Mutants of the Paf1 complex alter phenotypic expression of the yeast prion [PSI+].

abstract：:An inducible fluorescent system based on GFP is presented that allows for the uncoupling of dendritic mRNA transport from subsequent protein synthesis at the single cell level. The iron-responsive element (IRE) derived from ferritin mRNA in the 5'-UTR of the GFP reporter mRNA renders translation of its mRNA dependent ...

journal_title：Molecular biology of the cell

authors： Macchi P,Hemraj I,Goetze B,Grunewald B,Mallardo M,Kiebler MA

更新日期：2003-04-01 00:00:00

abstract：:In epithelial cell lines, apical but not basolateral clathrin-mediated endocytosis has been shown to be affected by actin-disrupting drugs. Using electron and fluorescence microscopy, as well as biochemical assays, we show that the amount of actin dedicated to endocytosis is limiting at the apical surface of epithelia...

journal_title：Molecular biology of the cell

authors： Hyman T,Shmuel M,Altschuler Y

更新日期：2006-01-01 00:00:00

abstract：:Tolerance to desiccation in cultures of Saccharomyces cerevisiae is inducible; only one in a million cells from an exponential culture survive desiccation compared with one in five cells in stationary phase. Here we exploit the desiccation sensitivity of exponentially dividing cells to understand the stresses imposed ...

journal_title：Molecular biology of the cell

authors： Welch AZ,Gibney PA,Botstein D,Koshland DE

更新日期：2013-01-01 00:00:00

abstract：:Lactogenic hormones and extracellular matrix (ECM) act synergistically to regulate beta-casein expression in culture. We have developed a functional subpopulation of the mouse mammary epithelial cell strain COMMA-1D (designated CID 9), which expresses high level of beta-casein, forms alveolar-like structures when plat...

journal_title：Molecular biology of the cell

authors： Schmidhauser C,Casperson GF,Myers CA,Sanzo KT,Bolten S,Bissell MJ

更新日期：1992-06-01 00:00:00

abstract：:Cell morphogenesis is a complex process that relies on a diverse array of proteins and pathways. We have identified a transglutaminase-like protein (Cyk3p) that functions in fission yeast morphogenesis. The phenotype of a cyk3 knockout strain indicates a primary role for Cyk3p in cytokinesis. Correspondingly, Cyk3p lo...

journal_title：Molecular biology of the cell

authors： Pollard LW,Onishi M,Pringle JR,Lord M

更新日期：2012-07-01 00:00:00

abstract：:Cystic fibrosis (CF) is a fatal genetic disorder associated with defective hydration of lung airways due to the loss of chloride transport through the CF transmembrane conductance regulator protein (CFTR). CFTR contains two membrane-spanning domains (MSDs), two nucleotide-binding domains (NBDs), and a regulatory domai...

journal_title：Molecular biology of the cell

authors： Ren HY,Grove DE,De La Rosa O,Houck SA,Sopha P,Van Goor F,Hoffman BJ,Cyr DM

更新日期：2013-10-01 00:00:00

abstract：:Three mitochondrial DNA-encoded proteins, Cox1, Cox2, and Cox3, comprise the core of the cytochrome c oxidase complex. Gene-specific translational activators ensure that these respiratory chain subunits are synthesized at the correct location and in stoichiometric ratios to prevent unassembled protein products from ge...

journal_title：Molecular biology of the cell

authors： Roloff GA,Henry MF

更新日期：2015-08-15 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：: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：:TPX2 is a Ran-regulated spindle assembly factor that is required for kinetochore fiber formation and activation of the mitotic kinase Aurora A. TPX2 is enriched near spindle poles and is required near kinetochores, suggesting that it undergoes dynamic relocalization throughout mitosis. Using photoactivation, we measur...

journal_title：Molecular biology of the cell

authors： Ma N,Tulu US,Ferenz NP,Fagerstrom C,Wilde A,Wadsworth P

更新日期：2010-03-15 00:00:00

abstract：:Type I interferons (IFN-alpha/beta) induce apoptosis in certain tumor cell lines but not others. Here we describe a mutation in STAT2 that confers an apoptotic effect in tumor cells in response to type I IFNs. This mutation was introduced in a conserved motif, PYTK, located in the STAT SH2 domain, which is shared by S...

journal_title：Molecular biology of the cell

authors： Scarzello AJ,Romero-Weaver AL,Maher SG,Veenstra TD,Zhou M,Qin A,Donnelly RP,Sheikh F,Gamero AM

更新日期：2007-07-01 00:00:00

abstract：:Nucleostemin (NS) is expressed in the nucleoli of adult and embryonic stem cells and in many tumors and tumor-derived cell lines. In coimmunoprecipitation experiments, nucleostemin is recovered with the tumor suppressor p53, and more recently we have demonstrated that nucleostemin exerts its role in cell cycle progres...

journal_title：Molecular biology of the cell

authors： Ma H,Pederson T

更新日期：2008-07-01 00:00:00

abstract：:Secretory proteins are exported from the endoplasmic reticulum in COPII vesicles. SNARE proteins-core machinery for membrane fusion-are incorporated into COPII vesicles by direct interaction with Sec24. Here we report a novel mechanism for sorting of the ER-Golgi Q-SNAREs into COPII vesicles. Different mammalian Sec24...

journal_title：Molecular biology of the cell

authors： Adolf F,Rhiel M,Reckmann I,Wieland FT

更新日期：2016-09-01 00:00:00

abstract：:One of the original hypotheses of organismal longevity posits that aging is the natural result of entropy on the cells, tissues, and organs of the animal--a slow, inexorable slide into nonfunctionality caused by stochastic degradation of its parts. We now have evidence that aging is instead at least in part geneticall...

journal_title：Molecular biology of the cell

authors： DiLoreto R,Murphy CT

更新日期：2015-12-15 00:00:00

abstract：:Focal adhesions are intricate protein complexes that facilitate cell attachment, migration, and cellular communication. Lasp-2 (LIM-nebulette), a member of the nebulin family of actin-binding proteins, is a newly identified component of these complexes. To gain further insights into the functional role of lasp-2, we i...

journal_title：Molecular biology of the cell

authors： Bliss KT,Chu M,Jones-Weinert CM,Gregorio CC

更新日期：2013-04-01 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：:Up-regulation of the cytoskeleton linker protein ezrin frequently occurs in aggressive cancer types and is closely linked with metastatic progression. However, the underlying molecular mechanisms detailing how ezrin is involved in the invasive and metastatic phenotype remain unclear. Here we report a novel function of...

journal_title：Molecular biology of the cell

authors： Hoskin V,Szeto A,Ghaffari A,Greer PA,Côté GP,Elliott BE

更新日期：2015-10-01 00:00:00

abstract：:Pre-rRNA synthesis and processing are key steps in ribosome biogenesis. Although recent evidence in yeast suggests that these two processes are coupled, the nature of their association is unclear. In this report, we analyze the coordination between rDNA transcription and pre-rRNA processing in mammalian cells. We foun...

journal_title：Molecular biology of the cell

authors： Kopp K,Gasiorowski JZ,Chen D,Gilmore R,Norton JT,Wang C,Leary DJ,Chan EK,Dean DA,Huang S

更新日期：2007-02-01 00:00:00

abstract：:Members of the LC7/Roadblock family of light chains (LCs) have been found in both cytoplasmic and axonemal dyneins. LC7a was originally identified within Chlamydomonas outer arm dynein and associates with this motor's cargo-binding region. We describe here a novel member of this protein family, termed LC7b that is als...

journal_title：Molecular biology of the cell

authors： DiBella LM,Sakato M,Patel-King RS,Pazour GJ,King SM

更新日期：2004-10-01 00:00:00

abstract：:Phosphatidylinositol 4, 5-bisphosphate (PIP(2)) at the inner leaflet of the plasma membrane has been proposed to locally regulate the actin cytoskeleton. Indeed, recent studies that use GFP-tagged pleckstrin homology domains (GFP-PH) as fluorescent PIP(2) sensors suggest that this lipid is enriched in membrane microdo...

journal_title：Molecular biology of the cell

authors： van Rheenen J,Jalink K

更新日期：2002-09-01 00:00:00

abstract：:The Arf and Rab/Ypt GTPases coordinately regulate membrane traffic and organelle structure by regulating vesicle formation and fusion. Ample evidence has indicated that proteins in these two families may function in parallel or complementarily; however, the manner in which Arf and Rab/Ypt proteins perform interchangea...

journal_title：Molecular biology of the cell

authors： Chen YT,Wang IH,Wang YH,Chiu WY,Hu JH,Chen WH,Lee FS

更新日期：2019-04-01 00:00:00

abstract：:Treacher Collins syndrome (TCS) is an autosomal dominant disorder of craniofacial development caused by mutations in the gene TCOF1. Its gene product, treacle, consists mainly of a central repeat domain, which shows it to be structurally related to the nucleolar phosphoprotein Nopp140. Treacle remains mostly uncharact...

journal_title：Molecular biology of the cell

authors： Isaac C,Marsh KL,Paznekas WA,Dixon J,Dixon MJ,Jabs EW,Meier UT

更新日期：2000-09-01 00:00:00

abstract：:Shroom (Shrm) proteins are essential regulators of cell shape and tissue morpho-logy during animal development that function by interacting directly with the coiled-coil region of Rho kinase (Rock). The Shrm-Rock interaction is sufficient to direct Rock subcellular localization and the subsequent assembly of contracti...

journal_title：Molecular biology of the cell

authors： Mohan S,Rizaldy R,Das D,Bauer RJ,Heroux A,Trakselis MA,Hildebrand JD,VanDemark AP

更新日期：2012-06-01 00:00:00

abstract：:The actin cytoskeleton is constantly assembling and disassembling. Cells harness the energy of these turnover dynamics to drive cell motility and organize cytoplasm. Although much is known about how cells control actin polymerization, we do not understand how actin filaments depolymerize inside cells. I briefly descri...

journal_title：Molecular biology of the cell

authors： Brieher W

更新日期：2013-08-01 00:00:00

abstract：:Hsk1, Saccharomyces cerevisiae Cdc7-related kinase in Shizosaccharomyces pombe, is required for G1/S transition and its kinase activity is controlled by the regulatory subunit Dfp1/Him1. Analyses of a newly isolated temperature-sensitive mutant, hsk1-89, reveal that Hsk1 plays crucial roles in DNA replication checkpoi...

journal_title：Molecular biology of the cell

authors： Takeda T,Ogino K,Tatebayashi K,Ikeda H,Arai Ki,Masai H

更新日期：2001-05-01 00:00:00

abstract：:Microtubules (MTs) are cytoskeletal polymers composed of repeating subunits of tubulin that are ubiquitously expressed in eukaryotic cells. They undergo a stochastic process of polymerization and depolymerization from their plus ends termed dynamic instability. MT dynamics is an ongoing process in all cell types and h...

journal_title：Molecular biology of the cell

authors： Dent EW

更新日期：2017-01-01 00:00:00

abstract：:The small GTPase Rac cycles between the membrane and the cytosol as it is activated by nucleotide exchange factors (GEFs) and inactivated by GTPase-activating proteins (GAPs). Solubility in the cytosol is conferred by binding of Rac to guanine-nucleotide dissociation inhibitors (GDIs). To analyze the in vivo dynamics ...

journal_title：Molecular biology of the cell

authors： Moissoglu K,Slepchenko BM,Meller N,Horwitz AF,Schwartz MA

更新日期：2006-06-01 00:00:00

abstract：:The orderly progression through the cell division cycle is of paramount importance to all organisms, as improper progression through the cycle could result in defects with grave consequences. Previously, our lab has shown that model eukaryotes such as Saccharomyces cerevisiae, Caenorhabditis elegans, and Danio rerio a...

journal_title：Molecular biology of the cell

authors： Chan K,Goldmark JP,Roth MB

更新日期：2010-07-01 00:00:00

abstract：:Methionine residues in proteins are susceptible to oxidation by reactive oxygen species, but can be repaired via reduction of the resulting methionine sulfoxides by methionine-S-sulfoxide reductase (MsrA) and methionine-R-sulfoxide reductase (MsrB). However, the identity of all methionine sulfoxide reductases involved...

journal_title：Molecular biology of the cell

authors： Kim HY,Gladyshev VN

更新日期：2004-03-01 00:00:00

abstract：:The chromosomal passenger complex (CPC) regulates various events in cell division. This complex is composed of a catalytic subunit, Aurora B kinase, and three nonenzymatic subunits, INCENP, Survivin, and Borealin. Together, these four subunits interdependently regulate CPC function, and they are highly conserved among...

journal_title：Molecular biology of the cell

authors： Bohnert KA,Chen JS,Clifford DM,Vander Kooi CW,Gould KL

更新日期：2009-08-01 00:00:00