Biogenesis of N-cadherin-dependent cell-cell contacts in living fibroblasts is a microtubule-dependent kinesin-driven mechanism.

abstract：:The preemptive quality control (pQC) pathway protects cells from acute endoplasmic reticulum (ER) stress by attenuating translocation of nascent proteins despite their targeting to translocons at the ER membrane. Here, we investigate the hypothesis that the DnaJ protein p58(IPK) plays an essential role in this process...

journal_title：Molecular biology of the cell

authors： Rutkowski DT,Kang SW,Goodman AG,Garrison JL,Taunton J,Katze MG,Kaufman RJ,Hegde RS

更新日期：2007-09-01 00:00:00

abstract：:The assembly of metazoan Sm-class small nuclear ribonucleoproteins (snRNPs) is an elaborate, step-wise process that takes place in multiple subcellular compartments. The initial steps, including formation of the core RNP, are mediated by the survival motor neuron (SMN) protein complex. Loss-of-function mutations in hu...

journal_title：Molecular biology of the cell

authors： Shpargel KB,Praveen K,Rajendra TK,Matera AG

更新日期：2009-01-01 00:00:00

abstract：:The conserved NDR-kinase Dbf2 plays a critical role in cytokinesis in budding yeast. Among its cytokinesis-related substrates is the F-BAR protein Hof1. Hof1 colocalizes at the cell division site with the septin complex and, as mitotic exit progresses, moves to the actomyosin ring (AMR). Neither the function of Hof1 a...

journal_title：Molecular biology of the cell

authors： Meitinger F,Palani S,Hub B,Pereira G

更新日期：2013-05-01 00:00:00

abstract：:Septins are members of a highly conserved family of filamentous proteins that are required in many organisms for the completion of cytokinesis. In addition, septins have been implicated in a number of important cellular processes and have been suggested to have roles in regulating membrane traffic. Given the proposed ...

journal_title：Molecular biology of the cell

authors： Huang YW,Yan M,Collins RF,Diciccio JE,Grinstein S,Trimble WS

更新日期：2008-04-01 00:00:00

abstract：:Supplying the appropriate amount of correctly folded α/β-tubulin heterodimers is critical for microtubule dynamics. Formation of assembly-competent heterodimers is remarkably elaborate at the molecular level, in which the α- and β-tubulins are separately processed in a chaperone-dependent manner. This sequential step ...

journal_title：Molecular biology of the cell

authors： Mori R,Toda T

更新日期：2013-06-01 00:00:00

abstract：:Formation of multiple-protein macromolecular complexes at specialized subcellular microdomains increases the specificity and efficiency of signaling in cells. In this study, we demonstrate that phosphodiesterase type 3A (PDE3A) physically and functionally interacts with cystic fibrosis transmembrane conductance regula...

journal_title：Molecular biology of the cell

authors： Penmatsa H,Zhang W,Yarlagadda S,Li C,Conoley VG,Yue J,Bahouth SW,Buddington RK,Zhang G,Nelson DJ,Sonecha MD,Manganiello V,Wine JJ,Naren AP

更新日期：2010-03-15 00:00:00

abstract：:An in vitro transport assay, established with a modified Shiga toxin B subunit (STxB) as a marker, has proved to be useful for the study of transport from the early/recycling endosome (EE/RE) to the trans-Golgi network (TGN). Here, we modified this assay to test antibodies to all known soluble N-ethylmaleimide-sensiti...

journal_title：Molecular biology of the cell

authors： Tai G,Lu L,Wang TL,Tang BL,Goud B,Johannes L,Hong W

更新日期：2004-09-01 00:00:00

abstract：:The Schizosaccharomyces pombe sts1+ gene, identified by supersensitive mutations to a protein kinase inhibitor, staurosporine, was isolated by complementation by the use of a fission yeast genomic library. Nucleotide sequencing shows that the sts1+ gene encodes a 453 amino acid putative membrane-associated protein tha...

journal_title：Molecular biology of the cell

authors： Shimanuki M,Goebl M,Yanagida M,Toda T

更新日期：1992-03-01 00:00:00

abstract：:Keratins are cytoplasmic intermediate filament proteins preferentially expressed by epithelial tissues in a site-specific and differentiation-dependent manner. The complex network of keratin filaments in stratified epithelia is tightly regulated during squamous cell differentiation. Keratin 14 (K14) is expressed in mi...

journal_title：Molecular biology of the cell

authors： Alam H,Sehgal L,Kundu ST,Dalal SN,Vaidya MM

更新日期：2011-11-01 00:00:00

abstract：:We have identified five complementation groups of peroxisome biogenesis (peb) mutants in Saccharomyces cerevisiae by a positive selection procedure. Three of these contained morphologically recognizable peroxisomes, and two appeared to lack the organelle altogether. The packaging of peroxisomal proteins in these mutan...

journal_title：Molecular biology of the cell

authors： Zhang JW,Luckey C,Lazarow PB

更新日期：1993-12-01 00:00:00

abstract：:Preventing polyspermy during animal fertilization relies on modifications to the egg's extracellular matrix. On fertilization in sea urchins, the contents of cortical granules are secreted and rapidly assemble into the egg's extracellular vitelline layer, forming the fertilization envelope, a proteinaceous structure t...

journal_title：Molecular biology of the cell

authors： Wong JL,Wessel GM

更新日期：2006-12-01 00:00:00

abstract：:Transport of cellular and neuronal vesicles, organelles, and other particles along microtubules requires the molecular motor protein dynein (Mallik and Gross, 2004). Critical to dynein function is dynactin, a multiprotein complex commonly thought to be required for dynein attachment to membrane compartments (Karki and...

journal_title：Molecular biology of the cell

authors： Haghnia M,Cavalli V,Shah SB,Schimmelpfeng K,Brusch R,Yang G,Herrera C,Pilling A,Goldstein LS

更新日期：2007-06-01 00:00:00

abstract：:The trafficking of endocytosed receptors through phosphatidylinositol 3-phosphate [PtdIns(3)P]-containing endosomes is thought to attenuate their signaling. Here, we show that the PtdIns(3)P 5-kinase Fab1/PIKfyve controls trafficking but not silencing of endocytosed receptors. Drosophila fab1 mutants contain undetecta...

journal_title：Molecular biology of the cell

authors： Rusten TE,Rodahl LM,Pattni K,Englund C,Samakovlis C,Dove S,Brech A,Stenmark H

更新日期：2006-09-01 00:00:00

abstract：:Silica inhalation leads to the development of the chronic lung disease silicosis. Macrophages are killed by uptake of nonopsonized silica particles, and this is believed to play a critical role in the etiology of silicosis. However, the mechanism of nonopsonized-particle uptake is not well understood. We compared the ...

journal_title：Molecular biology of the cell

authors： Gilberti RM,Knecht DA

更新日期：2015-02-01 00:00:00

abstract：:Collective cell migration is emerging as a major contributor to normal development and disease. Collective movement of border cells in the Drosophila ovary requires cooperation between two distinct cell types: four to six migratory cells surrounding two immotile cells called polar cells. Polar cells secrete a cytokine...

journal_title：Molecular biology of the cell

authors： Xiang W,Zhang D,Montell DJ

更新日期：2016-01-01 00:00:00

abstract：:Syntaxin 3 (Stx3), a SNARE protein located and functioning at the apical plasma membrane of epithelial cells, is required for epithelial polarity. A fraction of Stx3 is localized to late endosomes/lysosomes, although how it traffics there and its function in these organelles is unknown. Here we report that Stx3 underg...

journal_title：Molecular biology of the cell

authors： Giovannone AJ,Reales E,Bhattaram P,Fraile-Ramos A,Weimbs T

更新日期：2017-10-15 00:00:00

abstract：:Regulator of G protein signaling (RGS) proteins inhibit G protein signaling by activating Galpha GTPase activity, but the mechanisms that regulate RGS activity are not well understood. The mammalian R7 binding protein (R7BP) can interact with all members of the R7 family of RGS proteins, and palmitoylation of R7BP can...

journal_title：Molecular biology of the cell

authors： Porter MY,Koelle MR

更新日期：2010-01-15 00:00:00

abstract：:Directed cell migration is mediated by cycles of protrusion, adhesion, traction generation on the extracellular matrix and retraction. However, how the events after protrusion are timed, and what dictates their temporal order is completely unknown. We used acute epidermal growth factor (EGF) stimulation of epidermal k...

journal_title：Molecular biology of the cell

authors： Schneider IC,Hays CK,Waterman CM

更新日期：2009-07-01 00:00:00

abstract：:Bile ducts are hepatic tubular structures that are lined by cholangiocytes, a type of liver epithelial cell. Cholangiocytes first form a single layer of cells, termed the ductal plate, surrounding the portal vein, which eventually remodels into the branching tubular network of bile ducts. The process of bile duct morp...

journal_title：Molecular biology of the cell

authors： Tanimizu N,Miyajima A,Mostov KE

更新日期：2009-05-01 00:00:00

abstract：:The BNIP-2 and Cdc42GAP homology (BCH) domain is a novel regulator for Rho GTPases, but its impact on p50-Rho GTPase-activating protein (p50RhoGAP or Cdc42GAP) in cells remains elusive. Here we show that deletion of the BCH domain from p50RhoGAP enhanced its GAP activity and caused drastic cell rounding. Introducing c...

journal_title：Molecular biology of the cell

authors： Zhou YT,Chew LL,Lin SC,Low BC

更新日期：2010-09-15 00:00:00

abstract：:In this study, we investigated the role of phospholipase D (PLD) in mediating Arf6 function in cells. Expression of Arf6 mutants that are defective in activating PLD, Arf6N48R and Arf6N48I, inhibited membrane recycling to the plasma membrane (PM), resulting in an accumulation of tubular endosomal membranes. Additional...

journal_title：Molecular biology of the cell

authors： Jovanovic OA,Brown FD,Donaldson JG

更新日期：2006-01-01 00:00:00

abstract：:CRM1 (Exportin1/XPO1) exports hundreds of broadly functioning protein cargoes out of the cell nucleus by binding to their classical nuclear export signals (NESs). The 8- to 15-amino-acid-long NESs contain four to five hydrophobic residues and are highly diverse in both sequence and CRM1-bound structure. Here we examin...

journal_title：Molecular biology of the cell

authors： Fu SC,Fung HYJ,Cağatay T,Baumhardt J,Chook YM

更新日期：2018-08-15 00:00:00

abstract：:The amino acid-derived polyamines are organic cations that are essential for growth in all mammalian cells, but their exact roles at the molecular level remain largely unknown. Here we provide evidence that polyamines promote the translation of cyclin-dependent kinase 4 (CDK4) by the action of CUG-binding protein 1 (C...

journal_title：Molecular biology of the cell

authors： Xiao L,Cui YH,Rao JN,Zou T,Liu L,Smith A,Turner DJ,Gorospe M,Wang JY

更新日期：2011-09-01 00:00:00

abstract：:Microtubules are long, slender polymers of αβ-tubulin found in all eukaryotic cells. Tubulins associate longitudinally to form protofilaments, and adjacent protofilaments associate laterally to form the microtubule. In the textbook view, microtubules are 1) composed of 13 protofilaments, 2) arranged in a radial array ...

journal_title：Molecular biology of the cell

authors： Chaaban S,Brouhard GJ

更新日期：2017-11-01 00:00:00

abstract：:During lactation, mammary epithelial cells secrete huge amounts of milk from their apical side. The current view is that caseins are secreted by exocytosis, whereas milk fat globules are released by budding, enwrapped by the plasma membrane. Owing to the number and large size of milk fat globules, the membrane surface...

journal_title：Molecular biology of the cell

authors： Honvo-Houéto E,Henry C,Chat S,Layani S,Truchet S

更新日期：2016-10-01 00:00:00

abstract：:Cholesterol regulates plasma membrane (PM) association and functioning of syntaxin-4 and soluble N-ethylmaleimide-sensitive fusion protein 23 (SNAP23) in the secretory pathway. However, the molecular mechanism and cellular cholesterol pools that determine the localization and assembly of these target membrane SNAP rec...

journal_title：Molecular biology of the cell

authors： Reverter M,Rentero C,de Muga SV,Alvarez-Guaita A,Mulay V,Cairns R,Wood P,Monastyrskaya K,Pol A,Tebar F,Blasi J,Grewal T,Enrich C

更新日期：2011-11-01 00:00:00

abstract：:B cell antigen receptor (BCR) association with lipid rafts, the actin cytoskeleton, and clathrin-coated pits influences B cell signaling and antigen presentation. Although all three cellular structures have been separately implicated in BCR internalization, the relationship between them has not been clearly defined. I...

journal_title：Molecular biology of the cell

authors： Stoddart A,Jackson AP,Brodsky FM

更新日期：2005-05-01 00:00:00

abstract：:Saccharomyces cerevisiae mating pheromones induce production of Afr1p, a protein that negatively regulates pheromone receptor signaling and is required for normal formation of the projection of cell growth that becomes the site of cell fusion during conjugation. Afr1p interacts with Cdc12p, which belongs to a family o...

journal_title：Molecular biology of the cell

authors： Giot L,Konopka JB

更新日期：1997-06-01 00:00:00

abstract：:The nuclear envelope of metazoans disassembles during mitosis and reforms in late anaphase after sister chromatids have well separated. The coordination of these mitotic events is important for genome stability, yet the temporal control of nuclear envelope reassembly is unknown. Although the steps of nuclear formation...

journal_title：Molecular biology of the cell

authors： Tseng LC,Chen RH

更新日期：2011-09-01 00:00:00

abstract：:Kinesin-8 motor proteins destabilize microtubules. Their absence during cell division is associated with disorganized mitotic chromosome movements and chromosome loss. Despite recent work studying effects of kinesin-8s on microtubule dynamics, it remains unclear whether the kinesin-8 mitotic phenotypes are consequence...

journal_title：Molecular biology of the cell

authors： Gergely ZR,Crapo A,Hough LE,McIntosh JR,Betterton MD

更新日期：2016-11-07 00:00:00