato and A. Nakano Endoplasmic reticulum localization of Sec12p is achieved by two mechanisms: Rer1p-dependent retrieval that requires the transmembrane domain and Rer1p-independent retention that involves the cytoplasmic domain . . . . 279 N. T. Ktistakis and H. A. Brown and M. G. Waters and P. C. Sternweis and M. G. Roth Evidence that phospholipase D mediates ADP ribosylation factor-dependent formation of Golgi coated vesicles . . . 295 H. M. McBride and I. S. Goping and G. C. Shore The human mitochondrial import receptor, hTom20p, prevents a cryptic matrix targeting sequence from gaining access to the protein translocation machinery 307 Y. Ma and A. Kouranov and S. E. LaSala and D. J. Schnell Two components of the chloroplast protein import apparatus, IAP86 and IAP75, interact with the transit sequence during the recognition and translocation of precursor proteins at the outer envelope . . . . . . . . . . . 315 S. S. Vogel and P. S. Blank and J. Zimmerberg Poisson-distributed active fusion complexes underlie the control of the rate and extent of exocytosis by calcium 329 J. Lazarovits and H. Y. Naim and A. C. Rodriguez and R. H. Wang and E. Fire and C. Bird and Y. I. Henis and M. G. Roth Endocytosis of chimeric influenza virus hemagglutinin proteins that lack a cytoplasmic recognition feature for coated pits . . . . . . . . . . . . . . 339 A. Rodríguez and E. Samoff and M. G. Rioult and A. Chung and N. W. Andrews Host cell invasion by trypanosomes requires lysosomes and microtubule/kinesin-mediated transport 349 M. A. Scidmore and E. R. Fischer and T. Hackstadt Sphingolipids and glycoproteins are differentially trafficked to the \bionameChlamydia trachomatis inclusion 363 J. A. Powell and L. Petherbridge and B. E. Flucher Formation of triads without the dihydropyridine receptor alpha subunits in cell lines from dysgenic skeletal muscle . . . . . . . . . . . . . . . . . 375 K. Barkalow and W. Witke and D. J. Kwiatkowski and J. H. Hartwig Coordinated regulation of platelet actin filament barbed ends by gelsolin and capping protein . . . . . . . . . . . . 389 F. T. van der Loop and G. Schaart and E. D. Timmer and F. C. Ramaekers and G. J. van Eys Smoothelin, a novel cytoskeletal protein specific for smooth muscle cells . . . . 401 S. L. Sanders and I. Herskowitz The BUD4 protein of yeast, required for axial budding, is localized to the mother/BUD neck in a cell cycle-dependent manner . . . . . . . . . 413 A. Spang and S. Geissler and K. Grein and E. Schiebel gamma-Tubulin-like Tub4p of \bionameSaccharomyces cerevisiae is associated with the spindle pole body substructures that organize microtubules and is required for mitotic spindle formation . . . . . . . . . . . . . . . 429 L. G. Marschall and R. L. Jeng and J. Mulholland and T. Stearns Analysis of Tub4p, a yeast gamma-tubulin-like protein: implications for microtubule-organizing center function . . . . . . . . . . . . . . . . 443 H. J. Matthies and H. B. McDonald and L. S. Goldstein and W. E. Theurkauf Anastral meiotic spindle morphogenesis: role of the non-claret disjunctional kinesin-like protein . . . . . . . . . . 455 M. G. Tansey and G. C. Chu and J. P. Merlie ARIA/HRG regulates AChR epsilon subunit gene expression at the neuromuscular synapse via activation of phosphatidylinositol $3$-kinase and Ras/MAPK pathway . . . . . . . . . . . . 465 P. Liesi and J. M. Wright Weaver granule neurons are rescued by calcium channel antagonists and antibodies against a neurite outgrowth domain of the B2 chain of laminin . . . 477 K. M. Albers and T. N. Perrone and T. P. Goodness and M. E. Jones and M. A. Green and B. M. Davis Cutaneous overexpression of NT-3 increases sensory and sympathetic neuron number and enhances touch dome and hair follicle innervation . . . . . . . . . . 487 C. Paillart and J. L. Boudier and J. A. Boudier and H. Rochat and F. Couraud and B. Dargent Activity-induced internalization and rapid degradation of sodium channels in cultured fetal neurons . . . . . . . . . 499 T. Sakurai and R. E. Westenbroek and J. Rettig and J. Hell and W. A. Catterall Biochemical properties and subcellular distribution of the BI and rbA isoforms of alpha 1A subunits of brain calcium channels . . . . . . . . . . . . . . . . 511 P. A. Maher Nuclear Translocation of fibroblast growth factor (FGF) receptors in response to FGF-2 . . . . . . . . . . . 529 T. A. Starich and R. Y. Lee and C. Panzarella and L. Avery and J. E. Shaw eat-5 and unc-7 represent a multigene family in \bionameCaenorhabditis elegans involved in cell--cell coupling . . . . 537 B. Angres and A. Barth and W. J. Nelson Mechanism for transition from initial to stable cell--cell adhesion: kinetic analysis of E-cadherin-mediated adhesion using a quantitative adhesion assay . . 549 J. Dowling and Q. C. Yu and E. Fuchs Beta4 integrin is required for hemidesmosome formation, cell adhesion and cell survival . . . . . . . . . . . 559 J. L. Sechler and Y. Takada and J. E. Schwarzbauer Altered rate of fibronectin matrix assembly by deletion of the first type III repeats . . . . . . . . . . . . . . 573
T. Hu and T. Guan and L. Gerace Molecular and functional characterization of the p62 complex, an assembly of nuclear pore complex glycoproteins . . . . . . . . . . . . . 589 B. Schilke and J. Forster and J. Davis and P. James and W. Walter and S. Laloraya and J. Johnson and B. Miao and E. Craig The cold sensitivity of a mutant of \bionameSaccharomyces cerevisiae lacking a mitochondrial heat shock protein 70 is suppressed by loss of mitochondrial DNA 603 D. Kasper and F. Dittmer and K. von Figura and R. Pohlmann Neither type of mannose $6$-phosphate receptor is sufficient for targeting of lysosomal enzymes along intracellular routes . . . . . . . . . . . . . . . . . 615 S. Martin and J. Tellam and C. Livingstone and J. W. Slot and G. W. Gould and D. E. James The glucose transporter (GLUT-4) and vesicle-associated membrane protein-2 (VAMP-2) are segregated from recycling endosomes in insulin-sensitive cells . . 625 C. Arnoult and Y. Zeng and H. M. Florman ZP3-dependent activation of sperm cation channels regulates acrosomal secretion during mammalian fertilization . . . . . 637 H. Schroeder and R. Leventis and S. Shahinian and P. A. Walton and J. R. Silvius Lipid-modified, cysteinyl-containing peptides of diverse structures are efficiently S-acylated at the plasma membrane of mammalian cells . . . . . . 647 A. F. Roth and N. G. Davis Ubiquitination of the yeast a-factor receptor . . . . . . . . . . . . . . . . 661 C. A. Kelley and J. R. Sellers and D. L. Gard and D. Bui and R. S. Adelstein and I. C. Baines Xenopus nonmuscle myosin heavy chain isoforms have different subcellular localizations and enzymatic activities 675 P. Chen and J. E. Murphy-Ullrich and A. Wells A role for gelsolin in actuating epidermal growth factor receptor-mediated cell motility . . . . 689 K. Iwasaki and J. McCarter and R. Francis and T. Schedl emo-1, a \bionameCaenorhabditis elegans Sec61p gamma homologue, is required for oocyte development and ovulation . . . . 699 C. Ruhrberg and M. A. Hajibagheri and M. Simon and T. P. Dooley and F. M. Watt Envoplakin, a novel precursor of the cornified envelope that has homology to desmoplakin . . . . . . . . . . . . . . 715 N. K. Haass and M. A. Kartenbeck and R. E. Leube Pantophysin is a ubiquitously expressed synaptophysin homologue and defines constitutive transport vesicles . . . . 731 C. Bertolotto and K. Bille and J. P. Ortonne and R. Ballotti Regulation of tyrosinase gene expression by cAMP in B16 melanoma cells involves two CATGTG motifs surrounding the TATA box: implication of the microphthalmia gene product . . . . . . . . . . . . . . 747 E. J. Morris and H. M. Geller Induction of neuronal apoptosis by camptothecin, an inhibitor of DNA topoisomerase--I: evidence for cell cycle-independent toxicity . . . . . . . 757 K. Oritani and P. W. Kincade Identification of stromal cell products that interact with pre--B cells . . . . 771 S. Garfinkel and X. Hu and I. A. Prudovsky and G. A. McMahon and E. M. Kapnik and S. D. McDowell and T. Maciag FGF-$1$-dependent proliferative and migratory responses are impaired in senescent human umbilical vein endothelial cells and correlate with the inability to signal tyrosine phosphorylation of fibroblast growth factor receptor-1 substrates . . . . . . 783 S. M. Frisch and K. Vuori and E. Ruoslahti and P. Y. Chan-Hui Control of adhesion-dependent cell survival by focal adhesion kinase . . . 793 J. Balsamo and T. Leung and H. Ernst and M. K. Zanin and S. Hoffman and J. Lilien Regulated binding of PTP1B-like phosphatase to N-cadherin: control of cadherin-mediated adhesion by dephosphorylation of beta-catenin . . . 801
A. M. Ishov and G. G. Maul The periphery of nuclear domain 10 (ND10) as site of DNA virus deposition 815 K. Reynolds and A. M. Zimmer and A. Zimmer Regulation of RAR beta 2 mRNA expression: evidence for an inhibitory peptide encoded in the 5'-untranslated region . . . . . . . . . . . . . . . . . 827 J. A. Gogos and R. Thompson and W. Lowry and B. F. Sloane and H. Weintraub and M. Horwitz Gene trapping in differentiating cell lines: regulation of the lysosomal protease cathepsin B in skeletal myoblast growth and fusion . . . . . . . 837 P. E. Purdue and P. B. Lazarow Targeting of human catalase to peroxisomes is dependent upon a novel COOH-terminal peroxisomal targeting sequence . . . . . . . . . . . . . . . . 849 M. Kielian and M. R. Klimjack and S. Ghosh and W. A. Duffus Mechanisms of mutations inhibiting fusion and infection by Semliki Forest virus . . . . . . . . . . . . . . . . . 863 K. Corrado and J. A. Rafael and P. L. Mills and N. M. Cole and J. A. Faulkner and K. Wang and J. S. Chamberlain Transgenic mdx mice expressing dystrophin with a deletion in the actin-binding domain display a ``mild Becker'' phenotype . . . . . . . . . . . 873 E. B. Maryon and R. Coronado and P. Anderson unc-68 encodes a ryanodine receptor involved in regulating \bionameC. elegans body-wall muscle contraction . . 885 F. Kinose and S. X. Wang and U. S. Kidambi and C. L. Moncman and D. A. Winkelmann Glycine 699 is pivotal for the motor activity of skeletal muscle myosin . . . 895 A. Dembinsky and H. Rubin and S. Ravid Chemoattractant-mediated increases in cGMP induce changes in \bionameDictyostelium myosin II heavy chain-specific protein kinase C activities . . . . . . . . . . . . . . . 911 C. X. Zhang and M. P. Lee and A. D. Chen and S. D. Brown and T. Hsieh Isolation and characterization of a \bionameDrosophila gene essential for early embryonic development and formation of cortical cleavage furrows 923 H. Radhakrishna and R. D. Klausner and J. G. Donaldson Aluminum fluoride stimulates surface protrusions in cells overexpressing the ARF6 GTPase . . . . . . . . . . . . . . 935 S. Saitoh and K. Takahashi and K. Nabeshima and Y. Yamashita and Y. Nakaseko and A. Hirata and M. Yanagida Aberrant mitosis in fission yeast mutants defective in fatty acid synthetase and acetyl CoA carboxylase 949 P. Jin and Y. Gu and D. O. Morgan Role of inhibitory CDC2 phosphorylation in radiation-induced G2 arrest in human cells . . . . . . . . . . . . . . . . . 963 R. D. Goldman and S. Khuon and Y. H. Chou and P. Opal and P. M. Steinert The function of intermediate filaments in cell shape and cytoskeletal integrity 971 E. A. Bornslaeger and C. M. Corcoran and T. S. Stappenbeck and K. J. Green Breaking the connection: displacement of the desmosomal plaque protein desmoplakin from cell--cell interfaces disrupts anchorage of intermediate filament bundles and alters intercellular junction assembly . . . . 985 B. H. Keon and S. Schäfer and C. Kuhn and C. Grund and W. W. Franke Symplekin, a novel type of tight junction plaque protein . . . . . . . . 1003 H. Li and T. F. Liu and A. Lazrak and C. Peracchia and G. S. Goldberg and P. D. Lampe and R. G. Johnson Properties and regulation of gap junctional hemichannels in the plasma membranes of cultured cells . . . . . . 1019 M. S. Balda and J. A. Whitney and C. Flores and S. González and M. Cereijido and K. Matter Functional dissociation of paracellular permeability and transepithelial electrical resistance and disruption of the apical-basolateral intramembrane diffusion barrier by expression of a mutant tight junction membrane protein 1031 F. Castets and M. Bartoli and J. V. Barnier and G. Baillat and P. Salin and A. Moqrich and J. P. Bourgeois and F. Denizot and G. Rougon and G. Calothy and A. Monneron A novel calmodulin-binding protein, belonging to the WD-repeat family, is localized in dendrites of a subset of CNS neurons . . . . . . . . . . . . . . 1051 C. Weber and R. Alon and B. Moser and T. A. Springer Sequential regulation of alpha 4 beta 1 and alpha 5 beta 1 integrin avidity by CC chemokines in monocytes: implications for transendothelial chemotaxis . . . . 1063 R. A. Clark and R. Alon and T. A. Springer CD44 and hyaluronan-dependent rolling interactions of lymphocytes on tonsillar stroma . . . . . . . . . . . . . . . . . 1075 A. R. Günthert and J. Sträter and U. von Reyher and C. Henne and S. Joos and K. Koretz and G. Moldenhauer and P. H. Krammer and P. Möller Early detachment of colon carcinoma cells during CD95(APO-1/Fas)-mediated apoptosis. I. De-adhesion from hyaluronate by shedding of CD44 . . . . 1089
J. B. Rattner and M. J. Hendzel and C. S. Furbee and M. T. Muller and D. P. Bazett-Jones Topoisomerase II alpha is associated with the mammalian centromere in a cell cycle- and species-specific manner and is required for proper centromere/kinetochore structure . . . . 1097 H. Scherthan and S. Weich and H. Schwegler and C. Heyting and M. Härle and T. Cremer Centromere and telomere movements during early meiotic prophase of mouse and man are associated with the onset of chromosome pairing . . . . . . . . . . . 1109 B. C. Williams and M. Gatti and M. L. Goldberg Bipolar spindle attachments affect redistributions of ZW10, a \bionameDrosophila centromere/kinetochore component required for accurate chromosome segregation . . . . . . . . . . . . . . 1127 R. Bastos and A. Lin and M. Enarson and B. Burke Targeting and function in mRNA export of nuclear pore complex protein Nup153 . . 1141 S. A. Richards and K. M. Lounsbury and K. L. Carey and I. G. Macara A nuclear export signal is essential for the cytosolic localization of the Ran binding protein, RanBP1 . . . . . . . . 1157 E. J. Smart and C. Mineo and R. G. Anderson Clustered folate receptors deliver $5$-methyltetrahydrofolate to cytoplasm of MA104 cells . . . . . . . . . . . . . 1169 B. E. Stronach and S. E. Siegrist and M. C. Beckerle Two muscle-specific LIM proteins in \bionameDrosophila . . . . . . . . . . . 1179 A. M. Sydor and A. L. Su and F. S. Wang and A. Xu and D. G. Jay Talin and vinculin play distinct roles in filopodial motility in the neuronal growth cone . . . . . . . . . . . . . . 1197 K. I. Anderson and Y. L. Wang and J. V. Small Coordination of protrusion and translocation of the keratocyte involves rolling of the cell body . . . . . . . . 1209 T. A. Ryan and L. Li and L. S. Chin and P. Greengard and S. J. Smith Synaptic vesicle recycling in synapsin I knock-out mice . . . . . . . . . . . . . 1219 J. P. Norcott and R. Solari and D. F. Cutler Targeting of P-selectin to two regulated secretory organelles in PC12 cells . . . 1229 T. Imaizumi-Scherrer and D. M. Faust and J. C. Bénichou and R. Hellio and M. C. Weiss Accumulation in fetal muscle and localization to the neuromuscular junction of cAMP-dependent protein kinase A regulatory and catalytic subunits RI alpha and C alpha . . . . . 1241 D. J. Milner and G. Weitzer and D. Tran and A. Bradley and Y. Capetanaki Disruption of muscle architecture and myocardial degeneration in mice lacking desmin . . . . . . . . . . . . . . . . . 1255 Y. S. Tao and R. A. Edwards and B. Tubb and S. Wang and J. Bryan and P. D. McCrea beta-Catenin associates with the actin-bundling protein fascin in a noncadherin complex . . . . . . . . . . 1271 S. Orsulic and M. Peifer An in vivo structure-function study of armadillo, the beta-catenin homologue, reveals both separate and overlapping regions of the protein required for cell adhesion and for wingless signaling . . 1283 J. Xu and M. M. Zutter and S. A. Santoro and R. A. Clark PDGF induction of alpha 2 integrin gene expression is mediated by protein kinase C-zeta . . . . . . . . . . . . . . . . . 1301 F. P. Lindberg and H. D. Gresham and M. I. Reinhold and E. J. Brown Integrin-associated protein immunoglobulin domain is necessary for efficient vitronectin bead binding . . . 1313 J. M. Lewis and D. A. Cheresh and M. A. Schwartz Protein kinase C regulates alpha v beta $5$-dependent cytoskeletal associations and focal adhesion kinase phosphorylation . . . . . . . . . . . . 1323 G. Bou-Gharios and L. A. Garrett and J. Rossert and K. Niederreither and H. Eberspaecher and C. Smith and C. Black and B. Crombrugghe A potent far-upstream enhancer in the mouse pro alpha 2(I) collagen gene regulates expression of reporter genes in transgenic mice . . . . . . . . . . . 1333
J. A. Cooper and D. P. Kiehart Septins may form a ubiquitous family of cytoskeletal filaments . . . . . . . . . 1345 M. Gotta and T. Laroche and A. Formenton and L. Maillet and H. Scherthan and S. M. Gasser The clustering of telomeres and colocalization with Rap1, Sir3, and Sir4 proteins in wild-type \bionameSaccharomyces cerevisiae . . . . 1349 S. Nakielny and G. Dreyfuss The hnRNP C proteins contain a nuclear retention sequence that can override nuclear export signals . . . . . . . . . 1365 M. Schmitt and W. Neupert and T. Langer The molecular chaperone Hsp78 confers compartment-specific thermotolerance to mitochondria . . . . . . . . . . . . . . 1375 J. H. Kim and C. A. Lingwood and D. B. Williams and W. Furuya and M. F. Manolson and S. Grinstein Dynamic measurement of the pH of the Golgi complex in living cells using retrograde transport of the verotoxin receptor . . . . . . . . . . . . . . . . 1387 J. Prestle and K. Pfizenmaier and J. Brenner and F. J. Johannes Protein kinase C mu is located at the Golgi compartment . . . . . . . . . . . 1401 B. Sönnichsen and R. Watson and H. Clausen and T. Misteli and G. Warren Sorting by COP I-coated vesicles under interphase and mitotic conditions . . . 1411 L. Pierini and D. Holowka and B. Baird Fc epsilon RI-mediated association of $6$-micron beads with RBL-2H3 mast cells results in exclusion of signaling proteins from the forming phagosome and abrogation of normal downstream signaling . . . . . . . . . . . . . . . 1427 W. M. Obermann and M. Gautel and F. Steiner and P. F. van der Ven and K. Weber and D. O. Fürst The structure of the sarcomeric M band: localization of defined domains of myomesin, M-protein, and the 250-kD carboxy-terminal region of titin by immunoelectron microscopy . . . . . . . 1441 B. Nikolic and E. Mac Nulty and B. Mir and G. Wiche Basic amino acid residue cluster within nuclear targeting sequence motif is essential for cytoplasmic plectin-vimentin network junctions . . . 1455 D. F. Woods and C. Hough and D. Peel and G. Callaini and P. J. Bryant Dlg protein is required for junction structure, cell polarity, and proliferation control in \bionameDrosophila epithelia . . . . . . 1469 P. H. Vachon and F. Loechel and H. Xu and U. M. Wewer and E. Engvall Merosin and laminin in myogenesis; specific requirement for merosin in myotube stability and survival . . . . . 1483 C. Hagios and M. Koch and J. Spring and M. Chiquet and R. Chiquet-Ehrismann Tenascin-Y: a protein of novel domain structure is secreted by differentiated fibroblasts of muscle connective tissue 1499 G. C. Zondag and W. H. Moolenaar and M. F. Gebbink Lack of association between receptor protein tyrosine phosphatase RPTP mu and cadherins . . . . . . . . . . . . . . . 1513 R. M. Kypta and H. Su and L. F. Reichardt Association between a transmembrane protein tyrosine phosphatase and the cadherin-catenin complex . . . . . . . . 1519 M. H. Wong and M. T. Filbin Dominant-negative effect on adhesion by myelin Po protein truncated in its cytoplasmic domain . . . . . . . . . . . 1531 P. J. Van Haastert and J. D. Bishop and R. H. Gomer The cell density factor CMF regulates the chemoattractant receptor cAR1 in \bionameDictyostelium . . . . . . . . . 1543 A. Huttenlocher and M. H. Ginsberg and A. F. Horwitz Modulation of cell migration by integrin-mediated cytoskeletal linkages and ligand-binding affinity . . . . . . 1551 G. Deng and S. A. Curriden and S. Wang and S. Rosenberg and D. J. Loskutoff Is plasminogen activator inhibitor-1 the molecular switch that governs urokinase receptor-mediated cell adhesion and release? . . . . . . . . . . . . . . . . 1563 N. Tsumaki and T. Kimura and Y. Matsui and K. Nakata and T. Ochi Separable cis-regulatory elements that contribute to tissue- and site-specific alpha 2(XI) collagen gene expression in the embryonic mouse cartilage . . . . . 1573
B. Distel and R. Erdmann and S. J. Gould and G. Blobel and D. I. Crane and J. M. Cregg and G. Dodt and Y. Fujiki and J. M. Goodman and W. W. Just and J. A. Kiel and W. H. Kunau and P. B. Lazarow and G. P. Mannaerts and H. W. Moser and T. Osumi and R. A. Rachubinski and A. Roscher and S. Subramani and H. F. Tabak and T. Tsukamoto and D. Valle and I. van der Klei and P. P. van Veldhoven and M. Veenhuis A unified nomenclature for peroxisome biogenesis factors . . . . . . . . . . . 1 H. P. Erickson and D. Stoffler Protofilaments and rings, two conformations of the tubulin family conserved from bacterial FtsZ to alpha/beta and gamma tubulin . . . . . . 5 G. Zhang and M. L. Zapp and G. Yan and M. R. Green Localization of HIV-1 RNA in mammalian nuclei . . . . . . . . . . . . . . . . . 9 S. I. Bannykh and T. Rowe and W. E. Balch The organization of endoplasmic reticulum export complexes . . . . . . . 19 M. Hirao and N. Sato and T. Kondo and S. Yonemura and M. Monden and T. Sasaki and Y. Takai and S. Tsukita and S. Tsukita Regulation mechanism of ERM (ezrin/radixin/moesin) protein/plasma membrane association: possible involvement of phosphatidylinositol turnover and Rho-dependent signaling pathway . . . . . . . . . . . . . . . . 37 D. Faulstich and S. Auerbach and L. Orci and M. Ravazzola and S. Wegchingel and F. Lottspeich and G. Stenbeck and C. Harter and F. T. Wieland and H. Tschochner Architecture of coatomer: molecular characterization of delta--COP and protein interactions within the complex 53 R. Blumenthal and D. P. Sarkar and S. Durell and D. E. Howard and S. J. Morris Dilation of the influenza hemagglutinin fusion pore revealed by the kinetics of individual cell--cell fusion events . . 63 S. Bagai and R. A. Lamb Truncation of the COOH-terminal region of the paramyxovirus SV5 fusion protein leads to hemifusion but not complete fusion . . . . . . . . . . . . . . . . . 73 S. J. Gould and J. E. Kalish and J. C. Morrell and J. Bjorkman and A. J. Urquhart and D. I. Crane Pex13p is an SH3 protein of the peroxisome membrane and a docking factor for the predominantly cytoplasmic PTs1 receptor . . . . . . . . . . . . . . . . 85 Y. Elgersma and L. Kwast and A. Klein and T. Voorn-Brouwer and M. van den Berg and B. Metzig and T. America and H. F. Tabak and B. Distel The SH3 domain of the \bionameSaccharomyces cerevisiae peroxisomal membrane protein Pex13p functions as a docking site for Pex5p, a mobile receptor for the import PTS1-containing proteins . . . . . . . . 97 R. Erdmann and G. Blobel Identification of Pex13p a peroxisomal membrane receptor for the PTS1 recognition factor . . . . . . . . . . . 111 P. A. Marshall and J. M. Dyer and M. E. Quick and J. M. Goodman Redox-sensitive homodimerization of Pex11p: a proposed mechanism to regulate peroxisomal division . . . . . . . . . . 123 G. Odorizzi and A. Pearse and D. Domingo and I. S. Trowbridge and C. R. Hopkins Apical and basolateral endosomes of MDCK cells are interconnected and contain a polarized sorting mechanism . . . . . . 139 J. Peränen and P. Auvinen and H. Virta and R. Wepf and K. Simons Rab8 promotes polarized membrane transport through reorganization of actin and microtubules in fibroblasts 153 D. A. Schafer and P. B. Jennings and J. A. Cooper Dynamics of capping protein and actin assembly in vitro: uncapping barbed ends by polyphosphoinositides . . . . . . . . 169 A. Muto and S. Kume and T. Inoue and H. Okano and K. Mikoshiba Calcium waves along the cleavage furrows in cleavage-stage \bionameXenopus embryos and its inhibition by heparin 181 M. Wilding and E. M. Wright and R. Patel and G. Ellis-Davies and M. Whitaker Local perinuclear calcium signals associated with mitosis-entry in early sea urchin embryos . . . . . . . . . . . 191 Y. Zhai and P. J. Kronebusch and P. M. Simon and G. G. Borisy Microtubule dynamics at the G2/M transition: abrupt breakdown of cytoplasmic microtubules at nuclear envelope breakdown and implications for spindle morphogenesis . . . . . . . . . 201 P. Ruiz and V. Brinkmann and B. Ledermann and M. Behrend and C. Grund and C. Thalhammer and F. Vogel and C. Birchmeier and U. Günthert and W. W. Franke and W. Birchmeier Targeted mutation of plakoglobin in mice reveals essential functions of desmosomes in the embryonic heart . . . 215 M. Blessing and P. Schirmacher and S. Kaiser Overexpression of bone morphogenetic protein-6 (BMP-6) in the epidermis of transgenic mice: inhibition or stimulation of proliferation depending on the pattern of transgene expression and formation of psoriatic lesions . . . 227 S. Fazeli and D. J. Wells and C. Hobbs and F. S. Walsh Altered secondary myogenesis in transgenic animals expressing the neural cell adhesion molecule under the control of a skeletal muscle alpha-actin promoter . . . . . . . . . . . . . . . . 241 S. Kunz and U. Ziegler and B. Kunz and P. Sonderegger Intracellular signaling is changed after clustering of the neural cell adhesion molecules axonin-1 and NgCAM during neurite fasciculation . . . . . . . . . 253 F. Guinet and J. A. Dvorak and H. Fujioka and D. B. Keister and O. Muratova and D. C. Kaslow and M. Aikawa and A. B. Vaidya and T. E. Wellems A developmental defect in Plasmodium falciparum male gametogenesis . . . . . 269 D. S. Friend and N. Ghildyal and K. F. Austen and M. F. Gurish and R. Matsumoto and R. L. Stevens Mast cells that reside at different locations in the jejunum of mice infected with Trichinella spiralis exhibit sequential changes in their granule ultrastructure and chymase phenotype . . . . . . . . . . . . . . . 279
R. D. Vale Switches, latches, and amplifiers: common themes of G proteins and molecular motors . . . . . . . . . . . . 291 E. Bridge and K. U. Riedel and B. M. Johansson and U. Pettersson Spliced exons of adenovirus late RNAs colocalize with snRNP in a specific nuclear domain . . . . . . . . . . . . . 303 A. Khodjakov and C. L. Rieder Kinetochores moving away from their associated pole do not exert a significant pushing force on the chromosome . . . . . . . . . . . . . . . 315 N. Shulga and P. Roberts and Z. Gu and L. Spitz and M. M. Tabb and M. Nomura and D. S. Goldfarb In vivo nuclear transport kinetics in \bionameSaccharomyces cerevisiae: a role for heat shock protein 70 during targeting and translocation . . . . . . 329 M. S. Marks and L. Woodruff and H. Ohno and J. S. Bonifacino Protein targeting by tyrosine- and di-leucine-based signals: evidence for distinct saturable components . . . . . 341 J. P. Simon and I. E. Ivanov and M. Adesnik and D. D. Sabatini The production of post-Golgi vesicles requires a protein kinase C-like molecule, but not its phosphorylating activity . . . . . . . . . . . . . . . . 355 P. E. Hoppe and R. H. Waterston Hydrophobicity variations along the surface of the coiled-coil rod may mediate striated muscle myosin assembly in \bionameCaenorhabditis elegans . . . 371 V. Muresan and C. P. Godek and T. S. Reese and B. J. Schnapp Plus-end motors override minus-end motors during transport of squid axon vesicles on microtubules . . . . . . . . 383 T. Gaglio and A. Saredi and J. B. Bingham and M. J. Hasbani and S. R. Gill and T. A. Schroer and D. A. Compton Opposing motor activities are required for the organization of the mammalian mitotic spindle pole . . . . . . . . . . 399 W. Wang and P. A. Hansen and B. A. Marshall and J. O. Holloszy and M. Mueckler Insulin unmasks a COOH-terminal Glut4 epitope and increases glucose transport across T-tubules in skeletal muscle . . 415 J. C. Engert and E. B. Berglund and N. Rosenthal Proliferation precedes differentiation in IGF--I--stimulated myogenesis . . . . 431 B. G. Novitch and G. J. Mulligan and T. Jacks and A. B. Lassar Skeletal muscle cells lacking the retinoblastoma protein display defects in muscle gene expression and accumulate in S and G2 phases of the cell cycle . . 441 R. M. Jotte and J. T. Holt Myristylation of FBR v-fos dictates the differentiation pathways in malignant osteosarcoma . . . . . . . . . . . . . . 457 M. Oulad-Abdelghani and P. Bouillet and D. Décimo and A. Gansmuller and S. Heyberger and P. Dollé and S. Bronner and Y. Lutz and P. Chambon Characterization of a premeiotic germ cell-specific cytoplasmic protein encoded by Stra8, a novel retinoic acid-responsive gene . . . . . . . . . . 469 B. Allet and A. Hochmann and I. Martinou and A. Berger and M. Missotten and B. Antonsson and R. Sadoul and J. C. Martinou and L. Bernasconi Dissecting processing and apoptotic activity of a cysteine protease by mutant analysis . . . . . . . . . . . . 479 W. M. Brieher and A. S. Yap and B. M. Gumbiner Lateral dimerization is required for the homophilic binding activity of C-cadherin . . . . . . . . . . . . . . . 487 A. Del Maschio and A. Zanetti and M. Corada and Y. Rival and L. Ruco and M. G. Lampugnani and E. Dejana Polymorphonuclear leukocyte adhesion triggers the disorganization of endothelial cell-to-cell adherens junctions . . . . . . . . . . . . . . . 497 R. Menegazzi and S. Busetto and P. Dri and R. Cramer and P. Patriarca Chloride ion efflux regulates adherence, spreading, and respiratory burst of neutrophils stimulated by tumor necrosis factor-alpha (TNF) on biologic surfaces 511 O. Spertini and A. S. Cordey and N. Monai and L. Giuffr\`e and M. Schapira P-selectin glycoprotein ligand 1 is a ligand for L-selectin on neutrophils, monocytes, and CD34+ hematopoietic progenitor cells . . . . . . . . . . . . 523 A. G. Gao and F. P. Lindberg and J. M. Dimitry and E. J. Brown and W. A. Frazier Thrombospondin modulates alpha v beta 3 function through integrin-associated protein . . . . . . . . . . . . . . . . 533
R. D. Shelby and K. M. Hahn and K. F. Sullivan Dynamic elastic behavior of alpha-satellite DNA domains visualized in situ in living human cells . . . . . 545 N. C. Chi and E. J. Adam and G. D. Visser and S. A. Adam RanBP1 stabilizes the interaction of Ran with p97 nuclear protein import . . . . 559 E. M. Stone and L. Pillus Activation of an MAP kinase cascade leads to Sir3p hyperphosphorylation and strengthens transcriptional silencing 571 M. J. Kuehn and R. Schekman and P. O. Ljungdahl Amino acid permeases require COPII components and the ER resident membrane protein Shr3p for packaging into transport vesicles in vitro . . . . . . 585 J. S. Chuang and R. W. Schekman Differential trafficking and timed localization of two chitin synthase proteins, Chs2p and Chs3p . . . . . . . 597 R. Wubbolts and M. Fernandez-Borja and L. Oomen and D. Verwoerd and H. Janssen and J. Calafat and A. Tulp and S. Dusseljee and J. Neefjes Direct vesicular transport of MHC class II molecules from lysosomal structures to the cell surface . . . . . . . . . . 611 E. Hong and A. R. Davidson and C. A. Kaiser A pathway for targeting soluble misfolded proteins to the yeast vacuole 623 A. Wilde and F. M. Brodsky In vivo phosphorylation of adaptors regulates their interaction with clathrin . . . . . . . . . . . . . . . . 635 G. A. Smith and J. A. Theriot and D. A. Portnoy The tandem repeat domain in the \bionameListeria monocytogenes ActA protein controls the rate of actin-based motility, the percentage of moving bacteria, and the localization of vasodilator-stimulated phosphoprotein and profilin . . . . . . . . . . . . . . 647 I. N. Rybakova and K. J. Amann and J. M. Ervasti A new model for the interaction of dystrophin with F-actin . . . . . . . . 661 A. J. Kreuz and A. Simcox and D. Maughan Alterations in flight muscle ultrastructure and function in \bionameDrosophila tropomyosin mutants 673 M. O. Trielli and P. R. Andreassen and F. B. Lacroix and R. L. Margolis Differential Taxol-dependent arrest of transformed and nontransformed cells in the G1 phase of the cell cycle, and specific-related mortality of transformed cells . . . . . . . . . . . 689 B. Campenot and K. Lund and D. L. Senger Delivery of newly synthesized tubulin to rapidly growing distal axons of sympathetic neurons in compartmented cultures . . . . . . . . . . . . . . . . 701 J. R. Marszalek and T. L. Williamson and M. K. Lee and Z. Xu and P. N. Hoffman and M. W. Becher and T. O. Crawford and D. W. Cleveland Neurofilament subunit NF--H modulates axonal diameter by selectively slowing neurofilament transport . . . . . . . . 711 N. Valtz and I. Herskowitz Pea2 protein of yeast is localized to sites of polarized growth and is required for efficient mating and bipolar budding . . . . . . . . . . . . 725 L. Elia and L. Marsh Role of the ABC transporter Ste6 in cell fusion during yeast conjugation . . . . 741 S. M. Marfatia and J. H. Morais Cabral and L. Lin and C. Hough and P. J. Bryant and L. Stolz and A. H. Chishti Modular organization of the PDZ domains in the human discs-large protein suggests a mechanism for coupling PDZ domain-binding proteins to ATP and the membrane cytoskeleton . . . . . . . . . 753 N. Uchida and Y. Honjo and K. R. Johnson and M. J. Wheelock and M. Takeichi The catenin/cadherin adhesion system is localized in synaptic junctions bordering transmitter release zones . . 767 C. Soans and J. A. Holash and Y. Pavlova and E. B. Pasquale Developmental expression and distinctive tyrosine phosphorylation of the Eph-related receptor tyrosine kinase Cek9 . . . . . . . . . . . . . . . . . . 781 J. H. Koenig and K. Ikeda Synaptic vesicles have two distinct recycling pathways . . . . . . . . . . . 797 Z. Z. Wang and S. F. Hardy and Z. W. Hall Membrane tethering enables an extracellular domain of the acetylcholine receptor alpha subunit to form a heterodimeric ligand-binding site 809 F. Reichsman and L. Smith and S. Cumberledge Glycosaminoglycans can modulate extracellular localization of the wingless protein and promote signal transduction . . . . . . . . . . . . . . 819 J. T. Yang and T. A. Rando and W. A. Mohler and H. Rayburn and H. M. Blau and R. O. Hynes Genetic analysis of alpha 4 integrin functions in the development of mouse skeletal muscle . . . . . . . . . . . . 829 R. C. Fuhlbrigge and R. Alon and K. D. Puri and J. B. Lowe and T. A. Springer Sialylated, fucosylated ligands for L-selectin expressed on leukocytes mediate tethering and rolling adhesions in physiologic flow conditions . . . . . 837 R. Alon and R. C. Fuhlbrigge and E. B. Finger and T. A. Springer Interactions through L-selectin between leukocytes and adherent leukocytes nucleate rolling adhesions on selectins and VCAM-1 in shear flow . . . . . . . . 849
M. E. Ludérus and B. van Steensel and L. Chong and O. C. Sibon and F. F. Cremers and T. de Lange Structure, subnuclear distribution, and nuclear matrix association of the mammalian telomeric complex . . . . . . 867 A. F. Davis and D. A. Clayton In situ localization of mitochondrial DNA replication in intact mammalian cells . . . . . . . . . . . . . . . . . 883 T. Rowe and M. Aridor and J. M. McCaffery and H. Plutner and C. Nuoffer and W. E. Balch COPII vesicles derived from mammalian endoplasmic reticulum microsomes recruit COPI . . . . . . . . . . . . . . . . . . 895 O. Ullrich and S. Reinsch and S. Urbé and M. Zerial and R. G. Parton Rab11 regulates recycling through the pericentriolar recycling endosome . . . 913 S. E. Holstein and H. Ungewickell and E. Ungewickell Mechanism of clathrin basket dissociation: separate functions of protein domains of the DnaJ homologue auxilin . . . . . . . . . . . . . . . . 925 J. M. Leiper and P. B. Oatey and C. J. Danpure Inhibition of alanine: glyoxylate aminotransferase 1 dimerization is a prerequisite for its peroxisome-to-mitochondrion mistargeting in primary hyperoxaluria type 1 . . . . 939 G. Liu and J. Tang and B. T. Edmonds and J. Murray and S. Levin and J. Condeelis F-actin sequesters elongation factor 1alpha from interaction with aminoacyl-tRNA in a pH-dependent reaction . . . . . . . . . . . . . . . . 953 F. Rivero and R. Furukawa and A. A. Noegel and M. Fechheimer \bionameDictyostelium discoideum cells lacking the 34,000-dalton actin-binding protein can grow, locomote, and develop, but exhibit defects in regulation of cell structure and movement: a case of partial redundancy . . . . . . . . . . . 965 S. P. Wheatley and Y. Wang Midzone microtubule bundles are continuously required for cytokinesis in cultured epithelial cells . . . . . . . 981 T. M. Svitkina and A. B. Verkhovsky and G. G. Borisy Plectin sidearms mediate interaction of intermediate filaments with microtubules and other components of the cytoskeleton 991 C. Mertens and C. Kuhn and W. W. Franke Plakophilins 2a and 2b: constitutive proteins of dual location in the karyoplasm and the desmosomal plaque . . 1009 P. Ouyang and S. P. Sugrue Characterization of pinin, a novel protein associated with the desmosome-intermediate filament complex 1027 F. Q. Li and A. Coonrod and M. Horwitz Preferential MyoD homodimer formation demonstrated by a general method of dominant negative mutation employing fusion with a lysosomal protease . . . . 1043 H. Volkmer and R. Leuschner and U. Zacharias and F. G. Rathjen Neurofascin induces neurites by heterophilic interactions with axonal NrCAM while NrCAM requires F11 on the axonal surface to extend neurites . . . 1059 J. H. Hecht and J. A. Weiner and S. R. Post and J. Chun Ventricular zone gene-1 (vzg-1) encodes a lysophosphatidic acid receptor expressed in neurogenic regions of the developing cerebral cortex . . . . . . . 1071 R. S. Slack and D. J. Belliveau and M. Rosenberg and J. Atwal and H. Lochmüller and R. Aloyz and A. Haghighi and B. Lach and P. Seth and E. Cooper and F. D. Miller Adenovirus-mediated gene transfer of the tumor suppressor, p53, induces apoptosis in postmitotic neurons . . . . . . . . . 1085 J. Brock and K. Midwinter and J. Lewis and P. Martin Healing of incisional wounds in the embryonic chick wing bud: characterization of the actin purse-string and demonstration of a requirement for Rho activation . . . . . 1097 M. C. Brown and J. A. Perrotta and C. E. Turner Identification of LIM3 as the principal determinant of paxillin focal adhesion localization and characterization of a novel motif on paxillin directing vinculin and focal adhesion kinase binding . . . . . . . . . . . . . . . . 1109 R. A. Lue and E. Brandin and E. P. Chan and D. Branton Two independent domains of hDlg are sufficient for subcellular targeting: the PDZ1-2 conformational unit and an alternatively spliced domain . . . . . . 1125 J. Sleeman and W. Rudy and M. Hofmann and J. Moll and P. Herrlich and H. Ponta Regulated clustering of variant CD44 proteins increases their hyaluronate binding capacity . . . . . . . . . . . . 1139 H. Wang and Z. Xie and R. E. Scott Differentiation modulates the balance of positive and negative Jun/AP-1 DNA binding activities to regulate cellular proliferative potential: different effects in nontransformed and transformed cells . . . . . . . . . . . 1151 P. Braghetta and C. Fabbro and S. Piccolo and D. Marvulli and P. Bonaldo and D. Volpin and G. M. Bressan Distinct regions control transcriptional activation of the alpha1(VI) collagen promoter in different tissues of transgenic mice . . . . . . . . . . . . 1163 S. Erdmann and W. Müller and S. Bahrami and S. I. Vornehm and H. Mayer and P. Bruckner and K. von der Mark and H. Burkhardt Differential effects of parathyroid hormone fragments on collagen gene expression in chondrocytes . . . . . . . 1179
A. Kurz and S. Lampel and J. E. Nickolenko and J. Bradl and A. Benner and R. M. Zirbel and T. Cremer and P. Lichter Active and inactive genes localize preferentially in the periphery of chromosome territories . . . . . . . . . 1195 S. J. Lawlis and S. M. Keezer and J. R. Wu and D. M. Gilbert Chromosome architecture can dictate site-specific initiation of DNA replication in \bionameXenopus egg extracts . . . . . . . . . . . . . . . . 1207 M. T. Sweet and K. Jones and C. D. Allis Phosphorylation of linker histone is associated with transcriptional activation in a normally silent nucleus 1219 G. L. Bush and D. I. Meyer The refolding activity of the yeast heat shock proteins Ssa1 and Ssa2 defines their role in protein translocation . . 1229 K. Sohn and L. Orci and M. Ravazzola and M. Amherdt and M. Bremser and F. Lottspeich and K. Fiedler and J. B. Helms and F. T. Wieland A major transmembrane protein of Golgi-derived COPI-coated vesicles involved in coatomer binding . . . . . . 1239 N. Araki and M. T. Johnson and J. A. Swanson A role for phosphoinositide $3$-kinase in the completion of macropinocytosis and phagocytosis by macrophages . . . . 1249 I. De Bie and M. Marcinkiewicz and D. Malide and C. Lazure and K. Nakayama and M. Bendayan and N. G. Seidah The isoforms of proprotein convertase PC5 are sorted to different subcellular compartments . . . . . . . . . . . . . . 1261 S. Eaton and R. Wepf and K. Simons Roles for Rac1 and Cdc42 in planar polarization and hair outgrowth in the wing of \bionameDrosophila . . . . . . . 1277 L. G. Tilney and P. Connelly and S. Smith and G. M. Guild F-actin bundles in \bionameDrosophila bristles are assembled from modules composed of short filaments . . . . . . 1291 J. W. Murray and B. T. Edmonds and G. Liu and J. Condeelis Bundling of actin filaments by elongation factor 1 alpha inhibits polymerization at filament ends . . . . 1309 I. Irminger-Finger and E. Hurt and A. Roebuck and M. A. Collart and S. J. Edelstein MHP1, an essential gene in \bionameSaccharomyces cerevisiae required for microtubule function . . . 1323 M. Deshmukh and J. Vasilakos and T. L. Deckwerth and P. A. Lampe and B. D. Shivers and E. M. Johnson Genetic and metabolic status of NGF-deprived sympathetic neurons saved by an inhibitor of ICE family proteases 1341 J. Q. Davis and S. Lambert and V. Bennett Molecular composition of the node of Ranvier: identification of ankyrin-binding cell adhesion molecules neurofascin (mucin+/third FNIII domain-) and NrCAM at nodal axon segments . . . . 1355 V. V. Didenko and P. J. Hornsby Presence of double-strand breaks with single-base 3' overhangs in cells undergoing apoptosis but not necrosis 1369 S. M. Frisch and K. Vuori and D. Kelaita and S. Sicks A role for Jun--N--terminal kinase in anoikis; suppression by bcl-2 and crmA 1377 J. E. Hungerford and M. T. Compton and M. L. Matter and B. G. Hoffstrom and C. A. Otey Inhibition of pp125FAK in cultured fibroblasts results in apoptosis . . . . 1383 S. Vagner and C. Touriol and B. Galy and S. Audigier and M. C. Gensac and F. Amalric and F. Bayard and H. Prats and A. C. Prats Translation of CUG- but not AUG-initiated forms of human fibroblast growth factor 2 is activated in transformed and stressed cells . . . . . 1391 J. H. Miner and J. R. Sanes Molecular and functional defects in kidneys of mice lacking collagen alpha 3(IV): implications for Alport syndrome 1403 J. K. Marchant and R. A. Hahn and T. F. Linsenmayer and D. E. Birk Reduction of type V collagen using a dominant-negative strategy alters the regulation of fibrillogenesis and results in the loss of corneal-specific fibril morphology . . . . . . . . . . . 1415
R. Eils and S. Dietzel and E. Bertin and E. Schröck and M. R. Speicher and T. Ried and M. Robert-Nicoud and C. Cremer and T. Cremer Three-dimensional reconstruction of painted human interphase chromosomes: active and inactive X chromosome territories have similar volumes but differ in shape and surface structure 1427 L. Rao and D. Perez and E. White Lamin proteolysis facilitates nuclear events during apoptosis . . . . . . . . 1441 M. J. Matunis and E. Coutavas and G. Blobel A novel ubiquitin-like modification modulates the partitioning of the Ran--GTPase--activating protein RanGAP1 between the cytosol and the nuclear pore complex . . . . . . . . . . . . . . . . 1457 C. D. Austin and D. Shields Formation of nascent secretory vesicles from the trans-Golgi network of endocrine cells is inhibited by tyrosine kinase and phosphatase inhibitors . . . 1471 B. Wendland and J. M. McCaffery and Q. Xiao and S. D. Emr A novel fluorescence-activated cell sorter-based screen for yeast endocytosis mutants identifies a yeast homologue of mammalian eps15 . . . . . . 1485 N. Borgese and D. Aggujaro and P. Carrera and G. Pietrini and M. Bassetti A role for N-myristoylation in protein targeting: NADH-cytochrome b5 reductase requires myristic acid for association with outer mitochondrial but not ER membranes . . . . . . . . . . . . . . . 1501 W. Rodgers and J. K. Rose Exclusion of CD45 inhibits activity of p56lck associated with glycolipid-enriched membrane domains . . 1515 M. L. Gonzalez-Garay and F. Cabral alpha-Tubulin limits its own synthesis: evidence for a mechanism involving translational repression . . . . . . . . 1525 K. L. Hill and N. L. Catlett and L. S. Weisman Actin and myosin function in directed vacuole movement during cell division in \bionameSaccharomyces cerevisiae . . . . 1535 V. J. Fincham and M. Unlu and V. G. Brunton and J. D. Pitts and J. A. Wyke and M. C. Frame Translocation of Src kinase to the cell periphery is mediated by the actin cytoskeleton under the control of the Rho family of small G proteins . . . . . 1551 C. Wang and W. F. Pralong and M. F. Schulz and G. Rougon and J. M. Aubry and S. Pagliusi and A. Robert and J. Z. Kiss Functional N--methyl--D--aspartate receptors in O-2A glial precursor cells: a critical role in regulating polysialic acid-neural cell adhesion molecule expression and cell migration . . . . . 1565 R. Brandenberger and R. A. Kammerer and J. Engel and M. Chiquet Native chick laminin-4 containing the beta 2 chain (s-laminin) promotes motor axon growth . . . . . . . . . . . . . . 1583 A. Buchstaller and S. Kunz and P. Berger and B. Kunz and U. Ziegler and C. Rader and P. Sonderegger Cell adhesion molecules NgCAM and axonin-1 form heterodimers in the neuronal membrane and cooperate in neurite outgrowth promotion . . . . . . 1593 D. Lu and H. Yang and M. K. Raizada Angiotensin II regulation of neuromodulation: downstream signaling mechanism from activation of mitogen-activated protein kinase . . . . 1609 R. H. Scannevin and H. Murakoshi and K. J. Rhodes and J. S. Trimmer Identification of a cytoplasmic domain important in the polarized expression and clustering of the Kv2.1 K+ channel 1619 S. Miyamoto and H. Teramoto and J. S. Gutkind and K. M. Yamada Integrins can collaborate with growth factors for phosphorylation of receptor tyrosine kinases and MAP kinase activation: roles of integrin aggregation and occupancy of receptors 1633 S. Islam and T. E. Carey and G. T. Wolf and M. J. Wheelock and K. R. Johnson Expression of N-cadherin by human squamous carcinoma cells induces a scattered fibroblastic phenotype with disrupted cell--cell adhesion . . . . . 1643 O. Vainio and D. Dunon and F. A\"\issi and J. P. Dangy and K. M. McNagny and B. A. Imhof HEMCAM, an adhesion molecule expressed by c-kit+ hemopoietic progenitors . . . 1655 C. M. Alexander and E. W. Howard and M. J. Bissell and Z. Werb Rescue of mammary epithelial cell apoptosis and entactin degradation by a tissue inhibitor of metalloproteinases-1 transgene . . . . . . . . . . . . . . . 1669 C. C. Robinett and A. Straight and G. Li and C. Willhelm and G. Sudlow and A. Murray and A. S. Belmont In vivo localization of DNA sequences and visualization of large-scale chromatin organization using lac operator/repressor recognition . . . . . 1685 H. A. Lane and E. A. Nigg Antibody microinjection reveals an essential role for human polo-like kinase 1 (Plk1) in the functional maturation of mitotic centrosomes . . . 1701 P. Collas and J. C. Courvalin and D. Poccia Targeting of membranes to sea urchin sperm chromatin is mediated by a lamin B receptor-like integral membrane protein 1715 V. Brizzio and A. E. Gammie and G. Nijbroek and S. Michaelis and M. D. Rose Cell fusion during yeast mating requires high levels of a-factor mating pheromone 1727 N. Masumoto and T. Sasaki and M. Tahara and A. Mammoto and Y. Ikebuchi and K. Tasaka and M. Tokunaga and Y. Takai and A. Miyake Involvement of Rabphilin-3A in cortical granule exocytosis in mouse eggs . . . . 1741 A. O. Johnson and R. N. Ghosh and K. W. Dunn and R. Garippa and J. Park and S. Mayor and F. R. Maxfield and T. E. McGraw Transferrin receptor containing the SDYQRL motif of TGN38 causes a reorganization of the recycling compartment but is not targeted to the TGN . . . . . . . . . . . . . . . . . . 1749 G. Dodt and S. J. Gould Multiple PEX genes are required for proper subcellular distribution and stability of Pex5p, the PTS1 receptor: evidence that PTS1 protein import is mediated by a cycling receptor . . . . . 1763 N. D. Chilcoat and S. M. Melia and A. Haddad and A. P. Turkewitz Granule lattice protein 1 (Grl1p), an acidic, calcium-binding protein in \bionameTetrahymena thermophila dense-core secretory granules, influences granule size, shape, content organization, and release but not protein sorting or condensation . . . . 1775 P. K. Tan and J. P. Howard and G. S. Payne The sequence NPFXD defines a new class of endocytosis signal in \bionameSaccharomyces cerevisiae . . . . 1789 L. M. Traub and S. I. Bannykh and J. E. Rodel and M. Aridor and W. E. Balch and S. Kornfeld AP-$2$-containing clathrin coats assemble on mature lysosomes . . . . . . 1801 E. A. Holleran and M. K. Tokito and S. Karki and E. L. Holzbaur Centractin (ARP1) associates with spectrin revealing a potential mechanism to link dynactin to intracellular organelles . . . . . . . . . . . . . . . 1815 I. Plonsky and J. Zimmerberg The initial fusion pore induced by baculovirus GP64 is large and forms quickly . . . . . . . . . . . . . . . . 1831 M. Suomalainen and K. Hultenby and H. Garoff Targeting of Moloney murine leukemia virus gag precursor to the site of virus budding . . . . . . . . . . . . . . . . 1841 G. Rupp and E. O'Toole and L. C. Gardner and B. F. Mitchell and M. E. Porter The sup-pf-$2$ mutations of Chlamydomonas alter the activity of the outer dynein arms by modification of the gamma-dynein heavy chain . . . . . . . . 1853 S. Wahle and W. Stoffel Membrane topology of the high-affinity L-glutamate transporter (GLAST-1) of the central nervous system . . . . . . . . . 1867 M. I. Morasso and N. G. Markova and T. D. Sargent Regulation of epidermal differentiation by a Distal-less homeodomain gene . . . 1879 D. Schadendorf and M. A. Kern and M. Artuc and H. L. Pahl and T. Rosenbach and I. Fichtner and W. Nürnberg and S. Stüting and E. von Stebut and M. Worm and A. Makki and K. Jurgovsky and G. Kolde and B. M. Henz Treatment of melanoma cells with the synthetic retinoid CD437 induces apoptosis via activation of AP-1 in vitro, and causes growth inhibition in xenografts in vivo . . . . . . . . . . . 1889 C. L. Adams and W. J. Nelson and S. J. Smith Quantitative analysis of cadherin-catenin-actin reorganization during development of cell--cell adhesion . . . . . . . . . . . . . . . . 1899 M. Opas and M. Szewczenko-Pawlikowski and G. K. Jass and N. Mesaeli and M. Michalak Calreticulin modulates cell adhesiveness via regulation of vinculin expression 1913 D. M. Glover and H. Ohkura and A. Tavares Polo kinase: the choreographer of the mitotic stage? . . . . . . . . . . . . . 1681
Richard K. Assoian Anchorage-dependent Cell Cycle Progression . . . . . . . . . . . . . . 1 Lei Du and Stephen L. Warren A Functional Interaction between the Carboxy--Terminal Domain of RNA Polymerase II and Pre-mRNA Splicing . . 5 Euikyung Kim and Lei Du and David B. Bregman and Stephen L. Warren Splicing Factors Associate with Hyperphosphorylated RNA Polymerase II in the Absence of Pre-mRNA . . . . . . . . 19 Paul R. Andreassen and Françoise B. Lacroix and Robert L. Margolis Chromosomes with Two Intact Axial Cores Are Induced by G$_2$ Checkpoint Override: Evidence That DNA Decatenation Is not Required to Template the Chromosome Structure . . . . . . . . . . 29 Agn\`es Saint-Pol and Chantal Bauvy and Patrice Codogno and Stuart E. H. Moore Transfer of Free Polymannose-type Oligosaccharides from the Cytosol to Lysosomes in Cultured Human Hepatocellular Carcinoma HEPG2 Cells . . 45 Willisa Liou and Hans J. Geuze and Math. J. H. Geelen and Jan W. Slot The Autophagic and Endocytic Pathways Converge at the Nascent Autophagic Vacuoles . . . . . . . . . . . . . . . . 61 Erik A. C. Wiemer and Thibaut Wenzel and Thomas J. Deerinck and Mark H. Ellisman and Suresh Subramani Visualization of the Peroxisomal Compartment in Living Mammalian Cells: Dynamic Behavior and Association with Microtubules . . . . . . . . . . . . . . 71 Leonid V. Chernomordik and Eugenia Leikina and Vadim Frolov and Peter Bronk and Joshua Zimmerberg An Early Stage of Membrane Fusion Mediated by the Low pH Conformation of Influenza Hemagglutinin Depends upon Membrane Lipids . . . . . . . . . . . . 81 Beatriz Santos and Michael Snyder Targeting of Chitin Synthase 3 to Polarized Growth Sites in Yeast Requires Chs5p and Myo2p . . . . . . . . . . . . 95 Shirley Yang and Kathryn R. Ayscough and David G. Drubin A Role for the Actin Cytoskeleton of \bionameSaccharomyces cerevisiae in Bipolar Bud--Site Selection . . . . . . 111 Hiro M. Mahbubani and James P. J. Chong and Stephane Chevalier and Pia Thömmes and J. Julian Blow Cell Cycle Regulation of the Replication Licensing System: Involvement of a Cdk-dependent Inhibitor . . . . . . . . 125 Robert G. Parton and Michael Way and Natasha Zorzi and Espen Stang Caveolin-3 Associates with Developing T-tubules during Muscle Differentiation 137 Elly M. Tanaka and Alexander A. F. Gann and Phillip B. Gates and Jeremy P. Brockes Newt Myotubes Reenter the Cell Cycle by Phosphorylation of the Retinoblastoma Protein . . . . . . . . . . . . . . . . 155 Geoffrey Habermacher and Winfield S. Sale Regulation of Flagellar Dynein by Phosphorylation of a 138-kD Inner Arm Dynein Intermediate Chain . . . . . . . 167 Stephen J. King and Susan K. Dutcher Phosphoregulation of an Inner Dynein Arm Complex in Chlamydomonas reinhardtii Is Altered in Phototactic Mutant Strains 177 Yuji Nakajima and Kohei Miyazono and Mitsuyasu Kato and Masao Takase and Toshiyuki Yamagishi and Hiroaki Nakamura Extracellular Fibrillar Structure of Latent TGF$ \beta $ Binding Protein-1: Role in TGF$ \beta $-dependent Endothelial--Mesenchymal Transformation during Endocardial Cushion Tissue Formation in Mouse Embryonic Heart . . . 193 Michael Amling and Lynn Neff and Sakae Tanaka and Daisuke Inoue and Keisuke Kuida and Eleanor Weir and William M. Philbrick and Arthur E. Broadus and Roland Baron Bcl-2 Lies Downstream of Parathyroid Hormone--related Peptide in a Signaling Pathway That Regulates Chondrocyte Maturation during Skeletal Development 205 Nicola J. McCarthy and Moira K. B. Whyte and Christopher S. Gilbert and Gerard I. Evan Inhibition of Ced-3/ICE-related Proteases Does Not Prevent Cell Death Induced by Oncogenes, DNA Damage, or the Bcl-2 Homologue Bak . . . . . . . . . . 215
Alexey Khodjakov and Richard W. Cole and Bruce F. McEwen and Karolyn F. Buttle and Conly L. Rieder Chromosome Fragments Possessing Only One Kinetochore Can Congress to the Spindle Equator . . . . . . . . . . . . . . . . 229 Maureen A. Powers and Douglass J. Forbes and James E. Dahlberg and Elsebet Lund The Vertebrate GLFG Nucleoporin, Nup98, Is an Essential Component of Multiple RNA Export Pathways . . . . . . . . . . 241 Peng Chen and Stephanie K. Sapperstein and Jonathan D. Choi and Susan Michaelis Biogenesis of the \bionameSaccharomyces cerevisiae Mating Pheromone a--Factor 251 Konomi Fujimura-Kamada and Franklin J. Nouvet and Susan Michaelis A Novel Membrane-associated Metalloprotease, Ste24p, Is Required for the First Step of NH$_2$-terminal Processing of the Yeast a-Factor Precursor . . . . . . . . . . . . . . . 271 Nia J. Bryant and Tom H. Stevens Two Separate Signals Act Independently to Localize a Yeast Late Golgi Membrane Protein through a Combination of Retrieval and Retention . . . . . . . . 287 Zuoyu Xu and Andreas Mayer and Eric Muller and William Wickner A Heterodimer of Thioredoxin and I$^B_2$ Cooperates with Sec18p (NSF) to Promote Yeast Vacuole Inheritance . . . . . . . 299 Andreas Mayer and William Wickner Docking of Yeast Vacuoles Is Catalyzed by the Ras-like GTPase Ypt7p after Symmetric Priming by Sec18p (NSF) . . . 307 Jean M. Wilson and Tamara L. Colton Targeting of an Intestinal Apical Endosomal Protein to Endosomes in Nonpolarized Cells . . . . . . . . . . . 319 R. Dyche Mullins and Walter F. Stafford and Thomas D. Pollard Structure, Subunit Topology, and Actin-binding Activity of the Arp2/3 Complex from \bionameAcanthamoeba . . . 331 Sam S. Yang and Elaine Yeh and E. D. Salmon and Kerry Bloom Identification of a Mid-anaphase Checkpoint in Budding Yeast . . . . . . 345 Paola Pizzo and Cristina Fasolato and Tullio Pozzan Dynamic Properties of an Inositol 1,4,5-Trisphosphate- and Thapsigargin-insensitive Calcium Pool in Mammalian Cell Lines . . . . . . . . . . 355 Richard L. Rotundo and Susana G. Rossi and Lili Anglister Transplantation of Quail Collagen-tailed Acetylcholinesterase Molecules Onto the Frog Neuromuscular Synapse . . . . . . . 367 Daniel J. Belliveau and Irena Krivko and Judi Kohn and Christian Lachance and Christine Pozniak and Dmitri Rusakov and David Kaplan and Freda D. Miller NGF and Neurotrophin-3 Both Activate TrkA on Sympathetic Neurons but Differentially Regulate Survival and Neuritogenesis . . . . . . . . . . . . . 375 Eleni Dicou and Beth Pflug and Marilyn Magazin and Thér\`ese Lehy and Daniel Djakiew and Pascual Ferrara and Véronique Nerri\`ere and Douglas Harvie Two Peptides Derived from the Nerve Growth Factor Precursor Are Biologically Active . . . . . . . . . . . . . . . . . 389 Vivian Wong and Barry M. Gumbiner A Synthetic Peptide Corresponding to the Extracellular Domain of Occludin Perturbs the Tight Junction Permeability Barrier . . . . . . . . . . . . . . . . 399 Kris Vleminckx and Ellen Wong and Kathy Guger and Bonnee Rubinfeld and Paul Polakis and Barry M. Gumbiner Adenomatous Polyposis Coli Tumor Suppressor Protein Has Signaling Activity in \bionameXenopus laevis Embryos Resulting in the Induction of an Ectopic Dorsoanterior Axis . . . . . . . 411 Laura Airas and Jussi Niemelä and Marko Salmi and Tarja Puurunen and David J. Smith and Sirpa Jalkanen Differential Regulation and Function of CD73, a Glycosyl--Phosphatidylinositol--linked 70-kD Adhesion Molecule, on Lymphocytes and Endothelial Cells . . . . . . . . . 421 Rong-Rong Wu and John R. Couchman cDNA Cloning of the Basement Membrane Chondroitin Sulfate Proteoglycan Core Protein, Bamacan: a Five Domain Structure Including Coiled--Coil Motifs 433 David E. Cash and Cheryl B. Bock and Klaus Schughart and Elwood Linney and T. Michael Underhill Retinoic Acid Receptor $ \alpha $ Function in Vertebrate Limb Skeletogenesis: a Modulator of Chondrogenesis . . . . . . . . . . . . . 445 Kin Ming Kwan and Michael K. M. Pang and Sheila Zhou and Soot Keng Cowan and Richard Y. C. Kong and Tim Pfordte and Bjorn R. Olsen and David O. Sillence and Patrick P. L. Tam and Kathryn S. E. Cheah Abnormal Compartmentalization of Cartilage Matrix Components in Mice Lacking Collagen X: Implications for Function . . . . . . . . . . . . . . . . 459 Jiahua Xu and Richard A. F. Clark A Three-dimensional Collagen Lattice Induces Protein Kinase C-$ \zeta $ Activity: Role in $ \alpha_2 $ Integrin and Collagenase mRNA Expression . . . . 473
Dana Halverson and Mary Baum and Janet Stryker and John Carbon and Louise Clarke A Centromere DNA-binding Protein from Fission Yeast Affects Chromosome Segregation and Has Homology to Human CENP--B . . . . . . . . . . . . . . . . 487 Richard D. Shelby and Omid Vafa and Kevin F. Sullivan Assembly of CENP--A into Centromeric Chromatin Requires a Cooperative Array of Nucleosomal DNA Contact Sites . . . . 501 Volker C. Cordes and Sonja Reidenbach and Hans-Richard Rackwitz and Werner W. Franke Identification of Protein p270/Tpr as a Constitutive Component of the Nuclear Pore Complex--attached Intranuclear Filaments . . . . . . . . . . . . . . . 515 Mark Fricker and Michael Hollinshead and Nick White and David Vaux Interphase Nuclei of Many Mammalian Cell Types Contain Deep, Dynamic, Tubular Membrane-bound Invaginations of the Nuclear Envelope . . . . . . . . . . . . 531 Karen H. Berger and L. Farah Sogo and Michael P. Yaffe Mdm12p, a Component Required for Mitochondrial Inheritance That Is Conserved between Budding and Fission Yeast . . . . . . . . . . . . . . . . . 545 Utpal Tatu and Ari Helenius Interactions between Newly Synthesized Glycoproteins, Calnexin and a Network of Resident Chaperones in the Endoplasmic Reticulum . . . . . . . . . . . . . . . 555 Jaisri R. Lingappa and Rebecca L. Hill and Mei Lie Wong and Ramanujan S. Hegde A Multistep, ATP-dependent Pathway for Assembly of Human Immunodeficiency Virus Capsids in a Cell-free System . . . . . 567 Agathe Subtil and Muriel Delepierre and Alice Dautry-Varsat An $ \alpha $-Helical Signal in the Cytosolic Domain of the Interleukin 2 Receptor $ \beta $ Chain Mediates Sorting Towards Degradation after Endocytosis . . . . . . . . . . . . . . 583 Christian Erxleben and Norbert Klauke and Matthias Flötenmeyer and Marie-Pierre Blanchard and Claudia Braun and Helmut Plattner Microdomain Ca$^{2+}$ Activation during Exocytosis in Paramecium Cells. Superposition of Local Subplasmalemmal Calcium Store Activation by Local Ca$^{2+}$ Influx . . . . . . . . . . . . 597 Barbara A. Burleigh and Elisabet V. Caler and Paul Webster and Norma W. Andrews A Cytosolic Serine Endopeptidase from Trypanosoma cruzi Is Required for the Generation of Ca$^{2+}$ Signaling in Mammalian Cells . . . . . . . . . . . . 609 Daixing Zhou and Connie S. Birkenmeier and McRae W. Williams and John J. Sharp and Jane E. Barker and Robert J. Bloch Small, Membrane-bound, Alternatively Spliced Forms of Ankyrin 1 Associated with the Sarcoplasmic Reticulum of Mammalian Skeletal Muscle . . . . . . . 621 Kristine D. Novak and Margaret A. Titus Myosin I Overexpression Impairs Cell Migration . . . . . . . . . . . . . . . 633 Rong Li Bee1, a Yeast Protein with Homology to Wiscott--Aldrich Syndrome Protein, Is Critical for the Assembly of Cortical Actin Cytoskeleton . . . . . . . . . . . 649 Wenqian Yu and David J. Sharp and Ryoko Kuriyama and Prabhat Mallik and Peter W. Baas Inhibition of a Mitotic Motor Compromises the Formation of Dendrite-like Processes from Neuroblastoma Cells . . . . . . . . . . 659 Eunjoon Kim and Scott Naisbitt and Yi-Ping Hsueh and Anuradha Rao and Adam Rothschild and Ann Marie Craig and Morgan Sheng GKAP, a Novel Synaptic Protein That Interacts with the Guanylate Kinase-like Domain of the PSD-95/SAP90 Family of Channel Clustering Molecules . . . . . . 669 Pico Caroni and Ludwig Aigner and Corinna Schneider Intrinsic Neuronal Determinants Locally Regulate Extrasynaptic and Synaptic Growth at the Adult Neuromuscular Junction . . . . . . . . . . . . . . . . 679 Angela I. M. Barth and Anne L. Pollack and Yoram Altschuler and Keith E. Mostov and W. James Nelson NH$_2$-terminal Deletion of $ \beta $-Catenin Results in Stable Colocalization of Mutant $ \beta $-Catenin with Adenomatous Polyposis Coli Protein and Altered MDCK Cell Adhesion . . . . . . . . . . . . . . . . 693 Olaf Zöllner and Martin C. Lenter and James E. Blanks and Eric Borges and Martin Steegmaier and Hans-Günther Zerwes and Dietmar Vestweber L-Selectin from Human, but Not from Mouse Neutrophils Binds Directly to E--Selectin . . . . . . . . . . . . . . 707 Michael B. Lawrence and Geoffrey S. Kansas and Eric J. Kunkel and Klaus Ley Threshold Levels of Fluid Shear Promote Leukocyte Adhesion through Selectins (CD62L,P,E) . . . . . . . . . . . . . . 717 Keith G. Danielson and Helene Baribault and David F. Holmes and Helen Graham and Karl E. Kadler and Renato V. Iozzo Targeted Disruption of Decorin Leads to Abnormal Collagen Fibril Morphology and Skin Fragility . . . . . . . . . . . . . 729
Na\"\ima Belgareh and Valérie Doye Dynamics of Nuclear Pore Distribution in Nucleoporin Mutant Yeast Cells . . . . . 747 Vladimir I. Bashkirov and Harry Scherthan and Jachen A. Solinger and Jean-Marie Buerstedde and Wolf-Dietrich Heyer A Mouse Cytoplasmic Exoribonuclease (mXRN1p) with Preference for G4 Tetraplex Substrates . . . . . . . . . . 761 Kay N. Meyer and Eigil Kjeldsen and Tobias Straub and Birgitta R. Knudsen and Ian D. Hickson and Akihiko Kikuchi and Hans Kreipe and Fritz Boege Cell Cycle--coupled Relocation of Types I and II Topoisomerases and Modulation of Catalytic Enzyme Activities . . . . . 775 Erin C. Gaynor and Scott D. Emr COPI-independent Anterograde Transport: Cargo-selective ER to Golgi Protein Transport in Yeast COPI Mutants . . . . 789 Pei-Hsin Huang and Hui-Ling Chiang Identification of Novel Vesicles in the Cytosol to Vacuole Protein Degradation Pathway . . . . . . . . . . . . . . . . 803 Sanne van Delft and Christopher Schumacher and Willem Hage and Arie J. Verkleij and Paul M. P. van Bergen en Henegouwen Association and Colocalization of Eps15 with Adaptor Protein-2 and Clathrin . . 811 Ralph Henry and Matthew Carrigan and Michael McCaffery and Xianyue Ma and Kenneth Cline Targeting Determinants and Proposed Evolutionary Basis for the Sec and the Delta pH Protein Transport Systems in Chloroplast Thylakoid Membranes . . . . 823 Donner F. Babcock and James Herrington and Paul C. Goodwin and Young Bae Park and Bertil Hille Mitochondrial Participation in the Intracellular Ca$^{2+}$ Network . . . . 833 C. Casey Cunningham and Nicole Leclerc and Lisa A. Flanagan and Mei Lu and Paul A. Janmey and Kenneth S. Kosik Microtubule-associated Protein 2c Reorganizes Both Microtubules and Microfilaments into Distinct Cytological Structures in an Actin-binding Protein-280--deficient Melanoma Cell Line . . . . . . . . . . . . . . . . . . 845 Claire E. Walczak and Suzie Verma and Timothy J. Mitchison XCTK2: a Kinesin-related Protein That Promotes Mitotic Spindle Assembly in \bionameXenopus laevis Egg Extracts . . 859 R. Mark Grady and John P. Merlie and Joshua R. Sanes Subtle Neuromuscular Defects in Utrophin-deficient Mice . . . . . . . . 871 Anne E. Deconinck and Allyson C. Potter and Jonathon M. Tinsley and Sarah J. Wood and Ruth Vater and Carol Young and Laurent Metzinger and Angela Vincent and Clarke R. Slater and Kay E. Davies Postsynaptic Abnormalities at the Neuromuscular Junctions of Utrophin-deficient Mice . . . . . . . . 883 Stefan Schumacher and Hansjürgen Volkmer and Fritz Buck and Albrecht Otto and Attila Tárnok and Siegfried Roth and Fritz G. Rathjen Chicken Acidic Leucine-rich EGF-like Domain Containing Brain Protein (CALEB), a Neural Member of the EGF Family of Differentiation Factors, Is Implicated in Neurite Formation . . . . . . . . . . 895 Takeshi Sakurai and Marc Lustig and Moshe Nativ and John J. Hemperly and Joseph Schlessinger and Elior Peles and Martin Grumet Induction of Neurite Outgrowth through Contactin and Nr--CAM by Extracellular Regions of Glial Receptor Tyrosine Phosphatase $ \beta $ . . . . . . . . . 907 Jani E. Lewis and James K. Wahl and Kristin M. Sass and Pamela J. Jensen and Keith R. Johnson and Margaret J. Wheelock Cross-Talk between Adherens Junctions and Desmosomes Depends on Plakoglobin 919 Christine Sers and Urban Emmenegger and Knut Husmann and Katharina Bucher and Ann-Catherine Andres and Reinhold Schäfer Growth-inhibitory Activity and Downregulation of the Class II Tumor-suppressor Gene H-rev107 in Tumor Cell Lines and Experimental Tumors . . . 935 Laura Giuffr\`e and Anne-Sophie Cordey and Natacha Monai and Yanik Tardy and Marc Schapira and Olivier Spertini Monocyte Adhesion to Activated Aortic Endothelium: Role of L--Selectin and Heparan Sulfate Proteoglycans . . . . . 945
Albert V. Smith and G. Shirleen Roeder The Yeast Red1 Protein Localizes to the Cores of Meiotic Chromosomes . . . . . . 957 Amy R. Schutz and Thomas H. Giddings and Estelle Steiner and Mark Winey The Yeast CDC37 Gene Interacts with MPS1 and Is Required for Proper Execution of Spindle Pole Body Duplication . . . . . 969 Mitsuru Akita and Erik Nielsen and Kenneth Keegstra Identification of Protein Transport Complexes in the Chloroplastic Envelope Membranes via Chemical Cross--Linking 983 Grigory B. Melikyan and Sofya A. Brener and Dong C. Ok and Fredric S. Cohen Inner but Not Outer Membrane Leaflets Control the Transition from Glycosylphosphatidylinositol-anchored Influenza Hemagglutinin-induced Hemifusion to Full Fusion . . . . . . . 995 Beate Sodeik and Melanie W. Ebersold and Ari Helenius Microtubule-mediated Transport of Incoming Herpes Simplex Virus 1 Capsids to the Nucleus . . . . . . . . . . . . . 1007 Wouter van 't Hof and Marilyn D. Resh Rapid Plasma Membrane Anchoring of Newly Synthesized p59$^{\rm fyn}$: Selective Requirement for NH$_2$-Terminal Myristoylation and Palmitoylation at Cysteine-3 . . . . . . . . . . . . . . . 1023 Theodore M. Shih and Alan L. Goldin Topology of the Shaker Potassium Channel Probed with Hydrophilic Epitope Insertions . . . . . . . . . . . . . . . 1037 Monroe W. Cohen and Christian Jacobson and Peter D. Yurchenco and Glenn E. Morris and Salvatore Carbonetto Laminin-induced Clustering of Dystroglycan on Embryonic Muscle Cells: Comparison with Agrin-induced Clustering 1047 Thomas C. Hoock and Luanne L. Peters and Samuel E. Lux Isoforms of Ankyrin-3 That Lack the NH$_2$-terminal Repeats Associate with Mouse Macrophage Lysosomes . . . . . . . 1059 Alice D. Ma and Lawrence F. Brass and Charles S. Abrams Pleckstrin Associates with Plasma Membranes and Induces the Formation of Membrane Projections: Requirements for Phosphorylation and the NH$_2$-terminal PH Domain . . . . . . . . . . . . . . . 1071 Andrea J. Pereira and Brian Dalby and Russell J. Stewart and Stephen J. Doxsey and Lawrence S. B. Goldstein Mitochondrial Association of a Plus End--Directed Microtubule Motor Expressed during Mitosis in \bionameDrosophila . . . . . . . . . . . 1081 Katsuya Takenaka and Yukiko Gotoh and Eisuke Nishida MAP Kinase Is Required for the Spindle Assembly Checkpoint but Is Dispensable for the Normal M Phase Entry and Exit in \bionameXenopus Egg Cell Cycle Extracts 1091 Jingdong Tian and Hui Gong and Gerald H. Thomsen and William J. Lennarz Gamete Interactions in \bionameXenopus laevis: Identification of Sperm Binding Glycoproteins in the Egg Vitelline Envelope . . . . . . . . . . . . . . . . 1099 Bertolt Kreft and Dietmar Berndorff and Anja Böttinger and Silvia Finnemann and Doris Wedlich and Michael Hortsch and Rudolf Tauber and Reinhard Geßner LI-Cadherin-mediated Cell--Cell Adhesion Does Not Require Cytoplasmic Interactions . . . . . . . . . . . . . . 1109 Carolyn A. Larabell and Monica Torres and Brian A. Rowning and Cynthia Yost and Jeffrey R. Miller and Mike Wu and David Kimelman and Randall T. Moon Establishment of the Dorso-ventral Axis in \bionameXenopus Embryos Is Presaged by Early Asymmetries in $ \beta $-Catenin That Are Modulated by the Wnt Signaling Pathway . . . . . . . . . . . 1123 Katsutoshi Furukawa and Steven Estus and Weiming Fu and Robert J. Mark and Mark P. Mattson Neuroprotective Action of Cycloheximide Involves Induction of Bcl-2 and Antioxidant Pathways . . . . . . . . . . 1137 Irene Nunes and Pierre-Emmanuel Gleizes and Christine N. Metz and Daniel B. Rifkin Latent Transforming Growth Factor-$ \beta $ Binding Protein Domains Involved in Activation and Transglutaminase-dependent Cross--Linking of Latent Transforming Growth Factor-$ \beta $ . . . . . . . . 1151
Julie A. Theriot Accelerating on a Treadmill: ADF/Cofilin Promotes Rapid Actin Filament Turnover in the Dynamic Cytoskeleton . . . . . . 1165 D. Mark Eckley and Alexandra M. Ainsztein and Alastair M. Mackay and Ilya G. Goldberg and William C. Earnshaw Chromosomal Proteins and Cytokinesis: Patterns of Cleavage Furrow Formation and Inner Centromere Protein Positioning in Mitotic Heterokaryons and Mid-anaphase Cells . . . . . . . . . . . 1169 Mirella Bucci and Susan R. Wente In Vivo Dynamics of Nuclear Pore Complexes in Yeast . . . . . . . . . . . 1185 Timothy P. Spann and Robert D. Moir and Anne E. Goldman and Reimer Stick and Robert D. Goldman Disruption of Nuclear Lamin Organization Alters the Distribution of Replication Factors and Inhibits DNA Synthesis . . . 1201 Edwin C. Murphy and Tianli Zheng and Christopher V. Nicchitta Identification of a Novel Stage of Ribosome/Nascent Chain Association with the Endoplasmic Reticulum Membrane . . . 1213 Amitabha Mukhopadhyay and Alejandro M. Barbieri and Kouichi Funato and Richard Roberts and Philip D. Stahl Sequential Actions of Rab5 and Rab7 Regulate Endocytosis in the \bionameXenopus Oocyte . . . . . . . . . 1227 Jun Katahira and Norimitsu Inoue and Yasuhiko Horiguchi and Morihiro Matsuda and Nakaba Sugimoto Molecular Cloning and Functional Characterization of the Receptor for Clostridium perfringens Enterotoxin . . 1239 Stephen K. Doberstein and Richard D. Fetter and Anand Y. Mehta and Corey S. Goodman Genetic Analysis of Myoblast Fusion: blown fuse Is Required for Progression Beyond the Prefusion Complex . . . . . . 1249 Edward H. Kislauskis and Xiao-chun Zhu and Robert H. Singer $ \beta $-Actin Messenger RNA Localization and Protein Synthesis Augment Cell Motility . . . . . . . . . 1263 Greg Buczynski and Bryon Grove and Anson Nomura and Maurice Kleve and John Bush and Richard A. Firtel and James Cardelli Inactivation of Two \bionameDictyostelium discoideum Genes, DdPIK1 and DdPIK2, Encoding Proteins Related to Mammalian Phosphatidylinositide $3$-kinases, Results in Defects in Endocytosis, Lysosome to Postlysosome Transport, and Actin Cytoskeleton Organization . . . . 1271 Louise P. Cramer and Margaret Siebert and Timothy J. Mitchison Identification of Novel Graded Polarity Actin Filament Bundles in Locomoting Heart Fibroblasts: Implications for the Generation of Motile Force . . . . . . . 1287 Marie-France Carlier and Valérie Laurent and Jérôme Santolini and Ronald Melki and Dominique Didry and Gui-Xian Xia and Yan Hong and Nam-Hai Chua and Dominique Pantaloni Actin Depolymerizing Factor (ADF/Cofilin) Enhances the Rate of Filament Turnover: Implication in Actin-based Motility . . . . . . . . . . 1307 Jody Rosenblatt and Brian J. Agnew and Hiroshi Abe and James R. Bamburg and Timothy J. Mitchison \bionameXenopus Actin Depolymerizing Factor/Cofilin (XAC) Is Responsible for the Turnover of Actin Filaments in \bionameListeria monocytogenes Tails . . 1323 Luca Borradori and Peter J. Koch and Carien M. Niessen and Stefan Erkeland and Manuel R. van Leusden and Arnoud Sonnenberg The Localization of Bullous Pemphigoid Antigen 180 (BP180) in Hemidesmosomes Is Mediated by Its Cytoplasmic Domain and Seems to be Regulated by the $ \beta $4 Integrin Subunit . . . . . . . . . . . . 1333 Su Hao Lo and Qian-Chun Yu and Linda Degenstein and Lan Bo Chen and Elaine Fuchs Progressive Kidney Degeneration in Mice Lacking Tensin . . . . . . . . . . . . . 1349 Brigitte Lelongt and Germain Trugnan and Gillian Murphy and Pierre M. Ronco Matrix Metalloproteinases MMP2 and MMP9 Are Produced in Early Stages of Kidney Morphogenesis but Only MMP9 Is Required for Renal Organogenesis In Vitro . . . . 1363 Mariella F. Carlevaro and Adriana Albini and Domenico Ribatti and Chiara Gentili and Roberto Benelli and Silvia Cermelli and Ranieri Cancedda and Fiorella Descalzi Cancedda Transferrin Promotes Endothelial Cell Migration and Invasion: Implication in Cartilage Neovascularization . . . . . . 1375 Tsung H. Lin and Andrew E. Aplin and Yu Shen and Qiming Chen and Michael Schaller and Lewis Romer and Ikramuddin Aukhil and R. L. Juliano Integrin-mediated Activation of MAP Kinase Is Independent of FAK: Evidence for Dual Integrin Signaling Pathways in Fibroblasts . . . . . . . . . . . . . . 1385
Paul L. McNeil and Richard A. Steinhardt Loss, Restoration, and Maintenance of Plasma Membrane Integrity . . . . . . . 1 Hank W. Bass and Wallace F. Marshall and John W. Sedat and David A. Agard and W. Zacheus Cande Telomeres Cluster De Novo before the Initiation of Synapsis: a Three-dimensional Spatial Analysis of Telomere Positions before and during Meiotic Prophase . . . . . . . . . . . . 5 Luca Falciola and Fabio Spada and Sabina Calogero and Gernot Längst and Renate Voit and Ingrid Grummt and Marco E. Bianchi High Mobility Group 1 Protein Is Not Stably Associated with the Chromosomes of Somatic Cells . . . . . . . . . . . . 19 Elisa Izaurralde and Artur Jarmolowski and Christina Beisel and Iain W. Mattaj and Gideon Dreyfuss and Utz Fischer A Role for the M9 Transport Signal of hnRNP A1 in mRNA Nuclear Export . . . . 27 Steven Bassnett and Danijela Mataic Chromatin Degradation in Differentiating Fiber Cells of the Eye Lens . . . . . . 37 Valérie Brachet and Graça Raposo and Sebastian Amigorena and Ira Mellman Ii Chain Controls the Transport of Major Histocompatibility Complex Class II Molecules to and from Lysosomes . . . . 51 Akiko Okada and Catherine Tomasetto and Yves Lutz and Jean-Pierre Bellocq and Marie-Christine Rio and Paul Basset Expression of Matrix Metalloproteinases during Rat Skin Wound Healing: Evidence that Membrane Type-1 Matrix Metalloproteinase Is a Stromal Activator of Pro--Gelatinase A . . . . . . . . . . 67 Matthew N. J. Seaman and Eric G. Marcusson and Joan Lin Cereghino and Scott D. Emr Endosome to Golgi Retrieval of the Vacuolar Protein Sorting Receptor, Vps10p, Requires the Function of the VPS29, VPS30, and VPS35 Gene Products 79 Ana Rodríguez and Paul Webster and Javier Ortego and Norma W. Andrews Lysosomes Behave as Ca$^{2+}$-regulated Exocytic Vesicles in Fibroblasts and Epithelial Cells . . . . . . . . . . . . 93 Ruiyong Yuan and Paul Primakoff and Diana G. Myles A Role for the Disintegrin Domain of Cyritestin, a Sperm Surface Protein Belonging to the ADAM Family, in Mouse Sperm--Egg Plasma Membrane Adhesion and Fusion . . . . . . . . . . . . . . . . . 105 Ariel Blocker and Fedor F. Severin and Janis K. Burkhardt and James B. Bingham and Hanry Yu and Jean-Christophe Olivo and Trina A. Schroer and Anthony A. Hyman and Gareth Griffiths Molecular Requirements for Bi-directional Movement of Phagosomes Along Microtubules . . . . . . . . . . . 113 K. David Becker and Kim R. Gottshall and Reed Hickey and Jean-Claude Perriard and Kenneth R. Chien Point Mutations in Human $ \beta $ Cardiac Myosin Heavy Chain Have Differential Effects on Sarcomeric Structure and Assembly: an ATP Binding Site Change Disrupts Both Thick and Thin Filaments, Whereas Hypertrophic Cardiomyopathy Mutations Display Normal Assembly . . . . . . . . . . . . . . . . 131 Greg J. Hermann and Edward J. King and Janet M. Shaw The Yeast Gene, MDM20, Is Necessary for Mitochondrial Inheritance and Organization of the Actin Cytoskeleton 141 Antonio S. Sechi and Jürgen Wehland and J. Victor Small The Isolated Comet Tail Pseudopodium of \bionameListeria monocytogenes: a Tail of Two Actin Filament Populations, Long and Axial and Short and Random . . . . . 155 Fred Chang and David Drubin and Paul Nurse cdc12p, a Protein Required for Cytokinesis in Fission Yeast, Is a Component of the Cell Division Ring and Interacts with Profilin . . . . . . . . 169 Xuequn Helen Hua and Hong Yan and John Newport A Role for Cdk2 Kinase in Negatively Regulating DNA Replication during S Phase of the Cell Cycle . . . . . . . . 183 Jacalyn M. Vogel and Tim Stearns and Conly L. Rieder and Robert E. Palazzo Centrosomes Isolated from Spisula solidissima Oocytes Contain Rings and an Unusual Stoichiometric Ratio of $ \alpha $ /$ \beta $ Tubulin . . . . . . . . . . 193 Han-qing Xie and Dale W. Laird and Tsg-Hui Chang and Valerie W. Hu A Mitosis-specific Phosphorylation of the Gap Junction Protein Connexin43 in Human Vascular Cells: Biochemical Characterization and Localization . . . 203 Timothy Vartanian and Andrew Goodearl and Andrea Viehöver and Gerald Fischbach Axonal Neuregulin Signals Cells of the Oligodendrocyte Lineage through Activation of HER4 and Schwann Cells through HER2 and HER3 . . . . . . . . . 211 Sara M. Mariani and Bernd Matiba and Elena A. Armandola and Peter H. Krammer Interleukin 1$ \beta $-converting Enzyme Related Proteases/Caspases Are Involved in TRAIL-induced Apoptosis of Myeloma and Leukemia Cells . . . . . . . . . . . 221 V. M. Weaver and O. W. Petersen and F. Wang and C. A. Larabell and P. Briand and C. Damsky and M. J. Bissell Reversion of the Malignant Phenotype of Human Breast Cells in Three--Dimensional Culture and In Vivo by Integrin Blocking Antibodies . . . . . . . . . . . . . . . 231 Yousef Abu-Amer and F. Patrick Ross and Paul Schlesinger and M. Mehrdad Tondravi and Steven L. Teitelbaum Substrate Recognition by Osteoclast Precursors Induces C-src/Microtubule Association . . . . . . . . . . . . . . 247
Jose C. Reyes and Christian Muchardt and Moshe Yaniv Components of the Human SWI/SNF Complex Are Enriched in Active Chromatin and Are Associated with the Nuclear Matrix . . . 263 Sharon Wald Krauss and Carolyn A. Larabell and Stephen Lockett and Philippe Gascard and Sheldon Penman and Narla Mohandas and Joel Anne Chasis Structural Protein 4.1 in the Nucleus of Human Cells: Dynamic Rearrangements during Cell Division . . . . . . . . . . 275 Peter Buchenau and Harald Saumweber and Donna J. Arndt-Jovin The Dynamic Nuclear Redistribution of an hnRNP K-homologous Protein during \bionameDrosophila Embryo Development and Heat Shock. Flexibility of Transcription Sites In Vivo . . . . . . 291 Armin Rehm and Hidde L. Ploegh Assembly and Intracellular Targeting of the $ \beta \gamma $ Subunits of Heterotrimeric G Proteins . . . . . . . 305 Jochen Scheel and Rainer Pepperkok and Martin Lowe and Gareth Griffiths and Thomas E. Kreis Dissociation of Coatomer from Membranes Is Required for Brefeldin A--induced Transfer of Golgi Enzymes to the Endoplasmic Reticulum . . . . . . . . . 319 Roland Le Borgne and Bernard Hoflack Mannose 6-Phosphate Receptors Regulate the Formation of Clathrin-coated Vesicles in the TGN . . . . . . . . . . 335 Sven C. D. van IJzendoorn and Mirjam M. P. Zegers and Jan Willem Kok and Dick Hoekstra Segregation of Glucosylceramide and Sphingomyelin Occurs in the Apical to Basolateral Transcytotic Route in HepG2 Cells . . . . . . . . . . . . . . . . . 347 Pedro J. I. Salas and Marcelo L. Rodriguez and Ana L. Viciana and Dora E. Vega-Salas and Hans-Peter Hauri The Apical Submembrane Cytoskeleton Participates in the Organization of the Apical Pole in Epithelial Cells . . . . 359 Timothy A. Lohret and Robert E. Jensen and Kathleen W. Kinnally Tim23, a Protein Import Component of the Mitochondrial Inner Membrane, Is Required for Normal Activity of the Multiple Conductance Channel, MCC . . . 377 Frits Michiels and Jord C. Stam and Peter L. Hordijk and Rob A. van der Kammen and Lisette Ruuls-Van Stalle and Constance A. Feltkamp and John G. Collard Regulated Membrane Localization of Tiam1, Mediated by the NH$_2$-terminal Pleckstrin Homology Domain, Is Required for Rac-dependent Membrane Ruffling and C--Jun NH$_2$-terminal Kinase Activation 387 Kathryn R. Ayscough and Joel Stryker and Navin Pokala and Miranda Sanders and Phil Crews and David G. Drubin High Rates of Actin Filament Turnover in Budding Yeast and Roles for Actin in Establishment and Maintenance of Cell Polarity Revealed Using the Actin Inhibitor Latrunculin--A . . . . . . . . 399 William Saunders and David Hornack and Valerie Lengyel and Changchun Deng The \bionameSaccharomyces cerevisiae Kinesin-related Motor Kar3p Acts at Preanaphase Spindle Poles to Limit the Number and Length of Cytoplasmic Microtubules . . . . . . . . . . . . . . 417 Xiao Min Wang and Ye Zhai and James E. Ferrell A Role for Mitogen-activated Protein Kinase in the Spindle Assembly Checkpoint in XTC Cells . . . . . . . . 433 Anne Schmidt and Matthew J. Hannah and Wieland B. Huttner Synaptic-like Microvesicles of Neuroendocrine Cells Originate from a Novel Compartment That Is Continuous with the Plasma Membrane and Devoid of Transferrin Receptor . . . . . . . . . . 445 Bruce D. Trapp and Akiko Nishiyama and David Cheng and Wendy Macklin Differentiation and Death of Premyelinating Oligodendrocytes in Developing Rodent Brain . . . . . . . . 459 Marion MacFarlane and Kelvin Cain and Xiao-Ming Sun and Emad S. Alnemri and Gerald M. Cohen Processing\slash Activation of At Least Four Interleukin-1$ \beta $ Converting Enzyme-like Proteases Occurs during the Execution Phase of Apoptosis in Human Monocytic Tumor Cells . . . . . . . . . 469 Richard L. Klemke and Shuang Cai and Ana L. Giannini and Patricia J. Gallagher and Primal de Lanerolle and David A. Cheresh Regulation of Cell Motility by Mitogen-activated Protein Kinase . . . . 481 Miguel Angel del Pozo and Carlos Cabañas and María C. Montoya and Ann Ager and Paloma Sánchez-Mateos and Francisco Sánchez-Madrid ICAMs Redistributed by Chemokines to Cellular Uropods as a Mechanism for Recruitment of T Lymphocytes . . . . . . 493 Douglas J. Goetz and Daniel M. Greif and Han Ding and Raymond T. Camphausen and Steven Howes and Kenneth M. Comess and Karen R. Snapp and Geoffrey S. Kansas and Francis W. Luscinskas Isolated P-selectin Glycoprotein Ligand-1 Dynamic Adhesion to P- and E-selectin . . . . . . . . . . . . . . . 509
Jun Yang and Jimin Liu and Donald B. DeFranco Subnuclear Trafficking of Glucocorticoid Receptors In Vitro: Chromatin Recycling and Nuclear Export . . . . . . . . . . . 523 Heather B. McDonald and Breck Byers A Proteasome Cap Subunit Required for Spindle Pole Body Duplication in Yeast 539 Johanna M. Wahlberg and Martin Spiess Multiple Determinants Direct the Orientation of Signal--Anchor Proteins: The Topogenic Role of the Hydrophobic Signal Domain . . . . . . . . . . . . . 555 Gregory Jedd and Jon Mulholland and Nava Segev Two New Ypt GTPases Are Required for Exit From the Yeast trans -Golgi Compartment . . . . . . . . . . . . . . 563 Ellen J. Tisdale and Helen Plutner and Jeanne Matteson and William E. Balch p53/58 Binds COPI and Is Required for Selective Transport through the Early Secretory Pathway . . . . . . . . . . . 581 Regina Kuliawat and Judith Klumperman and Thomas Ludwig and Peter Arvan Differential Sorting of Lysosomal Enzymes Out of the Regulated Secretory Pathway in Pancreatic $ \beta $-Cells 595 John Kim and Sidney V. Scott and Michael N. Oda and Daniel J. Klionsky Transport of a Large Oligomeric Protein by the Cytoplasm to Vacuole Protein Targeting Pathway . . . . . . . . . . . 609 Lucinda I. Chen and Melanie K. Webster and April N. Meyer and Daniel J. Donoghue Transmembrane Domain Sequence Requirements for Activation of the p185$^{c - neu}$ Receptor Tyrosine Kinase . . . . . . . . . . . . . . . . . 619 Markus Hoth and Christopher M. Fanger and Richard S. Lewis Mitochondrial Regulation of Store-operated Calcium Signaling in T Lymphocytes . . . . . . . . . . . . . . 633 Takako Kato-Minoura and Masafumi Hirono and Ritsu Kamiya Chlamydomonas Inner--Arm Dynein Mutant, ida5, Has a Mutation in an Actin-encoding Gene . . . . . . . . . . 649 Zhao-hui Yang and G. Ian Gallicano and Qian-Chun Yu and Elaine Fuchs An Unexpected Localization of Basonuclin in the Centrosome, Mitochondria, and Acrosome of Developing Spermatids . . . 657 Alain J. Denzer and Ralph Brandenberger and Matthias Gesemann and Matthias Chiquet and Markus A. Ruegg Agrin Binds to the Nerve--Muscle Basal Lamina via Laminin . . . . . . . . . . . 671 Jeffrey H. Miner and Bruce L. Patton and Stephen I. Lentz and Debra J. Gilbert and William D. Snider and Nancy A. Jenkins and Neal G. Copeland and Joshua R. Sanes The Laminin $ \alpha $ Chains: Expression, Developmental Transitions, and Chromosomal Locations of $ \alpha $1-5, Identification of Heterotrimeric Laminins 8--11, and Cloning of a Novel $ \alpha $3 Isoform . . . . . . . . . . . 685 Timothy D. Garver and Qun Ren and Shmuel Tuvia and Vann Bennett Tyrosine Phosphorylation at a Site Highly Conserved in the L1 Family of Cell Adhesion Molecules Abolishes Ankyrin Binding and Increases Lateral Mobility of Neurofascin . . . . . . . . 703 Stefan Magez and Maurice Geuskens and Alain Beschin and Herwig del Favero and Hendrik Verschueren and Ralf Lucas and Etienne Pays and Patrick de Baetselier Specific Uptake of Tumor Necrosis Factor-$ \alpha $ Is Involved in Growth Control of Trypanosoma brucei . . . . . 715 C. Michael DiPersio and Kairbaan M. Hodivala-Dilke and Rudolf Jaenisch and Jordan A. Kreidberg and Richard O. Hynes $ \alpha $3$ \beta $1 Integrin Is Required for Normal Development of the Epidermal Basement Membrane . . . . . . 729 Jian-Guo Geng and Thomas J. Raub and Carolyn A. Baker and Geri A. Sawada and Li Ma and Åke P. Elhammer Expression of a P-selectin Ligand in \bionameZona Pellucida of Porcine Oocytes and P-selectin on Acrosomal Membrane of Porcine Sperm Cells. Potential Implications for Their Involvement in Sperm--Egg Interactions 743 Rachael A. Clark and Harold P. Erickson and Timothy A. Springer Tenascin Supports Lymphocyte Rolling . . 755 W. Yu and J. Kim and L. Ossowski Reduction in Surface Urokinase Receptor Forces Malignant Cells into a Protracted State of Dormancy . . . . . . . . . . . 767 Paola Franco and Ciro Iaccarino and Ferdinando Chiaradonna and Anna Brandazza and Carlo Iavarone and M. Rosaria Mastronicola and M. Luisa Nolli and M. Patrizia Stoppelli Phosphorylation of Human Pro--Urokinase on Ser$^{138 \slash 303}$ Impairs Its Receptor-dependent Ability to Promote Myelomonocytic Adherence and Motility 779
J. Troy Littleton and Manzoor A. Bhat and Hugo J. Bellen Deciphering the Function of Neurexins at Cellular Junctions . . . . . . . . . . . 793 M. Kathryn Iovine and Susan R. Wente A Nuclear Export Signal in Kap95p Is Required for Both Recycling the Import Factor and Interaction with the Nucleoporin GLFG Repeat Regions of Nup116p and Nup100p . . . . . . . . . . 797 Nina Saris and Heidi Holkeri and Rachel A. Craven and Colin J. Stirling and Marja Makarow The Hsp70 Homologue Lhs1p Is Involved in a Novel Function of the Yeast Endoplasmic Reticulum, Refolding and Stabilization of Heat-denatured Protein Aggregates . . . . . . . . . . . . . . . 813 Fernando A. Agarraberes and Stanley R. Terlecky and J. Fred Dice An Intralysosomal hsp70 Is Required for a Selective Pathway of Lysosomal Protein Degradation . . . . . . . . . . . . . . 825 Fiona Simpson and Andrew A. Peden and Lina Christopoulou and Margaret S. Robinson Characterization of the Adaptor-related Protein Complex, AP-3 . . . . . . . . . 835 Michael Koval and James E. Harley and Elizabeth Hick and Thomas H. Steinberg Connexin46 Is Retained as Monomers in a trans -Golgi Compartment of Osteoblastic Cells . . . . . . . . . . . . . . . . . 847 Feliciano Protasi and Clara Franzini-Armstrong and Bernhard E. Flucher Coordinated Incorporation of Skeletal Muscle Dihydropyridine Receptors and Ryanodine Receptors in Peripheral Couplings of BC$_3$ H1 Cells . . . . . . 859 Ji Woong Han and Jong Ho Park and Misook Kim and JooHun Lee mRNAs for Microtubule Proteins Are Specifically Colocalized during the Sequential Formation of Basal Body, Flagella, and Cytoskeletal Microtubules in the Differentiation of Naegleria gruberi . . . . . . . . . . . . . . . . 871 Robert D. C. Saunders and Maria do Carmo Avides and Thomas Howard and Cayetano Gonzalez and David M. Glover The \bionameDrosophila Gene abnormal spindle Encodes a Novel Microtubule-associated Protein That Associates with the Polar Regions of the Mitotic Spindle . . . . . . . . . . . . 881 Hiroyuki Adachi and Yasuhiro Takahashi and Takeshi Hasebe and Mikako Shirouzu and Shigeyuki Yokoyama and Kazuo Sutoh \bionameDictyostelium IQGAP-related Protein Specifically Involved in the Completion of Cytokinesis . . . . . . . 891 Hiroyuki Nishiyama and Katsuhiko Itoh and Yoshiyuki Kaneko and Masamichi Kishishita and Osamu Yoshida and Jun Fujita A Glycine-rich RNA-binding Protein Mediating Cold-inducible Suppression of Mammalian Cell Growth . . . . . . . . . 899 Frank Rauch and Bernhard Polzar and Harald Stephan and Silvia Zanotti and Renate Paddenberg and Hans Georg Mannherz Androgen Ablation Leads to an Upregulation and Intranuclear Accumulation of Deoxyribonuclease I in Rat Prostate Epithelial Cells Paralleling Their Apoptotic Elimination 909 Jill E. Hungerford and James P. Hoeffler and Chauncey W. Bowers and Lisa M. Dahm and Rocco Falchetto and Jeffrey Shabanowitz and Donald F. Hunt and Charles D. Little Identification of a Novel Marker for Primordial Smooth Muscle and Its Differential Expression Pattern in Contractile vs Noncontractile Cells . . 925 Robert A. Screaton and Linda Z. Penn and Clifford P. Stanners Carcinoembryonic Antigen, a Human Tumor Marker, Cooperates with Myc and Bcl-2 in Cellular Transformation . . . . . . . . 939 Kanaga T. Sabapathy and Michael S. Pepper and Friedemann Kiefer and Uta Möhle-Steinlein and Fabienne Tacchini-Cottier and Ingrid Fetka and Georg Breier and Werner Risau and Peter Carmeliet and Roberto Montesano and Erwin F. Wagner Polyoma Middle T-induced Vascular Tumor Formation: The Role of the Plasminogen Activator/Plasmin System . . . . . . . . 953
Sui Huang and Thomas J. Deerinck and Mark H. Ellisman and David L. Spector The Dynamic Organization of the Perinucleolar Compartment in the Cell Nucleus . . . . . . . . . . . . . . . . 965 Margarida Gama-Carvalho and Randy D. Krauss and Lijian Chiang and Juan Valcárcel and Michael R. Green and Maria Carmo-Fonseca Targeting of U2AF$^{65}$ to Sites of Active Splicing in the Nucleus . . . . . 975 Ricardo Bastos and Lluis Ribas de Pouplana and Mark Enarson and Khaldon Bodoor and Brian Burke Nup84, A Novel Nucleoporin That Is Associated With CAN/Nup214 on the Cytoplasmic Face of the Nuclear Pore Complex . . . . . . . . . . . . . . . . 989 Bettina Lenz-Böhme and Jasmine Wismar and Silke Fuchs and Rita Reifegerste and Erich Buchner and Heinrich Betz and Bertram Schmitt Insertional Mutation of the \bionameDrosophila Nuclear Lamin Dm$_0$ Gene Results in Defective Nuclear Envelopes, Clustering of Nuclear Pore Complexes, and Accumulation of Annulate Lamellae . . . . . . . . . . . . . . . . 1001 Inbok Paek and Lelio Orci and Mariella Ravazzola and Hediye Erdjument-Bromage and Mylene Amherdt and Paul Tempst and Thomas H. Söllner and James E. Rothman ERS-24, a Mammalian v--SNARE Implicated in Vesicle Traffic between the ER and the Golgi . . . . . . . . . . . . . . . 1017 Marie-José J. E. Bijlmakers and Misako Isobe-Nakamura and Lindsay J. Ruddock and Mark Marsh Intrinsic Signals in the Unique Domain Target p56 $^{\rm lck}$ to the Plasma Membrane Independently of CD4 . . . . . 1029 Toku Kanaseki and Kazunori Kawasaki and Masayuki Murata and Yoko Ikeuchi and Shun-ichi Ohnishi Structural Features of Membrane Fusion between Influenza Virus and Liposome as Revealed by Quick--Freezing Electron Microscopy . . . . . . . . . . . . . . . 1041 Sergio Anastasi and Silvia Giordano and Olga Sthandier and Giovanna Gambarotta and Rossella Maione and Paolo Comoglio and Paolo Amati A Natural Hepatocyte Growth Factor/Scatter Factor Autocrine Loop in Myoblast Cells and the Effect of the Constitutive Met Kinase Activation on Myogenic Differentiation . . . . . . . . 1057 Anthony Koutoulis and Gregory J. Pazour and Curtis G. Wilkerson and Kazuo Inaba and Hong Sheng and Saeko Takada and George B. Witman The Chlamydomonas reinhardtii ODA3 Gene Encodes a Protein of the Outer Dynein Arm Docking Complex . . . . . . . . . . 1069 Ramila S. Patel-King and Sharon E. Benashski and Alistair Harrison and Stephen M. King A Chlamydomonas Homologue of the Putative Murine t Complex Distorter Tctex-2 Is an Outer Arm Dynein Light Chain . . . . . . . . . . . . . . . . . 1081 Peter J. Koch and M. G. Mahoney and Hiroyasu Ishikawa and Leena Pulkkinen and Jouni Uitto and Leonard Shultz and George F. Murphy and Diana Whitaker-Menezes and John R. Stanley Targeted Disruption of the \bionamePemphigus Vulgaris Antigen (Desmoglein 3) Gene in Mice Causes Loss of Keratinocyte Cell Adhesion with a Phenotype Similar to \bionamePemphigus Vulgaris . . . . . . . . . . . . . . . . 1091 Jolanda van Hengel and Lionel Gohon and Erik Bruyneel and Stefan Vermeulen and Maria Cornelissen and Marc Mareel and Frans van Roy Protein Kinase C Activation Upregulates Intercellular Adhesion of $ \alpha $-Catenin--negative Human Colon Cancer Cell Variants via Induction of Desmosomes . . . . . . . . . . . . . . . 1103 David M. Farschon and Clément Couture and Tomas Mustelin and Donald D. Newmeyer Temporal Phases in Apoptosis Defined by the Actions of Src Homology 2 Domains, Ceramide, Bcl-2, Interleukin-1$ \beta $ Converting Enzyme Family Proteases, and a Dense Membrane Fraction . . . . . . . 1117 Andrzej Ptasznik and Gillian M. Beattie and Martin I. Mally and Vincenzo Cirulli and Ana Lopez and Alberto Hayek Phosphatidylinositol 3-Kinase Is a Negative Regulator of Cellular Differentiation . . . . . . . . . . . . 1127 Johannes M. Weiss and Jonathan Sleeman and Andreas C. Renkl and Henning Dittmar and Christian C. Termeer and Sabine Taxis and Norma Howells and Martin Hofmann and Gabriele Köhler and Erwin Schöpf and Helmut Ponta and Peter Herrlich and Jan C. Simon An Essential Role for CD44 Variant Isoforms in Epidermal Langerhans Cell and Blood Dendritic Cell Function . . . 1137 Thorsten Kirsch and Hyun-Duck Nah and Irving M. Shapiro and Maurizio Pacifici Regulated Production of Mineralization-competent Matrix Vesicles in Hypertrophic Chondrocytes . . . . . . 1149 Nancy R. Gough and Douglas M. Fambrough Different Steady State Subcellular Distributions of the Three Splice Variants of Lysosome-associated Membrane Protein LAMP-2 Are Determined Largely by the COOH-terminal Amino Acid Residue . . 1161 Patricia L. Graham and Jeffrey J. Johnson and Shaoru Wang and Marion H. Sibley and Malini C. Gupta and James M. Kramer Type IV Collagen Is Detectable in Most, but Not All, Basement Membranes of \bionameCaenorhabditis elegans and Assembles on Tissues That Do Not Express It . . . . . . . . . . . . . . . . . . . 1171 Malini C. Gupta and Patricia L. Graham and James M. Kramer Characterization of $ \alpha $1(IV) Collagen Mutations in \bionameCaenorhabditis elegans and the Effects of $ \alpha $1 and $ \alpha $2(IV) Mutations on Type IV Collagen Distribution . . . . . . . . . . . . . . 1185
Li Yang and Tinglu Guan and Larry Gerace Integral Membrane Proteins of the Nuclear Envelope Are Dispersed throughout the Endoplasmic Reticulum during Mitosis . . . . . . . . . . . . . 1199 David T. Shima and Kasturi Haldar and Rainer Pepperkok and Rose Watson and Graham Warren Partitioning of the Golgi Apparatus during Mitosis in Living HeLa Cells . . 1211 Caroline Whitehouse and Joy Burchell and Stephen Gschmeissner and Inka Brockhausen and Kenneth O. Lloyd and Joyce Taylor-Papadimitriou A Transfected Sialyltransferase That Is Elevated in Breast Cancer and Localizes to the medial/trans -Golgi Apparatus Inhibits the Development of core-$2$--based O--Glycans . . . . . . . 1229 Jan W. Slot and Gabriella Garruti and Sally Martin and Viola Oorschot and George Posthuma and Edward W. Kraegen and Ross Laybutt and Gaétan Thibault and David E. James Glucose Transporter (GLUT-4) Is Targeted to Secretory Granules in Rat Atrial Cardiomyocytes . . . . . . . . . . . . . 1243 Greg Odorizzi and Ian S. Trowbridge Structural Requirements for Basolateral Sorting of the Human Transferrin Receptor in the Biosynthetic and Endocytic Pathways of Madin--Darby Canine Kidney Cells . . . . . . . . . . 1255 Gary A. Eitzen and Rachel K. Szilard and Richard A. Rachubinski Enlarged Peroxisomes Are Present in Oleic Acid--grown Yarrowia lipolytica Overexpressing the PEX16 Gene Encoding an Intraperoxisomal Peripheral Membrane Peroxin . . . . . . . . . . . . . . . . 1265 Jens Lübeck and Lisa Heins and Jürgen Soll A Nuclear-coded Chloroplastic Inner Envelope Membrane Protein Uses a Soluble Sorting Intermediate upon Import into the Organelle . . . . . . . . . . . . . 1279 Tama Hasson and Peter G. Gillespie and Jesus A. Garcia and Richard B. MacDonald and Yi-dong Zhao and Ann G. Yee and Mark S. Mooseker and David P. Corey Unconventional Myosins in Inner--Ear Sensory Epithelia . . . . . . . . . . . 1287 Chikako Kitayama and Asako Sugimoto and Masayuki Yamamoto Type II Myosin Heavy Chain Encoded by the myo2 Gene Composes the Contractile Ring during Cytokinesis in \bionameSchizosaccharomyces pombe . . . 1309 Sharyn A. Endow and Donald J. Komma Spindle Dynamics during Meiosis in \bionameDrosophila Oocytes . . . . . . . 1321 Lynne D. Berry and Kathleen L. Gould Fission Yeast dim1$^+$ Encodes a Functionally Conserved Polypeptide Essential for Mitosis . . . . . . . . . 1337 Margaret Husta Butler and Carol David and Gian-Carlo Ochoa and Zachary Freyberg and Laurie Daniell and Detlev Grabs and Ottavio Cremona and Pietro De Camilli Amphiphysin II (SH3P9; BIN1), a Member of the Amphiphysin/Rvs Family, Is Concentrated in the Cortical Cytomatrix of Axon Initial Segments and Nodes of Ranvier in Brain and around T Tubules in Skeletal Muscle . . . . . . . . . . . . 1355 Stefan Ruepp and André Furger and Ursula Kurath and Christina Kunz Renggli and Andrew Hemphill and Reto Brun and Isabel Roditi Survival of Trypanosoma brucei in the Tsetse Fly Is Enhanced by the Expression of Specific Forms of Procyclin . . . . . 1369 Hél\`ene Marquis and Howard Goldfine and Daniel A. Portnoy Proteolytic Pathways of Activation and Degradation of a Bacterial Phospholipase C during Intracellular Infection by \bionameListeria monocytogenes . . . . . 1381 Akira Sakakibara and Mikio Furuse and Mitinori Saitou and Yuhko Ando-Akatsuka and Shoichiro Tsukita Possible Involvement of Phosphorylation of Occludin in Tight Junction Formation 1393 Pierre Savagner and Kenneth M. Yamada and Jean Paul Thiery The Zinc--Finger Protein Slug Causes Desmosome Dissociation, an Initial and Necessary Step for Growth Factor--induced Epithelial--Mesenchymal Transition . . . . . . . . . . . . . . . 1403 Vania M. M. Braga and Laura M. Machesky and Alan Hall and Neil A. Hotchin The Small GTPases Rho and Rac Are Required for the Establishment of Cadherin-dependent Cell--Cell Contacts 1421 Hirokazu Kashiwagi and Martin A. Schwartz and Martin Eigenthaler and K. A. Davis and Mark H. Ginsberg and Sanford J. Shattil Affinity Modulation of Platelet Integrin $ \alpha_{\rm IIb} \beta_3 $ by $ \beta_3 $-Endonexin, a Selective Binding Partner of the $ \beta_3 $ Integrin Cytoplasmic Tail . . . . . . . . . . . . 1433 Brian K. Pilcher and Jo Ann Dumin and Barry D. Sudbeck and Stephen M. Krane and Howard G. Welgus and William C. Parks The Activity of Collagenase-1 Is Required for Keratinocyte Migration on a Type I Collagen Matrix . . . . . . . . . 1445
James R. Abney and Bryan Cutler and Misty L. Fillbach and Daniel Axelrod and Bethe A. Scalettar Chromatin Dynamics in Interphase Nuclei and Its Implications for Nuclear Structure . . . . . . . . . . . . . . . 1459 Kevin J. Roberg and Neil Rowley and Chris A. Kaiser Physiological Regulation of Membrane Protein Sorting Late in the Secretory Pathway of \bionameSaccharomyces cerevisiae . . . . . . . . . . . . . . . 1469 Ann K. Corsi and Randy Schekman The Lumenal Domain of Sec63p Stimulates the ATPase Activity of BiP and Mediates BiP Recruitment to the Translocon in \bionameSaccharomyces cerevisiae . . . . 1483 Christiane Walch-Solimena and Ruth N. Collins and Peter J. Novick Sec2p Mediates Nucleotide Exchange on Sec4p and Is Involved in Polarized Delivery of Post-Golgi Vesicles . . . . 1495 Gabriele Fischer von Mollard and Steven F. Nothwehr and Tom H. Stevens The Yeast v--SNARE Vti1p Mediates Two Vesicle Transport Pathways through Interactions with the t--SNAREs Sed5p and Pep12p . . . . . . . . . . . . . . . 1511 Jianwei Liu and Thomas E. Hughes and William C. Sessa The First 35 Amino Acids and Fatty Acylation Sites Determine the Molecular Targeting of Endothelial Nitric Oxide Synthase into the Golgi Region of Cells: a Green Fluorescent Protein Study . . . 1525 Nedra F. Wilson and Mary J. Foglesong and William J. Snell The Chlamydomonas Mating Type Plus Fertilization Tubule, a Prototypic Cell Fusion Organelle: Isolation, Characterization, and In Vitro Adhesion to Mating Type Minus Gametes . . . . . . 1537 Anne-Marie Bashour and Aaron T. Fullerton and Matthew J. Hart and George S. Bloom IQGAP1, a Rac- and Cdc42-binding Protein, Directly Binds and Cross-links Microfilaments . . . . . . . . . . . . . 1555 Bruce F. McEwen and Amy B. Heagle and Grisel O. Cassels and Karolyn F. Buttle and Conly L. Rieder Kinetochore Fiber Maturation in PtK$_1$ Cells and Its Implications for the Mechanisms of Chromosome Congression and Anaphase Onset . . . . . . . . . . . . . 1567 Valter D. Longo and Lisa M. Ellerby and Dale E. Bredesen and Joan S. Valentine and Edith B. Gralla Human Bcl-2 Reverses Survival Defects in Yeast Lacking Superoxide Dismutase and Delays Death of Wild--Type Yeast . . . . 1581 Rytis Prekeris and David M. Terrian Brain Myosin V Is a Synaptic Vesicle-associated Motor Protein: Evidence for a Ca$^2 + $-dependent Interaction with the Synaptobrevin--Synaptophysin Complex . . 1589 Martijn F. B. G. Gebbink and Onno Kranenburg and Mieke Poland and Francis P. G. van Horck and Brahim Houssa and Wouter H. Moolenaar Identification of a Novel, Putative Rho-specific GDP/GTP Exchange Factor and a RhoA-binding Protein: Control of Neuronal Morphology . . . . . . . . . . 1603 Yosuke Takei and Satoru Kondo and Akihiro Harada and Satomi Inomata and Tetsuo Noda and Nobutaka Hirokawa Delayed Development of Nervous System in Mice Homozygous for Disrupted Microtubule-associated Protein 1B (MAP1B) Gene . . . . . . . . . . . . . . 1615 Veronique Vandevoorde and Guy Haegeman and Walter Fiers Induced Expression of Trimerized Intracellular Domains of the Human Tumor Necrosis Factor (TNF) p55 Receptor Elicits TNF Effects . . . . . . . . . . 1627 Russell D. J. Huby and Makio Iwashima and Arthur Weiss and Steven C. Ley ZAP-70 Protein Tyrosine Kinase Is Constitutively Targeted to the T Cell Cortex Independently of its SH2 Domains 1639 Anne L. Pollack and Angela I. M. Barth and Yoram Altschuler and W. James Nelson and Keith E. Mostov Dynamics of $ \beta $-Catenin Interactions with APC Protein Regulate Epithelial Tubulogenesis . . . . . . . . 1651 Frédérique Monier-Gavelle and Jean-Loup Duband Cross Talk between Adhesion Molecules: Control of N-cadherin Activity by Intracellular Signals Elicited by $ \beta $1 and $ \beta $3 Integrins in Migrating Neural Crest Cells . . . . . . 1663
Sergei I. Bannykh and William E. Balch Membrane Dynamics at the Endoplasmic Reticulum-Golgi Interface . . . . . . . 1 Alexander M. Ishov and Richard M. Stenberg and Gerd G. Maul Human Cytomegalovirus Immediate Early Interaction with Host Nuclear Structures: Definition of an Immediate Transcript Environment . . . . . . . . . 5 Robert A. Arkowitz and Nick Lowe A Small Conserved Domain in the Yeast Spa2p Is Necessary and Sufficient for Its Polarized Localization . . . . . . . 17 Sidney V. Scott and Misuzu Baba and Yoshinori Ohsumi and Daniel J. Klionsky Aminopeptidase I Is Targeted to the Vacuole by a Nonclassical Vesicular Mechanism . . . . . . . . . . . . . . . 37 Anna M. Castle and Amy Y. Huang and J. David Castle Passive Sorting in Maturing Granules of AtT-20 Cells: The Entry and Exit of Salivary Amylase and Proline-rich Protein . . . . . . . . . . . . . . . . 45 Noriko Takahashi and Takashi Kadowaki and Yoshio Yazaki and Yasushi Miyashita and Haruo Kasai Multiple Exocytotic Pathways in Pancreatic $ \beta $ Cells . . . . . . . 55 Dirk Görlich and Marylena Dabrowski and F. Ralf Bischoff and Ulrike Kutay and Peer Bork and Enno Hartmann and Siegfried Prehn and Elisa Izaurralde A Novel Class of RanGTP Binding Proteins 65 Matthew F. Peters and Marvin E. Adams and Stanley C. Froehner Differential Association of Syntrophin Pairs with the Dystrophin Complex . . . 81 Terry Lechler and Rong Li In Vitro Reconstitution of Cortical Actin Assembly Sites in Budding Yeast 95 P. T. Tran and R. A. Walker and E. D. Salmon A Metastable Intermediate State of Microtubule Dynamic Instability That Differs Significantly between Plus and Minus Ends . . . . . . . . . . . . . . . 105 Roger Altman and Douglas Kellogg Control of Mitotic Events by Nap1 and the Gin4 Kinase . . . . . . . . . . . . 119 Olivier Seksek and Joachim Biwersi and A. S. Verkman Translational Diffusion of Macromolecule-sized Solutes in Cytoplasm and Nucleus . . . . . . . . . . . . . . 131 Yueqiao Huang and John Jellies and Kristen M. Johansen and Jòrgen Johansen Differential Glycosylation of Tractin and LeechCAM, Two Novel Ig Superfamily Members, Regulates Neurite Extension and Fascicle Formation . . . . . . . . . . . 143 James P. O'Malley and Charlotte T. Moore and Miriam M. Salpeter Stabilization of Acetylcholine Receptors by Exogenous ATP and Its Reversal by cAMP and Calcium . . . . . . . . . . . . 159 Craig M. Coopersmith and Chitra Chandrasekaran and M. Shane McNevin and Jeffrey I. Gordon Bi-transgenic Mice Reveal that K-ras$^{\rm Val12}$ Augments a p53-independent Apoptosis When Small Intestinal Villus Enterocytes Reenter the Cell Cycle . . . . . . . . . . . . . 167 Masahiko Itoh and Akira Nagafuchi and Seiji Moroi and Shoichiro Tsukita Involvement of ZO-1 in Cadherin-based Cell Adhesion through Its Direct Binding to $ \alpha $ Catenin and Actin Filaments . . . . . . . . . . . . . . . 181 Nikolai A. Chitaev and Sergey M. Troyanovsky Direct Ca$^{2+}$-dependent Heterophilic Interaction between Desmosomal Cadherins, Desmoglein and Desmocollin, Contributes to Cell--Cell Adhesion . . . 193 Jong-Sun Kang and Min Gao and Jessica L. Feinleib and Philip D. Cotter and Sarah N. Guadagno and Robert S. Krauss CDO: an Oncogene-, Serum-, and Anchorage-regulated Member of the Ig/Fibronectin Type III Repeat Family 203
Javier F. Cáceres and Tom Misteli and Gavin R. Screaton and David L. Spector and Adrian R. Krainer Role of the Modular Domains of SR Proteins in Subnuclear Localization and Alternative Splicing Specificity . . . . 225 Christian R. Eckmann and Michael F. Jantsch Xlrbpa, a Double-stranded RNA-binding Protein Associated with Ribosomes and Heterogeneous Nuclear RNPs . . . . . . . 239 Leslie S. Kean and Althea M. Grant and Cesar Angeletti and Yannick Mahé and Karl Kuchler and Robert S. Fuller and J. Wylie Nichols Plasma Membrane Translocation of Fluorescent-labeled Phosphatidylethanolamine Is Controlled by Transcription Regulators, PDR1 and PDR3 . . . . . . . . . . . . . . . . . . 255 Jes Dietrich and Jesper Kastrup and Bodil L. Nielsen and Niels Òdum and Carsten Geisler Regulation and Function of the CD3$ \gamma $ DxxxLL Motif: a Binding Site for Adaptor Protein-1 and Adaptor Protein-2 in Vitro . . . . . . . . . . . 271 Elva Díaz and Frauke Schimmöller and Suzanne R. Pfeffer A Novel Rab9 Effector Required for Endosome--to--TGN Transport . . . . . . 283 Anne Müsch and David Cohen and Enrique Rodriguez-Boulan Myosin II Is Involved in the Production of Constitutive Transport Vesicles from the TGN . . . . . . . . . . . . . . . . 291 Mirjam M. P. Zegers and Dick Hoekstra Sphingolipid Transport to the Apical Plasma Membrane Domain in Human Hepatoma Cells Is Controlled by PKC and PKA Activity: a Correlation with Cell Polarity in HepG2 Cells . . . . . . . . 307 Harry F. G. Heijnen and Viola Oorschot and Jan J. Sixma and Jan W. Slot and David E. James Thrombin Stimulates Glucose Transport in Human Platelets via the Translocation of the Glucose Transporter GLUT-3 from $ \alpha $-Granules to the Cell Surface 323 Carol A. Charlton and William A. Mohler and Glenn L. Radice and Richard O. Hynes and Helen M. Blau Fusion Competence of Myoblasts Rendered Genetically Null for N--Cadherin in Culture . . . . . . . . . . . . . . . . 331 Achim Paululat and Anette Goubeaud and Christine Damm and Stefan Knirr and Susanne Burchard and Renate Renkawitz-Pohl The Mesodermal Expression of rolling stone (rost) Is Essential for Myoblast Fusion in \bionameDrosophila and Encodes a Potential Transmembrane Protein . . . 337 Jens Niewöhner and Igor Weber and Markus Maniak and Annette Müller-Taubenberger and Günther Gerisch Talin-Null Cells of \bionameDictyostelium Are Strongly Defective in Adhesion to Particle and Substrate Surfaces and Slightly Impaired in Cytokinesis . . . . . . . . . . . . . 349 Sally H. Zigmond and Michael Joyce and Jane Borleis and Gary M. Bokoch and Peter N. Devreotes Regulation of Actin Polymerization in Cell-free Systems by GTP$ \gamma $S and Cdc42 . . . . . . . . . . . . . . . . . 363 Matthew D. Welch and Angela H. DePace and Suzie Verma and Akihiro Iwamatsu and Timothy J. Mitchison The Human Arp2/3 Complex Is Composed of Evolutionarily Conserved Subunits and Is Localized to Cellular Regions of Dynamic Actin Filament Assembly . . . . . . . . 375 Sally P. Wheatley and Edward H. Hinchcliffe and Michael Glotzer and Anthony A. Hyman and Greenfield Sluder and Yu-li Wang CDK1 Inactivation Regulates Anaphase Spindle Dynamics and Cytokinesis In Vivo 385 Luke Alphey and Louise Parker and Gillian Hawcroft and Yiquan Guo and Kim Kaiser and Gareth Morgan KLP38B: a Mitotic Kinesin-related Protein That Binds PP1 . . . . . . . . . 395 Donna L. Senger and Robert B. Campenot Rapid Retrograde Tyrosine Phosphorylation of trkA and Other Proteins in Rat Sympathetic Neurons in Compartmented Cultures . . . . . . . . . 411 Tiziana Crepaldi and Alexis Gautreau and Paolo M. Comoglio and Daniel Louvard and Monique Arpin Ezrin Is an Effector of Hepatocyte Growth Factor--mediated Migration and Morphogenesis in Epithelial Cells . . . 423 Thomas Sternsdorf and Kirsten Jensen and Dirk Züchner and Hans Will Cellular Localization, Expression, and Structure of the Nuclear Dot Protein 52 435 Mariangela Mancini and Benjamin O. Anderson and Elizabeth Caldwell and Monireh Sedghinasab and Philip B. Paty and David M. Hockenbery Mitochondrial Proliferation and Paradoxical Membrane Depolarization during Terminal Differentiation and Apoptosis in a Human Colon Carcinoma Cell Line . . . . . . . . . . . . . . . 449 Martín I. García-Castro and Robert Anderson and Janet Heasman and Christopher Wylie Interactions between Germ Cells and Extracellular Matrix Glycoproteins during Migration and Gonad Assembly in the Mouse Embryo . . . . . . . . . . . . 471
Alexander A. Mironov and Peggy Weidman and Alberto Luini Variations on the Intracellular Transport Theme: Maturing Cisternae and Trafficking Tubules . . . . . . . . . . 481 Harold A. Fisk and Michael P. Yaffe Mutational Analysis of Mdm1p Function in Nuclear and Mitochondrial Inheritance 485 Ye-Guang Chen and Anirban Siddhanta and Cary D. Austin and Scott M. Hammond and Tsung-Chang Sung and Michael A. Frohman and Andrew J. Morris and Dennis Shields Phospholipase D Stimulates Release of Nascent Secretory Vesicles from the trans -Golgi Network . . . . . . . . . . 495 Victor Faúndez and Jim-Tong Horng and Regis B. Kelly ADP Ribosylation Factor 1 Is Required for Synaptic Vesicle Budding in PC12 Cells . . . . . . . . . . . . . . . . . 505 Tamara Darsow and Stephanie E. Rieder and Scott D. Emr A Multispecificity Syntaxin Homologue, Vam3p, Essential for Autophagic and Biosynthetic Protein Transport to the Vacuole . . . . . . . . . . . . . . . . 517 Robert C. Piper and Nia J. Bryant and Tom H. Stevens The Membrane Protein Alkaline Phosphatase Is Delivered to the Vacuole by a Route That Is Distinct from the VPS-dependent Pathway . . . . . . . . . 531 Mathilde Waser and Nasrin Mesaeli and Charlotte Spencer and Marek Michalak Regulation of Calreticulin Gene Expression by Calcium . . . . . . . . . 547 Michel O. Steinmetz and Kenneth N. Goldie and Ueli Aebi A Correlative Analysis of Actin Filament Assembly, Structure, and Dynamics . . . 559 Dorothy J. Roof and Annmarie Hayes and Michael Adamian and Athar H. Chishti and Tiansen Li Molecular Characterization of abLIM, a Novel Actin-binding and Double Zinc Finger Protein . . . . . . . . . . . . . 575 Mary Ruth S. Erickson and Brian J. Galletta and Susan M. Abmayr Drosophila myoblast city Encodes a Conserved Protein That Is Essential for Myoblast Fusion, Dorsal Closure, and Cytoskeletal Organization . . . . . . . 589 Richard I. Tuxworth and Janet L. Cheetham and Laura M. Machesky and George B. Spiegelmann and Gerald Weeks and Robert H. Insall \bionameDictyostelium RasG Is Required for Normal Motility and Cytokinesis, But Not Growth . . . . . . . . . . . . . . . 605 Rebecca Heald and Régis Tournebize and Anja Habermann and Eric Karsenti and Anthony Hyman Spindle Assembly in \bionameXenopus Egg Extracts: Respective Roles of Centrosomes and Microtubule Self--Organization . . . . . . . . . . . 615 Janet L. Carminati and Tim Stearns Microtubules Orient the Mitotic Spindle in Yeast through Dynein-dependent Interactions with the Cell Cortex . . . 629 Ganesan Gopalan and Clarence S. M. Chan and Peter J. Donovan A Novel Mammalian, Mitotic Spindle--associated Kinase Is Related to Yeast and Fly Chromosome Segregation Regulators . . . . . . . . . . . . . . . 643 Gerardo Morfini and Santiago Quiroga and Alberto Rosa and Kenneth Kosik and Alfredo Cáceres Suppression of KIF2 in PC12 Cells Alters the Distribution of a Growth Cone Nonsynaptic Membrane Receptor and Inhibits Neurite Extension . . . . . . . 657 Abraham S. C. Chyung and Barry D. Greenberg and David G. Cook and Robert W. Doms and Virginia M.-Y. Lee Novel $ \beta $-Secretase Cleavage of $ \beta $-Amyloid Precursor Protein in the Endoplasmic Reticulum/Intermediate Compartment of NT2N Cells . . . . . . . 671 Babette Aicher and Markus M. Lerch and Thomas Müller and James Schilling and Axel Ullrich Cellular Redistribution of Protein Tyrosine Phosphatases LAR and PTP$ \sigma $ by Inducible Proteolytic Processing . . . . . . . . . . . . . . . 681 Paola Chiozzi and Juana M. Sanz and Davide Ferrari and Simonetta Falzoni and Arrigo Aleotti and Gary N. Buell and Ginetta Collo and Francesco Di Virgilio Spontaneous Cell Fusion in Macrophage Cultures Expressing High Levels of the P2Z/P2X$_7$ Receptor . . . . . . . . . . 697 David W. Dawson and S. Frieda A. Pearce and Ruiqin Zhong and Roy L. Silverstein and William A. Frazier and Noël P. Bouck CD36 Mediates the In Vitro Inhibitory Effects of Thrombospondin-1 on Endothelial Cells . . . . . . . . . . . 707 Patricia Rousselle and Douglas R. Keene and Florence Ruggiero and Marie-France Champliaud and Michel van der Rest and Robert E. Burgeson Laminin 5 Binds the NC-1 Domain of Type VII Collagen . . . . . . . . . . . . . . 719
Wen-jie Luo and Amy Chang Novel Genes Involved in Endosomal Traffic in Yeast Revealed by Suppression of a Targeting-defective Plasma Membrane ATPase Mutant . . . . . . . . . . . . . 731 Peter J. Dempsey and Katherine S. Meise and Yoshino Yoshitake and Katsuzo Nishikawa and Robert J. Coffey Apical Enrichment of Human EGF Precursor in Madin--Darby Canine Kidney Cells Involves Preferential Basolateral Ectodomain Cleavage Sensitive to a Metalloprotease Inhibitor . . . . . . . 747 Timothy L. Cover and Phyllis I. Hanson and John E. Heuser Acid-induced Dissociation of VacA, the Helicobacter pylori Vacuolating Cytotoxin, Reveals Its Pattern of Assembly . . . . . . . . . . . . . . . . 759 Amy McGough and Brian Pope and Wah Chiu and Alan Weeds Cofilin Changes the Twist of F--Actin: Implications for Actin Filament Dynamics and Cellular Function . . . . . . . . . 771 Gregory M. Guild and Patricia S. Connelly and Michael K. Shaw and Lewis G. Tilney Actin Filament Cables in \bionameDrosophila Nurse Cells Are Composed of Modules That Slide Passively Past One Another during Dumping . . . . 783 Douglas N. Robinson and Lynn Cooley Drosophila Kelch Is an Oligomeric Ring Canal Actin Organizer . . . . . . . . . 799 Hui-qiao Sun and Keng-mean Lin and Helen L. Yin Gelsolin Modulates Phospholipase C Activity In Vivo through Phospholipid Binding . . . . . . . . . . . . . . . . 811 Guoling Tian and Sally A. Lewis and Becket Feierbach and Timothy Stearns and Heidi Rommelaere and Christophe Ampe and Nicholas J. Cowan Tubulin Subunits Exist in an Activated Conformational State Generated and Maintained by Protein Cofactors . . . . 821 David J. Sharp and Wenqian Yu and Lotfi Ferhat and Ryoko Kuriyama and David C. Rueger and Peter W. Baas Identification of a Microtubule-associated Motor Protein Essential for Dendritic Differentiation 833 Susan Spencer and Donald Dowbenko and Jill Cheng and Wenlu Li and Jennifer Brush and Suzan Utzig and Viesturs Simanis and Laurence A. Lasky PSTPIP: a Tyrosine Phosphorylated Cleavage Furrow--associated Protein that Is a Substrate for a PEST Tyrosine Phosphatase . . . . . . . . . . . . . . 845 Robert W. Burgess and David L. Deitcher and Thomas L. Schwarz The Synaptic Protein Syntaxin1 Is Required for Cellularization of \bionameDrosophila Embryos . . . . . . . 861 Bénédicte Dehouck and Laurence Fenart and Marie-Pierre Dehouck and Annick Pierce and Gérard Torpier and Roméo Cecchelli A New Function for the LDL Receptor: Transcytosis of LDL across the Blood--Brain Barrier . . . . . . . . . . 877 Yan-hua Chen and Christa Merzdorf and David L. Paul and Daniel A. Goodenough COOH Terminus of Occludin Is Required for Tight Junction Barrier Function in Early \bionameXenopus Embryos . . . . . 891 Gaël McGill and Akiko Shimamura and Richard C. Bates and Robert E. Savage and David E. Fisher Loss of Matrix Adhesion Triggers Rapid Transformation--Selective Apoptosis in Fibroblasts . . . . . . . . . . . . . . 901 Laura M. Machesky and Alan Hall Role of Actin Polymerization and Adhesion to Extracellular Matrix in Rac- and Rho-induced Cytoskeletal Reorganization . . . . . . . . . . . . . 913 Deborah J. G. Mackay and Fred Esch and Heinz Furthmayr and Alan Hall Rho- and Rac-dependent Assembly of Focal Adhesion Complexes and Actin Filaments in Permeabilized Fibroblasts: an Essential Role for Ezrin/Radixin/Moesin Proteins . . . . . . . . . . . . . . . . 927 Hiromi Sesaki and Estella F. S. Wong and Chi-Hung Siu The Cell Adhesion Molecule DdCAD-1 in \bionameDictyostelium Is Targeted to the Cell Surface by a Nonclassical Transport Pathway Involving Contractile Vacuoles 939
Andreas Merdes and Don W. Cleveland Pathways of Spindle Pole Formation: Different Mechanisms; Conserved Components . . . . . . . . . . . . . . . 953 Tim Stearns Motoring to the Finish: Kinesin and Dynein Work Together to Orient the Yeast Mitotic Spindle . . . . . . . . . . . . 957 Jennifer Philips and Ira Herskowitz Osmotic Balance Regulates Cell Fusion during Mating in \bionameSaccharomyces cerevisiae . . . . . . . . . . . . . . . 961 José R. Castón and Benes L. Trus and Frank P. Booy and Reed B. Wickner and Joseph S. Wall and Alasdair C. Steven Structure of L--A Virus: a Specialized Compartment for the Transcription and Replication of Double-stranded RNA . . . 975 Paul E. Ross and George R. Ehring and Michael D. Cahalan Dynamics of ATP-induced Calcium Signaling in Single Mouse Thymocytes . . 987 Guo-Qiang Bi and Robert L. Morris and Guochun Liao and Janet M. Alderton and Jonathan M. Scholey and Richard A. Steinhardt Kinesin- and Myosin-driven Steps of Vesicle Recruitment for Ca$^{2+}$-regulated Exocytosis . . . . . 999 Robert L. Morris and Jonathan M. Scholey Heterotrimeric Kinesin--II Is Required for the Assembly of Motile 9+2 Ciliary Axonemes on Sea Urchin Embryos . . . . . 1009 Todd M. DeZwaan and Eric Ellingson and David Pellman and David M. Roof Kinesin-related KIP3 of \bionameSaccharomyces cerevisiae Is Required for a Distinct Step in Nuclear Migration . . . . . . . . . . . . . . . 1023 Frank R. Cottingham and M. Andrew Hoyt Mitotic Spindle Positioning in \bionameSaccharomyces cerevisiae Is Accomplished by Antagonistically Acting Microtubule Motor Proteins . . . . . . . 1041 Tirso Gaglio and Mary A. Dionne and Duane A. Compton Mitotic Spindle Poles are Organized by Structural and Motor Proteins in Addition to Centrosomes . . . . . . . . 1055 Harald Felgner and Rainer Frank and Jacek Biernat and Eva-Maria Mandelkow and Eckhard Mandelkow and Beat Ludin and Andrew Matus and Manfred Schliwa Domains of Neuronal Microtubule-associated Proteins and Flexural Rigidity of Microtubules . . . 1067 Kevin Ainger and Daniela Avossa and Amy S. Diana and Christopher Barry and Elisa Barbarese and John H. Carson Transport and Localization Elements in Myelin Basic Protein mRNA . . . . . . . 1077 Thomas R. Cimato and Murray J. Ettinger and Xianbo Zhou and John M. Aletta Nerve Growth Factor--specific Regulation of Protein Methylation during Neuronal Differentiation of PC12 Cells . . . . . 1089 Hitoshi Nishijima and Hideo Nishitani and Takashi Seki and Takeharu Nishimoto A Dual-Specificity Phosphatase Cdc25B Is an Unstable Protein and Triggers p34$^{\rm cdc2}$ /Cyclin B Activation in Hamster BHK21 Cells Arrested with Hydroxyurea . . . . . . . . . . . . . . 1105 William C. Aird and Jay M. Edelberg and Hartmut Weiler-Guettler and William W. Simmons and Thomas W. Smith and Robert D. Rosenberg Vascular Bed--specific Expression of an Endothelial Cell Gene Is Programmed by the Tissue Microenvironment . . . . . . 1117 H. Makarenkova and D. L. Becker and C. Tickle and A. E. Warner Fibroblast Growth Factor 4 Directs Gap Junction Expression in the Mesenchyme of the Vertebrate Limb Bud . . . . . . . . 1125 David A. Nix and Mary C. Beckerle Nuclear--Cytoplasmic Shuttling of the Focal Contact Protein, Zyxin: a Potential Mechanism for Communication between Sites of Cell Adhesion and the Nucleus . . . . . . . . . . . . . . . . 1139 David D. Chang and Carol Wong and Healy Smith and Jenny Liu ICAP-1, a Novel $ \beta_1 $ Integrin Cytoplasmic Domain-associated Protein, Binds to a Conserved and Functionally Important NPXY Sequence Motif of $ \beta_1 $ Integrin . . . . . . . . . . . 1149 Lisbet Camper and Dick Heinegård and Evy Lundgren-Åkerlund Integrin $ \alpha $2$ \beta $1 Is a Receptor for the Cartilage Matrix Protein Chondroadherin . . . . . . . . . 1159 Ronen Alon and Shuqi Chen and Kamal D. Puri and Erik B. Finger and Timothy A. Springer The Kinetics of L-selectin Tethers and the Mechanics of Selectin-mediated Rolling . . . . . . . . . . . . . . . . 1169
Mikiko C. Siomi and Paul S. Eder and Naoyuki Kataoka and Lili Wan and Qing Liu and Gideon Dreyfuss Transportin-mediated Nuclear Import of Heterogeneous Nuclear RNP Proteins . . . 1181 Jan Ellenberg and Eric D. Siggia and Jorge E. Moreira and Carolyn L. Smith and John F. Presley and Howard J. Worman and Jennifer Lippincott-Schwartz Nuclear Membrane Dynamics and Reassembly in Living Cells: Targeting of an Inner Nuclear Membrane Protein in Interphase and Mitosis . . . . . . . . . . . . . . 1193 Hél\`ene Boeuf and Charlotte Hauss and Fabienne De Graeve and Nathalie Baran and Claude Kedinger Leukemia Inhibitory Factor-dependent Transcriptional Activation in Embryonic Stem Cells . . . . . . . . . . . . . . . 1207 Huiling He and Minh Lam and Thomas S. McCormick and Clark W. Distelhorst Maintenance of Calcium Homeostasis in the Endoplasmic Reticulum by Bcl-2 . . . 1219 Bjòrn Holst and Christine Tachibana and Jakob R. Winther Active Site Mutations in Yeast Protein Disulfide Isomerase Cause Dithiothreitol Sensitivity and a Reduced Rate of Protein Folding in the Endoplasmic Reticulum . . . . . . . . . . . . . . . 1229 Michele A. West and Nicholas A. Bright and Margaret S. Robinson The Role of ADP-ribosylation Factor and Phospholipase D in Adaptor Recruitment 1239 Roney O. Laine and William Zeile and Fan Kang and Daniel L. Purich and Frederick S. Southwick Vinculin Proteolysis Unmasks an ActA Homolog for Actin-based Shigella Motility . . . . . . . . . . . . . . . . 1255 Suranganie Dharmawardhane and Luraynne C. Sanders and Stuart S. Martin and R. Hugh Daniels and Gary M. Bokoch Localization of p21-Activated Kinase 1 (PAK1) to Pinocytic Vesicles and Cortical Actin Structures in Stimulated Cells . . . . . . . . . . . . . . . . . 1265 Mei Lu and Walter Witke and David J. Kwiatkowski and Kenneth S. Kosik Delayed Retraction of Filopodia in Gelsolin Null Mice . . . . . . . . . . . 1279 Daniel A. Starr and Byron C. Williams and Zexiao Li and Bijan Etemad-Moghadam and R. Kelly Dawe and Michael L. Goldberg Conservation of the Centromere/Kinetochore Protein ZW10 . . 1289 David J. Carroll and Chodavarapu S. Ramarao and Lisa M. Mehlmann and Serge Roche and Mark Terasaki and Laurinda A. Jaffe Calcium Release at Fertilization in Starfish Eggs Is Mediated by Phospholipase C$ \gamma $ . . . . . . . 1303 Toshinobu Tokumoto and Masakane Yamashita and Mika Tokumoto and Yoshinao Katsu and Ryo Horiguchi and Hiroko Kajiura and Yoshitaka Nagahama Initiation of Cyclin B Degradation by the 26S Proteasome upon Egg Activation 1313 Ann Redfield and Marvin T. Nieman and Karen A. Knudsen Cadherins Promote Skeletal Muscle Differentiation in Three-dimensional Cultures . . . . . . . . . . . . . . . . 1323 Christof Zitt and Alexander G. Obukhov and Carsten Strübing and Andrea Zobel and Frank Kalkbrenner and Andreas Lückhoff and Günter Schultz Expression of TRPC3 in Chinese Hamster Ovary Cells Results in Calcium-activated Cation Currents Not Related to Store Depletion . . . . . . . . . . . . . . . 1333 Pekka Kallunki and Gerald M. Edelman and Frederick S. Jones Tissue-specific Expression of the L1 Cell Adhesion Molecule Is Modulated by the Neural Restrictive Silencer Element 1343 Song Tang and Ying Jing Shen and Maria Elena DeBellard and Gitali Mukhopadhyay and James L. Salzer and Paul R. Crocker and Marie T. Filbin Myelin-associated Glycoprotein Interacts with Neurons via a Sialic Acid Binding Site at ARG118 and a Distinct Neurite Inhibition Site . . . . . . . . . . . . 1355 Fen-Biao Gao and Martin Raff Cell Size Control and a Cell-intrinsic Maturation Program in Proliferating Oligodendrocyte Precursor Cells . . . . 1367 Carlos Caulín and Guy S. Salvesen and Robert G. Oshima Caspase Cleavage of Keratin 18 and Reorganization of Intermediate Filaments during Epithelial Cell Apoptosis . . . . 1379 Kelly M. McNagny and Inger Pettersson and Fabio Rossi and Ingo Flamme and Andrej Shevchenko and Matthias Mann and Thomas Graf Thrombomucin, a Novel Cell Surface Protein that Defines Thrombocytes and Multipotent Hematopoietic Progenitors 1395 Juan M. Serrador and José L. Alonso-Lebrero and Miguel A. del Pozo and Heinz Furthmayr and Reinhard Schwartz-Albiez and Javier Calvo and Francisco Lozano and Francisco Sánchez-Madrid Moesin Interacts with the Cytoplasmic Region of Intercellular Adhesion Molecule-3 and Is Redistributed to the Uropod of T Lymphocytes during Cell Polarization . . . . . . . . . . . . . . 1409 Julie Famiglietti and Jing Sun and Horace M. DeLisser and Steven M. Albelda Tyrosine Residue in Exon 14 of the Cytoplasmic Domain of Platelet Endothelial Cell Adhesion Molecule-1 (PECAM-1/CD31) Regulates Ligand Binding Specificity . . . . . . . . . . . . . . 1425 Joanna C. Porter and Nancy Hogg Integrin Cross Talk: Activation of Lymphocyte Function-associated Antigen-1 on Human T Cells Alters $ \alpha $4$ \beta $1- and $ \alpha $5$ \beta $1-mediated Function . . . . . . . . . . 1437
Bahram Houchmandzadeh and John F. Marko and Didier Chatenay and Albert Libchaber Elasticity and Structure of Eukaryote Chromosomes Studied by Micromanipulation and Micropipette Aspiration . . . . . . 1 Tin Tin Su and Patrick H. O'Farrell Chromosome Association of Minichromosome Maintenance Proteins in \bionameDrosophila Mitotic Cycles . . . 13 Jason H. Brickner and Robert S. Fuller SOI1 Encodes a Novel, Conserved Protein That Promotes TGN--Endosomal Cycling of Kex2p and Other Membrane Proteins by Modulating the Function of Two TGN Localization Signals . . . . . . . . . . 23 Michelangelo Foti and Aram Mangasarian and Vincent Piguet and Daniel P. Lew and Karl-Heinz Krause and Didier Trono and Jean-Louis Carpentier Nef-mediated Clathrin-coated Pit Formation . . . . . . . . . . . . . . . 37 Harish Radhakrishna and Julie G. Donaldson ADP-Ribosylation Factor 6 Regulates a Novel Plasma Membrane Recycling Pathway 49 Mark Terasaki and Katsuya Miyake and Paul L. McNeil Large Plasma Membrane Disruptions Are Rapidly Resealed by Ca$^{2+}$-dependent Vesicle--Vesicle Fusion Events . . . . . 63 Douglas J. DeMarini and Alison E. M. Adams and Hanna Fares and Claudio De Virgilio and Giorgio Valle and John S. Chuang and John R. Pringle A Septin-based Hierarchy of Proteins Required for Localized Deposition of Chitin in the \bionameSaccharomyces cerevisiae Cell Wall . . . . . . . . . . 75 Stephanie Ruf and Hans Kössel and Ralph Bock Targeted Inactivation of a Tobacco Intron--containing Open Reading Frame Reveals a Novel Chloroplast-encoded Photosystem I--related Gene . . . . . . 95 Helena Webb and Nicola Carnall and Luc Vanhamme and Sylvie Rolin and Jakke Van Den Abbeele and Sue Welburn and Etienne Pays and Mark Carrington The GPI--Phospholipase C of Trypanosoma brucei Is Nonessential But Influences Parasitemia in Mice . . . . . . . . . . 103 Dietmar Zechner and Donna J. Thuerauf and Deanna S. Hanford and Patrick M. McDonough and Christopher C. Glembotski A Role for the p38 Mitogen-activated Protein Kinase Pathway in Myocardial Cell Growth, Sarcomeric Organization, and Cardiac-specific Gene Expression . . 115 Zhenlin Li and Mathias Mericskay and Onnik Agbulut and Gillian Butler-Browne and Lena Carlsson and Lars-Eric Thornell and Charles Babinet and Denise Paulin Desmin Is Essential for the Tensile Strength and Integrity of Myofibrils but Not for Myogenic Commitment, Differentiation, and Fusion of Skeletal Muscle . . . . . . . . . . . . . . . . . 129 Shao Jun Du and Stephen H. Devoto and Monte Westerfield and Randall T. Moon Positive and Negative Regulation of Muscle Cell Identity by Members of the hedgehog and TGF-$ \beta $ Gene Families 145 Pascal Pomi\`es and Heather A. Louis and Mary C. Beckerle CRP1, a LIM Domain Protein Implicated in Muscle Differentiation, Interacts with $ \alpha $-Actinin . . . . . . . . . . . . 157 David Reczek and Mark Berryman and Anthony Bretscher Identification of EBP50: a PDZ-containing Phosphoprotein that Associates with Members of the Ezrin--Radixin--Moesin Family . . . . . 169 J. E. Sugiyama and D. J. Glass and G. D. Yancopoulos and Z. W. Hall Laminin-induced Acetylcholine Receptor Clustering: an Alternative Pathway . . . 181 Peter Mundel and Hans W. Heid and Thomas M. Mundel and Meike Krüger and Jochen Reiser and Wilhelm Kriz Synaptopodin: an Actin-associated Protein in Telencephalic Dendrites and Renal Podocytes . . . . . . . . . . . . 193 Timothy M. Miller and Krista L. Moulder and C. Michael Knudson and Douglas J. Creedon and Mohanish Deshmukh and Stanley J. Korsmeyer and Eugene M. Johnson Bax Deletion Further Orders the Cell Death Pathway in Cerebellar Granule Cells and Suggests a Caspase-independent Pathway to Cell Death . . . . . . . . . 205 Marek Litwin and Katherine Clark and Leanne Noack and Jill Furze and Michael Berndt and Steven Albelda and Mathew Vadas and Jennifer Gamble Novel Cytokine-independent Induction of Endothelial Adhesion Molecules Regulated by Platelet/Endothelial Cell Adhesion Molecule (CD31) . . . . . . . . . . . . 219 Jeffrey R. Miller and Randall T. Moon Analysis of the Signaling Activities of Localization Mutants of $ \beta $-Catenin during Axis Specification in \bionameXenopus . . . . . . . . . . . . 229 J. J. Emeis and Y. van den Eijnden-Schrauwen and C. M. van den Hoogen and W. de Priester and A. Westmuckett and F. Lupu An Endothelial Storage Granule for Tissue--Type Plasminogen Activator . . . 245 Nancy Boudreau and Catherine Andrews and Anabella Srebrow and Ali Ravanpay and David A. Cheresh Induction of the Angiogenic Phenotype by Hox D3 . . . . . . . . . . . . . . . . . 257 Wilhelm Bloch and Erik Forsberg and Sylvia Lentini and Cord Brakebusch and Karl Martin and Hans W. Krell and Ulrich H. Weidle and Klaus Addicks and Reinhard Fässler $ \beta $1 Integrin Is Essential for Teratoma Growth and Angiogenesis . . . . 265 Peter Lloyd Jones and Julie Crack and Marlene Rabinovitch Regulation of Tenascin-C, a Vascular Smooth Muscle Cell Survival Factor that Interacts with the $ \alpha_v \beta_3 $ Integrin to Promote Epidermal Growth Factor Receptor Phosphorylation and Growth . . . . . . . . . . . . . . . . . 279 Ri-ichiroh Manabe and Naoko Oh-e and Toshinaga Maeda and Tomohiko Fukuda and Kiyotoshi Sekiguchi Modulation of Cell-adhesive Activity of Fibronectin by the Alternatively Spliced EDA Segment . . . . . . . . . . . . . . 295
Peter M. Lansdorp Lessons from Mice without Telomerase . . 309 Irene Boche and Ellen Fanning Nucleocytoplasmic Recycling of the Nuclear Localization Signal Receptor $ \alpha $ Subunit In Vivo Is Dependent on a Nuclear Export Signal, Energy, and RCC1 . . . . . . . . . . . . . . . . . . 313 Florence W. H. Ng and Mai Nguyen and Tony Kwan and Philip E. Branton and Donald W. Nicholson and James A. Cromlish and Gordon C. Shore p28 Bap31, a Bcl-2/Bcl--X$_L$- and Procaspase-8--associated Protein in the Endoplasmic Reticulum . . . . . . . . . 327 Steven M. Jones and Kathryn E. Howell Phosphatidylinositol 3--Kinase Is Required for the Formation of Constitutive Transport Vesicles from the TGN . . . . . . . . . . . . . . . . . . 339 Scott C. Milligan and James G. Alb and Raya B. Elagina and Vytas A. Bankaitis and David R. Hyde The Phosphatidylinositol Transfer Protein Domain of \bionameDrosophila Retinal Degeneration B Protein Is Essential for Photoreceptor Cell Survival and Recovery from Light Stimulation . . . . . . . . . . . . . . 351 Zhan Xiao and Ning Zhang and Douglas B. Murphy and Peter N. Devreotes Dynamic Distribution of Chemoattractant Receptors in Living Cells During Chemotaxis and Persistent Stimulation 365 Volker Straub and Jill A. Rafael and Jeffrey S. Chamberlain and Kevin P. Campbell Animal Models for Muscular Dystrophy Show Different Patterns of Sarcolemmal Disruption . . . . . . . . . . . . . . . 375 Dorit Hanein and Paul Matsudaira and David J. DeRosier Evidence for a Conformational Change in Actin Induced by Fimbrin (N375) Binding 387 Tatyana M. Svitkina and Alexander B. Verkhovsky and Kyle M. McQuade and Gary G. Borisy Analysis of the Actin--Myosin II System in Fish Epidermal Keratocytes: Mechanism of Cell Body Translocation . . . . . . . 397 Clare M. Waterman-Storer and E. D. Salmon Actomyosin-based Retrograde Flow of Microtubules in the Lamella of Migrating Epithelial Cells Influences Microtubule Dynamic Instability and Turnover and Is Associated with Microtubule Breakage and Treadmilling . . . . . . . . . . . . . . 417 Xuebiao Yao and Karen L. Anderson and Don W. Cleveland The Microtubule-dependent Motor Centromere--associated Protein E (CENP--E) Is an Integral Component of Kinetochore Corona Fibers That Link Centromeres to Spindle Microtubules . . 435 Yuka Nagata and Yoshinao Muro and Kazuo Todokoro Thrombopoietin-induced Polyploidization of Bone Marrow Megakaryocytes Is Due to a Unique Regulatory Mechanism in Late Mitosis . . . . . . . . . . . . . . . . 449 Carol A. Bascom-Slack and Dean S. Dawson The Yeast Motor Protein, Kar3p, Is Essential for Meiosis I . . . . . . . . 459 Janis K. Burkhardt and Christophe J. Echeverri and Tommy Nilsson and Richard B. Vallee Overexpression of the Dynamitin (p50) Subunit of the Dynactin Complex Disrupts Dynein-dependent Maintenance of Membrane Organelle Distribution . . . . . . . . . 469 Susan Janicki and Mervyn J. Monteiro Increased Apoptosis Arising from Increased Expression of the Alzheimer's Disease--associated Presenilin-2 Mutation (N141I) . . . . . . . . . . . . 485 Niklas R. Jòrgensen and Steven T. Geist and Roberto Civitelli and Thomas H. Steinberg ATP- and Gap Junction-dependent Intercellular Calcium Signaling in Osteoblastic Cells . . . . . . . . . . . 497 Houhui Xia and Sara T. Winokur and Wen-Lin Kuo and Michael R. Altherr and David S. Bredt Actinin-associated LIM Protein: Identification of a Domain Interaction between PDZ and Spectrin-like Repeat Motifs . . . . . . . . . . . . . . . . . 507 Kenji Mandai and Hiroyuki Nakanishi and Ayako Satoh and Hiroshi Obaishi and Manabu Wada and Hideo Nishioka and Masahiko Itoh and Akira Mizoguchi and Takeo Aoki and Toyoshi Fujimoto and Yoichi Matsuda and Shoichiro Tsukita and Yoshimi Takai Afadin: a Novel Actin Filament--binding Protein with One PDZ Domain Localized at Cadherin-based Cell--to--Cell Adherens Junction . . . . . . . . . . . . . . . . 517 Wen-cheng Xiong and J. Thomas Parsons Induction of Apoptosis after Expression of PYK2, a Tyrosine Kinase Structurally Related to Focal Adhesion Kinase . . . . 529 Rosa Serra and Mahlon Johnson and Ellen H. Filvaroff and James LaBorde and Daniel M. Sheehan and Rik Derynck and Harold L. Moses Expression of a Truncated, Kinase--Defective TGF-$ \beta $ Type II Receptor in Mouse Skeletal Tissue Promotes Terminal Chondrocyte Differentiation and Osteoarthritis . . . 541 Lucia Schuger and Amy P. N. Skubitz and Jun Zhang and Lydia Sorokin and Li He Laminin $ \alpha $1 Chain Synthesis in the Mouse Developing Lung: Requirement for Epithelial--Mesenchymal Contact and Possible Role in Bronchial Smooth muscle Development . . . . . . . . . . . . . . 553 M. Abi Abitorabi and Russell K. Pachynski and Ronald E. Ferrando and Mark Tidswell and David J. Erle Presentation of Integrins on Leukocyte Microvilli: a Role for the Extracellular Domain in Determining Membrane Localization . . . . . . . . . . . . . . 563
Martin Alexander Schwartz Integrins, Oncogenes, and Anchorage Independence . . . . . . . . . . . . . . 575 M. Cristina Cardoso and Cuthbert Joseph and Hans-Peter Rahn and Regina Reusch and Bernardo Nadal-Ginard and Heinrich Leonhardt Mapping and Use of a Sequence that Targets DNA Ligase I to Sites of DNA Replication In Vivo . . . . . . . . . . 579 Sankar Addya and Hindupur K. Anandatheerthavarada and Gopa Biswas and Shripad V. Bhagwat and Jayati Mullick and Narayan G. Avadhani Targeting of NH$_2$-terminal-processed Microsomal Protein to Mitochondria: A Novel Pathway for the Biogenesis of Hepatic Mitochondrial P450MT2 . . . . . 589 Mayte Montero and Javier Alvarez and Wilhelm J. J. Scheenen and Rosario Rizzuto and Jacopo Meldolesi and Tullio Pozzan Ca$^{2+}$ Homeostasis in the Endoplasmic Reticulum: Coexistence of High and Low [Ca$^{2+}$] Subcompartments in Intact HeLa Cells . . . . . . . . . . . . . . . 601 Daniel N. Hebert and Jian-Xin Zhang and Wei Chen and Brigitte Foellmer and Ari Helenius The Number and Location of Glycans on Influenza Hemagglutinin Determine Folding and Association with Calnexin and Calreticulin . . . . . . . . . . . . 613 Laurent Muller and Xiaorong Zhu and Iris Lindberg Mechanism of the Facilitation of PC2 Maturation by 7B2: Involvement in ProPC2 Transport and Activation but Not Folding 625 Monique J. Kleijmeer and Stanislaw Morkowski and Janice M. Griffith and Alexander Y. Rudensky and Hans J. Geuze Major Histocompatibility Complex Class II Compartments in Human and Mouse B Lymphoblasts Represent Conventional Endocytic Compartments . . . . . . . . . 639 Natalie Signoret and Joanne Oldridge and Annegret Pelchen-Matthews and Per J. Klasse and Thanh Tran and Lawrence F. Brass and Mette M. Rosenkilde and Thue W. Schwartz and William Holmes and Walt Dallas and Michael A. Luther and Timothy N. C. Wells and James A. Hoxie and Mark Marsh Phorbol Esters and SDF-1 Induce Rapid Endocytosis and Down Modulation of the Chemokine Receptor CXCR4 . . . . . . . . 651 Diane M. Ward and Jonathan D. Leslie and Jerry Kaplan Homotypic Lysosome Fusion in Macrophages: Analysis Using an In Vitro Assay . . . . . . . . . . . . . . . . . 665 S. A. Burgess and M. L. Walker and H. D. White and J. Trinick Flexibility within Myosin Heads Revealed by Negative Stain and Single--Particle Analysis . . . . . . . . . . . . . . . . 675 James D. Jontes and Ronald A. Milligan Brush Border Myosin--I Structure and ADP-dependent Conformational Changes Revealed by Cryoelectron Microscopy and Image Analysis . . . . . . . . . . . . . 683 Holger Schmitz and Mary C. Reedy and Michael K. Reedy and Richard T. Tregear and Kenneth A. Taylor Tomographic Three-dimensional Reconstruction of Insect Flight Muscle Partially Relaxed by AMPPNP and Ethylene Glycol . . . . . . . . . . . . . . . . . 695 G. D. Sterne and G. R. Coulton and R. A. Brown and C. J. Green and G. Terenghi Neurotrophin-$3$--enhanced Nerve Regeneration Selectively Improves Recovery of Muscle Fibers Expressing Myosin Heavy Chains 2b . . . . . . . . . 709 Jens D. Beinhauer and Iain M. Hagan and Johannes H. Hegemann and Ursula Fleig Mal3, the Fission Yeast Homologue of the Human APC-interacting Protein EB-1 Is Required for Microtubule Integrity and the Maintenance of Cell Form . . . . . . 717 Frank Madeo and Eleonore Fröhlich and Kai-Uwe Fröhlich A Yeast Mutant Showing Diagnostic Markers of Early and Late Apoptosis . . 729 Hideki Chiba and John Clifford and Daniel Metzger and Pierre Chambon Specific and Redundant Functions of Retinoid X Receptor/Retinoic Acid Receptor Heterodimers in Differentiation, Proliferation, and Apoptosis of F9 Embryonal Carcinoma Cells . . . . . . . . . . . . . . . . . 735 Takahisa Kondo and Kosei Takeuchi and Yoshinori Doi and Shigenobu Yonemura and Shigekazu Nagata and Shoichiro Tsukita and Sachiko Tsukita ERM (Ezrin/Radixin/Moesin)-based Molecular Mechanism of Microvillar Breakdown at an Early Stage of Apoptosis 749 Claudio Brancolini and Dean Lazarevic and Joe Rodriguez and Claudio Schneider Dismantling Cell--Cell Contacts during Apoptosis Is Coupled to a Caspase-dependent Proteolytic Cleavage of $ \beta $-Catenin . . . . . . . . . . 759 Andrew P. Kowalczyk and Elayne A. Bornslaeger and Jeffrey E. Borgwardt and Helena L. Palka and Avninder S. Dhaliwal and Connie M. Corcoran and Mitchell F. Denning and Kathleen J. Green The Amino-terminal Domain of Desmoplakin Binds to Plakoglobin and Clusters Desmosomal Cadherin--Plakoglobin Complexes . . . . . . . . . . . . . . . 773 Takaharu Yamamoto and Naozumi Harada and Kyoko Kano and Shin-ichiro Taya and Eli Canaani and Yoshiharu Matsuura and Akira Mizoguchi and Chizuka Ide and Kozo Kaibuchi The Ras Target AF-6 Interacts with ZO-1 and Serves as a Peripheral Component of Tight Junctions in Epithelial Cells . . 785 Frank N. van Leeuwen and Hendrie E. T. Kain and Rob A. van der Kammen and Frits Michiels and Onno W. Kranenburg and John G. Collard The Guanine Nucleotide Exchange Factor Tiam1 Affects Neuronal Morphology; Opposing Roles for the Small GTPases Rac and Rho . . . . . . . . . . . . . . . . 797 Karen L. Philpott and Mary Jane McCarthy and Anke Klippel and Lee L. Rubin Activated Phosphatidylinositol 3-Kinase and Akt Kinase Promote Survival of Superior Cervical Neurons . . . . . . . 809 Michaela Wilsch-Bräuninger and Heinz Schwarz and Christiane Nüsslein-Volhard A Sponge-like Structure Involved in the Association and Transport of Maternal Products during \bionameDrosophila Oogenesis . . . . . . . . . . . . . . . 817
Hong-Guo Yu and Evelyn N. Hiatt and Annette Chan and Mary Sweeney and R. Kelly Dawe Neocentromere-mediated Chromosome Movement in Maize . . . . . . . . . . . 831 Shingo Kose and Naoko Imamoto and Taro Tachibana and Takuya Shimamoto and Yoshihiro Yoneda Ran-unassisted Nuclear Migration of a 97-kD Component of Nuclear Pore--targeting Complex . . . . . . . . 841 Yu Liang and Monika Häring and Peter J. Roughley and Renée K. Margolis and Richard U. Margolis Glypican and Biglycan in the Nuclei of Neurons and Glioma Cells: Presence of Functional Nuclear Localization Signals and Dynamic Changes in Glypican During the Cell Cycle . . . . . . . . . . . . . 851 Nathalie Dejucq and Suzanne Chousterman and Bernard Jégou The Testicular Antiviral Defense System: Localization, Expression, and Regulation of 2'5' Oligoadenylate Synthetase, Double--Stranded RNA-activated Protein Kinase, and Mx Proteins in the Rat Seminiferous Tubule . . . . . . . . . . 865 Richard J. O. Barnard and Alan Morgan and Robert D. Burgoyne Stimulation of NSF ATPase Activity by $ \alpha $-SNAP Is Required for SNARE Complex Disassembly and Exocytosis . . . 875 Corey Smith and Erwin Neher Multiple Forms of Endocytosis In Bovine Adrenal Chromaffin Cells . . . . . . . . 885 Jesus A. Gutierrez and Jianming Yu and Susan Rivera and Marianne Wessling-Resnick Functional Expression Cloning and Characterization of SFT, a Stimulator of Fe Transport . . . . . . . . . . . . . . 895 Yongjian Liu and Robert H. Edwards Differential Localization of Vesicular Acetylcholine and Monoamine Transporters in PC12 Cells but Not CHO Cells . . . . 907 Anne E. West and Rachael L. Neve and Kathleen M. Buckley Targeting of the Synaptic Vesicle Protein Synaptobrevin in the Axon of Cultured Hippocampal Neurons: Evidence for Two Distinct Sorting Steps . . . . . 917 Charles Yeaman and Annick H. Le Gall and Anne N. Baldwin and Laure Monlauzeur and Andre Le Bivic and Enrique Rodriguez-Boulan The O-glycosylated Stalk Domain Is Required for Apical Sorting of Neurotrophin Receptors in Polarized MDCK Cells . . . . . . . . . . . . . . . . . 929 Wouter van't Hof and Abha Malik and S. Vijayakumar and Jizeng Qiao and Janet van Adelsberg and Qais Al-Awqati The Effect of Apical and Basolateral Lipids on the Function of the Band 3 Anion Exchange Protein . . . . . . . . . 941 Hiroyuki Nakanishi and Hiroshi Obaishi and Ayako Satoh and Manabu Wada and Kenji Mandai and Keiko Satoh and Hideo Nishioka and Yoshiharu Matsuura and Akira Mizoguchi and Yoshimi Takai Neurabin: a Novel Neural Tissue--specific Actin Filament--binding Protein Involved in Neurite Formation 951 Hiroshi Sato and Toshio Nagai and Dhandapani Kuppuswamy and Takahiro Narishige and Masaaki Koide and Donald R. Menick and George Cooper Microtubule Stabilization in Pressure Overload Cardiac Hypertrophy . . . . . . 963 Sòren S. L. Andersen and Eric Karsenti XMAP310: a \bionameXenopus Rescue-promoting Factor Localized to the Mitotic Spindle . . . . . . . . . . . . 975 Sidney L. Shaw and Elaine Yeh and Paul Maddox and E. D. Salmon and Kerry Bloom Astral Microtubule Dynamics in Yeast: a Microtubule-based Searching Mechanism for Spindle Orientation and Nuclear Migration into the Bud . . . . . . . . . 985 Manuela Vecchi and Graham Carpenter Constitutive Proteolysis of the ErbB-4 Receptor Tyrosine Kinase by a Unique, Sequential Mechanism . . . . . . . . . . 995 Fumiko Toyoshima and Tetsuo Moriguchi and Eisuke Nishida Fas Induces Cytoplasmic Apoptotic Responses and Activation of the MKK7-JNK/SAPK and MKK6-p38 Pathways Independent of CPP32-like Proteases . . 1005 Asim Khwaja and Julian Downward Lack of Correlation between Activation of Jun--NH$_2$-terminal Kinase and Induction of Apoptosis after Detachment of Epithelial Cells . . . . . . . . . . 1017 Glenn L. Radice and M. Celeste Ferreira-Cornwell and Stephen D. Robinson and Helen Rayburn and Lewis A. Chodosh and Masatoshi Takeichi and Richard O. Hynes Precocious Mammary Gland Development in P--Cadherin--deficient Mice . . . . . . 1025 Ravinder N. M. Sehgal and Barry M. Gumbiner and Louis F. Reichardt Antagonism of Cell Adhesion by an $ \alpha $-Catenin Mutant, and of the Wnt-signaling Pathway by $ \alpha $-Catenin in \bionameXenopus Embryos . . 1033 Kenji Takaishi and Takuya Sasaki and Hirokazu Kotani and Hideo Nishioka and Yoshimi Takai Regulation of Cell--Cell Adhesion by Rac and Rho Small G Proteins in MDCK Cells 1047
Christopher T. Beh and Valeria Brizzio and Mark D. Rose KAR5 Encodes a Novel Pheromone-inducible Protein Required for Homotypic Nuclear Fusion . . . . . . . . . . . . . . . . . 1063 Li Yang and Tinglu Guan and Larry Gerace Lamin-binding Fragment of LAP2 Inhibits Increase in Nuclear Volume during the Cell Cycle and Progression into S Phase 1077 Kazutoyo Terada and Masaki Kanazawa and Bernd Bukau and Masataka Mori The Human DnaJ Homologue dj2 Facilitates Mitochondrial Protein Import and Luciferase Refolding . . . . . . . . . . 1089 Charles Barlowe Coupled ER to Golgi Transport Reconstituted with Purified Cytosolic Proteins . . . . . . . . . . . . . . . . 1097 Alexander Mironov and Antonino Colanzi and Maria Giuseppina Silletta and Giusy Fiucci and Silvio Flati and Aurora Fusella and Roman Polishchuk and Alexander Mironov and Giuseppe Di Tullio and Roberto Weigert and Vivek Malhotra and Daniela Corda and Maria Antonietta De Matteis and Alberto Luini Role of NAD$^+$ and ADP--Ribosylation in the Maintenance of the Golgi Structure 1109 Manuel Rojo and Rainer Pepperkok and Gregory Emery and Roland Kellner and Espen Stang and Robert G. Parton and Jean Gruenberg Involvement of the Transmembrane Protein p23 in Biosynthetic Protein Transport 1119 Noah Sciaky and John Presley and Carolyn Smith and Kristien J. M. Zaal and Nelson Cole and Jorge E. Moreira and Mark Terasaki and Eric Siggia and Jennifer Lippincott-Schwartz Golgi Tubule Traffic and the Effects of Brefeldin A Visualized in Living Cells 1137 Tao Zhang and Siew Heng Wong and Bor Luen Tang and Yue Xu and Frank Peter and V. Nathan Subramaniam and Wanjin Hong The Mammalian Protein (rbet1) Homologous to Yeast Bet1p Is Primarily Associated with the Pre-Golgi Intermediate Compartment and Is Involved in Vesicular Transport from the Endoplasmic Reticulum to the Golgi Apparatus . . . . . . . . . 1157 Karl R. Fath and Gina M. Trimbur and David R. Burgess Molecular Motors and a Spectrin Matrix Associate with Golgi Membranes In Vitro 1169 Feng Gu and Fernando Aniento and Robert G. Parton and Jean Gruenberg Functional Dissection of COP--I Subunits in the Biogenesis of Multivesicular Endosomes . . . . . . . . . . . . . . . 1183 N. Doane Chilcoat and Aaron P. Turkewitz In Vivo Analysis of the Major Exocytosis-sensitive Phosphoprotein in \bionameTetrahymena . . . . . . . . . . 1197 Jennifer M. Green and Alan D. Schreiber and Eric J. Brown Role for a Glycan Phosphoinositol Anchor in Fc$ \gamma $ Receptor Synergy . . . . 1209 Leslie J. R. Acakpo-Satchivi and Winfried Edelmann and Carol Sartorius and Brian D. Lu and Philip A. Wahr and Simon C. Watkins and Joseph M. Metzger and Leslie Leinwand and Raju Kucherlapati Growth and Muscle Defects in Mice Lacking Adult Myosin Heavy Chain Genes 1219 Anja Baumeister and Silvia Arber and Pico Caroni Accumulation of Muscle Ankyrin Repeat Protein Transcript Reveals Local Activation of Primary Myotube Endcompartments during Muscle Morphogenesis . . . . . . . . . . . . . 1231 R. J. Eddy and J. Han and J. S. Condeelis Capping Protein Terminates but Does Not Initiate Chemoattractant-induced Actin Assembly in \bionameDictyostelium . . . 1243 Kersi N. Pestonjamasp and Robert K. Pope and Julia D. Wulfkuhle and Elizabeth J. Luna Supervillin (p205): a Novel Membrane-associated, F-Actin-binding Protein in the Villin/Gelsolin Superfamily . . . . . . . . . . . . . . 1255 Peijing Jeremy Wang and Tim C. Huffaker Stu2p: a Microtubule-Binding Protein that Is an Essential Component of the Yeast Spindle Pole Body . . . . . . . . 1271 Keith G. Wolter and Yi-Te Hsu and Carolyn L. Smith and Amotz Nechushtan and Xu-Guang Xi and Richard J. Youle Movement of Bax from the Cytosol to Mitochondria during Apoptosis . . . . . 1281 Phyllis L. Faust and Mary E. Hatten Targeted Deletion of the PEX2 Peroxisome Assembly Gene in Mice Provides a Model for Zellweger Syndrome, a Human Neuronal Migration Disorder . . . . . . . . . . . 1293 Bin Zhang and Pang-hsien Tu and Farhad Abtahian and John Q. Trojanowski and Virginia M.-Y. Lee Neurofilaments and Orthograde Transport Are Reduced in Ventral Root Axons of Transgenic Mice that Express Human SOD1 with a G93A Mutation . . . . . . . . . . 1307 Yonghong Li and Pamela Maher and David Schubert Requirement for cGMP in Nerve Cell Death Caused by Glutathione Depletion . . . . 1317 Daniela Salomon and Paula A. Sacco and Sujata Guha Roy and Inbal Simcha and Keith R. Johnson and Margaret J. Wheelock and Avri Ben-Ze'ev Regulation of $ \beta $-Catenin Levels and Localization by Overexpression of Plakoglobin and Inhibition of the Ubiquitin--Proteasome System . . . . . . 1325 Sergey V. Litvinov and Maarten Balzar and Manon J. Winter and Hellen A. M. Bakker and Inge H. Briaire-de Bruijn and Frans Prins and Gert Jan Fleuren and Sven O. Warnaar Epithelial Cell Adhesion Molecule (Ep--CAM) Modulates Cell--Cell Interactions Mediated by Classic Cadherins . . . . . . . . . . . . . . . 1337 Ellen F. Foxman and James J. Campbell and Eugene C. Butcher Multistep Navigation and the Combinatorial Control of Leukocyte Chemotaxis . . . . . . . . . . . . . . . 1349
Isabel Molina and Sigrid Baars and Julie A. Brill and Karen G. Hales and Margaret T. Fuller and Pedro Ripoll A Chromatin-associated Kinesin-related Protein Required for Normal Mitotic Chromosome Segregation in \bionameDrosophila . . . . . . . . . . . 1361 B. T. Schaar and G. K. T. Chan and P. Maddox and E. D. Salmon and T. J. Yen CENP-E Function at Kinetochores Is Essential for Chromosome Alignment . . . 1373 Christopher W. Espelin and Kenneth B. Kaplan and Peter K. Sorger Probing the Architecture of a Simple Kinetochore Using DNA--Protein Crosslinking . . . . . . . . . . . . . . 1383 Wim G. Annaert and Bernd Becker and Ute Kistner and Michael Reth and Reinhard Jahn Export of Cellubrevin from the Endoplasmic Reticulum Is Controlled by BAP31 . . . . . . . . . . . . . . . . . 1397 Michael Maceyka and Carolyn E. Machamer Ceramide Accumulation Uncovers a Cycling Pathway for the cis -Golgi Network Marker, Infectious Bronchitis Virus M Protein . . . . . . . . . . . . . . . . 1411 Hans R. Waterham and Kimberly A. Russell and Yne de Vries and James M. Cregg Peroxisomal Targeting, Import, and Assembly of Alcohol Oxidase in Pichia pastoris . . . . . . . . . . . . . . . . 1419 Giorgio Ferrari and Andrew M. Knight and Colin Watts and Jean Pieters Distinct Intracellular Compartments Involved in Invariant Chain Degradation and Antigenic Peptide Loading of Major Histocompatibility Complex (MHC) Class II Molecules . . . . . . . . . . . . . . 1433 Thomas P. Stauffer and Tobias Meyer Compartmentalized IgE Receptor--mediated Signal Transduction in Living Cells . . 1447 Lorraine D. Hernandez and Reuben J. Peters and Sue E. Delos and John A. T. Young and David A. Agard and Judith M. White Activation of a Retroviral Membrane Fusion Protein: Soluble Receptor-induced Liposome Binding of the ALSV Envelope Glycoprotein . . . . . . . . . . . . . . 1455 Norio Sakai and Keiko Sasaki and Natsu Ikegaki and Yasuhito Shirai and Yoshitaka Ono and Naoaki Saito Direct Visualization of the Translocation of the $ \gamma $-Subspecies of Protein Kinase C in Living Cells Using Fusion Proteins with Green Fluorescent Protein . . . . . . . 1465 D. C. Ghislaine Mayer and Leslie A. Leinwand Sarcomeric Gene Expression and Contractility in Myofibroblasts . . . . 1477 Martina H. Lauber and Irene Waizenegger and Thomas Steinmann and Heinz Schwarz and Ulrike Mayer and Inwhan Hwang and Wolfgang Lukowitz and Gerd Jürgens The Arabidopsis KNOLLE Protein Is a Cytokinesis-specific Syntaxin . . . . . 1485 Steven Einheber and George Zanazzi and William Ching and Steven Scherer and Teresa A. Milner and Elior Peles and James L. Salzer The Axonal Membrane Protein Caspr, a Homologue of Neurexin IV, Is a Component of the Septate-like Paranodal Junctions That Assemble during Myelination . . . . 1495 Bruce L. Patton and Jeffrey H. Miner and Arlene Y. Chiu and Joshua R. Sanes Distribution and Function of Laminins in the Neuromuscular System of Developing, Adult, and Mutant Mice . . . . . . . . . 1507 Sòren Skov and Pia Klausen and Mogens H. Claesson Ligation of Major Histocompatability Complex (MHC) Class I Molecules on Human T Cells Induces Cell Death through PI-3 Kinase-induced c-Jun NH$_2$-terminal Kinase Activity: A Novel Apoptotic Pathway Distinct from Fas-induced Apoptosis . . . . . . . . . . . . . . . 1523 Yuan Su and Yufang Shi and Melissa A. Stolow and Yun-Bo Shi Thyroid Hormone Induces Apoptosis in Primary Cell Cultures of Tadpole Intestine: Cell Type Specificity and Effects of Extracellular Matrix . . . . 1533 D. Holstead Jones and Tyler C. Davies and Gerald M. Kidder Embryonic Expression of the Putative $ \gamma $ Subunit of the Sodium Pump Is Required for Acquisition of Fluid Transport Capacity during Mouse Blastocyst Development . . . . . . . . . 1545 Olivier Lorentz and Isabelle Duluc and Ad\`ele De Arcangelis and Patricia Simon-Assmann and Mich\`ele Kedinger and Jean-Noël Freund Key Role of the Cdx2 Homeobox Gene in Extracellular Matrix--mediated Intestinal Cell Differentiation . . . . 1553 Brunhilde Felding-Habermann and Steve Silletti and Fang Mei and Chi-Hung Siu and Paul M. Yip and Peter C. Brooks and David A. Cheresh and Timothy E. O'Toole and Mark H. Ginsberg and Anthony M. P. Montgomery A Single Immunoglobulin-like Domain of the Human Neural Cell Adhesion Molecule L1 Supports Adhesion by Multiple Vascular and Platelet Integrins . . . . 1567 Alexey M. Belkin and S. Francesco Retta and Olga Y. Pletjushkina and Fiorella Balzac and Lorenzo Silengo and Reinhard Fassler and Victor E. Koteliansky and Keith Burridge and Guido Tarone Muscle $ \beta $1D Integrin Reinforces the Cytoskeleton--Matrix Link: Modulation of Integrin Adhesive Function by Alternative Splicing . . . . . . . . 1583
João Ferreira and Giovanni Paolella and Carlos Ramos and Angus I. Lamond Spatial Organization of Large-Scale Chromatin Domains in the Nucleus: a Magnified View of Single Chromosome Territories . . . . . . . . . . . . . . 1597 Renée LeMaire-Adkins and Kristi Radke and Patricia A. Hunt Lack of Checkpoint Control at the Metaphase/Anaphase Transition: a Mechanism of Meiotic Nondisjunction in Mammalian Females . . . . . . . . . . . 1611 Thomas Sternsdorf and Kirsten Jensen and Hans Will Evidence for Covalent Modification of the Nuclear Dot-associated Proteins PML and Sp100 by PIC1/SUMO-1 . . . . . . . . 1621 Davide Ferrari and Sebastian Wesselborg and Manuel K. A. Bauer and Klaus Schulze-Osthoff Extracellular ATP Activates Transcription Factor NF-$ \kappa $B through the P2Z Purinoreceptor by Selectively Targeting NF-$ \kappa $B p65 (RelA) . . . . . . . . . . . . . . . . . 1635 Lucy F. Pemberton and Jonathan S. Rosenblum and Günter Blobel A Distinct and Parallel Pathway for the Nuclear Import of an mRNA-binding Protein . . . . . . . . . . . . . . . . 1645 Jonathan S. Rosenblum and Lucy F. Pemberton and Günter Blobel A Nuclear Import Pathway for a Protein Involved in tRNA Maturation . . . . . . 1655 Oliver Kerscher and Jason Holder and Maithreyan Srinivasan and Roxanne S. Leung and Robert E. Jensen The Tim54p--Tim22p Complex Mediates Insertion of Proteins into the Mitochondrial Inner Membrane . . . . . . 1663 Andrei Kouranov and Danny J. Schnell Analysis of the Interactions of Preproteins with the Import Machinery over the Course of Protein Import into Chloroplasts . . . . . . . . . . . . . . 1677 Misuzu Baba and Masako Osumi and Sidney V. Scott and Daniel J. Klionsky and Yoshinori Ohsumi Two Distinct Pathways for Targeting Proteins from the Cytoplasm to the Vacuole/Lysosome . . . . . . . . . . . . 1687 Christopher V. Nicchitta and Tianli Zheng Regulation of the Ribosome--Membrane Junction at Early Stages of Presecretory Protein Translocation in the Mammalian Endoplasmic Reticulum . . . . . . . . . 1697 Helmut Plattner and Antonio R. Artalejo and Erwin Neher Ultrastructural Organization of Bovine Chromaffin Cell Cortex --- Analysis by Cryofixation and Morphometry of Aspects Pertinent to Exocytosis . . . . . . . . 1709 Gseping Liu and Laurel Thomas and Robin A. Warren and Caroline A. Enns and C. Casey Cunningham and John H. Hartwig and Gary Thomas Cytoskeletal Protein ABP-280 Directs the Intracellular Trafficking of Furin and Modulates Proprotein Processing in the Endocytic Pathway . . . . . . . . . . . 1719 Nathan Wolins and Herbert Bosshart and Helmut Küster and Juan S. Bonifacino Aggregation As a Determinant of Protein Fate in Post-Golgi Compartments: Role of the Luminal Domain of Furin in Lysosomal Targeting . . . . . . . . . . . . . . . 1735 Elizabeth Daro and David Sheff and Marie Gomez and Thomas Kreis and Ira Mellman Inhibition of Endosome Function in CHO Cells Bearing a Temperature-sensitive Defect in the Coatomer (COPI) Component $ \epsilon $-COP . . . . . . . . . . . . 1747 J. David Stepp and Kristen Huang and Sandra K. Lemmon The Yeast Adaptor Protein Complex, AP-3, Is Essential for the Efficient Delivery of Alkaline Phosphatase by the Alternate Pathway to the Vacuole . . . . . . . . . 1761 Erik L. Snapp and Scott M. Landfear Cytoskeletal Association Is Important for Differential Targeting of Glucose Transporter Isoforms in Leishmania . . . 1775 Xiaojun Guan and Benjamin F. Cravatt and George R. Ehring and James E. Hall and Dale L. Boger and Richard A. Lerner and Norton B. Gilula The Sleep-inducing Lipid Oleamide Deconvolutes Gap Junction Communication and Calcium Wave Transmission in Glial Cells . . . . . . . . . . . . . . . . . 1785 Ralph Neujahr and Christina Heizer and Richard Albrecht and Maria Ecke and Jean-Marc Schwartz and Igor Weber and Günther Gerisch Three-dimensional Patterns and Redistribution of Myosin II and Actin in Mitotic \bionameDictyostelium Cells . . 1793 Pascale Jordan and Roger Karess Myosin Light Chain--activating Phosphorylation Sites Are Required for Oogenesis in \bionameDrosophila . . . . 1805 Gabriela Vaduva and Nancy C. Martin and Anita K. Hopper Actin-binding Verprolin Is a Polarity Development Protein Required for the Morphogenesis and Function of the Yeast Actin Cytoskeleton . . . . . . . . . . . 1821 Christiana Ruhrberg and M. A. Nasser Hajibagheri and David A. D. Parry and Fiona M. Watt Periplakin, a Novel Component of Cornified Envelopes and Desmosomes That Belongs to the Plakin Family and Forms Complexes with Envoplakin . . . . . . . 1835 Peter Kueng and Zariana Nikolova and Valentin Djonov and Andrew Hemphill and Valeria Rohrbach and Dominik Boehlen and Gisela Zuercher and Anne-Catherine Andres and Andrew Ziemiecki A Novel Family of Serine/Threonine Kinases Participating in Spermiogenesis 1851 André Lochter and Sybille Galosy and John Muschler and Neal Freedman and Zena Werb and Mina J. Bissell Matrix Metalloproteinase Stromelysin-1 Triggers a Cascade of Molecular Alterations That Leads to Stable Epithelial--to--Mesenchymal Conversion and a Premalignant Phenotype in Mammary Epithelial Cells . . . . . . . . . . . . 1861 Isaac Rabinovitz and Arthur M. Mercurio The Integrin $ \alpha $6$ \beta $4 Functions in Carcinoma Cell Migration on Laminin-1 by Mediating the Formation and Stabilization of Actin-containing Motility Structures . . . . . . . . . . 1873
Nelson B. Cole and Jan Ellenberg and Jia Song and Diane DiEuliis and Jennifer Lippincott-Schwartz Retrograde Transport of Golgi-localized Proteins to the ER . . . . . . . . . . . 1 Reinhard Gabathuler and Judie Alimonti and Qian-Jin Zhang and Gerassimos Kolaitis and Gregor Reid and Wilfred A. Jefferies Surrogate Antigen Processing Mediated by TAP-dependent Antigenic Peptide Secretion . . . . . . . . . . . . . . . 17 Aaron M. Neiman Prospore Membrane Formation Defines a Developmentally Regulated Branch of the Secretory Pathway in Yeast . . . . . . . 29 Xiaohui Zha and Lynda M. Pierini and Philip L. Leopold and Paul J. Skiba and Ira Tabas and Frederick R. Maxfield Sphingomyelinase Treatment Induces ATP-independent Endocytosis . . . . . . 39 Bettina Huhse and Peter Rehling and Markus Albertini and Lars Blank and Karl Meller and Wolf-H. Kunau Pex17p of \bionameSaccharomyces cerevisiae Is a Novel Peroxin and Component of the Peroxisomal Protein Translocation Machinery . . . . . . . . 49 Christian Ungermann and Benjamin J. Nichols and Hugh R. B. Pelham and William Wickner A Vacuolar v--t--SNARE Complex, the Predominant Form In Vivo and on Isolated Vacuoles, Is Disassembled and Activated for Docking and Fusion . . . . . . . . . 61 Richard J. Cherry and Keith M. Wilson and Kathy Triantafilou and Peter O'Toole and Ian E. G. Morrison and Patricia R. Smith and Nelson Fernández Detection of Dimers of Dimers of Human Leukocyte Antigen (HLA)--DR on the Surface of Living Cells by Single--Particle Fluorescence Imaging 71 Simon A. Rudge and Andrew J. Morris and JoAnne Engebrecht Relocalization of Phospholipase D Activity Mediates Membrane Formation During Meiosis . . . . . . . . . . . . . 81 Malini Vashishtha and Thomas Phalen and Marianne T. Marquardt and Jae S. Ryu and Alice C. Ng and Margaret Kielian A Single Point Mutation Controls the Cholesterol Dependence of Semliki Forest Virus Entry and Exit . . . . . . . . . . 91 William Zerges and Jean-David Rochaix Low Density Membranes Are Associated with RNA-binding Proteins and Thylakoids in the Chloroplast of Chlamydomonas reinhardtii . . . . . . . . . . . . . . 101 Catherine Lindon and Didier Montarras and Christian Pinset Cell Cycle--regulated Expression of the Muscle Determination Factor Myf5 in Proliferating Myoblasts . . . . . . . . 111 Fumio Matsumura and Shoichiro Ono and Yoshihiko Yamakita and Go Totsukawa and Shigeko Yamashiro Specific Localization of Serine 19 Phosphorylated Myosin II during Cell Locomotion and Mitosis of Cultured Cells 119 Helena Melander Gradin and Niklas Larsson and Ulrica Marklund and Martin Gullberg Regulation of Microtubule Dynamics by Extracellular Signals: cAMP-dependent Protein Kinase Switches Off the Activity of Oncoprotein 18 in Intact Cells . . . 131 Christopher M. Adams and Michael G. Anderson and David G. Motto and Margaret P. Price and Wayne A. Johnson and Michael J. Welsh Ripped Pocket and Pickpocket, Novel \bionameDrosophila DEG/ENaC Subunits Expressed in Early Development and in Mechanosensory Neurons . . . . . . . . . 143 Yasuki Ishizaki and Michael D. Jacobson and Martin C. Raff A Role for Caspases in Lens Fiber Differentiation . . . . . . . . . . . . 153 Yohei Hirai and André Lochter and Sybille Galosy and Shogo Koshida and Shinichiro Niwa and Mina J. Bissell Epimorphin Functions as a Key Morphoregulator for Mammary Epithelial Cells . . . . . . . . . . . . . . . . . 159 Yoshinori Aragane and Dagmar Kulms and Dieter Metze and Gabriele Wilkes and Birgit Pöppelmann and Thomas A. Luger and Thomas Schwarz Ultraviolet Light Induces Apoptosis via Direct Activation of CD95 (Fas/APO-1) Independently of Its Ligand CD95L . . . 171 Phoebe White and Hermann Aberle and Jean-Paul Vincent Signaling and Adhesion Activities of Mammalian $ \beta $-Catenin and Plakoglobin in \bionameDrosophila . . . 183 Jonathan M. G. Higgins and Didier A. Mandlebrot and Sunil K. Shaw and Gary J. Russell and Elizabeth A. Murphy and Yih-Tai Chen and W. James Nelson and Christina M. Parker and Michael B. Brenner Direct and Regulated Interaction of Integrin $ \alpha_E \beta_7 $ with E-Cadherin . . . . . . . . . . . . . . . 197 Leslie A. Cary and Dong Cho Han and Thomas R. Polte and Steven K. Hanks and Jun-Lin Guan Identification of p130$^{\rm Cas}$ as a Mediator of Focal Adhesion Kinase-promoted Cell Migration . . . . . 211 Noam E. Ziv and Micha E. Spira Induction of Growth Cone Formation by Transient and Localized Increases of Intracellular Proteolytic Activity . . . 223 Peter Carmeliet and Lieve Moons and Mieke Dewerchin and Steven Rosenberg and Jean-Marc Herbert and Florea Lupu and Désiré Collen Receptor-independent Role of Urokinase--Type Plasminogen Activator in Pericellular Plasmin and Matrix Metalloproteinase Proteolysis during Vascular Wound Healing in Mice . . . . . 233
Yoshie Tange and Tetsuya Horio and Mizuki Shimanuki and Da-Qiao Ding and Yasushi Hiraoka and Osami Niwa A Novel Fission Yeast Gene, tht1$^+$, Is Required for the Fusion of Nuclear Envelopes during Karyogamy . . . . . . . 247 Rohit Mahajan and Larry Gerace and Frauke Melchior Molecular Characterization of the SUMO-1 Modification of RanGAP1 and Its Role in Nuclear Envelope Association . . . . . . 259 Xuequn Helen Hua and John Newport Identification of a Preinitiation Step in DNA Replication That Is Independent of Origin Recognition Complex and cdc6, but Dependent on cdk2 . . . . . . . . . 271 Jean-Claude Lozano and Philippe Schatt and François Marqu\`es and Gérard Peaucellier and Philippe Fort and Jean-Pierre Féral and Anne-Marie Genevi\`ere and André Picard A Presumptive Developmental Role for a Sea Urchin Cyclin B Splice Variant . . . 283 Elaine C. Davis and Thomas J. Broekelmann and Yuji Ozawa and Robert P. Mecham Identification of Tropoelastin as a Ligand for the 65-kD FK506-binding Protein, FKBP65, in the Secretory Pathway . . . . . . . . . . . . . . . . 295 Giulia Baldini and Giovanna Baldini and Guangyi Wang and Mattew Weber and Marina Zweyer and Renato Bareggi and Joan W. Witkin and Alberto M. Martelli Expression of Rab3D N135I Inhibits Regulated Secretion of ACTH in AtT-20 Cells . . . . . . . . . . . . . . . . . 305 Isabel Muñoz-Barroso and Stewart Durell and Kazuyasu Sakaguchi and Ettore Appella and Robert Blumenthal Dilation of the Human Immunodeficiency Virus--1 Envelope Glycoprotein Fusion Pore Revealed by the Inhibitory Action of a Synthetic Peptide from gp41 . . . . 315 Aldebaran M. Hofer and Cristina Fasolato and Tullio Pozzan Capacitative Ca$^{2+}$ Entry Is Closely Linked to the Filling State of Internal Ca$^{2+}$ Stores: a Study Using Simultaneous Measurements of I$_{\rm CRAC}$ and Intraluminal [Ca$^{2+}$] . . 325 Stefan Wünsch and Cecilia P. Sanchez and Michael Gekle and Lars Große-Wortmann and Jochen Wiesner and Michael Lanzer Differential Stimulation of the Na$^+$ /H$^+$ Exchanger Determines Chloroquine Uptake in \bionamePlasmodium falciparum 335 Feizhou Liu and Christopher C. Bauer and Irving Ortiz and Richard G. Cook and Michael F. Schmid and Henry F. Epstein $ \beta $-Filagenin, a Newly Identified Protein Coassembling with Myosin and Paramyosin in \bionameCaenorhabditis elegans . . . . . . . . . . . . . . . . 347 John Lippincott and Rong Li Sequential Assembly of Myosin II, an IQGAP-like Protein, and Filamentous Actin to a Ring Structure Involved in Budding Yeast Cytokinesis . . . . . . . 355 Thomas M. Roberts and E. D. Salmon and Murray Stewart Hydrostatic Pressure Shows That Lamellipodial Motility in Ascaris Sperm Requires Membrane-associated Major Sperm Protein Filament Nucleation and Elongation . . . . . . . . . . . . . . . 367 Rita K. Miller and Mark D. Rose Kar9p Is a Novel Cortical Protein Required for Cytoplasmic Microtubule Orientation in Yeast . . . . . . . . . . 377 Fridoon J. Ahmad and Christophe J. Echeverri and Richard B. Vallee and Peter W. Baas Cytoplasmic Dynein and Dynactin Are Required for the Transport of Microtubules into the Axon . . . . . . . 391 Thomas Moll and Elisabetta Dejana and Dietmar Vestweber In Vitro Degradation of Endothelial Catenins by a Neutrophil Protease . . . 403 Motomi Enomoto-Iwamoto and Masahiro Iwamoto and Yoshiki Mukudai and Yasuhiko Kawakami and Tsutomu Nohno and Yoshinobu Higuchi and Seiji Takemoto and Hideyo Ohuchi and Sumihare Noji and Kojiro Kurisu Bone Morphogenetic Protein Signaling Is Required for Maintenance of Differentiated Phenotype, Control of Proliferation, and Hypertrophy in Chondrocytes . . . . . . . . . . . . . . 409 Themis R. Kyriakides and Yu-Hong Zhu and Lynne T. Smith and Steven D. Bain and Zhantao Yang and Ming T. Lin and Keith G. Danielson and Renato V. Iozzo and Mary LaMarca and Cindy E. McKinney and Edward I. Ginns and Paul Bornstein Mice That Lack Thrombospondin 2 Display Connective Tissue Abnormalities That Are Associated with Disordered Collagen Fibrillogenesis, an Increased Vascular Density, and a Bleeding Diathesis . . . 419 Timothy P. Skelton and Chunxun Zeng and Aaron Nocks and Ivan Stamenkovic Glycosylation Provides Both Stimulatory and Inhibitory Effects on Cell Surface and Soluble CD44 Binding to Hyaluronan 431
Tin Tin Su and Patrick H. O'Farrell Chromosome Association of Minichromosome Maintenance Proteins in \bionameDrosophila Endoreplication Cycles . . . . . . . . . . . . . . . . . 451 Scott Erdman and Li Lin and Michael Malczynski and Michael Snyder Pheromone-regulated Genes Required for Yeast Mating Differentiation . . . . . . 461 Elena Oancea and Mary N. Teruel and Andrew F. G. Quest and Tobias Meyer Green Fluorescent Protein (GFP)-tagged Cysteine-rich Domains from Protein Kinase C as Fluorescent Indicators for Diacylglycerol Signaling in Living Cells 485 Michael J. Matunis and Jian Wu and Günter Blobel SUMO-1 Modification and Its Role in Targeting the Ran GTPase-activating Protein, RanGAP1, to the Nuclear Pore Complex . . . . . . . . . . . . . . . . 499 Scott Happe and Peggy Weidman Cell-free Transport to Distinct Golgi Cisternae Is Compartment Specific and ARF Independent . . . . . . . . . . . . 511 Laurence Abrami and Marc Fivaz and Pierre-Etienne Glauser and Robert G. Parton and F. van der Goot A Pore-forming Toxin Interacts with a GPI-anchored Protein and Causes Vacuolation of the Endoplasmic Reticulum 525 Harold D. Love and Chung-Chih Lin and Craig S. Short and Joachim Ostermann Isolation of Functional Golgi-derived Vesicles with a Possible Role in Retrograde Transport . . . . . . . . . . 541 Alicia Llorente and Andrzej Rapak and Sandra L. Schmid and Bo van Deurs and Kirsten Sandvig Expression of Mutant Dynamin Inhibits Toxicity and Transport of Endocytosed Ricin to the Golgi Apparatus . . . . . . 553 Maria L. Wei and Frank Bonzelius and Rebecca M. Scully and Regis B. Kelly and Gary A. Herman GLUT4 and Transferrin Receptor Are Differentially Sorted Along the Endocytic Pathway in CHO Cells . . . . . 565 Wolfgang Voos and Tom H. Stevens Retrieval of Resident Late-Golgi Membrane Proteins from the Prevacuolar Compartment of \bionameSaccharomyces cerevisiae Is Dependent on the Function of Grd19p . . . . . . . . . . . . . . . 577 Barbara M. Mullock and Nicholas A. Bright and Clare W. Fearon and Sally R. Gray and J. Luzio Fusion of Lysosomes with Late Endosomes Produces a Hybrid Organelle of Intermediate Density and Is NSF Dependent . . . . . . . . . . . . . . . 591 Crislyn D'Souza-Schorey and Elly van Donselaar and Victor W. Hsu and Chunzhi Yang and Philip D. Stahl and Peter J. Peters ARF6 Targets Recycling Vesicles to the Plasma Membrane: Insights from an Ultrastructural Investigation . . . . . 603 Concetta Lipardi and Rosalia Mora and Veronica Colomer and Simona Paladino and Lucio Nitsch and Enrique Rodriguez-Boulan and Chiara Zurzolo Caveolin Transfection Results in Caveolae Formation but Not Apical Sorting of Glycosylphosphatidylinositol (GPI)-anchored Proteins in Epithelial Cells . . . . . . . . . . . . . . . . . 617 Jason C. Mills and Nicole L. Stone and Joseph Erhardt and Randall N. Pittman Apoptotic Membrane Blebbing Is Regulated by Myosin Light Chain Phosphorylation 627 Josée N. Lavoie and M. Nguyen and R. C. Marcellus and P. E. Branton and G. C. Shore E4orf4, a Novel Adenovirus Death Factor That Induces p53-independent Apoptosis by a Pathway That Is Not Inhibited by zVAD-fmk . . . . . . . . . . . . . . . . 637 Takeshi Matsui and Masato Maeda and Yoshinori Doi and Shigenobu Yonemura and Mutsuki Amano and Kozo Kaibuchi and Sachiko Tsukita and Shoichiro Tsukita Rho-Kinase Phosphorylates COOH-terminal Threonines of Ezrin/Radixin/Moesin (ERM) Proteins and Regulates Their Head-to-Tail Association . . . . . . . . 647 Takao Nakata and Sumio Terada and Nobutaka Hirokawa Visualization of the Dynamics of Synaptic Vesicle and Plasma Membrane Proteins in Living Axons . . . . . . . . 659 S. J. Wood and C. R. Slater $ \beta $-Spectrin Is Colocalized with Both Voltage-gated Sodium Channels and Ankyrin$_G$ at the Adult Rat Neuromuscular Junction . . . . . . . . . 675 Chung-Jiuan Jeng and Steven A. McCarroll and Thomas F. J. Martin and Erik Floor and James Adams and David Krantz and Stefan Butz and Robert Edwards and Erik S. Schweitzer Thy-1 Is a Component Common to Multiple Populations of Synaptic Vesicles . . . . 685 Mairi P. Stewart and Alison McDowall and Nancy Hogg LFA-$1$-mediated Adhesion Is Regulated by Cytoskeletal Restraint and by a Ca$^{2+}$-dependent Protease, Calpain 699 Jiahua Xu and Mary M. Zutter and Samuel A. Santoro and Richard A. F. Clark A Three-dimensional Collagen Lattice Activates NF-$ \kappa $B in Human Fibroblasts: Role in Integrin $ \alpha_2 $ Gene Expression and Tissue Remodeling 709 Rachael A. Clark and Robert C. Fuhlbrigge and Timothy A. Springer L-Selectin Ligands That Are O -glycoprotease Resistant and Distinct from MECA-79 Antigen are Sufficient for Tethering and Rolling of Lymphocytes on Human High Endothelial Venules . . . . . 721
J. Michael Lord and Lynne M. Roberts Toxin Entry: Retrograde Transport through the Secretory Pathway . . . . . 733 Huan-You Wang and Wen Lin and Jacqueline A. Dyck and Joanne M. Yeakley and Zhou Songyang and Lewis C. Cantley and Xiang-Dong Fu SRPK2: A Differentially Expressed SR Protein-specific Kinase Involved in Mediating the Interaction and Localization of Pre-mRNA Splicing Factors in Mammalian Cells . . . . . . . 737 Michel Dominguez and Kurt Dejgaard and Joachim Füllekrug and Sophie Dahan and Ali Fazel and Jean-Pierre Paccaud and David Y. Thomas and John J. M. Bergeron and Tommy Nilsson gp25L\slash emp24/p24 Protein Family Members of the cis- Golgi Network Bind Both COP I and II Coatomer . . . . . . . 751 Lilach Gilboa and Rebecca G. Wells and Harvey F. Lodish and Yoav I. Henis Oligomeric Structure of Type I and Type II Transforming Growth Factor $ \beta $ Receptors: Homodimers Form in the ER and Persist at the Plasma Membrane . . . . . 767 Yisang Yoon and Kelly R. Pitts and Sophie Dahan and Mark A. McNiven A Novel Dynamin-like Protein Associates with Cytoplasmic Vesicles and Tubules of the Endoplasmic Reticulum in Mammalian Cells . . . . . . . . . . . . . . . . . 779 P. Scheiffele and P. Verkade and A. M. Fra and H. Virta and K. Simons and E. Ikonen Caveolin-1 and -2 in the Exocytic Pathway of MDCK Cells . . . . . . . . . 795 Ype Elgersma and Minetta Elgersma-Hooisma and Thibaut Wenzel and J. Michael McCaffery and Marilyn G. Farquhar and Suresh Subramani A Mobile PTS2 Receptor for Peroxisomal Protein Import in Pichia pastoris . . . 807 Arthur Partikian and Bence Ölveczky and R. Swaminathan and Yuxin Li and A. S. Verkman Rapid Diffusion of Green Fluorescent Protein in the Mitochondrial Matrix . . 821 Feliciano Protasi and Clara Franzini-Armstrong and Paul D. Allen Role of Ryanodine Receptors in the Assembly of Calcium Release Units in Skeletal Muscle . . . . . . . . . . . . 831 R. A. Moore and H. Nguyen and J. Galceran and I. N. Pessah and P. D. Allen A Transgenic Myogenic Cell Line Lacking Ryanodine Receptor Protein for Homologous Expression Studies: Reconstitution of Ry$_1$ R Protein and Function . . . . . . . . . . . . . . . . 843 Karoly Trombitás and Marion Greaser and Siegfried Labeit and Jian-Ping Jin and Miklós Kellermayer and Michiel Helmes and Henk Granzier Titin Extensibility In Situ: Entropic Elasticity of Permanently Folded and Permanently Unfolded Molecular Segments 853 Bente Lowin-Kropf and Virginia Smith Shapiro and Arthur Weiss Cytoskeletal Polarization of T Cells Is Regulated by an Immunoreceptor Tyrosine-based Activation Motif-dependent Mechanism . . . . . . . 861 S. H. Lillie and S. S. Brown Smy1p, a Kinesin-related Protein That Does Not Require Microtubules . . . . . 873 Shigenobu Yonemura and Motohiro Hirao and Yoshinori Doi and Nobuyuki Takahashi and Takahisa Kondo and Sachiko Tsukita and Shoichiro Tsukita Ezrin\slash Radixin\slash Moesin (ERM) Proteins Bind to a Positively Charged Amino Acid Cluster in the Juxta--Membrane Cytoplasmic Domain of CD44, CD43, and ICAM-2 . . . . . . . . . 885 Valerie A. Lantz and Kathryn G. Miller A Class VI Unconventional Myosin Is Associated with a Homologue of a Microtubule-binding Protein, Cytoplasmic Linker Protein--170, in Neurons and at the Posterior Pole of \bionameDrosophila Embryos . . . . . . . . . . . . . . . . 897 Shernaz X. Bamji and Marta Majdan and Christine D. Pozniak and Daniel J. Belliveau and Raquel Aloyz and Judi Kohn and Carrie G. Causing and Freda D. Miller The p75 Neurotrophin Receptor Mediates Neuronal Apoptosis and Is Essential for Naturally Occurring Sympathetic Neuron Death . . . . . . . . . . . . . . . . . 911 Alexander Gow and Cherie M. Southwood and Robert A. Lazzarini Disrupted Proteolipid Protein Trafficking Results in Oligodendrocyte Apoptosis in an Animal Model of Pelizaeus--Merzbacher Disease . . . . . 925 Gerald F. Späth and Mary C. Weiss Hepatocyte Nuclear Factor 4 Provokes Expression of Epithelial Marker Genes, Acting As a Morphogen in Dedifferentiated Hepatoma Cells . . . . 935 Sybille Esser and Karen Wolburg and Hartwig Wolburg and Georg Breier and Teymuras Kurzchalia and Werner Risau Vascular Endothelial Growth Factor Induces Endothelial Fenestrations In Vitro . . . . . . . . . . . . . . . . . 947 Richard L. Klemke and Jie Leng and Rachel Molander and Peter C. Brooks and Kristiina Vuori and David A. Cheresh CAS\slash Crk Coupling Serves as a ``Molecular Switch'' for Induction of Cell Migration . . . . . . . . . . . . . 961
Gang Li and Gail Sudlow and Andrew S. Belmont Interphase Cell Cycle Dynamics of a Late-Replicating, Heterochromatic Homogeneously Staining Region: Precise Choreography of Condensation/Decondensation and Nuclear Positioning . . . . . . . . . . . . . . 975 Alastair M. Mackay and Alexandra M. Ainsztein and D. Mark Eckley and William C. Earnshaw A Dominant Mutant of Inner Centromere Protein (INCENP), a Chromosomal Protein, Disrupts Prometaphase Congression and Cytokinesis . . . . . . . . . . . . . . 991 Daniel P. Moore and Andrea W. Page and Tracy Tzu-Ling Tang and Anne W. Kerrebrock and Terry L. Orr-Weaver The Cohesion Protein MEI--S332 Localizes to Condensed Meiotic and Mitotic Centromeres until Sister Chromatids Separate . . . . . . . . . . . . . . . . 1003 Birte Sönnichsen and Martin Lowe and Tim Levine and Eija Jämsä and Barbara Dirac-Svejstrup and Graham Warren A Role for Giantin in Docking COPI Vesicles to Golgi Membranes . . . . . . 1013 Shu-Hui Liu and Michael S. Marks and Frances M. Brodsky A Dominant-negative Clathrin Mutant Differentially Affects Trafficking of Molecules with Distinct Sorting Motifs in the Class II Major Histocompatibility Complex (MHC) Pathway . . . . . . . . . 1023 Paola Zacchi and Harald Stenmark and Robert G. Parton and Donata Orioli and Filip Lim and Angelika Giner and Ira Mellman and Marino Zerial and Carol Murphy Rab17 Regulates Membrane Trafficking through Apical Recycling Endosomes in Polarized Epithelial Cells . . . . . . . 1039 Alexandre Benmerah and Christophe Lamaze and Bernadette B\`egue and Sandra L. Schmid and Alice Dautry-Varsat and Nadine Cerf-Bensussan AP-2\slash Eps15 Interaction Is Required for Receptor-mediated Endocytosis . . . 1055 Yong-Xu Wang and Natalie L. Catlett and Lois S. Weisman Vac8p, a Vacuolar Protein with Armadillo Repeats, Functions in both Vacuole Inheritance and Protein Targeting from the Cytoplasm to Vacuole . . . . . . . . 1063 Barry Press and Yan Feng and Bernard Hoflack and Angela Wandinger-Ness Mutant Rab7 Causes the Accumulation of Cathepsin D and Cation-independent Mannose 6--Phosphate Receptor in an Early Endocytic Compartment . . . . . . 1075 Andrey V. Kuznetsov and Oleg Mayboroda and Dagmar Kunz and Kirstin Winkler and Walter Schubert and Wolfram S. Kunz Functional Imaging of Mitochondria in Saponin-permeabilized Mice Muscle Fibers 1091 P. Rahkila and V. Luukela and K. Väänänen and K. Metsikkö Differential Targeting of Vesicular Stomatitis Virus G Protein and Influenza Virus Hemagglutinin Appears During Myogenesis of L6 Muscle Cells . . . . . 1101 Atsushi Suzuki and Yuki Sugiyama and Yukiko Hayashi and Nobuo Nyu-i and Michihiko Yoshida and Ikuya Nonaka and Sho-ichi Ishiura and Kiichi Arahata and Shigeo Ohno MKBP, a Novel Member of the Small Heat Shock Protein Family, Binds and Activates the Myotonic Dystrophy Protein Kinase . . . . . . . . . . . . . . . . . 1113 Le Ma and Lewis C. Cantley and Paul A. Janmey and Marc W. Kirschner Corequirement of Specific Phosphoinositides and Small GTP-binding Protein Cdc42 in Inducing Actin Assembly in \bionameXenopus Egg Extracts . . . . 1125 Alistair Harrison and Patricia Olds-Clarke and Stephen M. King Identification of the t Complex--encoded Cytoplasmic Dynein Light Chain Tctex1 in Inner Arm I1 Supports the Involvement of Flagellar Dyneins in Meiotic Drive . . . 1137 Stefan Geimer and Judith Clees and Michael Melkonian and Karl-Ferdinand Lechtreck A Novel 95-kD Protein Is Located in a Linker between Cytoplasmic Microtubules and Basal Bodies in a Green Flagellate and Forms Striated Filaments In Vitro 1149 Cay M. Kielty and Michael Raghunath and Linda D. Siracusa and Michael J. Sherratt and Reiner Peters and C. Adrian Shuttleworth and Sergio A. Jimenez The Tight Skin Mouse: Demonstration of Mutant Fibrillin-1 Production and Assembly into Abnormal Microfibrils . . 1159 Jiming Kong and Vivian W.-Y. Tung and John Aghajanian and Zuoshang Xu Antagonistic Roles of Neurofilament Subunits NF--H and NF--M Against NF--L in Shaping Dendritic Arborization in Spinal Motor Neurons . . . . . . . . . . 1167 Juan L. Brusés and Urs Rutishauser Regulation of Neural Cell Adhesion Molecule Polysialylation: Evidence for Nontranscriptional Control and Sensitivity to an Intracellular Pool of Calcium . . . . . . . . . . . . . . . . 1177 Cynthia I. Foote and Lan Zhou and Xing Zhu and Bruce J. Nicholson The Pattern of Disulfide Linkages in the Extracellular Loop Regions of Connexin 32 Suggests a Model for the Docking Interface of Gap Junctions . . . . . . . 1187 Friso R. Postma and Trudi Hengeveld and Jacqueline Alblas and Ben N. G. Giepmans and Gerben C. M. Zondag and Kees Jalink and Wouter H. Moolenaar Acute loss of Cell--Cell Communication Caused by G Protein--coupled Receptors: a Critical Role for c--Src . . . . . . . 1199 Sharon F. Clark and Sally Martin and Amanda J. Carozzi and Michelle M. Hill and David E. James Intracellular Localization of Phosphatidylinositide $3$-kinase and Insulin Receptor Substrate-1 in Adipocytes: Potential Involvement of a Membrane Skeleton . . . . . . . . . . . 1211 Yasushi Sako and Akira Nagafuchi and Shoichiro Tsukita and Masatoshi Takeichi and Akihiro Kusumi Cytoplasmic Regulation of the Movement of E--Cadherin on the Free Cell Surface as Studied by Optical Tweezers and Single Particle Tracking: Corralling and Tethering by the Membrane Skeleton . . . 1227 Ilka Ott and Edgar G. Fischer and Yohei Miyagi and Barbara M. Mueller and Wolfram Ruf A Role for Tissue Factor in Cell Adhesion and Migration Mediated by Interaction with Actin-binding Protein 280 . . . . . . . . . . . . . . . . . . 1241 Brian P. Eliceiri and Richard Klemke and Staffan Strömblad and David A. Cheresh Integrin $ \alpha $ v$ \beta $3 Requirement for Sustained Mitogen-activated Protein Kinase Activity during Angiogenesis . . . . . . 1255 Traci L. Jesse and Rhonda LaChance and Michael F. Iademarco and Douglas C. Dean Interferon Regulatory Factor-2 Is a Transcriptional Activator in Muscle Where It Regulates Expression of Vascular Cell Adhesion Molecule-1 . . . 1265
George S. Bloom and Lawrence S. B. Goldstein Cruising along Microtubule Highways: How Membranes Move through the Secretory Pathway . . . . . . . . . . . . . . . . 1277 Steven M. Block Leading the Procession: New Insights into Kinesin Motors . . . . . . . . . . 1281 Dean A. Jackson and Ana Pombo Replicon Clusters Are Stable Units of Chromosome Structure: Evidence That Nuclear Organization Contributes to the Efficient Activation and Propagation of S Phase in Human Cells . . . . . . . . . 1285 J. Suso Platero and Amy K. Csink and Adrian Quintanilla and Steven Henikoff Changes in Chromosomal Localization of Heterochromatin-binding Proteins during the Cell Cycle in \bionameDrosophila . . 1297 Noriaki Shimizu and Nobuo Itoh and Hiroyasu Utiyama and Geoffrey M. Wahl Selective Entrapment of Extrachromosomally Amplified DNA by Nuclear Budding and Micronucleation during S Phase . . . . . . . . . . . . . 1307 Deborah J. Frank and Mark B. Roth ncl-1 Is Required for the Regulation of Cell Size and Ribosomal RNA Synthesis in \bionameCaenorhabditis elegans . . . . . 1321 Andreas Krömer and Michael M. Glombik and Wieland B. Huttner and Hans-Hermann Gerdes Essential Role of the Disulfide-bonded Loop of Chromogranin B for Sorting to Secretory Granules Is Revealed by Expression of a Deletion Mutant in the Absence of Endogenous Granin Synthesis 1331 Meng-Chieh Chiang and Hui-Ling Chiang Vid24p, a Novel Protein Localized to the Fructose-1,6-bisphosphatase--containing Vesicles, Regulates Targeting of Fructose-1,6-bisphosphatase from the Vesicles to the Vacuole for Degradation 1347 Patrick Keller and Kai Simons Cholesterol Is Required for Surface Transport of Influenza Virus Hemagglutinin . . . . . . . . . . . . . 1357 Leonid V. Chernomordik and Vadim A. Frolov and Eugenia Leikina and Peter Bronk and Joshua Zimmerberg The Pathway of Membrane Fusion Catalyzed by Influenza Hemagglutinin: Restriction of Lipids, Hemifusion, and Lipidic Fusion Pore Formation . . . . . . . . . 1369 Kazufumi Honda and Tesshi Yamada and Ritsuko Endo and Yoshinori Ino and Masahiro Gotoh and Hitoshi Tsuda and Yozo Yamada and Hiroshige Chiba and Setsuo Hirohashi Actinin-4, a Novel Actin-bundling Protein Associated with Cell Motility and Cancer Invasion . . . . . . . . . . 1383 William O. Hancock and Jonathon Howard Processivity of the Motor Protein Kinesin Requires Two Heads . . . . . . . 1395 Laura Romberg and Daniel W. Pierce and Ronald D. Vale Role of the Kinesin Neck Region in Processive Microtubule-based Motility 1407 Edward H. Hinchcliffe and Grizzel O. Cassels and Conly L. Rieder and Greenfield Sluder The Coordination of Centrosome Reproduction with Nuclear Events of the Cell Cycle in the Sea Urchin Zygote . . 1417 Fabienne Depoortere and Alexandra Van Keymeulen and Jiri Lukas and Sabine Costagliola and Jirina Bartkova and Jacques E. Dumont and Jiri Bartek and Pierre P. Roger and Sarah Dremier A Requirement for Cyclin D3--Cyclin-dependent Kinase (cdk)-4 Assembly in the Cyclic Adenosine Monophosphate-dependent Proliferation of Thyrocytes . . . . . . . . . . . . . . . 1427 Thomas M. Magin and Rolf Schröder and Sabine Leitgeb and Frederique Wanninger and Kurt Zatloukal and Christine Grund and David W. Melton Lessons from Keratin 18 Knockout Mice: Formation of Novel Keratin Filaments, Secondary Loss of Keratin 7 and Accumulation of Liver-specific Keratin 8-Positive Aggregates . . . . . . . . . 1441 Heinz-Dieter Gabriel and Dirk Jung and Christoph Bützler and Achim Temme and Otto Traub and Elke Winterhager and Klaus Willecke Transplacental Uptake of Glucose Is Decreased in Embryonic Lethal Connexin26-deficient Mice . . . . . . . 1453 Robert E. Ward and Rebecca S. Lamb and Richard G. Fehon A Conserved Functional Domain of \bionameDrosophila Coracle Is Required for Localization at the Septate Junction and Has Membrane-organizing Activity . . 1463 Pilar Navarro and Luigi Ruco and Elisabetta Dejana Differential Localization of VE- and N--Cadherins in Human Endothelial Cells: VE--Cadherin Competes with N--Cadherin for Junctional Localization . . . . . . 1475 Marie Mancini and Donald W. Nicholson and Sophie Roy and Nancy A. Thornberry and Erin P. Peterson and Livia A. Casciola-Rosen and Antony Rosen The Caspase-3 Precursor Has a Cytosolic and Mitochondrial Distribution: Implications for Apoptotic Signaling . . 1485 Ruth S. Slack and Hiba El-Bizri and Josée Wong and Daniel J. Belliveau and Freda D. Miller A Critical Temporal Requirement for the Retinoblastoma Protein Family During Neuronal Determination . . . . . . . . . 1497 Andrew Pierce and Clare M. Heyworth and Sian E. Nicholls and Elaine Spooncer and T. Michael Dexter and Janet M. Lord and P. Jane Owen-Lynch and Gwen Wark and Anthony D. Whetton An Activated Protein Kinase C $ \alpha $ Gives a Differentiation Signal for Hematopoietic Progenitor Cells and Mimicks Macrophage Colony-stimulating Factor--stimulated Signaling Events . . 1511 V. Cirulli and L. Crisa and G. M. Beattie and M. I. Mally and A. D. Lopez and A. Fannon and A. Ptasznik and L. Inverardi and C. Ricordi and T. Deerinck and M. Ellisman and R. A. Reisfeld and A. Hayek KSA Antigen Ep--CAM Mediates Cell--Cell Adhesion of Pancreatic Epithelial Cells: Morphoregulatory Roles in Pancreatic Islet Development . . . . . . . . . . . 1519 Régis Masson and Olivier Lefebvre and Agn\`es Noël and Mostapha El Fahime and Marie-Pierre Chenard and Corinne Wendling and Florence Kebers and Marianne LeMeur and Andrée Dierich and Jean-Michel Foidart and Paul Basset and Marie-Christine Rio In Vivo Evidence That the Stromelysin-3 Metalloproteinase Contributes in a Paracrine Manner to Epithelial Cell Malignancy . . . . . . . . . . . . . . . 1535
Steven R. Heidemann and Robert E. Buxbaum Cell Crawling: First the Motor, Now the Transmission . . . . . . . . . . . . . . 1 Jennifer C. Fung and Wallace F. Marshall and Abby Dernburg and David A. Agard and John W. Sedat Homologous Chromosome Pairing in \bionameDrosophila melanogaster Proceeds through Multiple Independent Initiations 5 Quan-wen Jin and Edgar Trelles-Sticken and Harry Scherthan and Josef Loidl Yeast Nuclei Display Prominent Centromere Clustering That Is Reduced in Nondividing Cells and in Meiotic Prophase . . . . . . . . . . . . . . . . 21 Sundeep Shah and Stuart Tugendreich and Douglass Forbes Major Binding Sites for the Nuclear Import Receptor Are the Internal Nucleoporin Nup153 and the Adjacent Nuclear Filament Protein Tpr . . . . . . 31 A. Harada and Y. Takei and Y. Kanai and Y. Tanaka and S. Nonaka and N. Hirokawa Golgi Vesiculation and Lysosome Dispersion in Cells Lacking Cytoplasmic Dynein . . . . . . . . . . . . . . . . . 51 Meir Aridor and Jacques Weissman and Sergei Bannykh and Claude Nuoffer and William E. Balch Cargo Selection by the COPII Budding Machinery during Export from the ER . . 61 Beverly Wendland and Scott D. Emr Pan1p, Yeast eps15, Functions as a Multivalent Adaptor That Coordinates Protein--Protein Interactions Essential for Endocytosis . . . . . . . . . . . . 71 John R. Henley and Eugene W. A. Krueger and Barbara J. Oswald and Mark A. McNiven Dynamin-mediated Internalization of Caveolae . . . . . . . . . . . . . . . . 85 Phil Oh and Deirdre P. McIntosh and Jan E. Schnitzer Dynamin at the Neck of Caveolae Mediates Their Budding to Form Transport Vesicles by GTP-driven Fission from the Plasma Membrane of Endothelium . . . . . . . . 101 Gudrun Ihrke and Greg V. Martin and Michael R. Shanks and Michael Schrader and Trina A. Schroer and Ann L. Hubbard Apical Plasma Membrane Proteins and Endolyn-78 Travel through a Subapical Compartment in Polarized WIF--B Hepatocytes . . . . . . . . . . . . . . 115 Miki Yamamoto-Hino and Atsushi Miyawaki and Akihisa Segawa and Eijiro Adachi and Shohei Yamashina and Toyoshi Fujimoto and Tomoyasu Sugiyama and Teiichi Furuichi and Mamoru Hasegawa and Katsuhiko Mikoshiba Apical Vesicles Bearing Inositol 1,4,5-trisphosphate Receptors in the Ca$^{2+}$ Initiation Site of Ductal Epithelium of Submandibular Gland . . . 135 Loren D. Walensky and Philippe Gascard and Michael E. Field and Seth Blackshaw and John G. Conboy and Narla Mohandas and Solomon H. Snyder The 13-kD FK506 Binding Protein, FKBP13, Interacts with a Novel Homologue of the Erythrocyte Membrane Cytoskeletal Protein 4.1 . . . . . . . . . . . . . . 143 James D. Jontes and E. Michael Ostap and Thomas D. Pollard and Ronald A. Milligan Three-dimensional Structure of Acanthamoeba castellanii Myosin--IB (MIB) Determined by Cryoelectron Microscopy of Decorated Actin Filaments 155 Jason B. Dictenberg and Wendy Zimmerman and Cynthia A. Sparks and Aaron Young and Charles Vidair and Yixian Zheng and Walter Carrington and Fredric S. Fay and Stephen J. Doxsey Pericentrin and $ \gamma $-Tubulin Form a Protein Complex and Are Organized into a Novel Lattice at the Centrosome . . . 163 Tiffani A. Cook and Takayuki Nagasaki and Gregg G. Gundersen Rho Guanosine Triphosphatase Mediates the Selective Stabilization of Microtubules Induced by Lysophosphatidic Acid . . . . . . . . . . . . . . . . . . 175 Catherine D. Nobes and Inger Lauritzen and Marie-Genevi\`eve Mattei and Sonia Paris and Alan Hall and Pierre Chardin A New Member of the Rho Family, Rnd1, Promotes Disassembly of Actin Filament Structures and Loss of Cell Adhesion . . 187 Julie Haskins and Lijie Gu and Erika S. Wittchen and Jennifer Hibbard and Bruce R. Stevenson ZO-3, a Novel Member of the MAGUK Protein Family Found at the Tight Junction, Interacts with ZO-1 and Occludin . . . . . . . . . . . . . . . . 199 Günther A. Rezniczek and José M. de Pereda and Siegfried Reipert and Gerhard Wiche Linking Integrin $ \alpha_6 \beta_4 $-based Cell Adhesion to the Intermediate Filament Cytoskeleton: Direct Interaction between the $ \beta_4 $ Subunit and Plectin at Multiple Molecular Sites . . . . . . . . . . . . 209 Daniel M. Suter and Laura D. Errante and Victoria Belotserkovsky and Paul Forscher The Ig Superfamily Cell Adhesion Molecule, apCAM, Mediates Growth Cone Steering by Substrate--Cytoskeletal Coupling . . . . . . . . . . . . . . . . 227 Denise C. Hocking and Jane Sottile and Paula J. McKeown-Longo Activation of Distinct $ \alpha_5 \beta_1$-mediated Signaling Pathways by Fibronectin's Cell Adhesion and Matrix Assembly Domains . . . . . . . . . . . . 241 Lawrence E. Goldfinger and M. Sharon Stack and Jonathan C. R. Jones Processing of Laminin-5 and Its Functional Consequences: Role of Plasmin and Tissue-type Plasminogen Activator 255 Christoph Claas and Simone Seiter and Andreas Claas and Larissa Savelyeva and Manfred Schwab and Margot Zöller Association Between the Rat Homologue of CO-029, a Metastasis-associated Tetraspanin Molecule and Consumption Coagulopathy . . . . . . . . . . . . . . 267 Albrecht Lepple-Wienhues and Ildik\`o Szab\`o and Tilmann Laun and Nubia Kristen Kaba and Erich Gulbins and Florian Lang The Tyrosine Kinase p56 $^{\rm lck}$ Mediates Activation of Swelling-induced Chloride Channels in Lymphocytes . . . . 281 Susann M. Brady-Kalnay and Tracy Mourton and Joseph P. Nixon and Gregory E. Pietz and Michael Kinch and Haiyan Chen and Robert Brackenbury and David L. Rimm and Robert L. Del Vecchio and Nicholas K. Tonks Dynamic Interaction of PTP$ \mu $ with Multiple Cadherins In Vivo . . . . . . . 287 Michael Costa and William Raich and Cristina Agbunag and Ben Leung and Jeff Hardin and James R. Priess A Putative Catenin--Cadherin System Mediates Morphogenesis of the \bionameCaenorhabditis elegans Embryo 297
Damien F. Hudson and Kerry J. Fowler and Elizabeth Earle and Richard Saffery and Paul Kalitsis and Helen Trowell and Joanne Hill and Nigel G. Wreford and David M. de Kretser and Michael R. Cancilla and Emily Howman and Linda Hii and Suzanne M. Cutts and Danielle V. Irvine and K. H. A. Choo Centromere Protein B Null Mice are Mitotically and Meiotically Normal but Have Lower Body and Testis Weights . . . 309 Cristina Machado and Claudio E. Sunkel and Deborah J. Andrew Human Autoantibodies Reveal Titin as a Chromosomal Protein . . . . . . . . . . 321 Ian de Belle and Shutao Cai and Terumi Kohwi-Shigematsu The Genomic Sequences Bound to Special AT-rich Sequence-binding Protein 1 (SATB1) In Vivo in Jurkat T Cells Are Tightly Associated with the Nuclear Matrix at the Bases of the Chromatin Loops . . . . . . . . . . . . . . . . . 335 Linda Hicke and Bettina Zanolari and Howard Riezman Cytoplasmic Tail Phosphorylation of the $ \alpha $-Factor Receptor Is Required for Its Ubiquitination and Internalization . . . . . . . . . . . . 349 Judith Klumperman and Regina Kuliawat and Janice M. Griffith and Hans J. Geuze and Peter Arvan Mannose 6--Phosphate Receptors Are Sorted from Immature Secretory Granules via Adaptor Protein AP-1, Clathrin, and Syntaxin $6$--positive Vesicles . . . . 359 Michael Passreiter and Markus Anton and Dorothee Lay and Rainer Frank and Cordula Harter and Felix T. Wieland and Karin Gorgas and Wilhelm W. Just Peroxisome Biogenesis: Involvement of ARF and Coatomer . . . . . . . . . . . . 373 Laura M. Roy and Alice Barkan A SecY Homologue Is Required for the Elaboration of the Chloroplast Thylakoid Membrane and for Normal Chloroplast Gene Expression . . . . . . . . . . . . . . . 385 Mitinori Saitou and Kazushi Fujimoto and Yoshinori Doi and Masahiko Itoh and Toyoshi Fujimoto and Mikio Furuse and Hiroshi Takano and Tetsuo Noda and Shoichiro Tsukita Occludin-deficient Embryonic Stem Cells Can Differentiate into Polarized Epithelial Cells Bearing Tight Junctions 397 Yuko Fukata and Kazushi Kimura and Noriko Oshiro and Hideyuki Saya and Yoshiharu Matsuura and Kozo Kaibuchi Association of the Myosin-binding Subunit of Myosin Phosphatase and Moesin: Dual Regulation of Moesin Phosphorylation by Rho-associated Kinase and Myosin Phosphatase . . . . . . . . . 409 A. Hoenger and S. Sack and M. Thormählen and A. Marx and J. Müller and H. Gross and E. Mandelkow Image Reconstructions of Microtubules Decorated with Monomeric and Dimeric Kinesins: Comparison with X--Ray Structure and Implications for Motility 419 Yoshiaki Yonekawa and Akihiro Harada and Yasushi Okada and Takeshi Funakoshi and Yoshimitsu Kanai and Yosuke Takei and Sumio Terada and Tetsuo Noda and Nobutaka Hirokawa Defect in Synaptic Vesicle Precursor Transport and Neuronal Cell Death in KIF1A Motor Protein--deficient Mice . . 431 Joseph G. Gindhart and Chand J. Desai and Sven Beushausen and Kai Zinn and Lawrence S. B. Goldstein Kinesin Light Chains Are Essential for Axonal Transport in \bionameDrosophila 443 Kaijun Li and Eugene Yujun Xu and Jeffrey K. Cecil and F. Rudolf Turner and Timothy L. Megraw and Thomas C. Kaufman Drosophila Centrosomin Protein is Required for Male Meiosis and Assembly of the Flagellar Axoneme . . . . . . . . 455 Peter Buchenau and Jacob Hodgson and Helen Strutt and Donna J. Arndt-Jovin The Distribution of Polycomb--Group Proteins During Cell Division and Development in \bionameDrosophila Embryos: Impact on Models for Silencing 469 Noel Gerald and Jianwu Dai and H. Ping Ting-Beall and Arturo De Lozanne A Role for \bionameDictyostelium RacE in Cortical Tension and Cleavage Furrow Progression . . . . . . . . . . . . . . 483 Marjorie Gondré and Patrick Burrola and David E. Weinstein Accelerated Nerve Regeneration Mediated by Schwann Cells Expressing a Mutant Form of the POU Protein SCIP . . . . . . 493 James Brugarolas and Roderick T. Bronson and Tyler Jacks p21 Is a Critical CDK2 Regulator Essential for Proliferation Control in Rb -deficient Cells . . . . . . . . . . 503 Anna Huttenlocher and Margot Lakonishok and Melissa Kinder and Stanley Wu and Tho Truong and Karen A. Knudsen and Alan F. Horwitz Integrin and Cadherin Synergy Regulates Contact Inhibition of Migration and Motile Activity . . . . . . . . . . . . 515 Takao Sakai and Qinghong Zhang and Reinhard Fässler and Deane F. Mosher Modulation of $ \beta $1A Integrin Functions by Tyrosine Residues in the $ \beta $1 Cytoplasmic Domain . . . . . . 527 Cuiling Zhong and Magdalena Chrzanowska-Wodnicka and James Brown and Amy Shaub and Alexey M. Belkin and Keith Burridge Rho-mediated Contractility Exposes a Cryptic Site in Fibronectin and Induces Fibronectin Matrix Assembly . . . . . . 539
Tae-Aug Kim and Jinkyu Lim and Setsuo Ota and Sandhya Raja and Rick Rogers and Benjamin Rivnay and Hava Avraham and Shalom Avraham NRP\slash B, a Novel Nuclear Matrix Protein, Associates With p110$^{\rm RB}$ and Is Involved in Neuronal Differentiation . . . . . . . . . . . . 553 Valeria Brizzio and Alison E. Gammie and Mark D. Rose Rvs161p Interacts with Fus2p to Promote Cell Fusion in \bionameSaccharomyces cerevisiae . . . . . . . . . . . . . . . 567 Xiaobo Du and J. Daniel Stoops and James R. Mertz and C. Michael Stanley and Joseph L. Dixon Identification of Two Regions in Apolipoprotein B100 that are Exposed on the Cytosolic Side of the Endoplasmic Reticulum Membrane . . . . . . . . . . . 585 Chieko Mineo and Yun-Shu Ying and Christine Chapline and Susan Jaken and Richard G. W. Anderson Targeting of Protein Kinase C$ \alpha $ to Caveolae . . . . . . . . . . . . . . 601 C. E. Futter and A. Gibson and E. H. Allchin and S. Maxwell and L. J. Ruddock and G. Odorizzi and D. Domingo and I. S. Trowbridge and C. R. Hopkins In Polarized MDCK Cells Basolateral Vesicles Arise from Clathrin-$ \gamma $-adaptin-coated Domains on Endosomal Tubules . . . . . . . . . . . . . . . . 611 Yasuyoshi Sakai and Antonius Koller and Linda K. Rangell and Gilbert A. Keller and Suresh Subramani Peroxisome Degradation by Microautophagy in Pichia pastoris: Identification of Specific Steps and Morphological Intermediates . . . . . . . . . . . . . 625 Joseph Bass and Gavin Chiu and Yair Argon and Donald F. Steiner Folding of Insulin Receptor Monomers Is Facilitated by the Molecular Chaperones Calnexin and Calreticulin and Impaired by Rapid Dimerization . . . . . . . . . 637 David A. Potter and Jennifer S. Tirnauer and Richard Janssen and Dorothy E. Croall and Christina N. Hughes and Kerry A. Fiacco and James W. Mier and Masatoshi Maki and Ira M. Herman Calpain Regulates Actin Remodeling during Cell Spreading . . . . . . . . . 647 Steven M. Murphy and Lenore Urbani and Tim Stearns The Mammalian $ \gamma $-Tubulin Complex Contains Homologues of the Yeast Spindle Pole Body Components Spc97p and Spc98p 663 Ona C. Martin and Ruwanthi N. Gunawardane and Akihiro Iwamatsu and Yixian Zheng Xgrip109: a $ \gamma $ Tubulin--Associated Protein with an Essential Role in $ \gamma $ Tubulin Ring Complex ($ \gamma $TuRC) Assembly and Centrosome Function . . . . . . . . 675 Anne-Marie Tassin and Claude Celati and Mohammed Moudjou and Michel Bornens Characterization of the Human Homologue of the Yeast Spc98p and Its Association with $ \gamma $-Tubulin . . . . . . . . 689 Arshad Desai and Paul S. Maddox and Timothy J. Mitchison and E. D. Salmon Anaphase A Chromosome Movement and Poleward Spindle Microtubule Flux Occur At Similar Rates in \bionameXenopus Extract Spindles . . . . . . . . . . . . 703 Thomas Meier and Fabrizio Masciulli and Chris Moore and Fabrice Schoumacher and Urs Eppenberger and Alain J. Denzer and Graham Jones and Hans Rudolf Brenner Agrin Can Mediate Acetylcholine Receptor Gene Expression in Muscle by Aggregation of Muscle-derived Neuregulins . . . . . 715 Gregory A. Elder and Victor L. Friedrich and Paolo Bosco and Chulho Kang and Andrei Gourov and Pang-Hsien Tu and Virginia M.-Y. Lee and Robert A. Lazzarini Absence of the Mid-sized Neurofilament Subunit Decreases Axonal Calibers, Levels of Light Neurofilament (NF--L), and Neurofilament Content . . . . . . . 727 Honami Naora and Izumi Takai and Masakazu Adachi and Hiroto Naora Altered Cellular Responses by Varying Expression of a Ribosomal Protein Gene: Sequential Coordination of Enhancement and Suppression of Ribosomal Protein S3a Gene Expression Induces Apoptosis . . . 741 Elisabeth E. Weiss and Martina Kroemker and Angelika-H. Rüdiger and Brigitte M. Jockusch and Manfred Rüdiger Vinculin Is Part of the Cadherin--Catenin Junctional Complex: Complex Formation between $ \alpha $-Catenin and Vinculin . . . . . . . . . 755 Melissa H. Wong and Bonnee Rubinfeld and Jeffrey I. Gordon Effects of Forced Expression of an NH$_2$-terminal Truncated $ \beta $-Catenin on Mouse Intestinal Epithelial Homeostasis . . . . . . . . . . . . . . 765 Alpha S. Yap and Carien M. Niessen and Barry M. Gumbiner The Juxtamembrane Region of the Cadherin Cytoplasmic Tail Supports Lateral Clustering, Adhesive Strengthening, and Interaction with p120$^{\rm ctn}$ . . . 779 María Yáñez-Mó and Arántzazu Alfranca and Carlos Cabañas and Mónica Marazuela and Reyes Tejedor and M. Angeles Ursa and Leonie K. Ashman and Manuel O. de Landázuri and Francisco Sánchez-Madrid Regulation of Endothelial Cell Motility by Complexes of Tetraspan Molecules CD81/TAPA-1 and CD151/PETA-3 with $ \alpha $3$ \beta $1 Integrin Localized at Endothelial Lateral Junctions . . . . 791 Karen K. Hirschi and Stephanie A. Rohovsky and Patricia A. D'Amore PDGF, TGF-$ \beta $, and Heterotypic Cell--Cell Interactions Mediate Endothelial Cell-induced Recruitment of 10T1/2 Cells and Their Differentiation to a Smooth Muscle Fate . . . . . . . . 805 Anders Nykjær and Erik I. Christensen and Henrik Vorum and Henrik Hager and Claus M. Petersen and Hans Ròigaard and Hye Y. Min and Frederik Vilhardt and Lisbeth B. Mòller and Stuart Kornfeld and Jòrgen Gliemann Mannose 6-Phosphate/Insulin-like Growth Factor-II Receptor Targets the Urokinase Receptor to Lysosomes via a Novel Binding Interaction . . . . . . . . . . 815 T. J. Wess and P. P. Purslow and M. J. Sherratt and J. Ashworth and C. A. Shuttleworth and C. M. Kielty Calcium Determines the Supramolecular Organization of Fibrillin-rich Microfibrils . . . . . . . . . . . . . . 829 Mikael Wendel and Yngve Sommarin and Dick Heinegård Bone Matrix Proteins: Isolation and Characterization of a Novel Cell-binding Keratan Sulfate Proteoglycan (Osteoadherin) from Bovine Bone . . . . 839
Denis Dujardin and U. Irene Wacker and Anne Moreau and Trina A. Schroer and Janet E. Rickard and Jan R. De Mey Evidence for a Role of CLIP-170 in the Establishment of Metaphase Chromosome Alignment . . . . . . . . . . . . . . . 849 Ralph H. Kehlenbach and Achim Dickmanns and Larry Gerace Nucleocytoplasmic Shuttling Factors Including Ran and CRM1 Mediate Nuclear Export of NFAT In Vitro . . . . . . . . 863 Pei Jin and Stephen Hardy and David O. Morgan Nuclear Localization of Cyclin B1 Controls Mitotic Entry After DNA Damage 875 Kai-Uwe Kalies and Tom A. Rapoport and Enno Hartmann The $ \beta $ Subunit of the Sec61 Complex Facilitates Cotranslational Protein Transport and Interacts with the Signal Peptidase during Translocation 887 Timo May and Jürgen Soll Positive Charges Determine the Topology and Functionality of the Transmembrane Domain in the Chloroplastic Outer Envelope Protein Toc34 . . . . . . . . . 895 Palmer A. Orlandi and Peter H. Fishman Filipin-dependent Inhibition of Cholera Toxin: Evidence for Toxin Internalization and Activation through Caveolae-like Domains . . . . . . . . . 905 Anne A. Wolf and Michael G. Jobling and Susan Wimer-Mackin and Margaret Ferguson-Maltzman and James L. Madara and Randall K. Holmes and Wayne I. Lencer Ganglioside Structure Dictates Signal Transduction by Cholera Toxin and Association with Caveolae-like Membrane Domains in Polarized Epithelia . . . . . 917 Thomas Harder and Peter Scheiffele and Paul Verkade and Kai Simons Lipid Domain Structure of the Plasma Membrane Revealed by Patching of Membrane Components . . . . . . . . . . 929 Carol A. Sartorius and Brian D. Lu and Leslie Acakpo-Satchivi and Renee P. Jacobsen and William C. Byrnes and Leslie A. Leinwand Myosin Heavy Chains IIa and IId Are Functionally Distinct in the Mouse . . . 943 David T. Shima and Noemí Cabrera-Poch and Rainer Pepperkok and Graham Warren An Ordered Inheritance Strategy for the Golgi Apparatus: Visualization of Mitotic Disassembly Reveals a Role for the Mitotic Spindle . . . . . . . . . . 955 Philip A. Wigge and Ole N. Jensen and Simon Holmes and Sylvie Sou\`es and Matthias Mann and John V. Kilmartin Analysis of the \bionameSaccharomyces Spindle Pole by Matrix-assisted Laser Desorption/Ionization (MALDI) Mass Spectrometry . . . . . . . . . . . . . . 967 Gregory J. Pazour and Curtis G. Wilkerson and George B. Witman A Dynein Light Chain Is Essential for the Retrograde Particle Movement of Intraflagellar Transport (IFT) . . . . . 979 Douglas G. Cole and Dennis R. Diener and Amy L. Himelblau and Peter L. Beech and Jason C. Fuster and Joel L. Rosenbaum \bionameChlamydomonas Kinesin-II-dependent Intraflagellar Transport (IFT): IFT Particles Contain Proteins Required for Ciliary Assembly in \bionameCaenorhabditis elegans Sensory Neurons . . . . . . . . . . . . 993 Laura Torroja and Daniel Ortuño-Sahagún and Alberto Ferrús and Barbara Hämmerle and Julio A. Barbas scully, an Essential Gene of \bionameDrosophila, is Homologous to Mammalian Mitochondrial Type II l-3-hydroxyacyl-CoA Dehydrogenase/Amyloid-$ \beta $ Peptide-binding Protein . . . . . . . . 1009 Michelle L. Matter and Zhuohua Zhang and Christer Nordstedt and Erkki Ruoslahti The $ \alpha $5$ \beta $1 Integrin Mediates Elimination of Amyloid-$ \beta $ Peptide and Protects Against Apoptosis 1019 Daniel M. Skovronsky and Robert W. Doms and Virginia M.-Y. Lee Detection of a Novel Intraneuronal Pool of Insoluble Amyloid $ \beta $ Protein that Accumulates with Time in Culture 1031 Oliver Wessely and Eva-Maria Deiner and Kim Chew Lim and Georg Mellitzer and Peter Steinlein and Hartmut Beug Mammalian Granulocyte--Macrophage Colony-stimulating Factor Receptor Expressed in Primary Avian Hematopoietic Progenitors: Lineage-specific Regulation of Proliferation and Differentiation . . 1041 James J. Campbell and Edward P. Bowman and Kristine Murphy and Kenneth R. Youngman and Michael A. Siani and Darren A. Thompson and Lijun Wu and Albert Zlotnik and Eugene C. Butcher $6$-C-kine (SLC), a Lymphocyte Adhesion-triggering Chemokine Expressed by High Endothelium, Is an Agonist for the MIP-3$ \beta $ Receptor CCR7 . . . . 1053 Maria Guttinger and Francesca Sutti and Maddalena Panigada and Simona Porcellini and Barbara Merati and Margherita Mariani and Tambet Teesalu and G. Giacomo Consalez and Fabio Grassi Epithelial V-like Antigen (EVA), a Novel Member of the Immunoglobulin Superfamily, Expressed in Embryonic Epithelia with a Potential Role as Homotypic Adhesion Molecule in Thymus Histogenesis . . . . . . . . . . . . . . 1061 Maria D. Martin-Bermudo and Olga M. Dunin-Borkowski and Nicholas H. Brown Modulation of Integrin Activity is Vital for Morphogenesis . . . . . . . . . . . 1073 Marta Scatena and Manuela Almeida and Michelle L. Chaisson and Nelson Fausto and Roberto F. Nicosia and Cecilia M. Giachelli NF-$ \kappa $B Mediates $ \alpha $ v$ \beta $3 Integrin-induced Endothelial Cell Survival . . . . . . . . . . . . . 1083
Abigail S. Hackam and Roshni Singaraja and Cheryl L. Wellington and Martina Metzler and Krista McCutcheon and Taiqi Zhang and Michael Kalchman and Michael R. Hayden The Influence of Huntingtin Protein Size on Nuclear Localization and Cellular Toxicity . . . . . . . . . . . . . . . . 1097 Susan M. VanRheenen and Xiaochun Cao and Vladimir V. Lupashin and Charles Barlowe and M. Gerard Waters Sec35p, a Novel Peripheral Membrane Protein, Is Required for ER to Golgi Vesicle Docking . . . . . . . . . . . . 1107 Wolfgang Faigle and Graça Raposo and Daniele Tenza and Valérie Pinet and Anne B. Vogt and Harald Kropshofer and Alain Fischer and Genevi\`eve de Saint-Basile and Sebastian Amigorena Deficient Peptide Loading and MHC Class II Endosomal Sorting in a Human Genetic Immunodeficiency Disease: the Chediak--Higashi Syndrome . . . . . . . 1121 Sudipto Roy and K. VijayRaghavan Patterning Muscles Using Organizers: Larval Muscle Templates and Adult Myoblasts Actively Interact to Pattern the Dorsal Longitudinal Flight Muscles of \bionameDrosophila . . . . . . . . . 1135 William E. Allen and Daniel Zicha and Anne J. Ridley and Gareth E. Jones A Role for Cdc42 in Macrophage Chemotaxis . . . . . . . . . . . . . . . 1147 Lisa R. Matthews and Philip Carter and Danielle Thierry-Mieg and Ken Kemphues ZYG-9, A \bionameCaenorhabditis elegans Protein Required for Microtubule Organization and Function, Is a Component of Meiotic and Mitotic Spindle Poles . . . . . . . . . . . . . . . . . 1159 Xiaoyue Peter Chen and Hongwei Yin and Tim C. Huffaker The Yeast Spindle Pole Body Component Spc72p Interacts with Stu2p and Is Required for Proper Microtubule Assembly 1169 Jennifer C. Waters and Rey-Huei Chen and Andrew W. Murray and E. D. Salmon Localization of Mad2 to Kinetochores Depends on Microtubule Attachment, Not Tension . . . . . . . . . . . . . . . . 1181 Gary J. Gorbsky and Rey-Huei Chen and Andrew W. Murray Microinjection of Antibody to Mad2 Protein into Mammalian Cells in Mitosis Induces Premature Anaphase . . . . . . . 1193 Paul R. Andreassen and Françoise B. Lacroix and Emma Villa-Moruzzi and Robert L. Margolis Differential Subcellular Localization of Protein Phosphatase-1 $ \alpha $, $ \gamma $1, and $ \delta $ Isoforms during Both Interphase and Mitosis in Mammalian Cells . . . . . . . . . . . . 1207 Janni Petersen and Olaf Nielsen and Richard Egel and Iain M. Hagan FH3, A Domain Found in Formins, Targets the Fission Yeast Formin Fus1 to the Projection Tip During Conjugation . . . 1217 Elizabeth A. Smith and Elaine Fuchs Defining the Interactions Between Intermediate Filaments and Desmosomes 1229 Richard M. Siegel and David A. Martin and Lixin Zheng and Samuel Y. Ng and John Bertin and Jeffrey Cohen and Michael J. Lenardo Death-effector Filaments: Novel Cytoplasmic Structures that Recruit Caspases and Trigger Apoptosis . . . . . 1243 Denise Perez and Eileen White E1B 19K Inhibits Fas-mediated Apoptosis through FADD-dependent Sequestration of FLICE . . . . . . . . . . . . . . . . . 1255 Marc Chanson and Marjorie Fanjul and Domenico Bosco and Eric Nelles and Susanne Suter and Klaus Willecke and Paolo Meda Enhanced Secretion of Amylase from Exocrine Pancreas of Connexin32-deficient Mice . . . . . . . 1267 Shukti Chakravarti and Terry Magnuson and Jonathan H. Lass and Karl J. Jepsen and Christian LaMantia and Heidi Carroll Lumican Regulates Collagen Fibril Assembly: Skin Fragility and Corneal Opacity in the Absence of Lumican . . . 1277
Keith K. H. Leung and Ling Jim Ng and Ken K. Y. Ho and Patrick P. L. Tam and Kathryn S. E. Cheah Different cis -Regulatory DNA Elements Mediate Developmental Stage- and Tissue-specific Expression of the Human COL2A1 Gene in Transgenic Mice . . . . . 1291 Ciro Abbondanza and Valentina Rossi and Annarita Roscigno and Luigi Gallo and Angela Belsito and Giulio Piluso and Nicola Medici and Vincenzo Nigro and Anna Maria Molinari and Bruno Moncharmont and Giovanni A. Puca Interaction of Vault Particles with Estrogen Receptor in the MCF-7 Breast Cancer Cell . . . . . . . . . . . . . . 1301 Guillemette Huet and Sylviane Hennebicq-Reig and Carmen de Bolos and Fausto Ulloa and Thécla Lesuffleur and Alain Barbat and Véronique Carri\`ere and Isabelle Kim and Francisco X. Real and Philippe Delannoy and Alain Zweibaum GalNAc-$ \alpha $-O-benzyl Inhibits NeuAc$ \alpha $2-3 Glycosylation and Blocks the Intracellular Transport of Apical Glycoproteins and Mucus in Differentiated HT-29 Cells . . . . . . . 1311 Verena Karsten and Huilin Qi and Con J. M. Beckers and Anita Reddy and Jean-Francois Dubremetz and Paul Webster and Keith A. Joiner The Protozoan Parasite Toxoplasma gondii Targets Proteins to Dense Granules and the Vacuolar Space Using Both Conserved and Unusual Mechanisms . . . . . . . . . 1323 Hui Qiao and Sandra L. Pelletier and Lucas Hoffman and Jill Hacker and R. Todd Armstrong and Judith M. White Specific Single or Double Proline Substitutions in the ``Spring-loaded'' Coiled--Coil Region of the Influenza Hemagglutinin Impair or Abolish Membrane Fusion Activity . . . . . . . . . . . . 1335 Michael B. Ferrari and Katharina Ribbeck and Donald J. Hagler and Nicholas C. Spitzer A Calcium Signaling Cascade Essential for Myosin Thick Filament Assembly in \bionameXenopus Myocytes . . . . . . . . 1349 Blake L. Anderson and Istvan Boldogh and Marie Evangelista and Charles Boone and Lloyd A. Greene and Liza A. Pon The Src Homology Domain 3 (SH3) of a Yeast Type I Myosin, Myo5p, Binds to Verprolin and Is Required for Targeting to Sites of Actin Polarization . . . . . 1357 Istvan Boldogh and Nikola Vojtov and Sharon Karmon and Liza A. Pon Interaction between Mitochondria and the Actin Cytoskeleton in Budding Yeast Requires Two Integral Mitochondrial Outer Membrane Proteins, Mmm1p and Mdm10p . . . . . . . . . . . . . . . . . 1371 Brigitte de Saint Phalle and William Sullivan Spindle Assembly and Mitosis without Centrosomes in Parthenogenetic Sciara Embryos . . . . . . . . . . . . . . . . 1383 Marko Kallio and Jasminder Weinstein and John R. Daum and Daniel J. Burke and Gary J. Gorbsky Mammalian p55CDC Mediates Association of the Spindle Checkpoint Protein Mad2 with the Cyclosome/Anaphase-promoting Complex, and is Involved in Regulating Anaphase Onset and Late Mitotic Events 1393 Alfonso Dueñas Gonzalez and Mitsunori Kaya and Wen Shi and Howard Song and Joseph R. Testa and Linda Z. Penn and Jorge Filmus OCI-5\slash GPC3, a Glypican Encoded by a Gene That Is Mutated in the Simpson--Golabi--Behmel Overgrowth Syndrome, Induces Apoptosis in a Cell Line--specific Manner . . . . . . . . . 1407 Hans-Peter Hauser and Michael Bardroff and George Pyrowolakis and Stefan Jentsch A Giant Ubiquitin-conjugating Enzyme Related to IAP Apoptosis Inhibitors . . 1415 Shirlee Tan and Yutaka Sagara and Yuanbin Liu and Pamela Maher and David Schubert The Regulation of Reactive Oxygen Species Production during Programmed Cell Death . . . . . . . . . . . . . . . 1423 Inbal Simcha and Michael Shtutman and Daniela Salomon and Jacob Zhurinsky and Einat Sadot and Benjamin Geiger and Avri Ben-Ze'ev Differential Nuclear Translocation and Transactivation Potential of $ \beta $-Catenin and Plakoglobin . . . . . . . 1433 Enzo Calautti and Sara Cabodi and Paul L. Stein and Mechthild Hatzfeld and Nancy Kedersha and G. Paolo Dotto Tyrosine Phosphorylation and Src Family Kinases Control Keratinocyte Cell--Cell Adhesion . . . . . . . . . . . . . . . . 1449 Gabriel Mbalaviele and Riko Nishimura and Akira Myoi and Maria Niewolna and Sakamuri V. Reddy and Di Chen and Jian Feng and David Roodman and Gregory R. Mundy and Toshiyuki Yoneda Cadherin-6 Mediates the Heterotypic Interactions between the Hemopoietic Osteoclast Cell Lineage and Stromal Cells in a Murine Model of Osteoclast Differentiation . . . . . . . . . . . . 1467
Kuo-I Lin and Joseph A. DiDonato and Alexander Hoffmann and J. Marie Hardwick and Rajiv R. Ratan Suppression of Steady-state, but not Stimulus-induced NF-$ \kappa $B Activity Inhibits Alphavirus-induced Apoptosis 1479 Jesse C. Hay and Judith Klumperman and Viola Oorschot and Martin Steegmaier and Christin S. Kuo and Richard H. Scheller Localization, Dynamics, and Protein Interactions Reveal Distinct Roles for ER and Golgi SNAREs . . . . . . . . . . 1489 Seng Hui Low and Steven J. Chapin and Christian Wimmer and Sidney W. Whiteheart and László G. Kömüves and Keith E. Mostov and Thomas Weimbs The SNARE Machinery Is Involved in Apical Plasma Membrane Trafficking in MDCK Cells . . . . . . . . . . . . . . . 1503 Ping Lin and Helen Le-Niculescu and Robert Hofmeister and J. Michael McCaffery and Mingjie Jin and Hanjo Hennemann and Tammie McQuistan and Luc De Vries and Marilyn Gist Farquhar The Mammalian Calcium-binding Protein, Nucleobindin (CALNUC), Is a Golgi Resident Protein . . . . . . . . . . . . 1515 Barbara Peracino and Jane Borleis and Tian Jin and Monika Westphal and Jean-Marc Schwartz and Lijun Wu and Enrico Bracco and Günther Gerisch and Peter Devreotes and Salvatore Bozzaro G Protein $ \beta $ Subunit--null Mutants Are Impaired in Phagocytosis and Chemotaxis Due to Inappropriate Regulation of the Actin Cytoskeleton . . 1529 Mikio Furuse and Kohji Fujita and Takashi Hiiragi and Kazushi Fujimoto and Shoichiro Tsukita Claudin-1 and -2: Novel Integral Membrane Proteins Localizing at Tight Junctions with No Sequence Similarity to Occludin . . . . . . . . . . . . . . . . 1539 Shmuel Tuvia and Shlomo Levin and Arkady Bitler and Rafi Korenstein Mechanical Fluctuations of the Membrane--Skeleton Are Dependent on F--Actin ATPase in Human Erythrocytes 1551 Andrew M. Fry and Thibault Mayor and Patrick Meraldi and York-Dieter Stierhof and Kayoko Tanaka and Erich A. Nigg C-Nap1, a Novel Centrosomal Coiled--Coil Protein and Candidate Substrate of the Cell Cycle--regulated Protein Kinase Nek2 . . . . . . . . . . . . . . . . . . 1563 L. Wu and S. A. Osmani and P. M. Mirabito A Role for NIMA in the Nuclear Localization of Cyclin B in Aspergillus nidulans . . . . . . . . . . . . . . . . 1575 Dennis R. LaJeunesse and Brooke M. McCartney and Richard G. Fehon Structural Analysis of \bionameDrosophila Merlin Reveals Functional Domains Important for Growth Control and Subcellular Localization . . 1589 Ilham A. Muslimov and Gary Banker and Jürgen Brosius and Henri Tiedge Activity-dependent Regulation of Dendritic BC1 RNA in Hippocampal Neurons in Culture . . . . . . . . . . . . . . . 1601 Zhengshan Dai and H. Benjamin Peng A Role of Tyrosine Phosphatase in Acetylcholine Receptor Cluster Dispersal and Formation . . . . . . . . . . . . . 1613 Masaya Hirose and Toshimasa Ishizaki and Naoki Watanabe and Masayoshi Uehata and Onno Kranenburg and Wouter H. Moolenaar and Fumio Matsumura and Midori Maekawa and Haruhiko Bito and Shuh Narumiya Molecular Dissection of the Rho-associated Protein Kinase (p160ROCK)-regulated Neurite Remodeling in Neuroblastoma N1E-115 Cells . . . . . 1625 Michel Pucéat and Serge Roche and Guy Vassort Src Family Tyrosine Kinase Regulates Intracellular pH in Cardiomyocytes . . . 1637 Theresa M. LaVallee and Igor A. Prudovsky and Grainne A. McMahon and Xiaoguo Hu and Thomas Maciag Activation of the MAP Kinase Pathway by FGF-1 Correlates with Cell Proliferation Induction While Activation of the Src Pathway Correlates with Migration . . . 1647 Graziano Seghezzi and Sundeep Patel and Christine J. Ren and Anna Gualandris and Giuseppe Pintucci and Edith S. Robbins and Richard L. Shapiro and Aubrey C. Galloway and Daniel B. Rifkin and Paolo Mignatti Fibroblast Growth Factor-2 (FGF-2) Induces Vascular Endothelial Growth Factor (VEGF) Expression in the Endothelial Cells of Forming Capillaries: an Autocrine Mechanism Contributing to Angiogenesis . . . . . . 1659 Pauline O'Grady and Tran Cam Thai and Haruo Saito The Laminin--Nidogen Complex is a Ligand for a Specific Splice Isoform of the Transmembrane Protein Tyrosine Phosphatase LAR . . . . . . . . . . . . 1675 Takaaki Hato and Nisar Pampori and Sanford J. Shattil Complementary Roles for Receptor Clustering and Conformational Change in the Adhesive and Signaling Functions of Integrin $ \alpha_{IIb} $ $ \beta_3 $ 1685
Stephen S. Taylor and Edward Ha and Frank McKeon The Human Homologue of Bub3 Is Required for Kinetochore Localization of Bub1 and a Mad3/Bub1-related Protein Kinase . . . 1 Christine Moulton Clemson and Jennifer C. Chow and Carolyn J. Brown and Jeanne Bentley Lawrence Stabilization and Localization of Xist RNA are Controlled by Separate Mechanisms and are Not Sufficient for X Inactivation . . . . . . . . . . . . . . 13 Jan Willem Kok and Teresa Babia and Catalin M. Filipeanu and Adriaan Nelemans and Gustavo Egea and Dick Hoekstra PDMP Blocks Brefeldin A--induced Retrograde Membrane Transport from Golgi to ER: Evidence for Involvement of Calcium Homeostasis and Dissociation from Sphingolipid Metabolism . . . . . . 25 Laurie A. Graham and Kathryn J. Hill and Tom H. Stevens Assembly of the Yeast Vacuolar H$^+$-ATPase Occurs in the Endoplasmic Reticulum and Requires a Vma12p/Vma22p Assembly Complex . . . . . . . . . . . . 39 Sasa Lin and Hussein Y. Naim and A. Chapin Rodriguez and Michael G. Roth Mutations in the Middle of the Transmembrane Domain Reverse the Polarity of Transport of the Influenza Virus Hemagglutinin in MDCK Epithelial Cells . . . . . . . . . . . . . . . . . 51 Richard G. Kibbey and Josep Rizo and Lila M. Gierasch and Richard G. W. Anderson The LDL Receptor Clustering Motif Interacts with the Clathrin Terminal Domain in a Reverse Turn Conformation 59 A. K. Kenworthy and M. Edidin Distribution of a glycosylphosphatidylinositol-anchored protein at the apical surface of MDCK cells examined at a resolution of $< 100$Å using imaging fluorescence resonance energy transfer . . . . . . . . . . . . 69 Tzuu-Shuh Jou and W. James Nelson Effects of Regulated Expression of Mutant RhoA and Rac1 Small GTPases on the Development of Epithelial (MDCK) Cell Polarity . . . . . . . . . . . . . 85 Tzuu-Shuh Jou and Eveline E. Schneeberger and W. James Nelson Structural and Functional Regulation of Tight Junctions by RhoA and Rac1 Small GTPases . . . . . . . . . . . . . . . . 101 Inés Mart\`\in-Padura and Susan Lostaglio and Markus Schneemann and Lisa Williams and Maria Romano and Paolo Fruscella and Carla Panzeri and Antonella Stoppacciaro and Luigi Ruco and Antonello Villa and David Simmons and Elisabetta Dejana Junctional Adhesion Molecule, a Novel Member of the Immunoglobulin Superfamily That Distributes at Intercellular Junctions and Modulates Monocyte Transmigration . . . . . . . . . . . . . 117 Alexandra R. Cohen and Daniel F. Wood and Shirin M. Marfatia and Zenta Walther and Athar H. Chishti and James Melvin Anderson Human CASK/LIN-2 Binds Syndecan-2 and Protein 4.1 and Localizes to the Basolateral Membrane of Epithelial Cells 129 Yi-Ping Hsueh and Fu-Chia Yang and Viktor Kharazia and Scott Naisbitt and Alexandra R. Cohen and Richard J. Weinberg and Morgan Sheng Direct Interaction of CASK/LIN-2 and Syndecan Heparan Sulfate Proteoglycan and Their Overlapping Distribution in Neuronal Synapses . . . . . . . . . . . 139 C. Poüs and K. Chabin and A. Drechou and L. Barbot and T. Phung-Koskas and C. Settegrana and M. L. Bourguet-Kondracki and M. Maurice and D. Cassio and M. Guyot and G. Durand Functional Specialization of Stable and Dynamic Microtubules in Protein Traffic in WIF--B Cells . . . . . . . . . . . . 153 Laurent Guillaud and Christophe Bosc and Anne Fourest-Lieuvin and Eric Denarier and Fabienne Pirollet and Laurence Lafanech\`ere and Didier Job STOP Proteins are Responsible for the High Degree of Microtubule Stabilization Observed in Neuronal Cells . . . . . . . 167 Irina Kaverina and Klemens Rottner and J. Victor Small Targeting, Capture, and Stabilization of Microtubules at Early Focal Adhesions 181 A. Shibata and M. V. Wright and S. David and L. McKerracher and P. E. Braun and S. B. Kater Unique Responses of Differentiating Neuronal Growth Cones to Inhibitory Cues Presented by Oligodendrocytes . . . . . 191 Nobuaki Maeda and Masaharu Noda Involvement of Receptor-like Protein Tyrosine Phosphatase $ \zeta $ /RPTP$ \beta $ and Its Ligand Pleiotrophin/Heparin-binding Growth-associated Molecule (HB-GAM) in Neuronal Migration . . . . . . . . . . . 203 Di Lu and Hong Yang and Robert H. Lenox and Mohan K. Raizada Regulation of Angiotensin II--induced Neuromodulation by MARCKS in Brain Neurons . . . . . . . . . . . . . . . . 217 James R. Van Brocklyn and Menq-Jer Lee and Ramil Menzeleev and Ana Olivera and Lisa Edsall and Olivier Cuvillier and Dianne M. Thomas and Peter J. P. Coopman and Shobha Thangada and Catherine H. Liu and Timothy Hla and Sarah Spiegel Dual Actions of Sphingosine-1-Phosphate: Extracellular through the G$_i$-coupled Receptor Edg-1 and Intracellular to Regulate Proliferation and Survival . . 229 Arthur J. Kudla and Nathan C. Jones and R. Scott Rosenthal and Kirstin Arthur and Kari L. Clase and Bradley B. Olwin The FGF Receptor--1 Tyrosine Kinase Domain Regulates Myogenesis but Is Not Sufficient to Stimulate Proliferation 241 Michael Hortsch and Diahann Homer and Jyoti Dhar Malhotra and Sherry Chang and Jason Frankel and Gregory Jefford and Ronald R. Dubreuil Structural Requirements for Outside--In and Inside--Out Signaling by \bionameDrosophila Neuroglian, a Member of the L1 Family of Cell Adhesion Molecules . . . . . . . . . . . . . . . 251 Karen R. Snapp and Ron Craig and Michael Herron and Robert D. Nelson and Lloyd M. Stoolman and Geoffrey S. Kansas Dimerization of P--Selectin Glycoprotein Ligand-1 (PSGL-1) Required for Optimal Recognition of P--Selectin . . . . . . . 263 Roel Q. J. Schaapveld and Luca Borradori and Dirk Geerts and Manuel R. van Leusden and Ingrid Kuikman and Mirjam G. Nievers and Carien M. Niessen and Renske D. M. Steenbergen and Peter J. F. Snijders and Arnoud Sonnenberg Hemidesmosome Formation Is Initiated by the $ \beta $4 Integrin Subunit, Requires Complex Formation of $ \beta $4 and HD1/Plectin, and Involves a Direct Interaction between $ \beta $4 and the Bullous Pemphigoid Antigen 180 . . . . . 271 Rupert Hagg and Peter Bruckner and Erik Hedbom Cartilage Fibrils of Mammals are Biochemically Heterogeneous: Differential Distribution of Decorin and Collagen IX . . . . . . . . . . . . . . 285 D. Chen and X. Ji and M. A. Harris and J. Q. Feng and G. Karsenty and A. J. Celeste and V. Rosen and G. R. Mundy and S. E. Harris Differential Roles for Bone Morphogenetic Protein (BMP) Receptor Type IB and IA in Differentiation and Specification of Mesenchymal Precursor Cells to Osteoblast and Adipocyte Lineages . . . . . . . . . . . . . . . . 295
Da Wei Huang and Laura Fanti and Daniel T. S. Pak and Michael R. Botchan and Sergio Pimpinelli and Rebecca Kellum Distinct Cytoplasmic and Nuclear Fractions of \bionameDrosophila Heterochromatin Protein 1: Their Phosphorylation Levels and Associations with Origin Recognition Complex Proteins 307 Cynthia Isaac and Yunfeng Yang and U. Thomas Meier Nopp140 Functions as a Molecular Link Between the Nucleolus and the Coiled Bodies . . . . . . . . . . . . . . . . . 319 Li Yuan and Jeanette Pelttari and Eva Brundell and Birgitta Björkroth and Jian Zhao and Jian-Guo Liu and Hjalmar Brismar and Bertil Daneholt and Christer Höög The Synaptonemal Complex Protein SCP3 Can Form Multistranded, Cross-striated Fibers In Vivo . . . . . . . . . . . . . 331 Stephen C. Ogg and Wolfgang P. Barz and Peter Walter A Functional GTPase Domain, but not its Transmembrane Domain, is Required for Function of the SRP Receptor $ \beta $-subunit . . . . . . . . . . . . . . . 341 Walther Mothes and Berit Jungnickel and Josef Brunner and Tom A. Rapoport Signal Sequence Recognition in Cotranslational Translocation by Protein Components of the Endoplasmic Reticulum Membrane . . . . . . . . . . . . . . . . 355 Domenico Tortorella and Craig M. Story and Johannes B. Huppa and Emmanuel J. H. J. Wiertz and Thomas R. Jones and Hidde L. Ploegh Dislocation of Type I Membrane Proteins from the ER to the Cytosol Is Sensitive to Changes in Redox Potential . . . . . 365 Florence Vollenweider and Felix Kappeler and Christian Itin and Hans-Peter Hauri Mistargeting of the Lectin ERGIC-53 to the Endoplasmic Reticulum of HeLa Cells Impairs the Secretion of a Lysosomal Enzyme . . . . . . . . . . . . . . . . . 377 Chean Eng Ooi and Esteban C. Dell'Angelica and Juan S. Bonifacino ADP-Ribosylation Factor 1 (ARF1) Regulates Recruitment of the AP-3 Adaptor Complex to Membranes . . . . . . 391 Vladimir I. Titorenko and Jennifer J. Smith and Rachel K. Szilard and Richard A. Rachubinski Pex20p of the Yeast Yarrowia lipolytica Is Required for the Oligomerization of Thiolase in the Cytosol and for Its Targeting to the Peroxisome . . . . . . 403 Ewald H. Hettema and Caroline C. M. Ruigrok and Marian Groot Koerkamp and Marlene van den Berg and Henk F. Tabak and Ben Distel and Ineke Braakman The Cytosolic DnaJ-like Protein Djp1p Is Involved Specifically in Peroxisomal Protein Import . . . . . . . . . . . . . 421 Christopher B. Yohn and Amybeth Cohen and Cristen Rosch and Michael R. Kuchka and Stephen P. Mayfield Translation of the Chloroplast psbA mRNA Requires the Nuclear-encoded Poly(A)-binding Protein, RB47 . . . . . 435 Mahasin A. Osman and Richard A. Cerione Iqg1p, a Yeast Homologue of the Mammalian IQGAPs, Mediates Cdc42p Effects on the Actin Cytoskeleton . . . 443 Kenneth E. Sawin and Paul Nurse Regulation of Cell Polarity by Microtubules in Fission Yeast . . . . . 457 Burkhard Wiesner and Jocelyn Weiner and Ralf Middendorff and Volker Hagen and U. Benjamin Kaupp and Ingo Weyand Cyclic Nucleotide-gated Channels on the Flagellum Control Ca$^{2+}$ Entry into Sperm . . . . . . . . . . . . . . . . . 473 Yoichiro Matsuoka and Xiaolin Li and Vann Bennett Adducin Is an In Vivo Substrate for Protein Kinase C: Phosphorylation in the MARCKS-related Domain Inhibits Activity in Promoting Spectrin--Actin Complexes and Occurs in Many Cells, Including Dendritic Spines of Neurons . . . . . . 485 Susannetom Dieck and Lydia Sanmartí-Vila and Kristina Langnaese and Karin Richter and Stefan Kindler and Antje Soyke and Heike Wex and Karl-Heinz Smalla and Udo Kämpf and Jürgen-Theodor Fränzer and Markus Stumm and Craig C. Garner and Eckart D. Gundelfinger Bassoon, a Novel Zinc-finger CAG/Glutamine-repeat Protein Selectively Localized at the Active Zone of Presynaptic Nerve Terminals . . . . . . 499 Jiacheng Yang and Judith A. Drazba and Donald G. Ferguson and Meredith Bond A-kinase Anchoring Protein 100 (AKAP100) is Localized in Multiple Subcellular Compartments in the Adult Rat Heart . . 511 Angela Clerk and Ashour Michael and Peter H. Sugden Stimulation of the p38 Mitogen-activated Protein Kinase Pathway in Neonatal Rat Ventricular Myocytes by the G Protein--coupled Receptor Agonists, Endothelin-1 and Phenylephrine: a Role in Cardiac Myocyte Hypertrophy? . . . . 523 Janice A. Dominov and Jonathan J. Dunn and Jeffrey Boone Miller Bcl-2 Expression Identifies an Early Stage of Myogenesis and Promotes Clonal Expansion of Muscle Cells . . . . . . . 537 Xian-Zhong Shawn Xu and Atish Choudhury and Xiaoling Li and Craig Montell Coordination of an Array of Signaling Proteins through Homo- and Heteromeric Interactions Between PDZ Domains and Target Proteins . . . . . . . . . . . . 545 Brad St. Croix and Capucine Sheehan and Janusz W. Rak and Vivi Ann Flòrenes and Joyce M. Slingerland and Robert S. Kerbel E-Cadherin-dependent Growth Suppression is Mediated by the Cyclin-dependent Kinase Inhibitor p27$^{\rm KIP1}$ . . . 557 Edwin A. Clark and Warren G. King and Joan S. Brugge and Marc Symons and Richard O. Hynes Integrin-mediated Signals Regulated by Members of the Rho Family of GTPases . . 573 Ambra Pozzi and Kishore K. Wary and Filippo G. Giancotti and Humphrey A. Gardner Integrin $ \alpha $1$ \beta $1 Mediates a Unique Collagen-dependent Proliferation Pathway In Vivo . . . . . 587 Dheepika Weerasinghe and Kevin P. McHugh and Frederick P. Ross and Eric J. Brown and Roland H. Gisler and Beat A. Imhof A Role for the $ \alpha $ v$ \beta $3 Integrin in the Transmigration of Monocytes . . . . . . . . . . . . . . . 595
Fern P. Finger and Peter Novick Spatial Regulation of Exocytosis: Lessons from Yeast . . . . . . . . . . . 609 Koji Okamoto and Philip S. Perlman and Ronald A. Butow The Sorting of Mitochondrial DNA and Mitochondrial Proteins in Zygotes: Preferential Transmission of Mitochondrial DNA to the Medial Bud . . 613 Philippe Lenormand and Jean-Marc Brondello and Anne Brunet and Jacques Pouysségur Growth Factor--induced p42/p44 MAPK Nuclear Translocation and Retention Requires Both MAPK Activation and Neosynthesis of Nuclear Anchoring Proteins . . . . . . . . . . . . . . . . 625 Amy Tam and Franklin J. Nouvet and Konomi Fujimura-Kamada and Hilda Slunt and Sangram S. Sisodia and Susan Michaelis Dual Roles for Ste24p in Yeast a--Factor Maturation: NH$_2$-terminal Proteolysis and COOH-terminal CAAX Processing . . . 635 Nia J. Bryant and Robert C. Piper and Lois S. Weisman and Tom H. Stevens Retrograde Traffic Out of the Yeast Vacuole to the TGN Occurs via the Prevacuolar/Endosomal Compartment . . . 651 Matthew N. J. Seaman and J. Michael McCaffery and Scott D. Emr A Membrane Coat Complex Essential for Endosome-to-Golgi Retrograde Transport in Yeast . . . . . . . . . . . . . . . . 665 Sven C. D. van IJzendoorn and Dick Hoekstra (Glyco)sphingolipids Are Sorted in Sub--Apical Compartments in HepG2 Cells: a Role for Non--Golgi-Related Intracellular Sites in the Polarized Distribution of (Glyco)sphingolipids . . 683 Alan D. Marmorstein and Yunbo C. Gan and Vera L. Bonilha and Silvia C. Finnemann and Karl G. Csaky and Enrique Rodriguez-Boulan Apical Polarity of N-CAM and EMMPRIN in Retinal Pigment Epithelium Resulting from Suppression of Basolateral Signal Recognition . . . . . . . . . . . . . . 697 Richard C. Stevens and Trisha N. Davis Mlc1p Is a Light Chain for the Unconventional Myosin Myo2p in \bionameSaccharomyces cerevisiae . . . . 711 Bruce L. Goode and David G. Drubin and Pekka Lappalainen Regulation of the Cortical Actin Cytoskeleton in Budding Yeast by Twinfilin, a Ubiquitous Actin Monomer-sequestering Protein . . . . . . 723 Francisco Rivero and Adam Kuspa and Regine Brokamp and Monika Matzner and Angelika A. Noegel Interaptin, an Actin-binding Protein of the $ \alpha $-Actinin Superfamily in \bionameDictyostelium discoideum, Is Developmentally and cAMP-regulated and Associates with Intracellular Membrane Compartments . . . . . . . . . . . . . . 735 Silvia Bonaccorsi and Maria Grazia Giansanti and Maurizio Gatti Spindle Self-organization and Cytokinesis During Male Meiosis in asterless Mutants of \bionameDrosophila melanogaster . . . . . . . . . . . . . . 751 Daniel A. Starr and Byron C. Williams and Thomas S. Hays and Michael L. Goldberg ZW10 Helps Recruit Dynactin and Dynein to the Kinetochore . . . . . . . . . . . 763 Michelle Moritz and Yixian Zheng and Bruce M. Alberts and Karen Oegema Recruitment of the $ \gamma $-Tubulin Ring Complex to \bionameDrosophila Salt-stripped Centrosome Scaffolds . . . 775 Todd Maney and Andrew W. Hunter and Mike Wagenbach and Linda Wordeman Mitotic Centromere--associated Kinesin Is Important for Anaphase Chromosome Segregation . . . . . . . . . . . . . . 787 Amy R. Reilein and Irina S. Tint and Natalia I. Peunova and Grigori N. Enikolopov and Vladimir I. Gelfand Regulation of Organelle Movement in Melanophores by Protein Kinase A (PKA), Protein Kinase C (PKC), and Protein Phosphatase 2A (PP2A) . . . . . . . . . 803 Chiara Albertinazzi and Daniela Gilardelli and Simona Paris and Renato Longhi and Ivan de Curtis Overexpression of a Neural-specific Rho Family GTPase, cRac1B, Selectively Induces Enhanced Neuritogenesis and Neurite Branching in Primary Neurons . . 815 Corine Bertolotto and Patricia Abbe and Timothy J. Hemesath and Karine Bille and David E. Fisher and Jean-Paul Ortonne and Robert Ballotti Microphthalmia Gene Product as a Signal Transducer in cAMP--Induced Differentiation of Melanocytes . . . . . 827 Nikolai A. Chitaev and Sergey M. Troyanovsky Adhesive But Not Lateral E-cadherin Complexes Require Calcium and Catenins for Their Formation . . . . . . . . . . 837 Mitsuko Watabe-Uchida and Naoshige Uchida and Yuzo Imamura and Akira Nagafuchi and Kazushi Fujimoto and Tadashi Uemura and Stefan Vermeulen and Frans van Roy and Eileen D. Adamson and Masatoshi Takeichi $ \alpha $-Catenin-Vinculin Interaction Functions to Organize the Apical Junctional Complex in Epithelial Cells 847 Hendra Setiadi and Gerald Sedgewick and Stanley L. Erlandsen and Rodger P. McEver Interactions of the Cytoplasmic Domain of P--Selectin with Clathrin-coated Pits Enhance Leukocyte Adhesion under Flow 859 Guido Serini and Marie-Luce Bochaton-Piallat and Patricia Ropraz and Antoine Geinoz and Laura Borsi and Luciano Zardi and Giulio Gabbiani The Fibronectin Domain ED--A Is Crucial for Myofibroblastic Phenotype Induction by Transforming Growth Factor-$ \beta $1 873
Andrew J. Saurin and Carol Shiels and Jill Williamson and David P. E. Satijn and Arie P. Otte and Denise Sheer and Paul S. Freemont The Human Polycomb Group Complex Associates with Pericentromeric Heterochromatin to Form a Novel Nuclear Domain . . . . . . . . . . . . . . . . . 887 Fátima Almeida and Rainer Saffrich and Wilhelm Ansorge and Maria Carmo-Fonseca Microinjection of Anti-coilin Antibodies Affects the Structure of Coiled Bodies 899 Tamara Darsow and Christopher G. Burd and Scott D. Emr Acidic Di-leucine Motif Essential for AP-3-dependent Sorting and Restriction of the Functional Specificity of the Vam3p Vacuolar t-SNARE . . . . . . . . . 913 Richik N. Ghosh and William G. Mallet and Thwe T. Soe and Timothy E. McGraw and Frederick R. Maxfield An Endocytosed TGN38 Chimeric Protein Is Delivered to the TGN after Trafficking through the Endocytic Recycling Compartment in CHO Cells . . . . . . . . 923 Adeela Kamal and Yun-shu Ying and Richard G. W. Anderson Annexin VI-mediated Loss of Spectrin during Coated Pit Budding Is Coupled to Delivery of LDL to Lysosomes . . . . . . 937 Amy F. Roth and Daniel M. Sullivan and Nicholas G. Davis A Large PEST-like Sequence Directs the Ubiquitination, Endocytosis, and Vacuolar Degradation of the Yeast a--Factor Receptor . . . . . . . . . . . 949 Linu M. John and James D. Lechleiter and Patricia Camacho Differential Modulation of SERCA2 Isoforms by Calreticulin . . . . . . . . 963 Michael R. Duchen and Anne Leyssens and Martin Crompton Transient Mitochondrial Depolarizations Reflect Focal Sarcoplasmic Reticular Calcium Release in Single Rat Cardiomyocytes . . . . . . . . . . . . . 975 Michio Tomishige and Yasushi Sako and Akihiro Kusumi Regulation Mechanism of the Lateral Diffusion of Band 3 in Erythrocyte Membranes by the Membrane Skeleton . . . 989 Sally H. Zigmond and Michael Joyce and Changsong Yang and Kevin Brown and Minzhou Huang and Martin Pring Mechanism of Cdc42-induced Actin Polymerization in Neutrophil Extracts 1001 Conly L. Rieder and Richard W. Cole Entry into Mitosis in Vertebrate Somatic Cells Is Guarded by a Chromosome Damage Checkpoint That Reverses the Cell Cycle When Triggered during Early but Not Late Prophase . . . . . . . . . . . . . . . . 1013 Sher Karki and Bernadette LaMonte and Erika L. F. Holzbaur Characterization of the p22 Subunit of Dynactin Reveals the Localization of Cytoplasmic Dynein and Dynactin to the Midbody of Dividing Cells . . . . . . . 1023 Rudolph D. Paladini and Pierre A. Coulombe Directed Expression of Keratin 16 to the Progenitor Basal Cells of Transgenic Mouse Skin Delays Skin Maturation . . . 1035 Shinichiro Taya and Takaharu Yamamoto and Kyoko Kano and Yoji Kawano and Akihiro Iwamatsu and Tomoko Tsuchiya and Keiji Tanaka and Masami Kanai-Azuma and Stephen A. Wood and John S. Mattick and Kozo Kaibuchi The Ras Target AF-6 is a Substrate of the Fam Deubiquitinating Enzyme . . . . 1053 Claudio Sette and Arturo Bevilacqua and Raffaele Geremia and Pellegrino Rossi Involvement of Phospholipase C$ \gamma $1 in Mouse Egg Activation Induced by a Truncated Form of the C-kit Tyrosine Kinase Present in Spermatozoa . . . . . 1063 Zhican Qu and Lawrence A. Wolfraim and John Svaren and Markus U. Ehrengruber and Norman Davidson and Jeffrey Milbrandt The Transcriptional Corepressor NAB2 Inhibits NGF-induced Differentiation of PC12 Cells . . . . . . . . . . . . . . . 1075 Hansjürgen Volkmer and Ute Zacharias and Ursel Nörenberg and Fritz G. Rathjen Dissection of Complex Molecular Interactions of Neurofascin with Axonin-1, F11, and Tenascin--R, Which Promote Attachment and Neurite Formation of Tectal Cells . . . . . . . . . . . . 1083 Rita J. Balice-Gordon and Linda J. Bone and Steven S. Scherer Functional Gap Junctions in the Schwann Cell Myelin Sheath . . . . . . . . . . . 1095 Cynthia L. Adams and Yih-Tai Chen and Stephen J. Smith and W. James Nelson Mechanisms of Epithelial Cell--Cell Adhesion and Cell Compaction Revealed by High-resolution Tracking of E-Cadherin/Green Fluorescent Protein . . 1105 Helen Priddle and Lance Hemmings and Susan Monkley and Alison Woods and Bipin Patel and Deborah Sutton and Graham A. Dunn and Daniel Zicha and David R. Critchley Disruption of the Talin Gene Compromises Focal Adhesion Assembly in Undifferentiated but Not Differentiated Embryonic Stem Cells . . . . . . . . . . 1121 Maria Nurminskaya and Cordula Magee and Dmitry Nurminsky and Thomas F. Linsenmayer Plasma Transglutaminase in Hypertrophic Chondrocytes: Expression and Cell-specific Intracellular Activation Produce Cell Death and Externalization 1135 Livio Trusolino and Guido Serini and Germana Cecchini and Cristina Besati and Francesco Saverio Ambesi-Impiombato and Pier Carlo Marchisio and Rosaria De Filippi Growth Factor-dependent Activation of $ \alpha v \beta 3 $ Integrin in Normal Epithelial Cells: Implications for Tumor Invasion . . . . . . . . . . . . . . . . 1145
Jean-Marc Lemaitre and Gérard Géraud and Marcel Méchali Dynamics of the Genome during Early \bionameXenopus laevis Development: Karyomeres As Independent Units of Replication . . . . . . . . . . . . . . 1159 Céline Verheggen and Sophie Le Panse and Genevi\`eve Almouzni and Dani\`ele Hernandez-Verdun Presence of Pre-rRNAs before Activation of Polymerase I Transcription in the Building Process of Nucleoli during Early Development of \bionameXenopus laevis . . . . . . . . . . . . . . . . . 1167 Xin Sun and Alla T. Alzhanova-Ericsson and Neus Visa and Youssef Aissouni and Jian Zhao and Bertil Daneholt The hrp23 Protein in the Balbiani Ring Pre-mRNP Particles Is Released Just before or at the Binding of the Particles to the Nuclear Pore Complex 1181 Silvia Gigliotti and Giuliano Callaini and Silvia Andone and Maria Giovanna Riparbelli and Roberto Pernas-Alonso and Gyula Hoffmann and Franco Graziani and Carla Malva Nup154, a New \bionameDrosophila Gene Essential for Male and Female Gametogenesis Is Related to the Nup155 Vertebrate Nucleoporin Gene . . . . . . 1195 Jacqueline Powers and Charles Barlowe Transport of Axl2p Depends on Erv14p, an ER--Vesicle Protein Related to the \bionameDrosophila cornichon Gene Product . . . . . . . . . . . . . . . . 1209 Claude A. Jakob and Patricie Burda and Jürgen Roth and Markus Aebi Degradation of Misfolded Endoplasmic Reticulum Glycoproteins in \bionameSaccharomyces cerevisiae Is Determined by a Specific Oligosaccharide Structure . . . . . . . . . . . . . . . 1223 Barbara Landolfi and Silvana Curci and Lucantonio Debellis and Tullio Pozzan and Aldebaran M. Hofer Ca$^{2+}$ Homeostasis in the Agonist-sensitive Internal Store: Functional Interactions Between Mitochondria and the ER Measured In Situ in Intact Cells . . . . . . . . . . . . 1235 Jen-Zen Chuang and Ching-Hwa Sung The Cytoplasmic Tail of Rhodopsin Acts as a Novel Apical Sorting Signal in Polarized MDCK Cells . . . . . . . . . . 1245 Zhuqing Qu and Levent Balkir and Judith C. T. van Deutekom and Paul D. Robbins and Ryan Pruchnic and Johnny Huard Development of Approaches to Improve Cell Survival in Myoblast Transfer Therapy . . . . . . . . . . . . . . . . 1257 Matthew F. Peters and Hél\`ene M. Sadoulet-Puccio and R. Mark Grady and Neal R. Kramarcy and Louis M. Kunkel and Joshua R. Sanes and Robert Sealock and Stanley C. Froehner Differential Membrane Localization and Intermolecular Associations of $ \alpha $-Dystrobrevin Isoforms in Skeletal Muscle . . . . . . . . . . . . . . . . . 1269 Andrew A. Hack and Chantal T. Ly and Fang Jiang and Cynthia J. Clendenin and Kirsten S. Sigrist and Robert L. Wollmann and Elizabeth M. McNally $ \gamma $-Sarcoglycan Deficiency Leads to Muscle Membrane Defects and Apoptosis Independent of Dystrophin . . . . . . . 1279 Lisa D. Belmont and David G. Drubin The Yeast V159N Actin Mutant Reveals Roles for Actin Dynamics In Vivo . . . . 1289 Erfei Bi and Paul Maddox and Daniel J. Lew and E. D. Salmon and John N. McMillan and Elaine Yeh and John R. Pringle Involvement of an Actomyosin Contractile Ring in \bionameSaccharomyces cerevisiae Cytokinesis . . . . . . . . . . . . . . 1301 James L. Franklin and Eugene M. Johnson Control of Neuronal Size Homeostasis by Trophic Factor--mediated Coupling of Protein Degradation to Protein Synthesis 1313 James E. Bear and John F. Rawls and Charles L. Saxe SCAR, a WASP-related Protein, Isolated as a Suppressor of Receptor Defects in Late \bionameDictyostelium Development 1325 Ming-Jer Tang and Dane Worley and Michele Sanicola and Gregory R. Dressler The RET--Glial Cell-derived Neurotrophic Factor (GDNF) Pathway Stimulates Migration and Chemoattraction of Epithelial Cells . . . . . . . . . . . . 1337 Olugbenga A. Adebanjo and Baljit S. Moonga and Tomoo Yamate and Li Sun and Cedric Minkin and Etsuko Abe and Mone Zaidi Mode of Action of Interleukin-6 on Mature Osteoclasts. Novel Interactions with Extracellular Ca$^{2+}$ Sensing in the Regulation of Osteoclastic Bone Resorption . . . . . . . . . . . . . . . 1347 Kairbaan M. Hodivala-Dilke and C. Michael DiPersio and Jordan A. Kreidberg and Richard O. Hynes Novel Roles for $ \alpha $3$ \beta $1 Integrin as a Regulator of Cytoskeletal Assembly and as a Trans-dominant Inhibitor of Integrin Receptor Function in Mouse Keratinocytes . . . . . . . . . 1357 Ron D. M. Soede and Yvonne M. Wijnands and Ioana Van Kouteren-Cobzaru and Ed Roos ZAP-70 Tyrosine Kinase Is Required for LFA-1-dependent T Cell Migration . . . . 1371 P. Lorenzon and E. Vecile and E. Nardon and E. Ferrero and J. M. Harlan and F. Tedesco and A. Dobrina Endothelial Cell E- and P--Selectin and Vascular Cell Adhesion Molecule-1 Function as Signaling Receptors . . . . 1381
Jacopo Meldolesi and Tullio Pozzan The Heterogeneity of ER Ca$^{2+}$ Stores Has a Key Role in Nonmuscle Cell Signaling and Function . . . . . . . . . 1395 Sean S. Molloy and Laurel Thomas and Craig Kamibayashi and Marc C. Mumby and Gary Thomas Regulation of Endosome Sorting by a Specific PP2A Isoform . . . . . . . . . 1399 Frank Lafont and Sandra Lecat and Paul Verkade and Kai Simons Annexin XIIIb Associates with Lipid Microdomains to Function in Apical Delivery . . . . . . . . . . . . . . . . 1413 Thorkil Ploug and Bo van Deurs and Hua Ai and Samuel W. Cushman and Evelyn Ralston Analysis of GLUT4 Distribution in Whole Skeletal Muscle Fibers: Identification of Distinct Storage Compartments That Are Recruited by Insulin and Muscle Contractions . . . . . . . . . . . . . . 1429 Magali Kitzmann and Gilles Carnac and Marie Vandromme and Michael Primig and Ned J. C. Lamb and Anne Fernandez The Muscle Regulatory Factors MyoD and Myf-5 Undergo Distinct Cell Cycle--specific Expression in Muscle Cells . . . . . . . . . . . . . . . . . 1447 Franck Duclos and Volker Straub and Steven A. Moore and David P. Venzke and Ron F. Hrstka and Rachelle H. Crosbie and Madeleine Durbeej and Connie S. Lebakken and Audrey J. Ettinger and Jack van der Meulen and Kathleen H. Holt and Leland E. Lim and Joshua R. Sanes and Beverly L. Davidson and John A. Faulkner and Roger Williamson and Kevin P. Campbell Progressive Muscular Dystrophy in $ \alpha $-Sarcoglycan--deficient Mice . . 1461 Lisa Elia and Lorraine Marsh A Role for a Protease in Morphogenic Responses during Yeast Cell Fusion . . . 1473 John N. McMillan and Rey A. L. Sia and Daniel J. Lew A Morphogenesis Checkpoint Monitors the Actin Cytoskeleton in Yeast . . . . . . 1487 Tatiana S. Karpova and James G. McNally and Samuel L. Moltz and John A. Cooper Assembly and Function of the Actin Cytoskeleton of Yeast: Relationships between Cables and Patches . . . . . . . 1501 Yasmina Saoudi and Rati Fotedar and Ariane Abrieu and Marcel Dorée and Jürgen Wehland and Robert L. Margolis and Didier Job Stepwise Reconstitution of Interphase Microtubule Dynamics in Permeabilized Cells and Comparison to Dynamic Mechanisms in Intact Cells . . . . . . . 1519 Paul S. Shapiro and Eugeni Vaisberg and Alan J. Hunt and Nicholas S. Tolwinski and Anne M. Whalen and J. Richard McIntosh and Natalie G. Ahn Activation of the MKK/ERK Pathway during Somatic Cell Mitosis: Direct Interactions of Active ERK with Kinetochores and Regulation of the Mitotic 3F3/2 Phosphoantigen . . . . . . 1533 Maja Zecevic and Andrew D. Catling and Scott T. Eblen and Luigina Renzi and James C. Hittle and Tim J. Yen and Gary J. Gorbsky and Michael J. Weber Active MAP Kinase in Mitosis: Localization at Kinetochores and Association with the Motor Protein CENP--E . . . . . . . . . . . . . . . . 1547 Akiko Kumagai and Zijian Guo and Katayoon H. Emami and Sophie X. Wang and William G. Dunphy The \bionameXenopus Chk1 Protein Kinase Mediates a Caffeine-sensitive Pathway of Checkpoint Control in Cell-free Extracts 1559 Xu Zhang and Vann Bennett Restriction of 480/270-kD Ankyrin$_G$ to Axon Proximal Segments Requires Multiple Ankyrin$_G$-specific Domains . . . . . . 1571 Stephen J. Neame and Lee L. Rubin and Karen L. Philpott Blocking Cytochrome c Activity within Intact Neurons Inhibits Apoptosis . . . 1583 Thomas E. Melby and Charles N. Ciampaglio and Gina Briscoe and Harold P. Erickson The Symmetrical Structure of Structural Maintenance of Chromosomes (SMC) and MukB Proteins: Long, Antiparallel Coiled Coils, Folded at a Flexible Hinge . . . 1595 Masayuki Ozawa and Rolf Kemler The Membrane-proximal Region of the E--Cadherin Cytoplasmic Domain Prevents Dimerization and Negatively Regulates Adhesion Activity . . . . . . . . . . . 1605
Nobutaka Hirokawa and Sen Takeda Gene Targeting Studies Begin to Reveal the Function of Neurofilament Proteins 1 Rita Abranches and Alison F. Beven and Luis Aragón-Alcaide and Peter J. Shaw Transcription Sites Are Not Correlated with Chromosome Territories in Wheat Nuclei . . . . . . . . . . . . . . . . . 5 Amy K. Csink and Steven Henikoff Large-scale Chromosomal Movements During Interphase Progression in \bionameDrosophila . . . . . . . . . . . 13 M. Oakes and J. P. Aris and J. S. Brockenbrough and H. Wai and L. Vu and M. Nomura Mutational Analysis of the Structure and Localization of the Nucleolus in the Yeast \bionameSaccharomyces cerevisiae 23 Sui Huang and Thomas J. Deerinck and Mark H. Ellisman and David L. Spector The Perinucleolar Compartment and Transcription . . . . . . . . . . . . . 35 G. K. T. Chan and B. T. Schaar and T. J. Yen Characterization of the Kinetochore Binding Domain of CENP--E Reveals Interactions with the Kinetochore Proteins CENP--F and hBUBR1 . . . . . . 49 Jonathan D. Gary and Andrew E. Wurmser and Cecilia J. Bonangelino and Lois S. Weisman and Scott D. Emr Fab1p Is Essential for PtdIns(3)P 5-Kinase Activity and the Maintenance of Vacuolar Size and Membrane Homeostasis 65 A. Gibson and C. E. Futter and S. Maxwell and E. H. Allchin and M. Shipman and J.-P. Kraehenbuhl and D. Domingo and G. Odorizzi and I. S. Trowbridge and C. R. Hopkins Sorting Mechanisms Regulating Membrane Protein Traffic in the Apical Transcytotic Pathway of Polarized MDCK Cells . . . . . . . . . . . . . . . . . 81 Yasushi Izumi and Tomonori Hirose and Yoko Tamai and Syu-ichi Hirai and Yoji Nagashima and Toyoshi Fujimoto and Yo Tabuse and Kenneth J. Kemphues and Shigeo Ohno An Atypical PKC Directly Associates and Colocalizes at the Epithelial Tight Junction with ASIP, a Mammalian Homologue of \bionameCaenorhabditis elegans Polarity Protein PAR-3 . . . . . 95 James R. Bartles and Lili Zheng and Anli Li and Allison Wierda and Bin Chen Small Espin: a Third Actin-bundling Protein and Potential Forked Protein Ortholog in Brush Border Microvilli . . 107 Lewis G. Tilney and Patricia S. Connelly and Kelly A. Vranich and Michael K. Shaw and Gregory M. Guild Why Are Two Different Cross-linkers Necessary for Actin Bundle Formation In Vivo and What Does Each Cross-link Contribute? . . . . . . . . . . . . . . 121 Marisa Segal and Duncan J. Clarke and Steven I. Reed Clb5-associated Kinase Activity is Required Early in the Spindle Pathway for Correct Preanaphase Nuclear Positioning in \bionameSaccharomyces cerevisiae . . . . . . . . . . . . . . . 135 Miri Yoon and Robert D. Moir and Veena Prahlad and Robert D. Goldman Motile Properties of Vimentin Intermediate Filament Networks in Living Cells . . . . . . . . . . . . . . . . . 147 Veena Prahlad and Miri Yoon and Robert D. Moir and Ronald D. Vale and Robert D. Goldman Rapid Movements of Vimentin on Microtubule Tracks: Kinesin-dependent Assembly of Intermediate Filament Networks . . . . . . . . . . . . . . . . 159 Mala V. Rao and Megan K. Houseweart and Toni L. Williamson and Thomas O. Crawford and Janet Folmer and Don W. Cleveland Neurofilament-dependent Radial Growth of Motor Axons and Axonal Organization of Neurofilaments Does Not Require the Neurofilament Heavy Subunit (NF--H) or Its Phosphorylation . . . . . . . . . . 171 Qinzhang Zhu and Michael Lindenbaum and Françoise Levavasseur and Hél\`ene Jacomy and Jean-Pierre Julien Disruption of the NF--H Gene Increases Axonal Microtubule Content and Velocity of Neurofilament Transport: Relief of Axonopathy Resulting from the Toxin $ \beta $,$ \beta $'-Iminodipropionitrile 183 Gregory A. Elder and Victor L. Friedrich and Chulho Kang and Paolo Bosco and Andrei Gourov and Pang-Hsien Tu and Bin Zhang and Virginia M.-Y. Lee and Robert A. Lazzarini Requirement of Heavy Neurofilament Subunit in the Development of Axons with Large Calibers . . . . . . . . . . . . . 195 Ing Swie Goping and Atan Gross and Josée N. Lavoie and Mai Nguyen and Ronald Jemmerson and Kevin Roth and Stanley J. Korsmeyer and Gordon C. Shore Regulated Targeting of BAX to Mitochondria . . . . . . . . . . . . . . 207 Robert Eskes and Bruno Antonsson and Astrid Osen-Sand and Sylvie Montessuit and Christoph Richter and Rémy Sadoul and Gonzalo Mazzei and Anthony Nichols and Jean-Claude Martinou Bax-induced Cytochrome C Release from Mitochondria Is Independent of the Permeability Transition Pore but Highly Dependent on Mg$^{2+}$ Ions . . . . . . 217 Kumiko Samejima and Shigenobu Toné and Timothy J. Kottke and Masato Enari and Hideki Sakahira and Carol A. Cooke and Françoise Durrieu and Luis M. Martins and Shigekazu Nagata and Scott H. Kaufmann and William C. Earnshaw Transition from Caspase-dependent to Caspase-independent Mechanisms at the Onset of Apoptotic Execution . . . . . . 225 Xin Wu and Jon E. Mogford and Steven H. Platts and George E. Davis and Gerald A. Meininger and Michael J. Davis Modulation of Calcium Current in Arteriolar Smooth Muscle by $ \alpha_v \beta_3 $ and $ \alpha_5 \beta_1 $ Integrin Ligands . . . . . . . . . . . . 241 Clotilde Gimond and Christian Baudoin and Ronald van der Neut and Duco Kramer and Jero Calafat and Arnoud Sonnenberg Cre- loxP --mediated Inactivation of the $ \alpha $6A Integrin Splice Variant In Vivo: Evidence for a Specific Functional Role of $ \alpha $6A in Lymphocyte Migration but Not in Heart Development 253 Sandrine Bourdoulous and Gertraud Orend and Deidre A. MacKenna and Renata Pasqualini and Erkki Ruoslahti Fibronectin Matrix Regulates Activation of RHO and CDC42 GTPases and Cell Cycle Progression . . . . . . . . . . . . . . 267
Thoru Pederson Growth Factors in the Nucleolus? . . . . 279 Rey-Huei Chen and Andrej Shevchenko and Matthias Mann and Andrew W. Murray Spindle Checkpoint Protein Xmad1 Recruits Xmad2 to Unattached Kinetochores . . . . . . . . . . . . . . 283 Tom Misteli and Javier F. Cáceres and Jade Q. Clement and Adrian R. Krainer and Miles F. Wilkinson and David L. Spector Serine Phosphorylation of SR Proteins Is Required for Their Recruitment to Sites of Transcription In Vivo . . . . . . . . 297 Andrea Herold and Ray Truant and Heather Wiegand and Bryan R. Cullen Determination of the Functional Domain Organization of the Importin $ \alpha $ Nuclear Import Factor . . . . . . . . . 309 David S. Nelson and Cecilia Alvarez and Ya-sheng Gao and Rafael García-Mata and Elizabeth Fialkowski and Elizabeth Sztul The Membrane Transport Factor TAP/p115 Cycles between the Golgi and Earlier Secretory Compartments and Contains Distinct Domains Required for Its Localization and Function . . . . . . . 319 Denichiro Otsuga and Brian R. Keegan and Ellen Brisch and John W. Thatcher and Greg J. Hermann and William Bleazard and Janet M. Shaw The Dynamin-related GTPase, Dnm1p, Controls Mitochondrial Morphology in Yeast . . . . . . . . . . . . . . . . . 333 Elena Smirnova and Dixie-Lee Shurland and Sergey N. Ryazantsev and Alexander M. van der Bliek A Human Dynamin-related Protein Controls the Distribution of Mitochondria . . . . 351 Greg J. Hermann and John W. Thatcher and John P. Mills and Karen G. Hales and Margaret T. Fuller and Jodi Nunnari and Janet M. Shaw Mitochondrial Fusion in Yeast Requires the Transmembrane GTPase Fzo1p . . . . . 359 Jennifer Philips and Ira Herskowitz Identification of Kel1p, a Kelch Domain-containing Protein Involved in Cell Fusion and Morphology in \bionameSaccharomyces cerevisiae . . . . 375 Mikio Furuse and Hiroyuki Sasaki and Kazushi Fujimoto and Shoichiro Tsukita A Single Gene Product, Claudin-1 or -2, Reconstitutes Tight Junction Strands and Recruits Occludin in Fibroblasts . . . . 391 Jong-Sun Kang and Philip J. Mulieri and Cary Miller and David A. Sassoon and Robert S. Krauss CDO, A Robo-related Cell Surface Protein that Mediates Myogenic Differentiation 403 Janos Demeter and Shelley Sazer imp2, a New Component of the Actin Ring in the Fission Yeast \bionameSchizosaccharomyces pombe . . . 415 Mark L. Borowsky and Richard O. Hynes Layilin, A Novel Talin-binding Transmembrane Protein Homologous with C-type Lectins, is Localized in Membrane Ruffles . . . . . . . . . . . . . . . . 429 Gabriela Paglini and Patricia Kunda and Santiago Quiroga and Kenneth Kosik and Alfredo Cáceres Suppression of Radixin and Moesin Alters Growth Cone Morphology, Motility, and Process Formation In Primary Cultured Neurons . . . . . . . . . . . . . . . . 443 David S. Park and Erick J. Morris and Jaya Padmanabhan and Michael L. Shelanski and Herbert M. Geller and Lloyd A. Greene Cyclin-dependent Kinases Participate in Death of Neurons Evoked by DNA-damaging Agents . . . . . . . . . . . . . . . . . 457 Kevin M. McGowan and Pierre A. Coulombe Onset of Keratin 17 Expression Coincides with the Definition of Major Epithelial Lineages during Skin Development . . . . 469 Elizabeth Hutton and Rudolph D. Paladini and Qian-Chun Yu and Mei Yen and Pierre A. Coulombe and Elaine Fuchs Functional Differences between Keratins of Stratified and Simple Epithelia . . . 487 Péter Várnai and Tamás Balla Visualization of Phosphoinositides That Bind Pleckstrin Homology Domains: Calcium- and Agonist-induced Dynamic Changes and Relationship to Myo-[$^3$ H]inositol-labeled Phosphoinositide Pools . . . . . . . . . . . . . . . . . 501 Yasuhito Shirai and Kaori Kashiwagi and Keiko Yagi and Norio Sakai and Naoaki Saito Distinct Effects of Fatty Acids on Translocation of $ \gamma $- and $ \epsilon $-Subspecies of Protein Kinase C . . . . . . . . . . . . . . . . . . . 511 Janne Balsamo and Carlos Arregui and TinChung Leung and Jack Lilien The Nonreceptor Protein Tyrosine Phosphatase PTP1B Binds to the Cytoplasmic Domain of N--Cadherin and Regulates the Cadherin--Actin Linkage 523 Catherin Niemann and Volker Brinkmann and Eva Spitzer and Guido Hartmann and Martin Sachs and Helga Naundorf and Walter Birchmeier Reconstitution of Mammary Gland Development In Vitro: Requirement of c-met and c-erbB2 Signaling for Branching and Alveolar Morphogenesis . . 533 Du\vsko Ili\'c and Eduardo A. C. Almeida and David D. Schlaepfer and Paul Dazin and Shinichi Aizawa and Caroline H. Damsky Extracellular Matrix Survival Signals Transduced by Focal Adhesion Kinase Suppress p53-mediated Apoptosis . . . . 547
Emmanuelle Martini and Dani\`ele M. J. Roche and Kathrin Marheineke and Alain Verreault and Genevi\`eve Almouzni Recruitment of Phosphorylated Chromatin Assembly Factor 1 to Chromatin after UV Irradiation of Human Cells . . . . . . . 563 Birthe Fahrenkrog and Eduard C. Hurt and Ueli Aebi and Nelly Panté Molecular Architecture of the Yeast Nuclear Pore Complex: Localization of Nsp1p Subcomplexes . . . . . . . . . . . 577 Anne Spang and Randy Schekman Reconstitution of Retrograde Transport from the Golgi to the ER In Vitro . . . 589 Irina Majoul and Kai Sohn and Felix Theodor Wieland and Rainer Pepperkok and Mariagrazia Pizza and Jörg Hillemann and Hans-Dieter Söling KDEL Receptor (Erd2p)-mediated Retrograde Transport of the Cholera Toxin A Subunit from the Golgi Involves COPI, p23, and the COOH Terminus of Erd2p . . . . . . . . . . . . . . . . . 601 Joanne Sloan-Lancaster and John Presley and Jan Ellenberg and Tetsuo Yamazaki and Jennifer Lippincott-Schwartz and Lawrence E. Samelson ZAP-70 Association with T Cell Receptor $ \zeta $ (TCR$ \zeta $): Fluorescence Imaging of Dynamic Changes upon Cellular Stimulation . . . . . . . . . . . . . . 613 Sandra Fanchiotti and Fabiana Fernández and Cecilia D'Alessio and Armando J. Parodi The UDP--Glc: Glycoprotein Glucosyltransferase Is Essential for \bionameSchizosaccharomyces pombe Viability under Conditions of Extreme Endoplasmic Reticulum Stress . . . . . . 625 Thomas M. Stulnig and Markus Berger and Thomas Sigmund and Daniel Raederstorff and Hannes Stockinger and Werner Waldhäusl Polyunsaturated Fatty Acids Inhibit T Cell Signal Transduction by Modification of Detergent-insoluble Membrane Domains 637 Qinshi Jiang and Daniel Mak and Sreenivas Devidas and Erik M. Schwiebert and Alvina Bragin and Yulong Zhang and William R. Skach and William B. Guggino and J. Kevin Foskett and John F. Engelhardt Cystic Fibrosis Transmembrane Conductance Regulator--associated ATP Release Is Controlled by a Chloride Sensor . . . . . . . . . . . . . . . . . 645 Mar Carmena and Maria Giovanna Riparbelli and Gianluca Minestrini and Álvaro M. Tavares and Richard Adams and Giuliano Callaini and David M. Glover Drosophila Polo Kinase Is Required for Cytokinesis . . . . . . . . . . . . . . 659 Torsten Wittmann and Haralabia Boleti and Claude Antony and Eric Karsenti and Isabelle Vernos Localization of the Kinesin-like Protein Xklp2 to Spindle Poles Requires a Leucine Zipper, a Microtubule-associated Protein, and Dynein . . . . . . . . . . 673 Aaron F. Straight and John W. Sedat and Andrew W. Murray Time-Lapse Microscopy Reveals Unique Roles for Kinesins during Anaphase in Budding Yeast . . . . . . . . . . . . . 687 Martin Tögel and Gerhard Wiche and Friedrich Propst Novel Features of the Light Chain of Microtubule-associated Protein MAP1B: Microtubule Stabilization, Self Interaction, Actin Filament Binding, and Regulation by the Heavy Chain . . . . . 695 Christopher W. Carroll and Roger Altman and David Schieltz and John R. Yates and Douglas Kellogg The Septins Are Required for the Mitosis-specific Activation of the Gin4 Kinase . . . . . . . . . . . . . . . . . 709 Mark S. Longtine and Hanna Fares and John R. Pringle Role of the Yeast Gin4p Protein Kinase in Septin Assembly and the Relationship between Septin Assembly and Septin Function . . . . . . . . . . . . . . . . 719 Jennifer A. Frazier and Mei Lie Wong and Mark S. Longtine and John R. Pringle and Matthias Mann and Timothy J. Mitchison and Christine Field Polymerization of Purified Yeast Septins: Evidence That Organized Filament Arrays May Not Be Required for Septin Function . . . . . . . . . . . . 737 Donald S. Sullivan and Sue Biggins and Mark D. Rose The Yeast Centrin, Cdc31p, and the Interacting Protein Kinase, Kic1p, Are Required for Cell Integrity . . . . . . 751 Luis A. Pardo and Andrea Brüggemann and Javier Camacho and Walter Stühmer Cell Cycle--related Changes in the Conducting Properties of r-eag K$^+$ Channels . . . . . . . . . . . . . . . . 767 A. Ebneth and R. Godemann and K. Stamer and S. Illenberger and B. Trinczek and E.-M. Mandelkow and E. Mandelkow Overexpression of Tau Protein Inhibits Kinesin-dependent Trafficking of Vesicles, Mitochondria, and Endoplasmic Reticulum: Implications for Alzheimer's Disease . . . . . . . . . . . . . . . . 777 Christian Kutzleb and Gabriele Sanders and Raina Yamamoto and Xiaolu Wang and Beate Lichte and Elisabeth Petrasch-Parwez and Manfred W. Kilimann Paralemmin, a Prenyl--Palmitoyl--anchored Phosphoprotein Abundant in Neurons and Implicated in Plasma Membrane Dynamics and Cell Process Formation . . . . . . . 795 Thomas W. White and Daniel A. Goodenough and David L. Paul Targeted Ablation of Connexin50 in Mice Results in Microphthalmia and Zonular Pulverulent Cataracts . . . . . . . . . 815 Francisco Miralles and Tadej Battelino and Paul Czernichow and Raphael Scharfmann TGF-$ \beta $ Plays a Key Role in Morphogenesis of the Pancreatic Islets of Langerhans by Controlling the Activity of the Matrix Metalloproteinase MMP-2 . . . . . . . . . . . . . . . . . 827 Hyacinth Sterling and Charles Saginario and Agn\`es Vignery CD44 Occupancy Prevents Macrophage Multinucleation . . . . . . . . . . . . 837 Daniela Taverna and Marie-Helene Disatnik and Helen Rayburn and Roderick T. Bronson and Joy Yang and Thomas A. Rando and Richard O. Hynes Dystrophic Muscle in Mice Chimeric for Expression of $ \alpha $5 Integrin . . . 849 Carlos O. Arregui and Janne Balsamo and Jack Lilien Impaired Integrin-mediated Adhesion and Signaling in Fibroblasts Expressing a Dominant-negative Mutant PTP1B . . . . . 861
Yonchu Jenkins and Michele McEntee and Karsten Weis and Warner C. Greene Characterization of HIV-1 Vpr Nuclear Import: Analysis of Signals and Pathways 875 Jonathan S. Rosenblum and Lucy F. Pemberton and Neris Bonifaci and Günter Blobel Nuclear Import and the Evolution of a Multifunctional RNA-binding Protein . . 887 Wolfgang M. J. Obermann and Holger Sondermann and Alicia A. Russo and Nikola P. Pavletich and F. Ulrich Hartl In Vivo Function of Hsp90 Is Dependent on ATP Binding and ATP Hydrolysis . . . 901 Catharine E. Johnson and Paul T. Englund Changes in Organization of Crithidia fasciculata Kinetoplast DNA Replication Proteins during the Cell Cycle . . . . . 911 Susana Silberstein and Gabriel Schlenstedt and Pam A. Silver and Reid Gilmore A Role for the DnaJ Homologue Scj1p in Protein Folding in the Yeast Endoplasmic Reticulum . . . . . . . . . . . . . . . 921 Todd B. Reynolds and B. Diane Hopkins and Matthew R. Lyons and Todd R. Graham The High Osmolarity Glycerol Response (HOG) MAP Kinase Pathway Controls Localization of a Yeast Golgi Glycosyltransferase . . . . . . . . . . 935 Gongyi Shi and Victor Faúndez and Jack Roos and Esteban C. Dell'Angelica and Regis B. Kelly Neuroendocrine Synaptic Vesicles Are Formed In Vitro by Both Clathrin-dependent and Clathrin-independent Pathways . . . . . 947 Rytis Prekeris and Judith Klumperman and Yu A. Chen and Richard H. Scheller Syntaxin 13 Mediates Cycling of Plasma Membrane Proteins via Tubulovesicular Recycling Endosomes . . . . . . . . . . 957 Frédéric Mallard and Claude Antony and Dani\`ele Tenza and Jean Salamero and Bruno Goud and Ludger Johannes Direct Pathway from Early/Recycling Endosomes to the Golgi Apparatus Revealed through the Study of Shiga Toxin B-fragment Transport . . . . . . . 973 Andrei Kouranov and Xuejun Chen and Bruno Fuks and Danny J. Schnell Tic20 and Tic22 Are New Components of the Protein Import Apparatus at the Chloroplast Inner Envelope Membrane . . 991 G. Duménil and J. C. Olivo and S. Pellegrini and M. Fellous and P. J. Sansonetti and G. Tran Van Nhieu Interferon $ \alpha $ Inhibits a Src-mediated Pathway Necessary for Shigella -induced Cytoskeletal Rearrangements in Epithelial Cells . . . 1003 Carol C. Gregorio and Karoly Trombitás and Thomas Centner and Bernhard Kolmerer and Gunter Stier and Kathleen Kunke and Koichi Suzuki and Franz Obermayr and Bernhard Herrmann and Henk Granzier and Hiroyuki Sorimachi and Siegfried Labeit The NH$_2$ Terminus of Titin Spans the Z--Disc: Its Interaction with a Novel 19-kD Ligand (T-cap) Is Required for Sarcomeric Integrity . . . . . . . . . . 1013 Christian Hofmann and Iain M. Cheeseman and Bruce L. Goode and Kent L. McDonald and Georjana Barnes and David G. Drubin Saccharomyces cerevisiae Duo1p and Dam1p, Novel Proteins Involved in Mitotic Spindle Function . . . . . . . . 1029 Masafumi Nakamura and Hirohisa Masuda and Johji Horii and Kei-ichi Kuma and Nobuhiko Yokoyama and Tomoyuki Ohba and Hideo Nishitani and Takashi Miyata and Masao Tanaka and Takeharu Nishimoto When Overexpressed, a Novel Centrosomal Protein, RanBPM, Causes Ectopic Microtubule Nucleation Similar to $ \gamma $-Tubulin . . . . . . . . . . . . 1041 Kristen J. Verhey and Donna L. Lizotte and Tatiana Abramson and Linda Barenboim and Bruce J. Schnapp and Tom A. Rapoport Light Chain-dependent Regulation of Kinesin's Interaction with Microtubules 1053 Dean J. Burkin and Maojian Gu and Bradley L. Hodges and James T. Campanelli and Stephen J. Kaufman A Functional Role for Specific Spliced Variants of the $ \alpha $7$ \beta $1 Integrin in Acetylcholine Receptor Clustering . . . . . . . . . . . . . . . 1067 Stanislav Zakharenko and Sergey Popov Dynamics of Axonal Microtubules Regulate the Topology of New Membrane Insertion into the Growing Neurites . . . . . . . 1077 Angeliki Malliri and Marc Symons and Robert F. Hennigan and Adam F. L. Hurlstone and Richard F. Lamb and Tricia Wheeler and Bradford W. Ozanne The Transcription Factor AP-1 Is Required for EGF-induced Activation of Rho-like GTPases, Cytoskeletal Rearrangements, Motility, and In Vitro Invasion of A431 Cells . . . . . . . . . 1087 Francesca M. Spagnoli and Laura Amicone and Marco Tripodi and Mary C. Weiss Identification of a Bipotential Precursor Cell in Hepatic Cell Lines Derived from Transgenic Mice Expressing Cyto--Met in the Liver . . . . . . . . . 1101 Shinji Imai and Marko Kaksonen and Erkki Raulo and Tarja Kinnunen and Carole Fages and Xiaojuan Meng and Merja Lakso and Heikki Rauvala Osteoblast Recruitment and Bone Formation Enhanced by Cell Matrix--associated Heparin-binding Growth-associated Molecule (HB--GAM) . . 1113 Daqing W. Hartwell and Tanya N. Mayadas and Gaëtan Berger and Paul S. Frenette and Helen Rayburn and Richard O. Hynes and Denisa D. Wagner Role of P--Selectin Cytoplasmic Domain in Granular Targeting In Vivo and in Early Inflammatory Responses . . . . . . 1129
Richard K. Bruick and Stephen P. Mayfield Processing of the psbA 5' Untranslated Region in Chlamydomonas reinhardtii Depends upon Factors Mediating Ribosome Association . . . . . . . . . . . . . . 1145 Ingrid Markovic and Helena Pulyaeva and Alexander Sokoloff and Leonid V. Chernomordik Membrane Fusion Mediated by Baculovirus gp64 Involves Assembly of Stable gp64 Trimers into Multiprotein Aggregates . . 1155 Doris David and Sumathy Sundarababu and Jeffrey E. Gerst Involvement of Long Chain Fatty Acid Elongation in the Trafficking of Secretory Vesicles in Yeast . . . . . . 1167 Liwen Jiang and John C. Rogers Integral Membrane Protein Sorting to Vacuoles in Plant Cells: Evidence for Two Pathways . . . . . . . . . . . . . . 1183 Kristen McArdle and Taylor StC. Allen and Elizabeth A. Bucher Ca$^{2+}$-dependent Muscle Dysfunction Caused by Mutation of the \bionameCaenorhabditis elegans Troponin T-1 Gene . . . . . . . . . . . . . . . . 1201 José M. Barral and Christopher C. Bauer and Irving Ortiz and Henry F. Epstein Unc-45 Mutations in \bionameCaenorhabditis elegans Implicate a CRO1/She4p-like Domain in Myosin Assembly . . . . . . . . . . . . . . . . 1215 Toshihisa Ohtsuka and Hiroyuki Nakanishi and Wataru Ikeda and Ayako Satoh and Yumiko Momose and Hideo Nishioka and Yoshimi Takai Nexilin: a Novel Actin Filament-binding Protein Localized at Cell--Matrix Adherens Junction . . . . . . . . . . . 1227 Susan M. Beckwith and Christian H. Roghi and Bo Liu and N. Ronald Morris The ``8-kD'' Cytoplasmic Dynein Light Chain Is Required for Nuclear Migration and for Dynein Heavy Chain Localization in Aspergillus nidulans . . . . . . . . 1239 Yoshihiro Yasui and Mutsuki Amano and Koh-ichi Nagata and Naoyuki Inagaki and Hideo Nakamura and Hideyuki Saya and Kozo Kaibuchi and Masaki Inagaki Roles of Rho-associated Kinase in Cytokinesis; Mutations in Rho-associated Kinase Phosphorylation Sites Impair Cytokinetic Segregation of Glial Filaments . . . . . . . . . . . . . . . 1249 Dan Strumpf and Talila Volk Kakapo, a Novel Cytoskeletal-associated Protein Is Essential for the Restricted Localization of the Neuregulin-like Factor, Vein, at the Muscle--Tendon Junction Site . . . . . . . . . . . . . 1259 Stephen L. Gregory and Nicholas H. Brown kakapo, a Gene Required for Adhesion Between and Within Cell Layers in \bionameDrosophila, Encodes a Large Cytoskeletal Linker Protein Related to Plectin and Dystrophin . . . . . . . . . 1271 Andreas Prokop and Jay Uhler and John Roote and Michael Bate The kakapo Mutation Affects Terminal Arborization and Central Dendritic Sprouting of \bionameDrosophila Motorneurons . . . . . . . . . . . . . . 1283 Daixing Zhou and Stephen Lambert and Peter L. Malen and Scott Carpenter and Linda M. Boland and Vann Bennett Ankyrin$_G$ Is Required for Clustering of Voltage-gated Na Channels at Axon Initial Segments and for Normal Action Potential Firing . . . . . . . . . . . . 1295 Paula Scotland and Daixing Zhou and Helene Benveniste and Vann Bennett Nervous System Defects of Ankyrin$_B$ (-/-) Mice Suggest Functional Overlap between the Cell Adhesion Molecule L1 and 440-kD Ankyrin$_B$ in Premyelinated Axons . . . . . . . . . . . . . . . . . 1305 H. Steven Wiley and Margaret F. Woolf and Lee K. Opresko and Patrick M. Burke and Birgit Will and Jeffrey R. Morgan and Douglas A. Lauffenburger Removal of the Membrane-anchoring Domain of Epidermal Growth Factor Leads to Intracrine Signaling and Disruption of Mammary Epithelial Cell Organization . . 1317 Irmgard Irminger-Finger and Jesus V. Soriano and Genevi\`eve Vaudan and Roberto Montesano and André-Pascal Sappino In Vitro Repression of Brca1-associated RING Domain Gene, Bard1, Induces Phenotypic Changes in Mammary Epithelial Cells . . . . . . . . . . . . . . . . . 1329 Thomas Korff and Hellmut G. Augustin Integration of Endothelial Cells in Multicellular Spheroids Prevents Apoptosis and Induces Differentiation 1341 Atsuo Kawahara and Yoshiyuki Ohsawa and Hirotaka Matsumura and Yasuo Uchiyama and Shigekazu Nagata Caspase-independent Cell Killing by Fas-associated Protein with Death Domain 1353 Jacques Huot and François Houle and Simon Rousseau and Réna G. Deschesnes and Girish M. Shah and Jacques Landry SAPK2\slash p38-dependent F--Actin Reorganization Regulates Early Membrane Blebbing during Stress-induced Apoptosis 1361 Jianguo Gu and Masahito Tamura and Kenneth M. Yamada Tumor Suppressor PTEN Inhibits Integrin- and Growth Factor--mediated Mitogen-activated Protein (MAP) Kinase Signaling Pathways . . . . . . . . . . . 1375 Eva E. Sander and Sanne van Delft and Jean P. ten Klooster and Tim Reid and Rob A. van der Kammen and Frits Michiels and John G. Collard Matrix-dependent Tiam1/Rac Signaling in Epithelial Cells Promotes Either Cell--Cell Adhesion or Cell Migration and Is Regulated by Phosphatidylinositol 3-Kinase . . . . . . . . . . . . . . . . 1385 Attila Aszódi and Danny Chan and Ernst Hunziker and John F. Bateman and Reinhard Fässler Collagen II Is Essential for the Removal of the Notochord and the Formation of Intervertebral Discs . . . . . . . . . . 1399
Hong Ma and Jagath Samarabandu and Rekandu S. Devdhar and Raj Acharya and Ping-chin Cheng and Chunling Meng and Ronald Berezney Spatial and Temporal Dynamics of DNA Replication Sites in Mammalian Cells . . 1415 Robert Hock and Ulrich Scheer and Michael Bustin Chromosomal Proteins HMG-14 and HMG-17 Are Released from Mitotic Chromosomes and Imported into the Nucleus by Active Transport . . . . . . . . . . . . . . . 1427 Fabien Cubizolles and Vincent Legagneux and René Le Guellec and Isabelle Chartrain and Rustem Uzbekov and Chris Ford and Katherine Le Guellec pEg7, a New \bionameXenopus Protein Required for Mitotic Chromosome Condensation in Egg Extracts . . . . . . 1437 Markus Albertini and Lucy F. Pemberton and Jonathan S. Rosenblum and Günter Blobel A Novel Nuclear Import Pathway for the Transcription Factor TFIIS . . . . . . . 1447 Matthew K. Perez and Henry L. Paulson and Sagun J. Pendse and Sarah J. Saionz and Nancy M. Bonini and Randall N. Pittman Recruitment and the Role of Nuclear Localization in Polyglutamine-mediated Aggregation . . . . . . . . . . . . . . 1457 Laxman Gangwani and Monique Mikrut and Zoya Galcheva-Gargova and Roger J. Davis Interaction of ZPR1 with Translation Elongation Factor-1$ \alpha $ in Proliferating Cells . . . . . . . . . . 1471 Koret Hirschberg and Chad M. Miller and Jan Ellenberg and John F. Presley and Eric D. Siggia and Robert D. Phair and Jennifer Lippincott-Schwartz Kinetic Analysis of Secretory Protein Traffic and Characterization of Golgi to Plasma Membrane Transport Intermediates in Living Cells . . . . . . . . . . . . 1485 Brian Storrie and Jamie White and Sabine Röttger and Ernst H. K. Stelzer and Tatsuo Suganuma and Tommy Nilsson Recycling of Golgi-resident Glycosyltransferases through the ER Reveals a Novel Pathway and Provides an Explanation for Nocodazole-induced Golgi Scattering . . . . . . . . . . . . . . . 1505 Rui Li and Philippe Rieu and Diana L. Griffith and David Scott and M. Amin Arnaout Two Functional States of the CD11b A--Domain: Correlations with Key Features of Two Mn$^{2+}$-complexed Crystal Structures . . . . . . . . . . . 1523 Folma Buss and John Kendrick-Jones and Corinne Lionne and Alex E. Knight and Graham P. Côté and J. Paul Luzio The Localization of Myosin VI at the Golgi Complex and Leading Edge of Fibroblasts and Its Phosphorylation and Recruitment into Membrane Ruffles of A431 Cells after Growth Factor Stimulation . . . . . . . . . . . . . . 1535 M. Carolina Tuma and Andrew Zill and Nathalie Le Bot and Isabelle Vernos and Vladimir Gelfand Heterotrimeric Kinesin II Is the Microtubule Motor Protein Responsible for Pigment Dispersion in \bionameXenopus Melanophores . . . . . . 1547 Nathalie Le Bot and Claude Antony and Jamie White and Eric Karsenti and Isabelle Vernos Role of Xklp3, a Subunit of the Xenopus Kinesin II Heterotrimeric Complex, in Membrane Transport between the Endoplasmic Reticulum and the Golgi Apparatus . . . . . . . . . . . . . . . 1559 Y. Bobinnec and A. Khodjakov and L. M. Mir and C. L. Rieder and B. Eddé and M. Bornens Centriole Disassembly In Vivo and Its Effect on Centrosome Structure and Function in Vertebrate Cells . . . . . . 1575 Gianni Piperno and Edward Siuda and Scott Henderson and Margarethe Segil and Heikki Vaananen and Massimo Sassaroli Distinct Mutants of Retrograde Intraflagellar Transport (IFT) Share Similar Morphological and Molecular Defects . . . . . . . . . . . . . . . . 1591 Jürg Bähler and Alexander B. Steever and Sally Wheatley and Yu-li Wang and John R. Pringle and Kathleen L. Gould and Dannel McCollum Role of Polo Kinase and Mid1p in Determining the Site of Cell Division in Fission Yeast . . . . . . . . . . . . . 1603 Javier Jiménez and Víctor J. Cid and Rosa Cenamor and María Yuste and Gloria Molero and César Nombela and Miguel Sánchez Morphogenesis beyond Cytokinetic Arrest in \bionameSaccharomyces cerevisiae . . 1617 Jill M. Schumacher and Andy Golden and Peter J. Donovan AIR-2: an Aurora/Ipl1-related Protein Kinase Associated with Chromosomes and Midbody Microtubules Is Required for Polar Body Extrusion and Cytokinesis in \bionameCaenorhabditis elegans Embryos 1635 Uma Siddhanta and James McIlroy and Amishi Shah and Yitao Zhang and Jonathan M. Backer Distinct Roles for the p110$ \alpha $ and hVPS34 Phosphatidylinositol 3'-Kinases in Vesicular Trafficking, Regulation of the Actin Cytoskeleton, and Mitogenesis . . . . . . . . . . . . 1647 Christy Job and Leon Lagnado Calcium and Protein Kinase C Regulate the Actin Cytoskeleton in the Synaptic Terminal of Retinal Bipolar Cells . . . 1661 Stefan Kunz and Marianne Spirig and Claudia Ginsburg and Andrea Buchstaller and Philipp Berger and Rainer Lanz and Christoph Rader and Lorenz Vogt and Beat Kunz and Peter Sonderegger Neurite Fasciculation Mediated by Complexes of Axonin-1 and Ng Cell Adhesion Molecule . . . . . . . . . . . 1673 Raquel S. Aloyz and Shernaz X. Bamji and Christine D. Pozniak and Jean G. Toma and Jasvinder Atwal and David R. Kaplan and Freda D. Miller P53 Is Essential for Developmental Neuron Death as Regulated by the TrkA and p75 Neurotrophin Receptors . . . . . 1691 Eija I. Korpelainen and Marika J. Karkkainen and Auri Tenhunen and Merja Lakso and Heikki Rauvala and Matti Vierula and Martti Parvinen and Kari Alitalo Overexpression of VEGF in Testis and Epididymis Causes Infertility in Transgenic Mice: Evidence for Nonendothelial Targets for VEGF . . . . 1705 Jeffrey H. Miner and Jeanette Cunningham and Joshua R. Sanes Roles for Laminin in Embryogenesis: Exencephaly, Syndactyly, and Placentopathy in Mice Lacking the Laminin $ \alpha $5 Chain . . . . . . . 1713 G. Y. Huang and E. S. Cooper and K. Waldo and M. L. Kirby and N. B. Gilula and C. W. Lo Gap Junction--mediated Cell--Cell Communication Modulates Mouse Neural Crest Migration . . . . . . . . . . . . 1725 Paul D. Lampe and Beth P. Nguyen and Susana Gil and Marcia Usui and John Olerud and Yoshikazu Takada and William G. Carter Cellular Interaction of Integrin $ \alpha $3$ \beta $1 with Laminin 5 Promotes Gap Junctional Communication 1735 Kathleen L. O'Connor and Leslie M. Shaw and Arthur M. Mercurio Release of cAMP Gating by the $ \alpha $6$ \beta $4 Integrin Stimulates Lamellae Formation and the Chemotactic Migration of Invasive Carcinoma Cells 1749
Alexandra M. Ainsztein and Stefanie E. Kandels-Lewis and Alastair M. Mackay and William C. Earnshaw INCENP Centromere and Spindle Targeting: Identification of Essential Conserved Motifs and Involvement of Heterochromatin Protein HP1 . . . . . . 1763 Pascal Bernard and Kevin Hardwick and Jean-Paul Javerzat Fission Yeast Bub1 Is a Mitotic Centromere Protein Essential for the Spindle Checkpoint and the Preservation of Correct Ploidy through Mitosis . . . 1775 Heidi J. Chial and Michael P. Rout and Thomas H. Giddings and Mark Winey Saccharomyces cerevisiae Ndc1p Is a Shared Component of Nuclear Pore Complexes and Spindle Pole Bodies . . . 1789 Peter Bangs and Brian Burke and Christine Powers and Roger Craig and Aruna Purohit and Stephen Doxsey Functional Analysis of Tpr: Identification of Nuclear Pore Complex Association and Nuclear Localization Domains and a Role in mRNA Export . . . 1801 Marcello Marelli and John D. Aitchison and Richard W. Wozniak Specific Binding of the Karyopherin Kap121p to a Subunit of the Nuclear Pore Complex Containing Nup53p, Nup59p, and Nup170p . . . . . . . . . . . . . . . . 1813 Sylvie Urbé and Lesley J. Page and Sharon A. Tooze Homotypic Fusion of Immature Secretory Granules during Maturation in a Cell-free Assay . . . . . . . . . . . . 1831 Jens R. Coorssen and Paul S. Blank and Masahiro Tahara and Joshua Zimmerberg Biochemical and Functional Studies of Cortical Vesicle Fusion: The SNARE Complex and Ca$^{2+}$ Sensitivity . . . 1845 P. Edward Purdue and Xudong Yang and Paul B. Lazarow Pex18p and Pex21p, a Novel Pair of Related Peroxins Essential for Peroxisomal Targeting by the PTS2 Pathway . . . . . . . . . . . . . . . . 1859 Yoram Altschuler and Shana M. Barbas and Laura J. Terlecky and Kitty Tang and Stephen Hardy and Keith E. Mostov and Sandra L. Schmid Redundant and Distinct Functions for Dynamin-1 and Dynamin-2 Isoforms . . . . 1871 Jennifer A. Johnston and Cristina L. Ward and Ron R. Kopito Aggresomes: a Cellular Response to Misfolded Proteins . . . . . . . . . . . 1883 Xufeng Wu and Blair Bowers and Kang Rao and Qin Wei and John A. Hammer Visualization of Melanosome Dynamics within Wild--Type and Dilute Melanocytes Suggests a Paradigm for Myosin V Function In Vivo . . . . . . . . . . . . 1899 Dorothy A. Schafer and Matthew D. Welch and Laura M. Machesky and Paul C. Bridgman and Shelley M. Meyer and John A. Cooper Visualization and Molecular Analysis of Actin Assembly in Living Cells . . . . . 1919 David W. Pruyne and Daniel H. Schott and Anthony Bretscher Tropomyosin-containing Actin Cables Direct the Myo2p-dependent Polarized Delivery of Secretory Vesicles in Budding Yeast . . . . . . . . . . . . . 1931 John Lippincott and Rong Li Dual Function of Cyk2, a cdc15/PSTPIP Family Protein, in Regulating Actomyosin Ring Dynamics and Septin Distribution 1947 Naoto Kobayashi and Jochen Reiser and Wilhelm Kriz and Ryoko Kuriyama and Peter Mundel Nonuniform Microtubular Polarity Established by CHO1/MKLP1 Motor Protein Is Necessary for Process Formation of Podocytes . . . . . . . . . . . . . . . 1961 Venkatesh Kurvari and Nick V. Grishin and William J. Snell A Gamete-specific, Sex-limited Homeodomain Protein in Chlamydomonas . . 1971 J. C. Norman and D. Jones and S. T. Barry and M. R. Holt and S. Cockcroft and D. R. Critchley ARF1 Mediates Paxillin Recruitment to Focal Adhesions and Potentiates Rho-stimulated Stress Fiber Formation in Intact and Permeabilized Swiss 3T3 Fibroblasts . . . . . . . . . . . . . . 1981 Ji-He Zhao and Heinz Reiske and Jun-Lin Guan Regulation of the Cell Cycle by Focal Adhesion Kinase . . . . . . . . . . . . 1997 G. Ian Gallicano and Panos Kouklis and Christoph Bauer and Mei Yin and Valeri Vasioukhin and Linda Degenstein and Elaine Fuchs Desmoplakin Is Required Early in Development for Assembly of Desmosomes and Cytoskeletal Linkage . . . . . . . . 2009 Nam-On Ku and Sara A. Michie and Roy M. Soetikno and Evelyn Z. Resurreccion and Rosemary L. Broome and M. Bishr Omary Mutation of a Major Keratin Phosphorylation Site Predisposes to Hepatotoxic Injury in Transgenic Mice 2023 Yiu-mo Chan and Carsten G. Bönnemann and Hart G. W. Lidov and Louis M. Kunkel Molecular Organization of Sarcoglycan Complex in Mouse Myotubes in Culture . . 2033 E. Kolossov and B. K. Fleischmann and Q. Liu and W. Bloch and S. Viatchenko-Karpinski and O. Manzke and G. J. Ji and H. Bohlen and K. Addicks and J. Hescheler Functional Characteristics of ES Cell--derived Cardiac Precursor Cells Identified by Tissue-specific Expression of the Green Fluorescent Protein . . . . 2045 Els Decoster and Sigrid Cornelis and Bart Vanhaesebroeck and Walter Fiers Autocrine Tumor Necrosis Factor (TNF) and Lymphotoxin (LT) $ \alpha $ Differentially Modulate Cellular Sensitivity to TNF/LT-$ \alpha $ Cytotoxicity in L929 Cells . . . . . . . 2057 Hanna Debiec and Erik Ilsò Christensen and Pierre Marie Ronco The Cell Adhesion Molecule L1 Is Developmentally Regulated in the Renal Epithelium and Is Involved in Kidney Branching Morphogenesis . . . . . . . . 2067 Tatiana V. Byzova and Edward F. Plow Activation of $ \alpha_V $ $ \beta_3 $ on Vascular Cells Controls Recognition of Prothrombin . . . . . . . . . . . . . 2081
Miwa Shiratori and Sakae Sakamoto and Noriyuki Suzuki and Yoshiki Tokutake and Yoichi Kawabe and Takemi Enomoto and Masanobu Sugimoto and Makoto Goto and Takehisa Matsumoto and Yasuhiro Furuichi Detection by Epitope-defined Monoclonal Antibodies of Werner DNA Helicases in the Nucleoplasm and Their Upregulation by Cell Transformation and Immortalization . . . . . . . . . . . . 1 Thomas Haaf and Elke Raderschall and Gurucharan Reddy and David C. Ward and Charles M. Radding and Efim I. Golub Sequestration of Mammalian Rad51-Recombination Protein into Micronuclei . . . . . . . . . . . . . . 11 Rachel Hellman and Marc Vanhove and Annabelle Lejeune and Fred J. Stevens and Linda M. Hendershot The In Vivo Association of BiP with Newly Synthesized Proteins Is Dependent on the Rate and Stability of Folding and Not Simply on the Presence of Sequences That Can Bind to BiP . . . . . . . . . . 21 Ross G. Vickery and Mark von Zastrow Distinct Dynamin-dependent and -independent Mechanisms Target Structurally Homologous Dopamine Receptors to Different Endocytic Membranes . . . . . . . . . . . . . . . 31 Oliver Hobert and Donald G. Moerman and Kathleen A. Clark and Mary C. Beckerle and Gary Ruvkun A Conserved LIM Protein That Affects Muscular Adherens Junction Integrity and Mechanosensory Function in \bionameCaenorhabditis elegans . . . . . 45 Noriyuki Kioka and Shohei Sakata and Takeshi Kawauchi and Teruo Amachi and Steven K. Akiyama and Kenji Okazaki and Christopher Yaen and Kenneth M. Yamada and Shin-ichi Aota Vinexin: a Novel Vinculin-binding Protein with Multiple SH3 Domains Enhances Actin Cytoskeletal Organization 59 Guisheng Zeng and Mingjie Cai Regulation of the Actin Cytoskeleton Organization in Yeast by a Novel Serine/Threonine Kinase Prk1p . . . . . 71 Bruce L. Goode and Jonathan J. Wong and Anne-Christine Butty and Matthias Peter and Ashley L. McCormack and John R. Yates and David G. Drubin and Georjana Barnes Coronin Promotes the Rapid Assembly and Cross-linking of Actin Filaments and May Link the Actin and Microtubule Cytoskeletons in Yeast . . . . . . . . . 83 Georgios S. Diamantopoulos and Franck Perez and Holly V. Goodson and Gérard Batelier and Ronald Melki and Thomas E. Kreis and Janet E. Rickard Dynamic Localization of CLIP-170 to Microtubule Plus Ends Is Coupled to Microtubule Assembly . . . . . . . . . . 99 Becket Feierbach and Eva Nogales and Kenneth H. Downing and Tim Stearns Alf1p, a CLIP-170 Domain-containing Protein, Is Functionally and Physically Associated with $ \alpha $-Tubulin . . . 113 David J. Sharp and Kent L. McDonald and Heather M. Brown and Heinrich J. Matthies and Claire Walczak and Ron D. Vale and Timothy J. Mitchison and Jonathan M. Scholey The Bipolar Kinesin, KLP61F, Cross-links Microtubules within Interpolar Microtubule Bundles of \bionameDrosophila Embryonic Mitotic Spindles . . . . . . . . . . . . . . . . 125 Daniel B. Constam and Elizabeth J. Robertson Regulation of Bone Morphogenetic Protein Activity by Pro Domains and Proprotein Convertases . . . . . . . . . . . . . . 139 Neil Smyth and H. Seda Vatansever and Patricia Murray and Michael Meyer and Christian Frie and Mats Paulsson and David Edgar Absence of Basement Membranes after Targeting the LAMC1 Gene Results in Embryonic Lethality Due to Failure of Endoderm Differentiation . . . . . . . . 151 Noriyuki Tsumaki and Kazuhiro Tanaka and Eri Arikawa-Hirasawa and Takanobu Nakase and Tomoatsu Kimura and J. Terrig Thomas and Takahiro Ochi and Frank P. Luyten and Yoshihiko Yamada Role of CDMP-1 in Skeletal Morphogenesis: Promotion of Mesenchymal Cell Recruitment and Chondrocyte Differentiation . . . . . . . . . . . . 161 Ravinder Pabla and Andrew S. Weyrich and Dan A. Dixon and Paul F. Bray and Thomas M. McIntyre and Stephen M. Prescott and Guy A. Zimmerman Integrin-dependent Control of Translation: Engagement of Integrin $ \alpha_{IIb} $ $ \beta_3 $ Regulates Synthesis of Proteins in Activated Human Platelets . . . . . . . . . . . . . . . 175 Shuqi Chen and Timothy A. Springer An Automatic Braking System That Stabilizes Leukocyte Rolling by an Increase in Selectin Bond Number with Shear . . . . . . . . . . . . . . . . . 185
Stefan Kircher and Frank Wellmer and Peter Nick and Alexander Rügner and Eberhard Schäfer and Klaus Harter Nuclear Import of the Parsley bZIP Transcription Factor CPRF2 Is Regulated by Phytochrome Photoreceptors . . . . . 201 Jonathan D. Moore and Jing Yang and Ray Truant and Sally Kornbluth Nuclear Import of Cdk/Cyclin Complexes: Identification of Distinct Mechanisms for Import of Cdk2/Cyclin E and Cdc2/Cyclin B1 . . . . . . . . . . . . . 213 Sheona Drummond and Paul Ferrigno and Carol Lyon and Jackie Murphy and Martin Goldberg and Terry Allen and Carl Smythe and Christopher J. Hutchison Temporal Differences in the Appearance of NEP--B78 and an LBR-like Protein during \bionameXenopus Nuclear Envelope Reassembly Reflect the Ordered Recruitment of Functionally Discrete Vesicle Types . . . . . . . . . . . . . 225 Maria Teresa Alonso and Maria José Barrero and Pedro Michelena and Estela Carnicero and Inmaculada Cuchillo and Antonio G. García and Javier García-Sancho and Mayte Montero and Javier Alvarez Ca$^{2+}$-induced Ca$^{2+}$ Release in Chromaffin Cells Seen from inside the ER with Targeted Aequorin . . . . . . . . . 241 Sarah T. South and Stephen J. Gould Peroxisome Synthesis in the Absence of Preexisting Peroxisomes . . . . . . . . 255 Jacomine Krijnse Locker and Gareth Griffiths An Unconventional Role for Cytoplasmic Disulfide Bonds in Vaccinia Virus Proteins . . . . . . . . . . . . . . . . 267 Elizabeth A. Slee and Mary T. Harte and Ruth M. Kluck and Beni B. Wolf and Carlos A. Casiano and Donald D. Newmeyer and Hong-Gang Wang and John C. Reed and Donald W. Nicholson and Emad S. Alnemri and Douglas R. Green and Seamus J. Martin Ordering the Cytochrome c-initiated Caspase Cascade: Hierarchical Activation of Caspases-2, -3, -6, -7, -8, and -10 in a Caspase-9-dependent Manner . . . . 281 David R. Mitchell and Winfield S. Sale Characterization of a Chlamydomonas Insertional Mutant that Disrupts Flagellar Central Pair Microtubule-associated Structures . . . 293 Christopher B. O'Connell and Sally P. Wheatley and Sohail Ahmed and Yu-li Wang The Small GTP-binding Protein Rho Regulates Cortical Activities in Cultured Cells during Division . . . . . 305 Yoshihiko Yamakita and Go Totsukawa and Shigeko Yamashiro and David Fry and Xiaoe Zhang and Steven K. Hanks and Fumio Matsumura Dissociation of FAK/p130$^{\rm CAS}$ /c--Src Complex during Mitosis: Role of Mitosis-specific Serine Phosphorylation of FAK . . . . . . . . . . . . . . . . . 315 Farzad Esni and Inge-Bert Täljedal and Anne-Karina Perl and Harold Cremer and Gerhard Christofori and Henrik Semb Neural Cell Adhesion Molecule (N-CAM) Is Required for Cell Type Segregation and Normal Ultrastructure in Pancreatic Islets . . . . . . . . . . . . . . . . . 325 Christian A. Leppert and Heike Diekmann and Claudia Paul and Ute Laessing and Monika Marx and Martin Bastmeyer and Claudia A. O. Stuermer Neurolin Ig Domain 2 Participates in Retinal Axon Guidance and Ig Domains 1 and 3 in Fasciculation . . . . . . . . . 339 Yun Zhong and William M. Brieher and Barry M. Gumbiner Analysis of C-cadherin Regulation during Tissue Morphogenesis with an Activating Antibody . . . . . . . . . . . . . . . . 351 Michael Buchert and Stefan Schneider and Virginia Meskenaite and Mark T. Adams and Eli Canaani and Thomas Baechi and Karin Moelling and Christopher M. Hovens The Junction-associated Protein AF-6 Interacts and Clusters with Specific Eph Receptor Tyrosine Kinases at Specialized Sites of Cell--Cell Contact in the Brain 361 Ann T. J. Beliën and Paolo A. Paganetti and Martin E. Schwab Membrane-type 1 Matrix Metalloprotease (MT1-MMP) Enables Invasive Migration of Glioma Cells in Central Nervous System White Matter . . . . . . . . . . . . . . 373
Joel L. Rosenbaum and Douglas G. Cole and Dennis R. Diener Intraflagellar Transport: The Eyes Have It . . . . . . . . . . . . . . . . . . . 385 Ed Hurt and Stefan Hannus and Birgit Schmelzl and Denise Lau and David Tollervey and George Simos A Novel In Vivo Assay Reveals Inhibition of Ribosomal Nuclear Export in Ran--Cycle and Nucleoporin Mutants . . . 389 Shun'ichi Kuroda and Noritaka Nakagawa and Chiharu Tokunaga and Kenji Tatematsu and Katsuyuki Tanizawa Mammalian Homologue of the \bionameCaenorhabditis elegans UNC-76 Protein Involved in Axonal Outgrowth Is a Protein Kinase C $ \zeta $--interacting Protein . . . . . . . . . 403 Florian Überall and Karina Hellbert and Sonja Kampfer and Karl Maly and Andreas Villunger and Martin Spitaler and James Mwanjewe and Gabriele Baier-Bitterlich and Gottfried Baier and Hans H. Grunicke Evidence That Atypical Protein Kinase C-$ \lambda $ and Atypical Protein Kinase C-$ \zeta $ Participate in Ras-mediated Reorganization of the F-actin Cytoskeleton . . . . . . . . . . 413 Tomomi Gotoh and Masataka Mori Arginase II Downregulates Nitric Oxide (NO) Production and Prevents NO-mediated Apoptosis in Murine Macrophage-derived RAW 264.7 Cells . . . . . . . . . . . . 427 Conrad L. Leung and Dongming Sun and Ronald K. H. Liem The Intermediate Filament Protein Peripherin Is the Specific Interaction Partner of Mouse BPAG1-n (Dystonin) in Neurons . . . . . . . . . . . . . . . . 435 Thomas J. Koehnle and Anthony Brown Slow Axonal Transport of Neurofilament Protein in Cultured Neurons . . . . . . 447 Giuseppe D. Ciccotosto and Martin R. Schiller and Betty A. Eipper and Richard E. Mains Induction of Integral Membrane PAM Expression in AtT-20 Cells Alters the Storage and Trafficking of POMC and PC1 459 Gregory J. Pazour and Bethany L. Dickert and George B. Witman The DHC1b (DHC2) Isoform of Cytoplasmic Dynein Is Required for Flagellar Assembly . . . . . . . . . . . . . . . . 473 J. A. Feijó and J. Sainhas and G. R. Hackett and J. G. Kunkel and P. K. Hepler Growing Pollen Tubes Possess a Constitutive Alkaline Band in the Clear Zone and a Growth-dependent Acidic Tip 483 Drazen Raucher and Michael P. Sheetz Membrane Expansion Increases Endocytosis Rate during Mitosis . . . . . . . . . . 497 Stanislav Zakharenko and Sunghoe Chang and Michael O'Donoghue and Sergey V. Popov Neurotransmitter Secretion along Growing Nerve Processes: Comparison with Synaptic Vesicle Exocytosis . . . . . . 507 Qun Lu and Mercedes Paredes and Miguel Medina and Jianhua Zhou and Robert Cavallo and Mark Peifer and Lisa Orecchio and Kenneth S. Kosik $ \delta $-catenin, an Adhesive Junction--associated Protein Which Promotes Cell Scattering . . . . . . . . 519 Paulina Niewiadomska and Dorothea Godt and Ulrich Tepass D E--Cadherin Is Required for Intercellular Motility during \bionameDrosophila Oogenesis . . . . . . 533 M. S. Chen and E. A. C. Almeida and A.-P. J. Huovila and Y. Takahashi and L. M. Shaw and A. M. Mercurio and J. M. White Evidence that Distinct States of the Integrin $ \alpha $6$ \beta $1 Interact with Laminin and an ADAM . . . . . . . . 549 Myl\`ene Vivinus-Nebot and Michel Ticchioni and Florence Mary and Paul Hofman and Vito Quaranta and Patricia Rousselle and Alain Bernard Laminin 5 in the Human Thymus: Control of T Cell Proliferation via $ \alpha_6 \beta_4 $ Integrins . . . . . . . . . . 563 Iryna M. Ethell and Yu Yamaguchi Cell Surface Heparan Sulfate Proteoglycan Syndecan-2 Induces the Maturation of Dendritic Spines in Rat Hippocampal Neurons . . . . . . . . . . 575
M. Prakash Hande and Enrique Samper and Peter Lansdorp and María A. Blasco Telomere Length Dynamics and Chromosomal Instability in Cells Derived from Telomerase Null Mice . . . . . . . . . . 589 Christian R. Eckmann and Michael F. Jantsch The RNA-editing Enzyme ADAR1 Is Localized to the Nascent Ribonucleoprotein Matrix on \bionameXenopus Lampbrush Chromosomes but Specifically Associates with an Atypical Loop . . . . . . . . . . . . . 603 Kelly P. Smith and Phillip T. Moen and Karen L. Wydner and John R. Coleman and Jeanne B. Lawrence Processing of Endogenous Pre-mRNAs in Association with SC-35 Domains Is Gene Specific . . . . . . . . . . . . . . . . 617 Luc A. Sabourin and Adele Girgis-Gabardo and Patrick Seale and Atsushi Asakura and Michael A. Rudnicki Reduced Differentiation Potential of Primary MyoD -/- Myogenic Cells Derived from Adult Skeletal Muscle . . . . . . . 631 Miki Hieda and Taro Tachibana and Fumihiko Yokoya and Shingo Kose and Naoko Imamoto and Yoshihiro Yoneda A Monoclonal Antibody to the COOH-terminal Acidic Portion of Ran Inhibits Both the Recycling of Ran and Nuclear Protein Import in Living Cells 645 Maarit Suomalainen and Michel Y. Nakano and Stephan Keller and Karin Boucke and Robert P. Stidwill and Urs F. Greber Microtubule-dependent Plus- and Minus End--directed Motilities Are Competing Processes for Nuclear Targeting of Adenovirus . . . . . . . . . . . . . . . 657 Masayoshi Fukasawa and Masahiro Nishijima and Kentaro Hanada Genetic Evidence for ATP-dependent Endoplasmic Reticulum-to-Golgi Apparatus Trafficking of Ceramide for Sphingomyelin Synthesis in Chinese Hamster Ovary Cells . . . . . . . . . . 673 Yih-Tai Chen and Daniel B. Stewart and W. James Nelson Coupling Assembly of the E-Cadherin/$ \beta $--Catenin Complex to Efficient Endoplasmic Reticulum Exit and Basal-lateral Membrane Targeting of E-Cadherin in Polarized MDCK Cells . . . 687 Johnson Varkey and Po Chen and Ronald Jemmerson and John M. Abrams Altered Cytochrome c Display Precedes Apoptotic Cell Death in \bionameDrosophila . . . . . . . . . . . 701 Kelly A. Shepard and Michael P. Yaffe The Yeast Dynamin-like Protein, Mgm1p, Functions on the Mitochondrial Outer Membrane to Mediate Mitochondrial Inheritance . . . . . . . . . . . . . . 711 Karen Oegema and Christiane Wiese and Ona C. Martin and Ronald A. Milligan and Akihiro Iwamatsu and Timothy J. Mitchison and Yixian Zheng Characterization of Two Related \bionameDrosophila $ \gamma $-tubulin Complexes that Differ in Their Ability to Nucleate Microtubules . . . . . . . . 721 Go Totsukawa and Yoshihiko Yamakita and Shigeko Yamashiro and Hiroshi Hosoya and David J. Hartshorne and Fumio Matsumura Activation of Myosin Phosphatase Targeting Subunit by Mitosis-specific Phosphorylation . . . . . . . . . . . . 735 Birgit Klages and Ursula Brandt and Melvin I. Simon and Günter Schultz and Stefan Offermanns Activation of G$_{12}$ /G$_{13}$ Results in Shape Change and Rho/Rho-Kinase-mediated Myosin Light Chain Phosphorylation in Mouse Platelets 745 José M. Rodríguez-Frade and Antonio J. Vila-Coro and Ana Martín and Marta Nieto and Francisco Sánchez-Madrid and Amanda E. I. Proudfoot and Timothy N. C. Wells and Carlos Martínez-A and Mario Mellado Similarities and Differences in RANTES- and (AOP)-RANTES--triggered Signals: Implications for Chemotaxis . . . . . . 755 P. Hermann and M. Armant and E. Brown and M. Rubio and H. Ishihara and D. Ulrich and R. G. Caspary and F. P. Lindberg and R. Armitage and C. Maliszewski and G. Delespesse and M. Sarfati The Vitronectin Receptor and its Associated CD47 Molecule Mediates Proinflammatory Cytokine Synthesis in Human Monocytes by Interaction with Soluble CD23 . . . . . . . . . . . . . . 767 Dwayne G. Stupack and Erguang Li and Steve A. Silletti and Jacqueline A. Kehler and Robert L. Geahlen and Klaus Hahn and Glen R. Nemerow and David A. Cheresh Matrix Valency Regulates Integrin-mediated Lymphoid Adhesion via Syk Kinase . . . . . . . . . . . . . . . 777 Suneale Banerji and Jian Ni and Shu-Xia Wang and Steven Clasper and Jeffrey Su and Raija Tammi and Margaret Jones and David G. Jackson LYVE-1, a New Homologue of the CD44 Glycoprotein, Is a Lymph-specific Receptor for Hyaluronan . . . . . . . . 789
Richard A. Heil-Chapdelaine and Neil R. Adames and John A. Cooper Formin' the Connection between Microtubules and the Cell Cortex . . . . 809 Erik M. M. Manders and Hiroshi Kimura and Peter R. Cook Direct Imaging of DNA in Living Cells Reveals the Dynamics of Chromosome Formation . . . . . . . . . . . . . . . 813 Francesca Sanvito and Simonetta Piatti and Antonello Villa and Mario Bossi and Giovanna Lucchini and Pier Carlo Marchisio and Stefano Biffo The $ \beta $4 Integrin Interactor p27$^{\rm BBP}$ /eIF6 Is an Essential Nuclear Matrix Protein Involved in 60S Ribosomal Subunit Assembly . . . . . . . 823 Caterina Strambio-de-Castillia and Günter Blobel and Michael P. Rout Proteins Connecting the Nuclear Pore Complex with the Nuclear Interior . . . 839 Nasrin Mesaeli and Kimitoshi Nakamura and Elena Zvaritch and Peter Dickie and Ewa Dziak and Karl-Heinz Krause and Michal Opas and David H. MacLennan and Marek Michalak Calreticulin Is Essential for Cardiac Development . . . . . . . . . . . . . . 857 Daniel S. Chao and Jesse C. Hay and Shawn Winnick and Rytis Prekeris and Judith Klumperman and Richard H. Scheller SNARE Membrane Trafficking Dynamics In Vivo . . . . . . . . . . . . . . . . . . 869 Isabelle Martinou and Solange Desagher and Robert Eskes and Bruno Antonsson and Elisabeth André and Stanislav Fakan and Jean-Claude Martinou The Release of Cytochrome c from Mitochondria during Apoptosis of NGF-deprived Sympathetic Neurons Is a Reversible Event . . . . . . . . . . . . 883 Solange Desagher and Astrid Osen-Sand and Anthony Nichols and Robert Eskes and Sylvie Montessuit and Sandra Lauper and Kinsey Maundrell and Bruno Antonsson and Jean-Claude Martinou Bid-induced Conformational Change of Bax Is Responsible for Mitochondrial Cytochrome c Release during Apoptosis 891 Gareth J. Griffiths and Laurence Dubrez and Clive P. Morgan and Neil A. Jones and Jenna Whitehouse and Bernard M. Corfe and Caroline Dive and John A. Hickman Cell Damage-induced Conformational Changes of the Pro--Apoptotic Protein Bak In Vivo Precede the Onset of Apoptosis . . . . . . . . . . . . . . . 903 Joseph F. Krebs and Robert C. Armstrong and Anu Srinivasan and Teresa Aja and Angela M. Wong and Aileen Aboy and Rob Sayers and Bryan Pham and Tam Vu and Kim Hoang and Donald S. Karanewsky and Christian Leist and Albert Schmitz and Joe C. Wu and Kevin J. Tomaselli and Lawrence C. Fritz Activation of Membrane-associated Procaspase-3 Is Regulated by Bcl-2 . . . 915 Pierre Gönczy and Heinke Schnabel and Titus Kaletta and Ana Duran Amores and Tony Hyman and Ralf Schnabel Dissection of Cell Division Processes in the One Cell Stage \bionameCaenorhabditis elegans Embryo by Mutational Analysis . . . . . . . . . . 927 Laifong Lee and Saskia K. Klee and Marie Evangelista and Charles Boone and David Pellman Control of Mitotic Spindle Position by the \bionameSaccharomyces cerevisiae Formin Bni1p . . . . . . . . . . . . . . 947 Rita K. Miller and Dina Matheos and Mark D. Rose The Cortical Localization of the Microtubule Orientation Protein, Kar9p, Is Dependent upon Actin and Proteins Required for Polarization . . . . . . . 963 Paul Maddox and E. Chin and A. Mallavarapu and E. Yeh and E. D. Salmon and K. Bloom Microtubule Dynamics from Mating through the First Zygotic Division in the Budding Yeast \bionameSaccharomyces cerevisiae . . . . . . . . . . . . . . . 977 William A. Kronert and Angel Acebes and Alberto Ferrús and Sanford I. Bernstein Specific Myosin Heavy Chain Mutations Suppress Troponin I Defects in \bionameDrosophila Muscles . . . . . . . 989 Kenji Mandai and Hiroyuki Nakanishi and Ayako Satoh and Kenichi Takahashi and Keiko Satoh and Hideo Nishioka and Akira Mizoguchi and Yoshimi Takai Ponsin/SH3P12: An l-Afadin- and Vinculin-binding Protein Localized at Cell--Cell and Cell--Matrix Adherens Junctions . . . . . . . . . . . . . . . 1001 Alexandre Angers-Loustau and Jean-François Côté and Alain Charest and Donald Dowbenko and Susan Spencer and Laurence A. Lasky and Michel L. Tremblay Protein Tyrosine Phosphatase--PEST Regulates Focal Adhesion Disassembly, Migration, and Cytokinesis in Fibroblasts . . . . . . . . . . . . . . 1019 Lan Zhou and Eileen M. Kasperek and Bruce J. Nicholson Dissection of the Molecular Basis of pp60$^{v - src}$ Induced Gating of Connexin 43 Gap Junction Channels . . . 1033 John D. Loike and Long Cao and Sadna Budhu and Eugene E. Marcantonio and Joseph El Khoury and Stanley Hoffman and Ted A. Yednock and Samuel C. Silverstein Differential Regulation of $ \beta_1 $ Integrins by Chemoattractants Regulates Neutrophil Migration through Fibrin . . 1047 S. Vijayakumar and Jiro Takito and Chinami Hikita and Qais Al-Awqati Hensin Remodels the Apical Cytoskeleton and Induces Columnarization of Intercalated Epithelial Cells: Processes that Resemble Terminal Differentiation 1057 Yong Zhu and Anush Oganesian and Douglas R. Keene and Linda J. Sandell Type IIA Procollagen Containing the Cysteine-rich Amino Propeptide Is Deposited in the Extracellular Matrix of Prechondrogenic Tissue and Binds to TGF-$ \beta $1 and BMP-2 . . . . . . . . 1069
Tracey Michele Gant and Crafford A. Harris and Katherine L. Wilson Roles of LAP2 Proteins in Nuclear Assembly and DNA Replication: Truncated LAP2$ \beta $ Proteins Alter Lamina Assembly, Envelope Formation, Nuclear Size, and DNA Replication Efficiency in \bionameXenopus laevis Extracts . . . . 1083 Beatriz M. A. Fontoura and Günter Blobel and Michael J. Matunis A Conserved Biogenesis Pathway for Nucleoporins: Proteolytic Processing of a 186-Kilodalton Precursor Generates Nup98 and the Novel Nucleoporin, Nup96 1097 Jonathan R. Beauchamp and Jennifer E. Morgan and Charles N. Pagel and Terence A. Partridge Dynamics of Myoblast Transplantation Reveal a Discrete Minority of Precursors with Stem Cell-like Properties as the Myogenic Source . . . . . . . . . . . . 1113 Ennio Giordano and Ivana Peluso and Stefania Senger and Maria Furia minifly, A \bionameDrosophila Gene Required for Ribosome Biogenesis . . . . 1123 Mark S. Ladinsky and David N. Mastronarde and J. Richard McIntosh and Kathryn E. Howell and L. Andrew Staehelin Golgi Structure in Three Dimensions: Functional Insights from the Normal Rat Kidney Cell . . . . . . . . . . . . . . 1135 Wolfgang Girzalsky and Peter Rehling and Katharina Stein and Julia Kipper and Lars Blank and Wolf-Hubert Kunau and Ralf Erdmann Involvement of Pex13p in Pex14p Localization and Peroxisomal Targeting Signal $2$-dependent Protein Import into Peroxisomes . . . . . . . . . . . . . . 1151 Christine Herrmann and Elaheh Golkaramnay and Elisabeth Inman and Leonard Rome and Walter Volknandt Recombinant Major Vault Protein Is Targeted to Neuritic Tips of PC12 Cells 1163 Satoshi Katayama and Dai Hirata and Manuel Arellano and Pilar Pérez and Takashi Toda Fission Yeast $ \alpha $-Glucan Synthase Mok1 Requires the Actin Cytoskeleton to Localize the Sites of Growth and Plays an Essential Role in Cell Morphogenesis Downstream of Protein Kinase C Function 1173 Aljoscha Nern and Robert A. Arkowitz A Cdc24p--Far1p--G$ \beta \gamma $ Protein Complex Required for Yeast Orientation during Mating . . . . . . . 1187 M. Jamie T. V. Cope and Shirley Yang and Ching Shang and David G. Drubin Novel Protein Kinases Ark1p and Prk1p Associate with and Regulate the Cortical Actin Cytoskeleton in Budding Yeast . . 1203 Brendan D. Manning and Jennifer G. Barrett and Julie A. Wallace and Howard Granok and Michael Snyder Differential Regulation of the Kar3p Kinesin-related Protein by Two Associated Proteins, Cik1p and Vik1p . . 1219 Catherine D. Nobes and Alan Hall Rho GTPases Control Polarity, Protrusion, and Adhesion during Cell Movement . . . . . . . . . . . . . . . . 1235 Valérie Laurent and Thomas P. Loisel and Birgit Harbeck and Ann Wehman and Lothar Gröbe and Brigitte M. Jockusch and Jürgen Wehland and Frank B. Gertler and Marie-France Carlier Role of Proteins of the Ena/VASP Family in Actin-based Motility of \bioname\bionameListeria monocytogenes 1245 McRae W. Williams and Robert J. Bloch Extensive but Coordinated Reorganization of the Membrane Skeleton in Myofibers of Dystrophic (mdx) Mice . . . . . . . . . 1259 Sushmita Mukherjee and Thwe Thwe Soe and Frederick R. Maxfield Endocytic Sorting of Lipid Analogues Differing Solely in the Chemistry of Their Hydrophobic Tails . . . . . . . . 1271 Ying Wei and Xiuwei Yang and Qiumei Liu and John A. Wilkins and Harold A. Chapman A Role for Caveolin and the Urokinase Receptor in Integrin-mediated Adhesion and Signaling . . . . . . . . . . . . . 1285 Sarita K. Sastry and Margot Lakonishok and Stanley Wu and Tho Q. Truong and Anna Huttenlocher and Christopher E. Turner and Alan F. Horwitz Quantitative Changes in Integrin and Focal Adhesion Signaling Regulate Myoblast Cell Cycle Withdrawal . . . . . 1295 Yuzo Imamura and Masahiko Itoh and Yoshito Maeno and Shoichiro Tsukita and Akira Nagafuchi Functional Domains of $ \alpha $-Catenin Required for the Strong State of Cadherin-based Cell Adhesion . . . . . . 1311 Susan M. Burden-Gulley and Susann M. Brady-Kalnay PTP$ \mu $ Regulates N--Cadherin-dependent Neurite Outgrowth 1323 Nadia Farrelly and Yi-Ju Lee and Janine Oliver and Caroline Dive and Charles H. Streuli Extracellular Matrix Regulates Apoptosis in Mammary Epithelium through a Control on Insulin Signaling . . . . . . . . . . 1337 Guoping Feng and Eric Krejci and Jordi Molgo and Jeanette M. Cunningham and Jean Massoulié and Joshua R. Sanes Genetic Analysis of Collagen Q: Roles in Acetylcholinesterase and Butyrylcholinesterase Assembly and in Synaptic Structure and Function . . . . 1349
David C. Allison and Andrea L. Nestor Evidence for a Relatively Random Array of Human Chromosomes on the Mitotic Ring 1 Katherine M. Hyland and Jeffrey Kingsbury and Doug Koshland and Philip Hieter Ctf19p: a Novel Kinetochore Protein in \bionameSaccharomyces cerevisiae and a Potential Link between the Kinetochore and Mitotic Spindle . . . . . . . . . . 15 Subhendra N. Mattagajasingh and Shu-Ching Huang and Julia S. Hartenstein and Michael Snyder and Vincent T. Marchesi and Edward J. Benz A Nonerythroid Isoform of Protein 4.1R Interacts with the Nuclear Mitotic Apparatus (NuMA) Protein . . . . . . . . 29 Michael Kann and Beate Sodeik and Angelika Vlachou and Wolfram H. Gerlich and Ari Helenius Phosphorylation-dependent Binding of Hepatitis B Virus Core Particles to the Nuclear Pore Complex . . . . . . . . . . 45 Arielle R. Rosenberg and Lélia Delamarre and Claudine Pique and Isabelle Le Blanc and Graziella Griffith and Marie-Christine Dokhélar Early Assembly Step of a Retroviral Envelope Glycoprotein: Analysis Using a Dominant Negative Assay . . . . . . . . 57 Olivia W. Rossanese and Jon Soderholm and Brooke J. Bevis and Irina B. Sears and James O'Connor and Edward K. Williamson and Benjamin S. Glick Golgi Structure Correlates with Transitional Endoplasmic Reticulum Organization in Pichia pastoris and \bionameSaccharomyces cerevisiae . . . . 69 Carlos Infante and Francisco Ramos-Morales and Concepción Fedriani and Michel Bornens and Rosa M. Rios GMAP-210, a cis-Golgi network-associated protein, is a minus end microtubule-binding protein . . . . . . 83 Jiandi Zhang and Mary C. Reedy and Yusuf A. Hannun and Lina M. Obeid Inhibition of Caspases Inhibits the Release of Apoptotic Bodies: Bcl-2 Inhibits the Initiation of Formation of Apoptotic Bodies in Chemotherapeutic Agent-induced Apoptosis . . . . . . . . 99 Steven R. Heidemann and Stefanie Kaech and Robert E. Buxbaum and Andrew Matus Direct Observations of the Mechanical Behaviors of the Cytoskeleton in Living Fibroblasts . . . . . . . . . . . . . . 109 David R. Sheff and Elizabeth A. Daro and Michael Hull and Ira Mellman The Receptor Recycling Pathway Contains Two Distinct Populations of Early Endosomes with Different Sorting Functions . . . . . . . . . . . . . . . 123 Rosa Puertollano and Fernando Martín-Belmonte and Jaime Millán and María del Carmen de Marco and Juan P. Albar and Leonor Kremer and Miguel A. Alonso The MAL Proteolipid Is Necessary for Normal Apical Transport and Accurate Sorting of the Influenza Virus Hemagglutinin in Madin--Darby Canine Kidney Cells . . . . . . . . . . . . . . 141 Rachelle H. Crosbie and Connie S. Lebakken and Kathleen H. Holt and David P. Venzke and Volker Straub and Jane C. Lee and R. Mark Grady and Jeffery S. Chamberlain and Joshua R. Sanes and Kevin P. Campbell Membrane Targeting and Stabilization of Sarcospan Is Mediated by the Sarcoglycan Subcomplex . . . . . . . . . . . . . . . 153 Iakowos Karakesisoglou and Klaus-Peter Janssen and Ludwig Eichinger and Angelika A. Noegel and Michael Schleicher Identification of a Suppressor of the Dictyostelium Profilin-minus Phenotype as a CD36/LIMP--II Homologue . . . . . . 167 S. J. Millward-Sadler and M. O. Wright and H.-S. Lee and K. Nishida and H. Caldwell and G. Nuki and D. M. Salter Integrin-regulated Secretion of Interleukin 4: a Novel Pathway of Mechanotransduction in Human Articular Chondrocytes . . . . . . . . . . . . . . 183 Doris Martin and Susan Zusman and Xitong Li and Erin L. Williams and Narmada Khare and Sol DaRocha and Ruth Chiquet-Ehrismann and Stefan Baumgartner wing blister, A New \bionameDrosophila Laminin $ \alpha $ Chain Required for Cell Adhesion and Migration during Embryonic and Imaginal Development . . . 191
Christopher D. Smith and Elizabeth H. Blackburn Uncapping and Deregulation of Telomeres Lead to Detrimental Cellular Consequences in Yeast . . . . . . . . . 203 Bahram Houchmandzadeh and Stefan Dimitrov Elasticity Measurements Show the Existence of Thin Rigid Cores Inside Mitotic Chromosomes . . . . . . . . . . 215 Debra M. Sauvé and Hilary J. Anderson and Jill M. Ray and William M. James and Michel Roberge Phosphorylation-induced Rearrangement of the Histone H3 NH$_2$-terminal Domain during Mitotic Chromosome Condensation 225 Colin E. J. Pritchard and Maarten Fornerod and Lawryn H. Kasper and Jan M. A. van Deursen RAE1 Is a Shuttling mRNA Export Factor That Binds to a GLEBS-like NUP98 Motif at the Nuclear Pore Complex through Multiple Domains . . . . . . . . . . . . 237 Efrosyni Paraskeva and Elisa Izaurralde and F. Ralf Bischoff and Jochen Huber and Ulrike Kutay and Enno Hartmann and Reinhard Lührmann and Dirk Görlich CRM1-mediated Recycling of Snurportin 1 to the Cytoplasm . . . . . . . . . . . . 255 William J. Hansen and Nicholas J. Cowan and William J. Welch Prefoldin--Nascent Chain Complexes in the Folding of Cytoskeletal Proteins . . 265 Ping Lin and Yong Yao and Robert Hofmeister and Roger Y. Tsien and Marilyn Gist Farquhar Overexpression of CALNUC (Nucleobindin) Increases Agonist and Thapsigargin Releasable Ca$^{2+}$ Storage in the Golgi . . . . . . . . . . . . . . . . . 279 Shelly Meeusen and Quinton Tieu and Edith Wong and Eric Weiss and David Schieltz and John R. Yates and Jodi Nunnari Mgm101p Is a Novel Component of the Mitochondrial Nucleoid That Binds DNA and Is Required for the Repair of Oxidatively Damaged Mitochondrial DNA 291 Fridoon J. Ahmad and Wenqian Yu and Francis J. McNally and Peter W. Baas An Essential Role for Katanin in Severing Microtubules in the Neuron . . 305 Benedikt Kost and Emmanuel Lemichez and Pius Spielhofer and Yan Hong and Kimberly Tolias and Christopher Carpenter and Nam-Hai Chua Rac Homologues and Compartmentalized Phosphatidylinositol 4, 5-Bisphosphate Act in a Common Pathway to Regulate Polar Pollen Tube Growth . . . . . . . . 317 Maryse Bailly and Frank Macaluso and Michael Cammer and Amanda Chan and Jeffrey E. Segall and John S. Condeelis Relationship between Arp2/3 Complex and the Barbed Ends of Actin Filaments at the Leading Edge of Carcinoma Cells after Epidermal Growth Factor Stimulation . . . . . . . . . . . . . . 331 Yuko Fukata and Noriko Oshiro and Nagatoki Kinoshita and Yoji Kawano and Yoichiro Matsuoka and Vann Bennett and Yoshiharu Matsuura and Kozo Kaibuchi Phosphorylation of Adducin by Rho--Kinase Plays a Crucial Role in Cell Motility . . . . . . . . . . . . . . . . 347 Patrick G. Bray and Omar Janneh and Kaylene J. Raynes and Mathirut Mungthin and Hagai Ginsburg and Stephen A. Ward Cellular Uptake of Chloroquine Is Dependent on Binding to Ferriprotoporphyrin IX and Is Independent of NHE Activity in Plasmodium falciparum . . . . . . . . . 363 Woutervan't Hof and Marilyn D. Resh Dual Fatty Acylation of p59 $^{\rm Fyn}$ Is Required for Association with the T Cell Receptor $ \zeta $ Chain through Phosphotyrosine--Src Homology Domain-2 Interactions . . . . . . . . . . . . . . 377 Amy M. Kachinsky and Stanley C. Froehner and Sharon L. Milgram A PDZ-containing Scaffold Related to the Dystrophin Complex at the Basolateral Membrane of Epithelial Cells . . . . . . 391 Anuska V. Andjelkovic and Dennis D. Spencer and Joel S. Pachter Visualization of Chemokine Binding Sites on Human Brain Microvessels . . . . . . 403 Yasuyuki Taooka and John Chen and Ted Yednock and Dean Sheppard The Integrin $ \alpha $9$ \beta $1 Mediates Adhesion to Activated Endothelial Cells and Transendothelial Neutrophil Migration through Interaction with Vascular Cell Adhesion Molecule-1 413
Margit Keresztes and Johannes Boonstra Import(ance) of Growth Factors in(to) the Nucleus . . . . . . . . . . . . . . 421 Hong-Guo Yu and Michael G. Muszynski and R. Kelly Dawe The Maize Homologue of the Cell Cycle Checkpoint Protein MAD2 Reveals Kinetochore Substructure and Contrasting Mitotic and Meiotic Localization Patterns . . . . . . . . . . . . . . . . 425 Rumi Yamaguchi and Masanobu Nakamura and Nobuyoshi Mochizuki and Steve A. Kay and Akira Nagatani Light-dependent Translocation of a Phytochrome B--GFP Fusion Protein to the Nucleus in Transgenic Arabidopsis . . . 437 Joanne M. Yeakley and Hél\`ene Tronch\`ere and James Olesen and Jacqueline A. Dyck and Huan-You Wang and Xiang-Dong Fu Phosphorylation Regulates In Vivo Interaction and Molecular Targeting of Serine/Arginine-rich Pre-mRNA Splicing Factors . . . . . . . . . . . . . . . . 447 Marie-José J. E. Bijlmakers and Mark Marsh Trafficking of an Acylated Cytosolic Protein: Newly Synthesized p56 $^{\rm lck}$ Travels to the Plasma Membrane via the Exocytic Pathway . . . . . . . . . . 457 Joseph R. Marszalek and Joshua A. Weiner and Samuel J. Farlow and Jerold Chun and Lawrence S. B. Goldstein Novel Dendritic Kinesin Sorting Identified by Different Process Targeting of Two Related Kinesins: KIF21A and KIF21B . . . . . . . . . . . 469 W. Christian Wigley and Rosalind P. Fabunmi and Min Goo Lee and Christopher R. Marino and Shmuel Muallem and George N. DeMartino and Philip J. Thomas Dynamic Association of Proteasomal Machinery with the Centrosome . . . . . 481 Shoichiro Ono and David L. Baillie and Guy M. Benian UNC-60B, an ADF/Cofilin Family Protein, Is Required for Proper Assembly of Actin into Myofibrils in \bionameCaenorhabditis elegans Body Wall Muscle . . . . . . . . . . . . . . . . . 491 Milos Pekny and Clas B. Johansson and Camilla Eliasson and Josefina Stakeberg and Åsa Wallén and Thomas Perlmann and Urban Lendahl and Christer Betsholtz and Claes-Henric Berthold and Jonas Frisén Abnormal Reaction to Central Nervous System Injury in Mice Lacking Glial Fibrillary Acidic Protein and Vimentin 503 Elisa M. Miguélez and Carlos Hardisson and Manuel B. Manzanal Hyphal Death during Colony Development in \bionameStreptomyces antibioticus: Morphological Evidence for the Existence of a Process of Cell Deletion in a Multicellular Prokaryote . . . . . . . . 515 Teresa L. Burgess and Yi-xin Qian and Stephen Kaufman and Brian D. Ring and Gwyneth Van and Charles Capparelli and Michael Kelley and Hailing Hsu and William J. Boyle and Colin R. Dunstan and Sylvia Hu and David L. Lacey The Ligand for Osteoprotegerin (OPGL) Directly Activates Mature Osteoclasts 527 Kenichi Takahashi and Hiroyuki Nakanishi and Masako Miyahara and Kenji Mandai and Keiko Satoh and Ayako Satoh and Hideo Nishioka and Junken Aoki and Akio Nomoto and Akira Mizoguchi and Yoshimi Takai Nectin/PRR: an Immunoglobulin-like Cell Adhesion Molecule Recruited to Cadherin-based Adherens Junctions through Interaction with Afadin, a PDZ Domain--containing Protein . . . . . . . 539 Shinya Aono and Shinichi Nakagawa and Albert B. Reynolds and Masatoshi Takeichi p120$^{\rm ctn}$ Acts as an Inhibitory Regulator of Cadherin Function in Colon Carcinoma Cells . . . . . . . . . . . . 551 Toshitaka Oohashi and Xiao-Hong Zhou and Kang Feng and Brigitta Richter and Matthias Mörgelin and Maria Thereza Perez and Wei-Dong Su and Ruth Chiquet-Ehrismann and Uwe Rauch and Reinhard Fässler Mouse Ten-m/Odz Is a New Family of Dimeric Type II Transmembrane Proteins Expressed in Many Tissues . . . . . . . 563 Kazumasa Morita and Hiroyuki Sasaki and Kazushi Fujimoto and Mikio Furuse and Shoichiro Tsukita Claudin-11\slash OSP-based Tight Junctions of Myelin Sheaths in Brain and Sertoli Cells in Testis . . . . . . . . 579 Tim Oliver and Micah Dembo and Ken Jacobson Separation of Propulsive and Adhesive Traction Stresses in Locomoting Keratocytes . . . . . . . . . . . . . . 589 Manuel Koch and Pamela F. Olson and Anne Albus and William Jin and Dale D. Hunter and William J. Brunken and Robert E. Burgeson and Marie-France Champliaud Characterization and Expression of the Laminin $ \gamma $3 Chain: A Novel, Non-Basement Membrane-associated, Laminin Chain . . . . . . . . . . . . . 605 Holly Colognato and Donald A. Winkelmann and Peter D. Yurchenco Laminin Polymerization Induces a Receptor--Cytoskeleton Network . . . . . 619 Simon M. Hughes and Maggie M.-Y. Chi and Oliver H. Lowry and Kristian Gundersen Myogenin Induces a Shift of Enzyme Activity from Glycolytic to Oxidative Metabolism in Muscles of Transgenic Mice 633
Ralph H. Kehlenbach and Achim Dickmanns and Angelika Kehlenbach and Tinglu Guan and Larry Gerace A Role for RanBP1 in the Release of CRM1 from the Nuclear Pore Complex in a Terminal Step of Nuclear Export . . . . 645 Kevin J. Roberg and Michelle Crotwell and Peter Espenshade and Ruth Gimeno and Chris A. Kaiser LST1 Is a SEC24 Homologue Used for Selective Export of the Plasma Membrane ATPase from the Endoplasmic Reticulum 659 Michel Dominguez and Ali Fazel and Sophie Dahan and Jacque Lovell and Louis Hermo and Alejandro Claude and Paul Melançon and J. J. M. Bergeron Fusogenic Domains of Golgi Membranes Are Sequestered into Specialized Regions of the Stack that Can Be Released by Mechanical Fragmentation . . . . . . . . 673 Wandy L. Beatty and Stéphane Méresse and Pierre Gounon and Jean Davoust and Joëlle Mounier and Philippe J. Sansonetti and Jean-Pierre Gorvel Trafficking of Shigella Lipopolysaccharide in Polarized Intestinal Epithelial Cells . . . . . . 689 Nicole R. Murray and Laurie A. Davidson and Robert S. Chapkin and W. Clay Gustafson and Diane G. Schattenberg and Alan P. Fields Overexpression of Protein Kinase C $ \beta_{II} $ Induces Colonic Hyperproliferation and Increased Sensitivity to Colon Carcinogenesis . . 699 Ruth Zeidman and Bjarne Löfgren and Sven Påhlman and Christer Larsson PKC$ \epsilon $, Via its Regulatory Domain and Independently of its Catalytic Domain, Induces Neurite-like Processes in Neuroblastoma Cells . . . . 713 Ken'ichiro Hayashi and Masanori Takahashi and Kazuhiro Kimura and Wataru Nishida and Hiroshi Saga and Kenji Sobue Changes in the Balance of Phosphoinositide 3-Kinase/Protein Kinase B (Akt) and the Mitogen-activated Protein Kinases (ERK/p38MAPK) Determine a Phenotype of Visceral and Vascular Smooth Muscle Cells . . . . . . . . . . 727 François Fagotto and Eek-hoon Jho and Li Zeng and Thomas Kurth and Thomas Joos and Christine Kaufmann and Frank Costantini Domains of Axin Involved in Protein--Protein Interactions, Wnt Pathway Inhibition, and Intracellular Localization . . . . . . . . . . . . . . 741 Frank Madeo and Eleonore Fröhlich and Martin Ligr and Martin Grey and Stephan J. Sigrist and Dieter H. Wolf and Kai-Uwe Fröhlich Oxygen Stress: a Regulator of Apoptosis in Yeast . . . . . . . . . . . . . . . . 757 Graziella Pellegrini and Osvaldo Golisano and Patrizia Paterna and Alessandro Lambiase and Stefano Bonini and Paolo Rama and Michele De Luca Location and Clonal Analysis of Stem Cells and Their Differentiated Progeny in the Human Ocular Surface . . . . . . 769 Rosa Serra and Andrew Karaplis and Philip Sohn Parathyroid Hormone--related Peptide (PTHrP)-dependent and -independent Effects of Transforming Growth Factor $ \beta $ (TGF-$ \beta $) on Endochondral Bone Formation . . . . . . . . . . . . . 783 Eric Boitier and Ruth Rea and Michael R. Duchen Mitochondria Exert a Negative Feedback on the Propagation of Intracellular Ca$^{2+}$ Waves in Rat Cortical Astrocytes . . . . . . . . . . . . . . . 795 Ian R. Adams and John V. Kilmartin Localization of Core Spindle Pole Body (SPB) Components during SPB Duplication in \bionameSaccharomyces cerevisiae . . 809 Sen Takeda and Yoshiaki Yonekawa and Yosuke Tanaka and Yasushi Okada and Shigenori Nonaka and Nobutaka Hirokawa Left-Right Asymmetry and Kinesin Superfamily Protein KIF3A: New Insights in Determination of Laterality and Mesoderm Induction by kif3A$^- / - $ Mice Analysis . . . . . . . . . . . . . 825 Mary Ann Sells and Jonathan T. Boyd and Jonathan Chernoff p21-Activated Kinase 1 (Pak1) Regulates Cell Motility in Mammalian Fibroblasts 837 Christopher E. Turner and Michael C. Brown and Joseph A. Perrotta and M. C. Riedy and Sotiris N. Nikolopoulos and A. Rosa McDonald and Shubha Bagrodia and Sheila Thomas and Phillip S. Leventhal Paxillin LD4 Motif Binds PAK and PIX through a Novel 95-kD Ankyrin Repeat, ARF--GAP Protein: a Role in Cytoskeletal Remodeling . . . . . . . . . . . . . . . 851 Andreas Marg and Pinar Sirim and Frank Spaltmann and Antonius Plagge and Gunther Kauselmann and Friedrich Buck and Fritz G. Rathjen and Thomas Brümmendorf Neurotractin, A Novel Neurite Outgrowth-promoting Ig-like Protein that Interacts with CEPU-1 and LAMP . . . . . 865 Erin D. Sheets and David Holowka and Barbara Baird Critical Role for Cholesterol in Lyn-mediated Tyrosine Phosphorylation of Fc$ \epsilon $RI and Their Association with Detergent-resistant Membranes . . . 877 Scott D. Blystone and Suzanne E. Slater and Matthew P. Williams and Michael T. Crow and Eric J. Brown A Molecular Mechanism of Integrin Crosstalk: $ \alpha_v \beta_3 $ Suppression of Calcium/Calmodulin-dependent Protein Kinase II Regulates $ \alpha_5 \beta_1 $ Function . . . . . . . . . . . . . . . . 889 Annette Bistrup and Sunil Bhakta and Jin Kyu Lee and Yevgeniy Y. Belov and Michael Dee Gunn and Feng-Rong Zuo and Chiao-Chain Huang and Reiji Kannagi and Steven D. Rosen and Stefan Hemmerich Sulfotransferases of Two Specificities Function in the Reconstitution of High Endothelial Cell Ligands for L-selectin 899 H. Benjamin Peng and Hongbo Xie and Susanna G. Rossi and Richard L. Rotundo Acetylcholinesterase Clustering at the Neuromuscular Junction Involves Perlecan and Dystroglycan . . . . . . . . . . . . 911
Juan S. Bonifacino and Esteban C. Dell'Angelica Molecular Bases for the Recognition of Tyrosine-based Sorting Signals . . . . . 923 Randy A. Hall and Richard T. Premont and Robert J. Lefkowitz Heptahelical Receptor Signaling: Beyond the G Protein Paradigm . . . . . . . . . 927 Iain D. Russell and Adam S. Grancell and Peter K. Sorger The Unstable F-box Protein p58-Ctf13 Forms the Structural Core of the CBF3 Kinetochore Complex . . . . . . . . . . 933 Lily Jun-shen Huang and Lin Wang and Yuliang Ma and Kyle Durick and Guy Perkins and Thomas J. Deerinck and Mark H. Ellisman and Susan S. Taylor NH$_2$ -Terminal Targeting Motifs Direct Dual Specificity A--Kinase--anchoring Protein 1 (D--AKAP1) to Either Mitochondria or Endoplasmic Reticulum 951 Alessio Merlin and Wolfgang Voos and Ammy C. Maarse and Michiel Meijer and Nikolaus Pfanner and Joachim Rassow The J-related Segment of Tim44 Is Essential for Cell Viability: a Mutant Tim44 Remains in the Mitochondrial Import Site, but Inefficiently Recruits mtHsp70 and Impairs Protein Translocation . . . . . . . . . . . . . 961 Enrico Schleiff and John R. Silvius and Gordon C. Shore Direct Membrane Insertion of Voltage-dependent Anion-selective Channel Protein Catalyzed by Mitochondrial Tom20 . . . . . . . . . . 973 Roberta Fraschini and Elisa Formenti and Giovanna Lucchini and Simonetta Piatti Budding Yeast Bub2 Is Localized at Spindle Pole Bodies and Activates the Mitotic Checkpoint via a Different Pathway from Mad2 . . . . . . . . . . . 979 Jennifer S. Tirnauer and Eileen O'Toole and Lisbeth Berrueta and Barbara E. Bierer and David Pellman Yeast Bim1p Promotes the G1-specific Dynamics of Microtubules . . . . . . . . 993 Tatyana M. Svitkina and Gary G. Borisy Arp2/3 Complex and Actin Depolymerizing Factor/Cofilin in Dendritic Organization and Treadmilling of Actin Filament Array in \bionameLamellipodia . . . . . . . . 1009 Antonella Tripiciano and Carmelina Peluso and Anna Rita Morena and Fioretta Palombi and Mario Stefanini and Elio Ziparo and Masashi Yanagisawa and Antonio Filippini Cyclic Expression of Endothelin-converting Enzyme-1 Mediates the Functional Regulation of Seminiferous Tubule Contraction . . . . 1027 Sumio Terada and Tetsuhiro Tsujimoto and Yosuke Takei and Tomoyuki Takahashi and Nobutaka Hirokawa Impairment of Inhibitory Synaptic Transmission in Mice Lacking Synapsin I 1039 Robert Eferl and Maria Sibilia and Frank Hilberg and Andrea Fuchsbichler and Iris Kufferath and Barbara Guertl and Rainer Zenz and Erwin F. Wagner and Kurt Zatloukal Functions of c--Jun in Liver and Heart Development . . . . . . . . . . . . . . 1049 F. Frémion and M. Astier and S. Zaffran and A. Guill\`en and V. Homburger and M. Sémériva The Heterotrimeric Protein G$_o$ Is Required for the Formation of Heart Epithelium in \bionameDrosophila . . . . 1063 Patricia J. Keely and Elena V. Rusyn and Adrienne D. Cox and Leslie V. Parise R-Ras Signals through Specific Integrin $ \alpha $ Cytoplasmic Domains to Promote Migration and Invasion of Breast Epithelial Cells . . . . . . . . . . . . 1077 Pamela L. Tuma and Catherine M. Finnegan and Ji-Hyun Yi and Ann L. Hubbard Evidence for Apical Endocytosis in Polarized Hepatic Cells: Phosphoinositide 3-Kinase Inhibitors Lead to the Lysosomal Accumulation of Resident Apical Plasma Membrane Proteins 1089 M. M. French and S. E. Smith and K. Akanbi and T. Sanford and J. Hecht and M. C. Farach-Carson and D. D. Carson Expression of the Heparan Sulfate Proteoglycan, Perlecan, during Mouse Embryogenesis and Perlecan Chondrogenic Activity In Vitro . . . . . . . . . . . 1103
Jenny A. Croft and Joanna M. Bridger and Shelagh Boyle and Paul Perry and Peter Teague and Wendy A. Bickmore Differences in the Localization and Morphology of Chromosomes in the Human Nucleus . . . . . . . . . . . . . . . . 1119 Caroline Jolly and Claire Vourc'h and Michel Robert-Nicoud and Richard I. Morimoto Intron-independent Association of Splicing Factors with Active Genes . . . 1133 Naoyuki Kataoka and Jennifer L. Bachorik and Gideon Dreyfuss Transportin-SR, a Nuclear Import Receptor for SR Proteins . . . . . . . . 1145 Jose A. Trilla and Angel Durán and Cesar Roncero Chs7p, a New Protein Involved in the Control of Protein Export from the Endoplasmic Reticulum that Is Specifically Engaged in the Regulation of Chitin Synthesis in \bionameSaccharomyces cerevisiae . . . . 1153 Chenhui Wen and Iva Greenwald p24 Proteins and Quality Control of LIN-12 and GLP-1 Trafficking in \bionameCaenorhabditis elegans . . . . . 1165 Sylvia L. Sanders and Martina Gentzsch and Widmar Tanner and Ira Herskowitz O-Glycosylation of Axl2/Bud10p by Pmt4p Is Required for Its Stability, Localization, and Function in Daughter Cells . . . . . . . . . . . . . . . . . 1177 Radu-Virgil Stan and Lucian Ghitescu and Bruce S. Jacobson and George E. Palade Isolation, Cloning, and Localization of Rat PV-1, a Novel Endothelial Caveolar Protein . . . . . . . . . . . . . . . . 1189 Harold A. Fisk and Michael P. Yaffe A Role for Ubiquitination in Mitochondrial Inheritance in \bionameSaccharomyces cerevisiae . . . . 1199 Donna J. Osterhout and Amy Wolven and Rebecca M. Wolf and Marilyn D. Resh and Moses V. Chao Morphological Differentiation of Oligodendrocytes Requires Activation of Fyn Tyrosine Kinase . . . . . . . . . . 1209 Miguel A. Gijón and Diane M. Spencer and Alan L. Kaiser and Christina C. Leslie Role of Phosphorylation Sites and the C2 Domain in Regulation of Cytosolic Phospholipase A$_2$ . . . . . . . . . . 1219 Ayumu Yamamoto and Robert R. West and J. Richard McIntosh and Yasushi Hiraoka A Cytoplasmic Dynein Heavy Chain Is Required for Oscillatory Nuclear Movement of Meiotic Prophase and Efficient Meiotic Recombination in Fission Yeast . . . . . . . . . . . . . 1233 Avital A. Rodal and Jonathan W. Tetreault and Pekka Lappalainen and David G. Drubin and David C. Amberg Aip1p Interacts with Cofilin to Disassemble Actin Filaments . . . . . . 1251 Pak-ming Lau and Robert S. Zucker and David Bentley Induction of Filopodia by Direct Local Elevation of Intracellular Calcium Ion Concentration . . . . . . . . . . . . . 1265 Stacy M. Stabler and Lisa L. Ostrowski and Susan M. Janicki and Mervyn J. Monteiro A Myristoylated Calcium-binding Protein that Preferentially Interacts with the Alzheimer's Disease Presenilin 2 Protein 1277 Beata Wójciak-Stothard and Lynn Williams and Anne J. Ridley Monocyte Adhesion and Spreading on Human Endothelial Cells Is Dependent on Rho-regulated Receptor Clustering . . . 1293 Maureen C. Ryan and Keesook Lee and Yuko Miyashita and William G. Carter Targeted Disruption of the LAMA3 Gene in Mice Reveals Abnormalities in Survival and Late Stage Differentiation of Epithelial Cells . . . . . . . . . . . . 1309 Federica Montanaro and Michael Lindenbaum and Salvatore Carbonetto $ \alpha $-Dystroglycan Is a Laminin Receptor Involved in Extracellular Matrix Assembly on Myotubes and Muscle Cell Viability . . . . . . . . . . . . . 1325
Tudorita Tumbar and Gail Sudlow and Andrew S. Belmont Large-Scale Chromatin Unfolding and Remodeling Induced by VP16 Acidic Activation Domain . . . . . . . . . . . 1341 Angela Krämer and Patric Grüter and Karsten Gröning and Berthold Kastner Combined Biochemical and Electron Microscopic Analyses Reveal the Architecture of the Mammalian U2 snRNP 1355 Anne-Marie Dechampesme and Olga Koroleva and Isabelle Leger-Silvestre and Nicole Gas and Sylvie Camier Assembly of 5S Ribosomal RNA Is Required at a Specific Step of the Pre-rRNA Processing Pathway . . . . . . . . . . . 1369 Jae-hyun Kim and Jung-seog Kang and Clarence S. M. Chan Sli15 Associates with the Ipl1 Protein Kinase to Promote Proper Chromosome Segregation in \bionameSaccharomyces cerevisiae . . . . . . . . . . . . . . . 1381 Linda M. Woods and Craig A. Hodges and Esther Baart and Sean M. Baker and Michael Liskay and Patricia A. Hunt Chromosomal Influence on Meiotic Spindle Assembly: Abnormal Meiosis I in Female Mlh1 Mutant Mice . . . . . . . . . . . . 1395 Lucy F. Pemberton and Jonathan S. Rosenblum and Günter Blobel Nuclear Import of the TATA-binding Protein: Mediation by the Karyopherin Kap114p and a Possible Mechanism for Intranuclear Targeting . . . . . . . . . 1407 Anastasiya D. Blagoveshchenskaya and Eric W. Hewitt and Daniel F. Cutler A Complex Web of Signal-dependent Trafficking Underlies the Triorganellar Distribution of P--Selectin in Neuroendocrine PC12 Cells . . . . . . . 1419 Christian Ungermann and Gabriele Fischer von Mollard and Ole N. Jensen and Nathan Margolis and Tom H. Stevens and William Wickner Three v--SNAREs and Two t--SNAREs, Present in a Pentameric cis--SNARE Complex on Isolated Vacuoles, Are Essential for Homotypic Fusion . . . . . 1435 Robert Luetterforst and Espen Stang and Natasha Zorzi and Amanda Carozzi and Michael Way and Robert G. Parton Molecular Characterization of Caveolin Association with the Golgi Complex: Identification of a cis-Golgi Targeting Domain in the Caveolin Molecule . . . . 1443 Maja Oktay and Kishore K. Wary and Michael Dans and Raymond B. Birge and Filippo G. Giancotti Integrin-mediated Activation of Focal Adhesion Kinase Is Required for Signaling to Jun NH$_2$-terminal Kinase and Progression through the G1 Phase of the Cell Cycle . . . . . . . . . . . . . 1461 Karen Heyninck and Dirk De Valck and Wim Vanden Berghe and Wim Van Criekinge and Roland Contreras and Walter Fiers and Guy Haegeman and Rudi Beyaert The Zinc Finger Protein A20 Inhibits TNF-induced NF-$ \kappa $B-dependent Gene Expression by Interfering with an RIP- or TRAF2-mediated Transactivation Signal and Directly Binds to a Novel NF-$ \kappa $B-inhibiting Protein ABIN 1471 Daniel E. Michele and Faris P. Albayya and Joseph M. Metzger Thin Filament Protein Dynamics in Fully Differentiated Adult Cardiac Myocytes: Toward A Model of Sarcomere Maintenance 1483 Shigenobu Yonemura and Sachiko Tsukita and Shoichiro Tsukita Direct Involvement of Ezrin/Radixin/Moesin (ERM)-binding Membrane Proteins in the Organization of Microvilli in Collaboration with Activated ERM Proteins . . . . . . . . . 1497 Emmanuelle Astoul and Sandra Watton and Doreen Cantrell The Dynamics of Protein Kinase B Regulation during B Cell Antigen Receptor Engagement . . . . . . . . . . 1511
Alan W. Dove In Brief . . . . . . . . . . . . . . . . 0 Stéphane Brunet and Angélica Santa Maria and Philippe Guillaud and Denis Dujardin and Jacek Z. Kubiak and Bernard Maro Kinetochore Fibers Are Not Involved in the Formation of the First Meiotic Spindle in Mouse Oocytes, but Control the Exit from the First Meiotic M Phase 1 Joydeep Basu and Hassan Bousbaa and Elsa Logarinho and ZeXiao Li and Byron C. Williams and Carla Lopes and Claudio E. Sunkel and Michael L. Goldberg Mutations in the Essential Spindle Checkpoint Gene bub1 Cause Chromosome Missegregation and Fail to Block Apoptosis in \bionameDrosophila . . . . 13 Melissa M. Rolls and Pascal A. Stein and Stephen S. Taylor and Edward Ha and Frank McKeon and Tom A. Rapoport A Visual Screen of a Gfp-Fusion Library Identifies a New Type of Nuclear Envelope Membrane Protein . . . . . . . 29 Hiroki Mori and Elizabeth J. Summer and Xianyue Ma and Kenneth Cline Component Specificity for the Thylakoidal Sec and Delta Ph-Dependent Protein Transport Pathways . . . . . . . 45 James Shorter and Graham Warren A Role for the Vesicle Tethering Protein, P115, in the Post-Mitotic Stacking of Reassembling Golgi Cisternae in a Cell-Free System . . . . . . . . . 57 Alejandro Claude and Bao-Ping Zhao and Craig E. Kuziemsky and Sophie Dahan and Scott J. Berger and Jian-Ping Yan and Adrian D. Armold and Eric M. Sullivan and Paul Melançon Gbf1 . . . . . . . . . . . . . . . . . . 71 Thomas Vida and Brenda Gerhardt A Cell-Free Assay Allows Reconstitution of Vps33p-Dependent Transport to the Yeast Vacuole/Lysosome . . . . . . . . . 85 Antonius Koller and William B. Snyder and Klaas Nico Faber and Thibaut J. Wenzel and Linda Rangell and Gilbert A. Keller and Suresh Subramani Pex22p of \bionamePichia pastoris, Essential for Peroxisomal Matrix Protein Import, Anchors the Ubiquitin-Conjugating Enzyme, Pex4p, on the Peroxisomal Membrane . . . . . . . . 99 Luis C. Antón and Ulrich Schubert and Igor Bacík and Michael F. Princiotta and Pamela A. Wearsch and James Gibbs and Patricia M. Day and Claudio Realini and Martin C. Rechsteiner and Jack R. Bennink and Jonathan W. Yewdell Intracellular Localization of Proteasomal Degradation of a Viral Antigen . . . . . . . . . . . . . . . . 113 Kevin Lehman and Guendalina Rossi and Joan E. Adamo and Patrick Brennwald Yeast Homologues of Tomosyn and lethal giant larvae Function in Exocytosis and Are Associated with the Plasma Membrane Snare, Sec9 . . . . . . . . . . . . . . 125 Ofer Cohen and Boaz Inbal and Joseph L. Kissil and Tal Raveh and Hanna Berissi and Taly Spivak-Kroizaman and Elena Feinstein and Adi Kimchi Dap-Kinase Participates in TNF-$ \alpha $-And FAS--Induced Apoptosis and Its Function Requires the Death Domain . . . 141 Diem H. D. Nguyen and Andrew D. Catling and Donna J. Webb and Mauricio Sankovic and Lori A. Walker and Avril V. Somlyo and Michael J. Weber and Steven L. Gonias Myosin Light Chain Kinase Functions Downstream of Ras/ERK to Promote Migration of Urokinase-Type Plasminogen Activator-Stimulated Cells in an Integrin--Selective Manner . . . . . . . 149 Aaron B. Bowman and Ramila S. Patel-King and Sharon E. Benashski and J. Michael McCaffery and Lawrence S. B. Goldstein and Stephen M. King Drosophila roadblock and Chlamydomonas Lc7 . . . . . . . . . . . . . . . . . . 165 Gregory A. Elder and Victor L. Friedrich and Alla Margita and Robert A. Lazzarini Age-Related Atrophy of Motor Axons in Mice Deficient in the Mid--Sized Neurofilament Subunit . . . . . . . . . 181 Hiromi Terami and Benjamin D. Williams and Shin-ichi Kitamura and Yasuji Sakube and Shinji Matsumoto and Shima Doi and Takashi Obinata and Hiroaki Kagawa Genomic Organization, Expression, and Analysis of the Troponin C Gene pat-10 of \bionameCaenorhabditis elegans . . . 193 Sergey Rakhilin and Renaldo C. Drisdel and Daphna Sagher and Daniel S. McGehee and Yolanda Vallejo and William N. Green $ \alpha $-Bungarotoxin Receptors Contain $ \alpha $7 Subunits in Two Different Disulfide--Bonded Conformations . . . . . . . . . . . . . 203 Tam Luan Le and Alpha S. Yap and Jennifer L. Stow Recycling of E--Cadherin . . . . . . . . 219 Hua-Quan Miao and Shay Soker and Leonard Feiner and José Luis Alonso and Jonathan A. Raper and Michael Klagsbrun Neuropilin-1 Mediates Collapsin-1/Semaphorin III Inhibition of Endothelial Cell Motility . . . . . . . 233 Hidenori Shiraha and Angela Glading and Kiran Gupta and Alan Wells Ip-10 Inhibits Epidermal Growth Factor--Induced Motility by Decreasing Epidermal Growth Factor Receptor--Mediated Calpain Activity . . 243 Danielle F. Cano-Gauci and Howard H. Song and Huiling Yang and Colin McKerlie and Barbara Choo and Wen Shi and Rose Pullano and Tino D. Piscione and Silviu Grisaru and Shawn Soon and Larisa Sedlackova and A. Keith Tanswell and Tak W. Mak and Herman Yeger and Gina A. Lockwood and Norman D. Rosenblum and Jorge Filmus Glypican-$3$--Deficient Mice Exhibit Developmental Overgrowth and Some of the Abnormalities Typical of Simpson--Golabi--Behmel Syndrome . . . . 255
Laura M. Machesky and Robert H. Insall Signaling to Actin Dynamics . . . . . . 267 Frank Becker and Laura Block-Alper and Gerald Nakamura and Josephine Harada and K. Dane Wittrup and David I. Meyer Expression of the 180-kD Ribosome Receptor Induces Membrane Proliferation and Increased Secretory Activity in Yeast . . . . . . . . . . . . . . . . . 273 C. Lavoie and J. Paiement and M. Dominguez and L. Roy and S. Dahan and J. N. Gushue and J. J. M. Bergeron Roles for $ \alpha_2 $ p24 and COPI in Endoplasmic Reticulum Cargo Exit Site Formation . . . . . . . . . . . . . . . 285 Lior Soussan and Darya Burakov and Mathew P. Daniels and Mira Toister-Achituv and Amir Porat and Yossef Yarden and Zvulun Elazar Erg30, a Vap-33--Related Protein, Functions in Protein Transport Mediated by Copi Vesicles . . . . . . . . . . . . 301 Jürgen H. Benting and Anton G. Rietveld and Kai Simons N-Glycans Mediate the Apical Sorting of a Gpi--Anchored, Raft--Associated Protein in Madin--Darby Canine Kidney Cells . . . . . . . . . . . . . . . . . 313 Doron Rapaport and Walter Neupert Biogenesis of Tom40, Core Component of the Tom Complex of Mitochondria . . . . 321 Chavela M. Carr and Eric Grote and Mary Munson and Frederick M. Hughson and Peter J. Novick Sec1p Binds to SNARE Complexes and Concentrates at Sites of Secretion . . . 333 William G. Mallet and Frederick R. Maxfield Chimeric Forms of Furin and Tgn38 Are Transported from the Plasma Membrane to the Trans-Golgi Network via Distinct Endosomal Pathways . . . . . . . . . . . 345 Kazunobu Sawamoto and Per Winge and Shinya Koyama and Yuki Hirota and Chiharu Yamada and Sachiyo Miyao and Shingo Yoshikawa and Ming-hao Jin and Akira Kikuchi and Hideyuki Okano The \bionameDrosophila Ral GTPase Regulates Developmental Cell Shape Changes through the Jun NH$_2$-terminal Kinase Pathway . . . . . . . . . . . . . 361 Jana Drgonová and Tomás Drgon and Dong-Hyun Roh and Enrico Cabib The GTP-binding Protein Rho1p Is Required for Cell Cycle Progression and Polarization of the Yeast Cell . . . . . 373 Jianguo Gu and Masahito Tamura and Roumen Pankov and Erik H. J. Danen and Takahisa Takino and Kazue Matsumoto and Kenneth M. Yamada Shc and Fak Differentially Regulate Cell Motility and Directionality Modulated by Pten . . . . . . . . . . . . . . . . . . 389 Koichi Ito and Yasushi Miyashita and Haruo Kasai Kinetic Control of Multiple Forms of Ca$^{2+}$ Spikes by Inositol Trisphosphate in Pancreatic Acinar Cells 405 Xuemei Zeng and Jason A. Kahana and Pamela A. Silver and Mary K. Morphew and J. Richard McIntosh and Ian T. Fitch and John Carbon and William S. Saunders Slk19p Is a Centromere Protein That Functions to Stabilize Mitotic Spindles 415 Jeffrey R. Miller and Brian A. Rowning and Carolyn A. Larabell and Julia A. Yang-Snyder and Rebecca L. Bates and Randall T. Moon Establishment of the Dorsal--Ventral Axis in \bionameXenopus Embryos Coincides with the Dorsal Enrichment of Dishevelled That Is Dependent on Cortical Rotation . . . . . . . . . . . 427 Christopher A. Shelton and J. Clayton Carter and Gregory C. Ellis and Bruce Bowerman The Nonmuscle Myosin Regulatory Light Chain Gene mlc-4 Is Required for Cytokinesis, Anterior--Posterior Polarity, and Body Morphology during \bionameCaenorhabditis elegans Embryogenesis . . . . . . . . . . . . . 439 Angelika Konzok and Igor Weber and Evelyn Simmeth and Ulrike Hacker and Markus Maniak and Annette Müller-Taubenberger Daip1, a \bionameDictyostelium Homologue of the Yeast Actin--Interacting Protein 1, Is Involved in Endocytosis, Cytokinesis, and Motility . . . . . . . 453 Georgine Faulkner and Alberto Pallavicini and Elide Formentin and Anna Comelli and Chiara Ievolella and Silvia Trevisan and Gladis Bortoletto and Paolo Scannapieco and Michela Salamon and Vincent Mouly and Giorgio Valle and Gerolamo Lanfranchi ZASP: a New Z-band Alternatively Spliced PDZ-motif Protein . . . . . . . . . . . 465 Fedor Berditchevski and Elena Odintsova Characterization of Integrin--Tetraspanin Adhesion Complexes 477 Montserrat Samsó and Ramon Trujillo and Georgina B. Gurrola and Hector H. Valdivia and Terence Wagenknecht Three-Dimensional Location of the Imperatoxin a Binding Site on the Ryanodine Receptor . . . . . . . . . . . 493 Sylvie Dufour and Alice Beauvais-Jouneau and Annie Delouvée and Jean Paul Thiery Differential Function of N--Cadherin and Cadherin-7 in the Control of Embryonic Cell Motility . . . . . . . . . . . . . 501 Claire Legrand and Christine Gilles and Jean-Marie Zahm and Myriam Polette and Anne-Cécile Buisson and Hervé Kaplan and Philippe Birembaut and Jean-Marie Tournier Airway Epithelial Cell Migration Dynamics: MMP-9 Role in Cell--Extracellular Matrix Remodeling 517
Hong Ma and Alan J. Siegel and Ronald Berezney Association of Chromosome Territories with the Nuclear Matrix . . . . . . . . 531 Xiangyun Wei and Suryanarayan Somanathan and Jagath Samarabandu and Ronald Berezney Three-Dimensional Visualization of Transcription Sites and Their Association with Splicing Factor--Rich Nuclear Speckles . . . . . . . . . . . . 543 Nayef Jarrous and Joseph S. Wolenski and Donna Wesolowski and Christopher Lee and Sidney Altman Localization in the Nucleolus and Coiled Bodies of Protein Subunits of the Ribonucleoprotein Ribonuclease P . . . . 559 Christina Karlsson and Stephanie Katich and Anja Hagting and Ingrid Hoffmann and Jonathon Pines Cdc25b and Cdc25c Differ Markedly in Their Properties as Initiators of Mitosis . . . . . . . . . . . . . . . . 573 Alexey Khodjakov and Conly L. Rieder The Sudden Recruitment of $ \gamma $-Tubulin to the Centrosome at the Onset of Mitosis and Its Dynamic Exchange Throughout the Cell Cycle, Do Not Require Microtubules . . . . . . . . . . 585 John T. Robinson and Edward J. Wojcik and Mark A. Sanders and Maura McGrail and Thomas S. Hays Cytoplasmic Dynein Is Required for the Nuclear Attachment and Migration of Centrosomes during Mitosis in \bionameDrosophila . . . . . . . . . . . 597 Jonathan S. Bogan and Harvey F. Lodish Two Compartments for Insulin--Stimulated Exocytosis in 3t3-L1 Adipocytes Defined by Endogenous Acrp30 and Glut4 . . . . . 609 Bernhard E. Flucher and Antonio Conti and Hiroshi Takeshima and Vincenzo Sorrentino Type 3 and Type 1 Ryanodine Receptors Are Localized in Triads of the Same Mammalian Skeletal Muscle Fibers . . . . 621 Wolfgang A. Linke and Diane E. Rudy and Thomas Centner and Mathias Gautel and Christian Witt and Siegfried Labeit and Carol C. Gregorio I-Band Titin in Cardiac Muscle Is a Three--Element Molecular Spring and Is Critical for Maintaining Thin Filament Structure . . . . . . . . . . . . . . . 631 Pedro J. I. Salas Insoluble $ \gamma $--Tubulin--Containing Structures Are Anchored to the Apical Network of Intermediate Filaments in Polarized Caco-2 Epithelial Cells . . . . . . . . 645 Michelle Coutu Hresko and Lawrence A. Schriefer and Paresh Shrimankar and Robert H. Waterston Myotactin, a Novel Hypodermal Protein Involved in Muscle--Cell Adhesion in \bionameCaenorhabditis elegans . . . . . 659 Jennifer M. Green and Alexander Zheleznyak and Jun Chung and Frederik P. Lindberg and Marika Sarfati and William A. Frazier and Eric J. Brown Role of Cholesterol in Formation and Function of a Signaling Complex Involving $ \alpha $ v$ \beta $3, Integrin--Associated Protein (Cd47), and Heterotrimeric G Proteins . . . . . . . 673 Laura L. Mitic and Eveline E. Schneeberger and Alan S. Fanning and James Melvin Anderson Connexin-Occludin Chimeras Containing the Zo--Binding Domain of Occludin Localize at Mdck Tight Junctions and Nrk Cell Contacts . . . . . . . . . . . . . 683
Graham Carpenter Employment of the Epidermal Growth Factor Receptor in Growth Factor--Independent Signaling Pathways 697 Jason C. Mills and Nicole L. Stone and Randall N. Pittman Extranuclear Apoptosis . . . . . . . . . 703 Daniela S. Dimitrova and Ivan T. Todorov and Thomas Melendy and David M. Gilbert Mcm2, but Not Rpa, Is a Component of the Mammalian Early G1-Phase Prereplication Complex . . . . . . . . . . . . . . . . 709 Gerald Bacher and Martin Pool and Bernhard Dobberstein The Ribosome Regulates the Gtpase of the $ \beta $-Subunit of the Signal Recognition Particle Receptor . . . . . 723 Karen Purcell and Spyros Artavanis-Tsakonas The Developmental Role of warthog, the Notch Modifier Encoding Drab6 . . . . . 731 Roger Schneiter and Britta Brügger and Roger Sandhoff and Günther Zellnig and Andrea Leber and Manfred Lampl and Karin Athenstaedt and Claudia Hrastnik and Sandra Eder and Günther Daum and Fritz Paltauf and Felix T. Wieland and Sepp D. Kohlwein Electrospray Ionization Tandem Mass Spectrometry (Esi--Ms/Ms) Analysis of the Lipid Molecular Species Composition of Yeast Subcellular Membranes Reveals Acyl Chain--Based Sorting/Remodeling of Distinct Molecular Species En Route to the Plasma Membrane . . . . . . . . . . 741 Ibragim Gaidarov and James H. Keen Phosphoinositide--Ap-2 Interactions Required for Targeting to Plasma Membrane Clathrin-Coated Pits . . . . . 755 Raj J. Advani and Bin Yang and Rytis Prekeris and Kelly C. Lee and Judith Klumperman and Richard H. Scheller Vamp-7 Mediates Vesicular Transport from Endosomes to Lysosomes . . . . . . . . . 765 Cynthia A. Sparks and Mary Morphew and Dannel McCollum Sid2p, a Spindle Pole Body Kinase That Regulates the Onset of Cytokinesis . . . 777 Shuji Kotani and Hirofumi Tanaka and Hideyo Yasuda and Kazuo Todokoro Regulation of APC Activity by Phosphorylation and Regulatory Factors 791 Steven H. Myster and Julie A. Knott and Katrina M. Wysocki and Eileen O'Toole and Mary E. Porter Domains in the 1$ \alpha $ Dynein Heavy Chain Required for Inner Arm Assembly and Flagellar Motility in Chlamydomonas 801 Evelyne Ferrary and Michel Cohen-Tannoudji and Gérard Pehau-Arnaudet and Alexandre Lapillonne and Rafika Athman and Tereza Ruiz and Lilia Boulouha and Fatima El Marjou and Anne Doye and Jean-Jacques Fontaine and Claude Antony and Charles Babinet and Daniel Louvard and Frédéric Jaisser and Sylvie Robine In Vivo, Villin Is Required for Ca$^{2+}$ -Dependent F--Actin Disruption in Intestinal Brush Borders . . . . . . 819 Ivan Correia and Donald Chu and Ying-Hao Chou and Robert D. Goldman and Paul Matsudaira Integrating the Actin and Vimentin Cytoskeletons . . . . . . . . . . . . . 831 Snezhana Oliferenko and Karin Paiha and Thomas Harder and Volker Gerke and Christoph Schwärzler and Heinz Schwarz and Hartmut Beug and Ursula Günthert and Lukas A. Huber Analysis of Cd44-Containing Lipid Rafts 843 Keith Orford and Caroline C. Orford and Stephen W. Byers Exogenous Expression of $ \beta $-Catenin Regulates Contact Inhibition, Anchorage--Independent Growth, Anoikis, and Radiation--Induced Cell Cycle Arrest 855 Helen Gillham and Matthew C. H. M. Golding and Rainer Pepperkok and William J. Gullick Intracellular Movement of Green Fluorescent Protein--Tagged Phosphatidylinositol 3-Kinase in Response to Growth Factor Receptor Signaling . . . . . . . . . . . . . . . 869 David C. Martin and John L. Fowlkes and Bojana Babic and Rama Khokha Insulin-like Growth Factor II Signaling in Neoplastic Proliferation Is Blocked by Transgenic Expression of the Metalloproteinase Inhibitor Timp-1 . . . 881 Isao Tachibana and Martin E. Hemler Role of Transmembrane 4 Superfamily (Tm4sf) Proteins Cd9 and Cd81 in Muscle Cell Fusion and Myotube Maintenance . . 893
Emmy P. Rogakou and Chye Boon and Christophe Redon and William M. Bonner Megabase Chromatin Domains Involved in DNA Double--Strand Breaks in Vivo . . . 905 Valerie A. Kickhoefer and Amara C. Siva and Nancy L. Kedersha and Elisabeth M. Inman and Cristina Ruland and Michel Streuli and Leonard H. Rome The 193-Kd Vault Protein, Vparp, Is a Novel Poly(Adp--Ribose) Polymerase . . . 917 Jean Schneikert and Susanne Hübner and Elke Martin and Andrew C. B. Cato A Nuclear Action of the Eukaryotic Cochaperone Rap46 in Downregulation of Glucocorticoid Receptor Activity . . . . 929 G. K. T. Chan and S. A. Jablonski and V. Sudakin and J. C. Hittle and T. J. Yen Human Bubr1 Is a Mitotic Checkpoint Kinase That Monitors Cenp-E Functions at Kinetochores and Binds the Cyclosome/APC 941 A. R. Vaillant and I. Mazzoni and C. Tudan and M. Boudreau and D. R. Kaplan and F. D. Miller Depolarization and Neurotrophins Converge on the Phosphatidylinositol 3--Kinase--Akt Pathway to Synergistically Regulate Neuronal Survival . . . . . . . . . . . . . . . . 955 Jesús Espada and Mirna Pérez-Moreno and Vania M. M. Braga and Pablo Rodriguez-Viciana and Amparo Cano H-Ras Activation Promotes Cytoplasmic Accumulation and Phosphoinositide 3-Oh Kinase Association of $ \beta $-Catenin in Epidermal Keratinocytes . . . . . . . 967 Charles B. Shuster and David R. Burgess Parameters That Specify the Timing of Cytokinesis . . . . . . . . . . . . . . 981 Lesley J. Page and Penelope J. Sowerby and Winnie W. Y. Lui and Margaret S. Robinson $ \gamma $-Synergin . . . . . . . . . . 993 C. Fiona Cullen and Peter Deák and David M. Glover and Hiroyuki Ohkura mini spindles . . . . . . . . . . . . . 1005 Chandra L. Theesfeld and Javier E. Irazoqui and Kerry Bloom and Daniel J. Lew The Role of Actin in Spindle Orientation Changes during the \bionameSaccharomyces cerevisiae Cell Cycle . . . . . . . . . 1019 Irina Kaverina and Olga Krylyshkina and J. Victor Small Microtubule Targeting of Substrate Contacts Promotes Their Relaxation and Dissociation . . . . . . . . . . . . . . 1033 P. C. Bridgman Myosin VA Movements in Normal and Dilute--Lethal Axons Provide Support for a Dual Filament Motor Complex . . . . . 1045 Min-gang Li and Madeline Serr and Kevin Edwards and Susan Ludmann and Daisuke Yamamoto and Lewis G. Tilney and Christine M. Field and Thomas S. Hays Filamin Is Required for Ring Canal Assembly and Actin Organization during \bionameDrosophila Oogenesis . . . . . . 1061 Daniela C. Zarnescu and Graham H. Thomas Apical Spectrin Is Essential for Epithelial Morphogenesis but Not Apicobasal Polarity in \bionameDrosophila . . . . . . . . . . . 1075 Joseph E. Italiano and Murray Stewart and Thomas M. Roberts Localized Depolymerization of the Major Sperm Protein Cytoskeleton Correlates with the Forward Movement of the Cell Body in the Amoeboid Movement of Nematode Sperm . . . . . . . . . . . . . 1087 Aneil Mallavarapu and Tim Mitchison Regulated Actin Cytoskeleton Assembly at Filopodium Tips Controls Their Extension and Retraction . . . . . . . . . . . . . 1097 David A. Cheresh and Jie Leng and Richard L. Klemke Regulation of Cell Contraction and Membrane Ruffling by Distinct Signals in Migratory Cells . . . . . . . . . . . . 1107 Wataru Ikeda and Hiroyuki Nakanishi and Jun Miyoshi and Kenji Mandai and Hiroyoshi Ishizaki and Miki Tanaka and Atushi Togawa and Kenichi Takahashi and Hideo Nishioka and Hisahiro Yoshida and Akira Mizoguchi and Shin-ichi Nishikawa and Yoshimi Takai Afadin . . . . . . . . . . . . . . . . . 1117 Heather Zhou and David J. Glass and George D. Yancopoulos and Joshua R. Sanes Distinct Domains of Musk Mediate Its Abilities to Induce and to Associate with Postsynaptic Specializations . . . 1133 Isaac Rabinovitz and Alex Toker and Arthur M. Mercurio Protein Kinase C--Dependent Mobilization of the $ \alpha $6$ \beta $4 Integrin from Hemidesmosomes and Its Association with Actin--Rich Cell Protrusions Drive the Chemotactic Migration of Carcinoma Cells . . . . . . . . . . . . . . . . . 1147 Li Sun and Olugbenga A. Adebanjo and Baljit S. Moonga and Susanne Corisdeo and Hindupur K. Anandatheerthavarada and Gopa Biswas and Toshiya Arakawa and Yoshiyuki Hakeda and Antoliy Koval and Bali Sodam and Peter J. R. Bevis and A. James Moser and F. Anthony Lai and Solomon Epstein and Bruce R. Troen and Masayoshi Kumegawa and Mone Zaidi Cd38\slash Adp-Ribosyl Cyclase . . . . . 1161 C. A. Haney and Z. Sahenk and C. Li and V. P. Lemmon and J. Roder and B. D. Trapp Heterophilic Binding of L1 on Unmyelinated Sensory Axons Mediates Schwann Cell Adhesion and Is Required for Axonal Survival . . . . . . . . . . 1173 Rudolph D. Paladini and Pierre A. Coulombe The Functional Diversity of Epidermal Keratins Revealed by the Partial Rescue of the Keratin 14 Null Phenotype by Keratin 16 . . . . . . . . . . . . . . . 1185
Jason A. Kahana and Don W. Cleveland Beyond Nuclear Transport . . . . . . . . 1205 Nicolas Sadoni and Sabine Langer and Christine Fauth and Giorgio Bernardi and Thomas Cremer and Bryan M. Turner and Daniele Zink Nuclear Organization of Mammalian Genomes . . . . . . . . . . . . . . . . 1211 Thomas Beck and Anja Schmidt and Michael N. Hall Starvation Induces Vacuolar Targeting and Degradation of the Tryptophan Permease in Yeast . . . . . . . . . . . 1227 Rafael García-Mata and Zsuzsa Bebök and Eric J. Sorscher and Elizabeth S. Sztul Characterization and Dynamics of Aggresome Formation by a Cytosolic Gfp--Chimera . . . . . . . . . . . . . . 1239 Maria Elena Bottazzi and Xiaoyun Zhu and Ralph M. Böhmer and Richard K. Assoian Regulation of P21$^{\rm cip1}$ Expression by Growth Factors and the Extracellular Matrix Reveals a Role for Transient ERK Activity in G1 Phase . . . 1255 Stephen L. Rogers and Ryan L. Karcher and Joseph T. Roland and Alexander A. Minin and Walter Steffen and Vladimir I. Gelfand Regulation of Melanosome Movement in the Cell Cycle by Reversible Association with Myosin V . . . . . . . . . . . . . 1265 Amena Rahman and Adeela Kamal and Elizabeth A. Roberts and Lawrence S. B. Goldstein Defective Kinesin Heavy Chain Behavior in Mouse Kinesin Light Chain Mutants . . 1277 Niklas Larsson and Bo Segerman and Bonnie Howell and Kajsa Fridell and Lynne Cassimeris and Martin Gullberg Op18\slash Stathmin Mediates Multiple Region--Specific Tubulin and Microtubule--Regulating Activities . . . 1289 Brooke M. McCartney and Herman A. Dierick and Catherine Kirkpatrick and Melissa M. Moline and Annette Baas and Mark Peifer and Amy Bejsovec Drosophila Apc2 Is a Cytoskeletally--Associated Protein That Regulates Wingless Signaling in the Embryonic Epidermis . . . . . . . . . . 1303 Coumaran Egile and Thomas P. Loisel and Valérie Laurent and Rong Li and Dominique Pantaloni and Philippe J. Sansonetti and Marie-France Carlier Activation of the Cdc42 Effector N-Wasp by the \bionameShigella flexneri Icsa Protein Promotes Actin Nucleation by Arp2/3 Complex and Bacterial Actin-Based Motility . . . . . . . . . . . . . . . . 1319 Jennifer R. Robbins and Angela I. Barth and Hél\`ene Marquis and Eugenio L. de Hostos and W. James Nelson and Julie A. Theriot \bionameListeria monocytogenes Exploits Normal Host Cell Processes to Spread from Cell to Cell . . . . . . . . . . . 1333 Yihong Ye and Mark E. Fortini Apoptotic Activities of Wild-Type and Alzheimer's Disease-Related Mutant Presenilins in \bionameDrosophila melanogaster . . . . . . . . . . . . . . 1351 H. Ueda and J. M. Levine and R. H. Miller and B. D. Trapp Rat Optic Nerve Oligodendrocytes Develop in the Absence of Viable Retinal Ganglion Cell Axons . . . . . . . . . . 1365 Tsuyoshi Sugiura and Fedor Berditchevski Function of $ \alpha $3$ \beta $1--Tetraspanin Protein Complexes in Tumor Cell Invasion. Evidence for the Role of the Complexes in Production of Matrix Metalloproteinase 2 (Mmp-2) . . . 1375
Jane C. Stinchcombe and Gillian M. Griffiths Regulated Secretion from Hemopoietic Cells . . . . . . . . . . . . . . . . . 1 Y. Altschuler and S.-H. Liu and L. Katz and K. Tang and S. Hardy and F. Brodsky and G. Apodaca and K. Mostov Adp-Ribosylation Factor 6 and Endocytosis at the Apical Surface of Madin--Darby Canine Kidney Cells . . . . 7 Pernette J. Verschure and Ineke van der Kraan and Erik M. M. Manders and Roel van Driel Spatial Relationship between Transcription Sites and Chromosome Territories . . . . . . . . . . . . . . 13 M. Cristina Cardoso and Heinrich Leonhardt DNA Methyltransferase Is Actively Retained in the Cytoplasm during Early Development . . . . . . . . . . . . . . 25 Stefan Richter and Gayle K. Lamppa Stromal Processing Peptidase Binds Transit Peptides and Initiates Their ATP-Dependent Turnover in Chloroplasts 33 Caroline E. Shamu and Craig M. Story and Tom A. Rapoport and Hidde L. Ploegh The Pathway of Us11-Dependent Degradation of Mhc Class I Heavy Chains Involves a Ubiquitin--Conjugated Intermediate . . . . . . . . . . . . . . 45 H. L. Zhang and R. H. Singer and G. J. Bassell Neurotrophin Regulation of $ \beta $-Actin mRNA and Protein Localization within Growth Cones . . . . . . . . . . 59 Hongran Fan and Paul A. Khavari Sonic Hedgehog Opposes Epithelial Cell Cycle Arrest . . . . . . . . . . . . . . 71 Frank E. Jones and Thomas Welte and Xin-Yuan Fu and David F. Stern Erbb4 Signaling in the Mammary Gland Is Required for Lobuloalveolar Development and Stat5 Activation during Lactation 77 Julio A. Aguirre Ghiso and Katherine Kovalski and Liliana Ossowski Tumor Dormancy Induced by Downregulation of Urokinase Receptor in Human Carcinoma Involves Integrin and MAPK Signaling . . 89 Hidemitsu Harada and Päivi Kettunen and Han-Sung Jung and Tuija Mustonen and Y. Alan Wang and Irma Thesleff Localization of Putative Stem Cells in Dental Epithelium and Their Association with Notch and Fgf Signaling . . . . . . 105 I. Imafuku and T. Masaki and M. Waragai and S. Takeuchi and M. Kawabata and S.-i. Hirai and S. Ohno and L. E. Nee and C. F. Lippa and I. Kanazawa and M. Imagawa and H. Okazawa Presenilin 1 Suppresses the Function of C-Jun Homodimers via Interaction with Qm/Jif-1 . . . . . . . . . . . . . . . . 121 Pierre Gönczy and Silke Pichler and Matthew Kirkham and Anthony A. Hyman Cytoplasmic Dynein Is Required for Distinct Aspects of Mtoc Positioning, Including Centrosome Separation, in the One Cell Stage \bionameCaenorhabditis elegans Embryo . . . . . . . . . . . . . 135 Xiaolu Wang and Mark Kibschull and Michael M. Laue and Beate Lichte and Elisabeth Petrasch-Parwez and Manfred W. Kilimann Aczonin, a 550-Kd Putative Scaffolding Protein of Presynaptic Active Zones, Shares Homology Regions with Rim and Bassoon and Binds Profilin . . . . . . . 151 Pierre-Alain Delley and Michael N. Hall Cell Wall Stress Depolarizes Cell Growth via Hyperactivation of Rho1 . . . . . . 163 Laurence Abrami and F. Gisou van der Goot Plasma Membrane Microdomains Act as Concentration Platforms to Facilitate Intoxication by Aerolysin . . . . . . . 175 Kazumasa Morita and Hiroyuki Sasaki and Mikio Furuse and Shoichiro Tsukita Endothelial Claudin . . . . . . . . . . 185 Noriyuki Sonoda and Mikio Furuse and Hiroyuki Sasaki and Shigenobu Yonemura and Jun Katahira and Yasuhiko Horiguchi and Shoichiro Tsukita Clostridium perfringens Enterotoxin Fragment Removes Specific Claudins from Tight Junction Strands . . . . . . . . . 195
Madalena Tarsounas and Takashi Morita and Ronald E. Pearlman and Peter B. Moens Rad51 and Dmc1 Form Mixed Complexes Associated with Mouse Meiotic Chromosome Cores and Synaptonemal Complexes . . . . 207 Alexander M. Ishov and Alexey G. Sotnikov and Dmitri Negorev and Olga V. Vladimirova and Norma Neff and Tetsu Kamitani and Edward T. H. Yeh and Jerome F. Strauss and Gerd G. Maul Pml Is Critical for Nd10 Formation and Recruits the Pml--Interacting Protein Daxx to This Nuclear Structure When Modified by Sumo-1 . . . . . . . . . . . 221 Anton A. Titov and Günter Blobel The Karyopherin Kap122p/Pdr6p Imports Both Subunits of the Transcription Factor IIA into the Nucleus . . . . . . 235 Sunjong Kwon and Elisa Barbarese and John H. Carson The Cis--Acting RNA Trafficking Signal from Myelin Basic Protein mRNA and Its Cognate Trans--Acting Ligand Hnrnp A2 Enhance CaP--Dependent Translation . . . 247 Veit Goder and Christoph Bieri and Martin Spiess Glycosylation Can Influence Topogenesis of Membrane Proteins and Reveals Dynamic Reorientation of Nascent Polypeptides within the Translocon . . . . . . . . . 257 Macie B. Walker and Laura M. Roy and Eric Coleman and Rodger Voelker and Alice Barkan The Maize tha4 Gene Functions in Sec--Independent Protein Transport in Chloroplasts and Is Related to hcf106, tatA, and tatB . . . . . . . . . . . . . 267 Wim G. Annaert and Lyne Levesque and Kathleen Craessaerts and Inge Dierinck and Greet Snellings and David Westaway and Peter St. George-Hyslop and Barbara Cordell and Paul Fraser and Bart De Strooper Presenilin 1 Controls $ \gamma $-Secretase Processing of Amyloid Precursor Protein in Pre-Golgi Compartments of Hippocampal Neurons . . 277 Nobuaki Furuno and Nicole den Elzen and Jonathon Pines Human Cyclin a Is Required for Mitosis until Mid Prophase . . . . . . . . . . . 295 D. Mark Eckley and Steven R. Gill and Karin A. Melkonian and James B. Bingham and Holly V. Goodson and John E. Heuser and Trina A. Schroer Analysis of Dynactin Subcomplexes Reveals a Novel Actin--Related Protein Associated with the Arp1 Minifilament Pointed End . . . . . . . . . . . . . . 307 N. J. Quintyne and S. R. Gill and D. M. Eckley and C. L. Crego and D. A. Compton and T. A. Schroer Dynactin Is Required for Microtubule Anchoring at Centrosomes . . . . . . . . 321 Frank R. Cottingham and Larisa Gheber and Dana L. Miller and M. Andrew Hoyt Novel Roles for \bionameSaccharomyces cerevisiae Mitotic Spindle Motors . . . 335 Vicki Mountain and Calvin Simerly and Louisa Howard and Asako Ando and Gerald Schatten and Duane A. Compton The Kinesin--Related Protein, Hset, Opposes the Activity of Eg5 and Cross--Links Microtubules in the Mammalian Mitotic Spindle . . . . . . . 351 Richard W. Nelson and Barry M. Gumbiner A Cell--Free Assay System for $ \beta $-Catenin Signaling That Recapitulates Direct Inductive Events in the Early \bionameXenopus laevis Embryo . . . . . 367 Matthias M. Ledig and Fawaz Haj and John L. Bixby and Andrew W. Stoker and Bernhard K. Mueller The Receptor Tyrosine Phosphatase Cryp$ \alpha $ Promotes Intraretinal Axon Growth . . . . . . . . . . . . . . . . . 375 Xue-Qing Wang and Frederik P. Lindberg and William A. Frazier Integrin-Associated Protein Stimulates $ \alpha $2$ \beta $1-Dependent Chemotaxis via GI--Mediated Inhibition of Adenylate Cyclase and Extracellular--Regulated Kinases . . . . . . . . . . . . . . . . 389 Johanna Ivaska and Hilkka Reunanen and Jukka Westermarck and Leeni Koivisto and Veli-Matti Kähäri and Jyrki Heino Integrin $ \alpha $2$ \beta $1 Mediates Isoform--Specific Activation of p38 and Upregulation of Collagen Gene Transcription by a Mechanism Involving the $ \alpha $2 Cytoplasmic Tail . . . . 401 Dirk Geerts and Lionel Fontao and Mirjam G. Nievers and Roel Q. J. Schaapveld and Patricia E. Purkis and Grant N. Wheeler and E. Birgitte Lane and Irene M. Leigh and Arnoud Sonnenberg Binding of Integrin $ \alpha $6$ \beta $4 to Plectin Prevents Plectin Association with F--Actin but Does Not Interfere with Intermediate Filament Binding . . . . . . . . . . . . . . . . 417 Takayoshi Kirisako and Misuzu Baba and Naotada Ishihara and Kouichi Miyazawa and Mariko Ohsumi and Tamotsu Yoshimori and Takeshi Noda and Yoshinori Ohsumi Formation Process of Autophagosome Is Traced with Apg8/Aut7p in Yeast . . . . 435 Peter W. Janes and Steven C. Ley and Anthony I. Magee Aggregation of Lipid Rafts Accompanies Signaling via the T Cell Antigen Receptor . . . . . . . . . . . . . . . . 447
Douglas G. Cole Kinesin-Ii, Coming and Going . . . . . . 463 Minoru Fukuda and Nobuyoshi Hiraoka and Jiunn-Chern Yeh C-Type Lectins and Sialyl Lewis X Oligosaccharides . . . . . . . . . . . . 467 Landon L. Moore and Mike Morrison and Mark B. Roth Hcp-1, a Protein Involved in Chromosome Segregation, Is Localized to the Centromere of Mitotic Chromosomes in \bionameCaenorhabditis elegans . . . . . 471 Aruna Purohit and Sharon H. Tynan and Richard Vallee and Stephen J. Doxsey Direct Interaction of Pericentrin with Cytoplasmic Dynein Light Intermediate Chain Contributes to Mitotic Spindle Organization . . . . . . . . . . . . . . 481 Nira Pollock and Eugenio L. de Hostos and Christoph W. Turck and Ronald D. Vale Reconstitution of Membrane Transport Powered by a Novel Dimeric Kinesin Motor of the Unc104/Kif1a Family Purified from \bionameDictyostelium . . . . . . . . . 493 Krishanu Ray and Sharon E. Perez and Zhaohuai Yang and Jenny Xu and Bruce W. Ritchings and Hermann Steller and Lawrence S. B. Goldstein Kinesin-II Is Required for Axonal Transport of Choline Acetyltransferase in \bionameDrosophila . . . . . . . . . 507 Dawn Signor and Karen P. Wedaman and Jose T. Orozco and Noelle D. Dwyer and Cornelia I. Bargmann and Lesilee S. Rose and Jonathan M. Scholey Role of a Class Dhc1b Dynein in Retrograde Transport of Ift Motors and Ift Raft Particles along Cilia, but Not Dendrites, in Chemosensory Neurons of Living \bionameCaenorhabditis elegans 519 Jean-Martin Beaulieu and Minh Dang Nguyen and Jean-Pierre Julien Late Onset Death of Motor Neurons in Mice Overexpressing Wild--Type Peripherin . . . . . . . . . . . . . . . 531 Ana Olivera and Takafumi Kohama and Lisa Edsall and Victor Nava and Olivier Cuvillier and Samantha Poulton and Sarah Spiegel Sphingosine Kinase Expression Increases Intracellular Sphingosine-1-Phosphate and Promotes Cell Growth and Survival 545 Chang Y. Chung and Richard A. Firtel Paka, a Putative Pak Family Member, Is Required for Cytokinesis and the Regulation of the Cytoskeleton in \bionameDictyostelium discoideum Cells during Chemotaxis . . . . . . . . . . . 559 Ellen F. Foxman and Eric J. Kunkel and Eugene C. Butcher Integrating Conflicting Chemotactic Signals . . . . . . . . . . . . . . . . 577 R. Bryan Sutton and James A. Ernst and Axel T. Brunger Crystal Structure of the Cytosolic C2a--C2b Domains of Synaptotagmin III 589 Clotilde Théry and Armelle Regnault and Jérôme Garin and Joseph Wolfers and Laurence Zitvogel and Paola Ricciardi-Castagnoli and Graça Raposo and Sebastian Amigorena Molecular Characterization of Dendritic Cell--Derived Exosomes . . . . . . . . . 599 Mark W. Renshaw and Leo S. Price and Martin Alexander Schwartz Focal Adhesion Kinase Mediates the Integrin Signaling Requirement for Growth Factor Activation of Map Kinase 611 Neil O. Carragher and Bodo Levkau and Russell Ross and Elaine W. Raines Degraded Collagen Fragments Promote Rapid Disassembly of Smooth Muscle Focal Adhesions That Correlates with Cleavage of Pp125$^{\rm FAK}$, Paxillin, and Talin . . . . . . . . . . . . . . . . . 619 Marvin T. Nieman and Ryan S. Prudoff and Keith R. Johnson and Margaret J. Wheelock N-Cadherin Promotes Motility in Human Breast Cancer Cells Regardless of Their E--Cadherin Expression . . . . . . . . . 631 Derek J. Blake and Richard Hawkes and Matthew A. Benson and Phillip W. Beesley Different Dystrophin-like Complexes Are Expressed in Neurons and Glia . . . . . 645 K. Haug-Collet and B. Pearson and R. Webel and R. T. Szerencsei and R. J. Winkfein and P. P. M. Schnetkamp and N. J. Colley Cloning and Characterization of a Potassium-Dependent Sodium/Calcium Exchanger in \bionameDrosophila . . . . 659 Minna M. Poranen and Rimantas Daugelavi\vcius and Päivi M. Ojala and Michael W. Hess and Dennis H. Bamford A Novel Virus--Host Cell Membrane Interaction . . . . . . . . . . . . . . 671 Ariel Blocker and Pierre Gounon and Eric Larquet and Kirsten Niebuhr and Véronique Cabiaux and Claude Parsot and Philippe Sansonetti The Tripartite Type III Secreton of Shigella flexneri Inserts Ipab and Ipac into Host Membranes . . . . . . . . . . 683
Charles P. Ordahl Myogenic Shape--Shifters . . . . . . . . 695 Hiromi Sesaki and Robert E. Jensen Division versus Fusion: Dnm1p and Fzo1p Antagonistically Regulate Mitochondrial Shape . . . . . . . . . . . . . . . . . 699 Li Zeng and Luca D'Alessandri and Markus B. Kalousek and Lloyd Vaughan and Catherine J. Pallen Protein Tyrosine Phosphatase $ \alpha $ (Ptp$ \alpha $) and Contactin Form a Novel Neuronal Receptor Complex Linked to the Intracellular Tyrosine Kinase Fyn 707 Teresa Carvalho and Fátima Almeida and Alexandre Calapez and Miguel Lafarga and Maria T. Berciano and Maria Carmo-Fonseca The Spinal Muscular Atrophy Disease Gene Product, Smn . . . . . . . . . . . . . . 715 Susan M. VanRheenen and Xiaochun Cao and Stephanie K. Sapperstein and Elbert C. Chiang and Vladimir V. Lupashin and Charles Barlowe and M. Gerard Waters Sec34p, a Protein Required for Vesicle Tethering to the Yeast Golgi Apparatus, Is in a Complex with Sec35p . . . . . . 729 Jamie White and Ludger Johannes and Frédéric Mallard and Andreas Girod and Stephan Grill and Sigrid Reinsch and Patrick Keller and Barbara Tzschaschel and Arnaud Echard and Bruno Goud and Ernst H. K. Stelzer Rab6 Coordinates a Novel Golgi to ER Retrograde Transport Pathway in Live Cells . . . . . . . . . . . . . . . . . 743 Chia-Che Chang and Daniel S. Warren and Katherine A. Sacksteder and Stephen J. Gould Pex12 Interacts with Pex5 and Pex10 and Acts Downstream of Receptor Docking in Peroxisomal Matrix Protein Import . . . 761 Christoph Driessen and Rebecca A. R. Bryant and Ana-Maria Lennon-Duménil and José A. Villadangos and Paula Wolf Bryant and Guo-Ping Shi and Harold A. Chapman and Hidde L. Ploegh Cathepsin S Controls the Trafficking and Maturation of Mhc Class II Molecules in Dendritic Cells . . . . . . . . . . . . 775 Daniel Schott and Jackson Ho and David Pruyne and Anthony Bretscher The Cooh--Terminal Domain of Myo2p, a Yeast Myosin V, Has a Direct Role in Secretory Vesicle Targeting . . . . . . 791 Ruth M. Kluck and Mauro Degli Esposti and Guy Perkins and Christian Renken and Tomomi Kuwana and Ella Bossy-Wetzel and Martin Goldberg and Terry Allen and Michael J. Barber and Douglas R. Green and Donald D. Newmeyer The Pro--Apoptotic Proteins, Bid and Bax, Cause a Limited Permeabilization of the Mitochondrial Outer Membrane That Is Enhanced by Cytosol . . . . . . . . . . 809 Li Fang and Sam W. Lee and Stuart A. Aaronson Comparative Analysis of P73 and P53 Regulation and Effector Functions . . . 823 William B. Kiosses and R. Hugh Daniels and Carol Otey and Gary M. Bokoch and Martin Alexander Schwartz A Role for P21-Activated Kinase in Endothelial Cell Migration . . . . . . . 831 Stephen P. Holly and Kendall J. Blumer Pak-Family Kinases Regulate Cell and Actin Polarization Throughout the Cell Cycle of \bionameSaccharomyces cerevisiae . . . . . . . . . . . . . . . 845 Fabienne Fava and Brigitte Raynaud-Messina and Jeanne Leung-Tack and Laurent Mazzolini and Min Li and Jean Claude Guillemot and Didier Cachot and Yvette Tollon and Pascual Ferrara and Michel Wright Human 76p . . . . . . . . . . . . . . . 857 Luciana De Angelis and Libera Berghella and Marcello Coletta and Laura Lattanzi and Malvina Zanchi and M. Gabriella and Carola Ponzetto and Giulio Cossu Skeletal Myogenic Progenitors Originating from Embryonic Dorsal Aorta Coexpress Endothelial and Myogenic Markers and Contribute to Postnatal Muscle Growth and Regeneration . . . . . 869 Peter J. Mohler and Silvia M. Kreda and Richard C. Boucher and Marius Sudol and M. Jackson Stutts and Sharon L. Milgram Yes-Associated Protein 65 Localizes P62$^{c - - Yes}$ to the Apical Compartment of Airway Epithelia by Association with Ebp50 . . . . . . . . . 879 Mikio Furuse and Hiroyuki Sasaki and Shoichiro Tsukita Manner of Interaction of Heterogeneous Claudin Species within and between Tight Junction Strands . . . . . . . . . . . . 891
Sanford M. Simon An Award for Cell Biology . . . . . . . 1 Adriana Verschoor and Trevor Lithgow A First Glimpse at the Structure of the Tom Translocase from the Mitochondrial Outer Membrane . . . . . . . . . . . . . 905 Bjorn R. Olsen Life without Perlecan Has Its Problems 909 Teresa Sullivan and Diana Escalante-Alcalde and Harshida Bhatt and Miriam Anver and Narayan Bhat and Kunio Nagashima and Colin L. Stewart and Brian Burke Loss of a--Type Lamin Expression Compromises Nuclear Envelope Integrity Leading to Muscular Dystrophy . . . . . 913 Takashi Tatsumoto and Xiaozhen Xie and Rayah Blumenthal and Isamu Okamoto and Toru Miki Human Ect2 Is an Exchange Factor for Rho GTPases, Phosphorylated in G2/M Phases, and Involved in Cytokinesis . . . . . . 921 Charles C. Fink and Boris Slepchenko and Ion I. Moraru and James Schaff and James Watras and Leslie M. Loew Morphological Control of Inositol--1,4,5--Trisphosphate--Dependent Signals 929 Stefan Kappe and Thomas Bruderer and Soren Gantt and Hisashi Fujioka and Victor Nussenzweig and Robert Ménard Conservation of a Gliding Motility and Cell Invasion Machinery in Apicomplexan Parasites . . . . . . . . . . . . . . . 937 Paloma Más and Roger N. Beachy Replication of Tobacco Mosaic Virus on Endoplasmic Reticulum and Role of the Cytoskeleton and Virus Movement Protein in Intracellular Distribution of Viral RNA . . . . . . . . . . . . . . . . . . 945 Uwe Ahting and Clemens Thun and Reiner Hegerl and Dieter Typke and Frank E. Nargang and Walter Neupert and Stephan Nussberger The Tom Core Complex . . . . . . . . . . 959 Akiharu Kubo and Hiroyuki Sasaki and Akiko Yuba-Kubo and Shoichiro Tsukita and Nobuyuki Shiina Centriolar Satellites . . . . . . . . . 969 Erica S. Johnson and Günter Blobel Cell Cycle--Regulated Attachment of the Ubiquitin--Related Protein Sumo to the Yeast Septins . . . . . . . . . . . . . 981 Shmuel Tuvia and Mona Buhusi and Lydia Davis and Mary Reedy and Vann Bennett Ankyrin-B Is Required for Intracellular Sorting of Structurally Diverse Ca$^{2+}$ Homeostasis Proteins . . . . . 995 Eva E. Sander and Jean P. ten Klooster and Sanne van Delft and Rob A. van der Kammen and John G. Collard Rac Downregulates Rho Activity . . . . . 1009 Yoji Kawano and Yuko Fukata and Noriko Oshiro and Mutsuki Amano and Toshikazu Nakamura and Masaaki Ito and Fumio Matsumura and Masaki Inagaki and Kozo Kaibuchi Phosphorylation of Myosin--Binding Subunit (Mbs) of Myosin Phosphatase by Rho--Kinase in Vivo . . . . . . . . . . 1023 Wenchuan Liang and Hans M. Warrick and James A. Spudich A Structural Model for Phosphorylation Control of \bionameDictyostelium Myosin II Thick Filament Assembly . . . . . . . 1039 Cédric Raoul and Christopher E. Henderson and Brigitte Pettmann Programmed Cell Death of Embryonic Motoneurons Triggered through the FAS Death Receptor . . . . . . . . . . . . . 1049 Robin E. Bachelder and Mark J. Ribick and Alessandra Marchetti and Rita Falcioni and Silvia Soddu and Kathryn R. Davis and Arthur M. Mercurio P53 Inhibits $ \alpha 6 \beta 4 $ Integrin Survival Signaling by Promoting the Caspase 3-Dependent Cleavage of Akt/PKB . . . . . . . . . . . . . . . . 1063 Shaoqing Tang and Yunling Gao and J. Anthony Ware Enhancement of Endothelial Cell Migration and in Vitro Tube Formation by Tap20, a Novel $ \beta $5 Integrin--Modulating, Pkc$ \theta $-Dependent Protein . . . . . . . . . . 1073 Minyi Gu and Xiaodong Xi and Graham D. Englund and Michael C. Berndt and Xiaoping Du Analysis of the Roles of 14-3-3 in the Platelet Glycoprotein Ib--IX--Mediated Activation of Integrin $ \alpha_{IIb} $ $ \beta_3 $ Using a Reconstituted Mammalian Cell Expression Model . . . . 1085 Kimitoshi Yagami and Jo-Young Suh and Motomi Enomoto-Iwamoto and Eiki Koyama and William R. Abrams and Irving M. Shapiro and Maurizio Pacifici and Masahiro Iwamoto Matrix Gla Protein Is a Developmental Regulator of Chondrocyte Mineralization And, When Constitutively Expressed, Blocks Endochondral and Intramembranous Ossification in the Limb . . . . . . . . 1097 Mercedes Costell and Erika Gustafsson and Attila Aszódi and Matthias Mörgelin and Wilhelm Bloch and Ernst Hunziker and Klaus Addicks and Rupert Timpl and Reinhard Fässler Perlecan Maintains the Integrity of Cartilage and Some Basement Membranes 1109
Ben A. Barres and Martin C. Raff Axonal Control of Oligodendrocyte Development . . . . . . . . . . . . . . 1123 Carmen Blanco-Aparicio and Josema Torres and Rafael Pulido A Novel Regulatory Mechanism of Map Kinases Activation and Nuclear Translocation Mediated by Pka and the Ptp--Sl Tyrosine Phosphatase . . . . . . 1129 Heinrich J. G. Matthies and Lisa G. Messina and Ruria Namba and Kimberly J. Greer and M. Y. Walker and R. Scott Hawley Mutations in the $ \alpha $-Tubulin 67C Gene Specifically Impair Achiasmate Segregation in \bionameDrosophila melanogaster . . . . . . . . . . . . . . 1137 Jeffrey L. Dupree and Jean-Antoine Girault and Brian Popko Axo-Glial Interactions Regulate the Localization of Axonal Paranodal Proteins . . . . . . . . . . . . . . . . 1145 Angela Taddei and Dani\`ele Roche and Jean-Baptiste Sibarita and Bryan M. Turner and Genevi\`eve Almouzni Duplication and Maintenance of Heterochromatin Domains . . . . . . . . 1153 Philippe Collas and Katherine Le Guellec and Kjetil Taskén The a--Kinase--Anchoring Protein Akap95 Is a Multivalent Protein with a Key Role in Chromatin Condensation at Mitosis . . 1167 Bernard Charroux and Livio Pellizzoni and Robert A. Perkinson and Andrej Shevchenko and Matthias Mann and Gideon Dreyfuss Gemin3 . . . . . . . . . . . . . . . . . 1181 Atsushi Yamaguchi and Osamu Hori and David M. Stern and Enno Hartmann and Satoshi Ogawa and Masaya Tohyama Stress-Associated Endoplasmic Reticulum Protein 1 (Serp1)/Ribosome-Associated Membrane Protein 4 (Ramp4) Stabilizes Membrane Proteins during Stress and Facilitates Subsequent Glycosylation . . 1195 Cecilia Alvarez and Hideaki Fujita and Ann Hubbard and Elizabeth Sztul ER to Golgi Transport . . . . . . . . . 1205 Chih-Ying Chen and Michael F. Ingram and Peter H. Rosal and Todd R. Graham Role for Drs2p, a P--Type Atpase and Potential Aminophospholipid Translocase, in Yeast Late Golgi Function . . . . . . 1223 Tracy L. Adair-Kirk and Kathleen H. Cox and John V. Cox Intracellular Trafficking of Variant Chicken Kidney Ae1 Anion Exchangers . . 1237 Elaine A. Neale and Linda M. Bowers and Min Jia and Karen E. Bateman and Lura C. Williamson Botulinum Neurotoxin a Blocks Synaptic Vesicle Exocytosis but Not Endocytosis at the Nerve Terminal . . . . . . . . . 1249 Shuo Ma and Leda Triviños-Lagos and Ralph Gräf and Rex L. Chisholm Dynein Intermediate Chain Mediated Dynein--Dynactin Interaction Is Required for Interphase Microtubule Organization and Centrosome Replication and Separation in \bionameDictyostelium . . 1261 Conrad L. Leung and Dongming Sun and Min Zheng and David R. Knowles and Ronald K. H. Liem Microtubule Actin Cross--Linking Factor (Macf) . . . . . . . . . . . . . . . . . 1275 Marilyn C. Hart and John A. Cooper Vertebrate Isoforms of Actin Capping Protein $ \beta $ Have Distinct Functions in Vivo . . . . . . . . . . . 1287 Joseph E. Italiano and Patrick Lecine and Ramesh A. Shivdasani and John H. Hartwig Blood Platelets Are Assembled Principally at the Ends of Proplatelet Processes Produced by Differentiated Megakaryocytes . . . . . . . . . . . . . 1299 Catherine G. Galbraith and Michael P. Sheetz Keratocytes Pull with Similar Forces on Their Dorsal and Ventral Surfaces . . . 1313 Clotilde Gimond and Arjan van der Flier and Sanne van Delft and Cord Brakebusch and Ingrid Kuikman and John G. Collard and Reinhard Fässler and Arnoud Sonnenberg Induction of Cell Scattering by Expression of $ \beta $1 Integrins in $ \beta $1-Deficient Epithelial Cells Requires Activation of Members of the Rho Family of Gtpases and Downregulation of Cadherin and Catenin Function . . . . 1325 Nand K. Relan and Yan Yang and Safedin Beqaj and Jeffrey H. Miner and Lucia Schuger Cell Elongation Induces Laminin $ \alpha $2 Chain Expression in Mouse Embryonic Mesenchymal Cells . . . . . . . . . . . 1341 Masahiko Itoh and Mikio Furuse and Kazumasa Morita and Koji Kubota and Mitinori Saitou and Shoichiro Tsukita Direct Binding of Three Tight Junction--Associated Maguks, Zo-1, Zo-2, and Zo-3, with the Cooh Termini of Claudins . . . . . . . . . . . . . . . . 1351
Jan P. Tuckermann and Holger M. Reichardt and Rosa Arribas and K. Hartmut Richter and Günther Schütz and Peter Angel The DNA Binding--Independent Function of the Glucocorticoid Receptor Mediates Repression of Ap-1--Dependent Genes in Skin . . . . . . . . . . . . . . . . . . 1365 Smruti J. Vidwans and Mei Lie Wong and Patrick H. O'Farrell Mitotic Regulators Govern Progress through Steps in the Centrosome Duplication Cycle . . . . . . . . . . . 1371 Margherita Doria and Anna Elisabetta Salcini and Emanuela Colombo and Tristram G. Parslow and Pier Giuseppe Pelicci and Pier Paolo Di Fiore The Eps15 Homology (Eh) Domain--Based Interaction between Eps15 and Hrb Connects the Molecular Machinery of Endocytosis to That of Nucleocytosolic Transport . . . . . . . . . . . . . . . 1379 Thomas Wendt and Dianne Taylor and Terri Messier and Kathleen M. Trybus and Kenneth A. Taylor Visualization of Head--Head Interactions in the Inhibited State of Smooth Muscle Myosin . . . . . . . . . . . . . . . . . 1385 Ji Li and Richard Mayne and Chuanyue Wu A Novel Muscle--Specific $ \beta $1 Integrin Binding Protein (Mibp) That Modulates Myogenic Differentiation . . . 1391 Jacqueline E. Mermoud and Carl Costanzi and John R. Pehrson and Neil Brockdorff Histone Macroh2a1.2 Relocates to the Inactive X Chromosome after Initiation and Propagation of X--Inactivation . . . 1399 Klara Weipoltshammer and Christian Schöfer and Marlene Almeder and Vlada V. Philimonenko and Klemens Frei and Franz Wachtler and Pavel Hozák Intranuclear Anchoring of Repetitive DNA Sequences . . . . . . . . . . . . . . . 1409 Masamichi Shiraga and Alec Ritchie and Sallouha Aidoudi and Veronique Baron and David Wilcox and Gilbert White and Belen Ybarrondo and George Murphy and Andrew Leavitt and Sanford Shattil Primary Megakaryocytes Reveal a Role for Transcription Factor Nf--E2 in Integrin $ \alpha $ iib$ \beta $3 Signaling . . . 1419 Nancy L. Kedersha and Mita Gupta and Wei Li and Ira Miller and Paul Anderson RNA-Binding Proteins Tia-1 and Tiar Link the Phosphorylation of Eif-2$ \alpha $ to the Assembly of Mammalian Stress Granules . . . . . . . . . . . . . . . . 1431 Pauline Gillece and José Manuel Luz and William J. Lennarz and Francisco Javier de la Cruz and Karin Römisch Export of a Cysteine--Free Misfolded Secretory Protein from the Endoplasmic Reticulum for Degradation Requires Interaction with Protein Disulfide Isomerase . . . . . . . . . . . . . . . 1443 Chung-Chih Lin and Harold D. Love and Jennifer N. Gushue and John J. M. Bergeron and Joachim Ostermann ER\slash Golgi Intermediates Acquire Golgi Enzymes by Brefeldin a--Sensitive Retrograde Transport in Vitro . . . . . 1457 Miyuki Nishi and Shinji Komazaki and Nagomi Kurebayashi and Yasuo Ogawa and Tetsuo Noda and Masamitsu Iino and Hiroshi Takeshima Abnormal Features in Skeletal Muscle from Mice Lacking Mitsugumin29 . . . . . 1473 Kevin W. Trotter and Iain D. C. Fraser and Gregory K. Scott and M. Jackson Stutts and John D. Scott and Sharon L. Milgram Alternative Splicing Regulates the Subcellular Localization of a--Kinase Anchoring Protein 18 Isoforms . . . . . 1481 Manuel K. A. Bauer and Alexis Schubert and Oliver Rocks and Stefan Grimm Adenine Nucleotide Translocase-1, a Component of the Permeability Transition Pore, Can Dominantly Induce Apoptosis 1493 Åsa E. Y. Engqvist-Goldstein and Michael M. Kessels and Vikramjit S. Chopra and Michael R. Hayden and David G. Drubin An Actin-Binding Protein of the Sla2/Huntingtin Interacting Protein 1 Family Is a Novel Component of Clathrin-Coated Pits and Vesicles . . . 1503 Tomoyuki Sumi and Kunio Matsumoto and Yoshimi Takai and Toshikazu Nakamura Cofilin Phosphorylation and Actin Cytoskeletal Dynamics Regulated by Rho- and Cdc42-Activated Lim--Kinase 2 . . . 1519 Vera Lúcia Bonilha and Silvia C. Finnemann and Enrique Rodriguez-Boulan Ezrin Promotes Morphogenesis of Apical Microvilli and Basal Infoldings in Retinal Pigment Epithelium . . . . . . . 1533 Beth E. Drees and Katy M. Andrews and Mary C. Beckerle Molecular Dissection of Zyxin Function Reveals Its Involvement in Cell Motility 1549 Lila R. Collins and William A. Ricketts and Linda Yeh and David Cheresh Bifurcation of Cell Migratory and Proliferative Signaling by the Adaptor Protein Shc . . . . . . . . . . . . . . 1561 Michelangelo Cordenonsi and Fabio D'Atri and Eva Hammar and David A. D. Parry and John Kendrick-Jones and David Shore and Sandra Citi Cingulin Contains Globular and Coiled--Coil Domains and Interacts with Zo-1, Zo-2, Zo-3, and Myosin . . . . . . 1569