Calcineurin regulates cyclin D1 accumulation in growth-stimulated fibroblasts.

abstract：:"Lipid raft" is the name given to the tiny, dynamic, and ordered domains of cholesterol and sphingolipids that are hypothesized to exist in the plasma membranes of eukaryotic cells. According to the lipid raft hypothesis, these cholesterol- and sphingolipid-enriched domains modulate the protein-protein interactions th...

journal_title：Molecular biology of the cell

authors： Kraft ML

更新日期：2013-09-01 00:00:00

abstract：:Intestinal epithelial cells (IECs) exist in a metabolic state of low oxygen tension termed "physiologic hypoxia." An important factor in maintaining intestinal homeostasis is the transcription factor hypoxia-inducible factor (HIF), which is stabilized under hypoxic conditions and mediates IEC homeostatic responses to ...

journal_title：Molecular biology of the cell

authors： Dowdell AS,Cartwright IM,Goldberg MS,Kostelecky R,Ross T,Welch N,Glover LE,Colgan SP

更新日期：2020-09-15 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：:Blebs are involved in various biological processes such as cell migration, cytokinesis, and apoptosis. While the expansion of blebs is largely an intracellular pressure-driven process, the retraction of blebs is believed to be driven by RhoA activation that leads to the reassembly of the actomyosin cortex at the bleb ...

journal_title：Molecular biology of the cell

authors： Jiao M,Wu D,Wei Q

更新日期：2018-03-01 00:00:00

abstract：:Dynamic microtubule ends exert pulling and pushing forces on intracellular membranes and organelles. However, the mechanical linkage of microtubule tips to their cargoes is poorly understood. CENP-F is a nonmotor microtubule-binding protein that participates in microtubule binding at kinetochores and in the mitotic re...

journal_title：Molecular biology of the cell

authors： Kanfer G,Peterka M,Arzhanik VK,Drobyshev AL,Ataullakhanov FI,Volkov VA,Kornmann B

更新日期：2017-09-01 00:00:00

abstract：:The Cvt pathway is a biosynthetic transport route for a distinct subset of resident yeast vacuolar hydrolases, whereas macroautophagy is a nonspecific degradative mechanism that allows cell survival during starvation. Yet, these two vacuolar trafficking pathways share a number of identical molecular components and are...

journal_title：Molecular biology of the cell

authors： Reggiori F,Wang CW,Nair U,Shintani T,Abeliovich H,Klionsky DJ

更新日期：2004-05-01 00:00:00

abstract：:In most eukaryotes, genes encoding ribosomal RNAs (rDNA) are clustered in long tandem head-to-tail repeats. Studies of Saccharomyces cerevisiae have indicated that rDNA copy number is maintained through recombination events associated with site-specific blockage of replication forks (RFs). Here, we describe two Schizo...

journal_title：Molecular biology of the cell

authors： Coulon S,Gaillard PHL,Chahwan C,McDonald WH,Yates JR 3rd,Russell P

更新日期：2004-01-01 00:00:00

abstract：:Actin-based protrusions are important for signaling and migration during development and homeostasis. Defining how different tissues in vivo craft diverse protrusive behaviors using the same genomic toolkit of actin regulators is a current challenge. The actin elongation factors Diaphanous and Enabled both promote bar...

journal_title：Molecular biology of the cell

authors： Nowotarski SH,McKeon N,Moser RJ,Peifer M

更新日期：2014-10-15 00:00:00

abstract：:Telomerase is a ribonucleoprotein enzyme that counteracts replicative telomere erosion by adding telomeric sequence repeats onto chromosome ends. Despite its well-established role in telomere synthesis, telomerase has not yet been detected at telomeres. The RNA component of human telomerase (hTR) resides in the nucleo...

journal_title：Molecular biology of the cell

authors： Jády BE,Richard P,Bertrand E,Kiss T

更新日期：2006-02-01 00:00:00

abstract：:The Caenorhabditis elegans oocyte is a highly amenable system for forward and reverse genetic analysis of receptor-mediated endocytosis. We describe the use of transgenic strains expressing a vitellogenin::green fluorescent protein (YP170::GFP) fusion to monitor yolk endocytosis by the C. elegans oocyte in vivo. This ...

journal_title：Molecular biology of the cell

authors： Grant B,Hirsh D

更新日期：1999-12-01 00:00:00

abstract：:A novel gene, prom-1, was isolated in a screen for Caenorhabditis elegans mutants with increased apoptosis in the germline. prom-1 encodes an F-box protein with limited homology to the putative human tumor suppressor FBXO47. Mutations in the prom-1 locus cause a strong reduction in bivalent formation, which results in...

journal_title：Molecular biology of the cell

authors： Jantsch V,Tang L,Pasierbek P,Penkner A,Nayak S,Baudrimont A,Schedl T,Gartner A,Loidl J

更新日期：2007-12-01 00:00:00

abstract：:During oogenesis, two successive meiotic cell divisions occur without functional centrosomes because of the inactivation and subsequent elimination of maternal centrosomes during the diplotene stage of meiosis I. Despite being a conserved phenomenon in most metazoans, the means by which this centrosome behavior is con...

journal_title：Molecular biology of the cell

authors： Matsuura R,Ashikawa T,Nozaki Y,Kitagawa D

更新日期：2016-03-01 00:00:00

abstract：:We previously characterized major components of mitotic chromosomes assembled in Xenopus laevis egg extracts and collectively referred to them as Xenopus chromosome-associated polypeptides (XCAPs). They included five subunits of the condensin complex essential for chromosome condensation. In an effort to identify nove...

journal_title：Molecular biology of the cell

authors： MacCallum DE,Losada A,Kobayashi R,Hirano T

更新日期：2002-01-01 00:00:00

abstract：:Transforming growth factor beta (TGF beta) inhibits cell proliferation by inducing a G1 cell-cycle arrest. Cyclin/CDK complexes have been implicated in this arrest, because TGF beta treatment leads to inhibition of cyclin/CDK activity. We have investigated the role of the retinoblastoma protein (pRb) in TGF beta-induc...

journal_title：Molecular biology of the cell

authors： Herrera RE,Mäkelä TP,Weinberg RA

更新日期：1996-09-01 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：:We used immunofluorescence to study the distribution and targeting of RNA polymerase (pol) III subunits and pol III transcription factors in the Xenopus laevis oocyte nucleus. Antibodies against several of these proteins stained Cajal bodies and approximately 90 specific sites on the lampbrush chromosomes. Some of the...

journal_title：Molecular biology of the cell

authors： Murphy C,Wang Z,Roeder RG,Gall JG

更新日期：2002-10-01 00:00:00

abstract：:In this essay I describe my personal journey from reductionist to systems cell biology and describe how this in turn led to a 3-year sea voyage to explore complex ocean communities. In describing this journey, I hope to convey some important principles that I gleaned along the way. I realized that cellular functions e...

journal_title：Molecular biology of the cell

authors： Karsenti E

更新日期：2012-07-01 00:00:00

abstract：:Eukaryotic cell survival requires maintenance of plasma membrane (PM) homeostasis in response to environmental insults and changes in lipid metabolism. In yeast, a key regulator of PM homeostasis is target of rapamycin (TOR) complex 2 (TORC2), a multiprotein complex containing the evolutionarily conserved TOR protein ...

journal_title：Molecular biology of the cell

authors： Martinez Marshall MN,Emmerstorfer-Augustin A,Leskoske KL,Zhang LH,Li B,Thorner J

更新日期：2019-06-01 00:00:00

abstract：:We report the identification of Cdc7/Dbf4 phosphorylation sites in human MCM2 and the determination of the role of Cdc7/Dbf4 phosphorylation of MCM2 in the initiation of DNA replication. Using immunoblotting, immunofluorescence, and high-speed automated cell-imaging analyses with antibodies specific against MCM2 and C...

journal_title：Molecular biology of the cell

authors： Tsuji T,Ficarro SB,Jiang W

更新日期：2006-10-01 00:00:00

abstract：:The mitotic exit network (MEN) is an essential GTPase signaling pathway that triggers exit from mitosis in budding yeast. We show here that during meiosis, the MEN is dispensable for exit from meiosis I but contributes to the timely exit from meiosis II. Consistent with a role for the MEN during meiosis II, we find th...

journal_title：Molecular biology of the cell

authors： Attner MA,Amon A

更新日期：2012-08-01 00:00:00

abstract：:The survival motor neuron (SMN) complex fulfils essential functions in the assembly of snRNPs, which are key components in the splicing of pre-mRNAs. Little is known about the regulation of SMN complex activity by posttranslational modification despite its complicated phosphorylation pattern. Several phosphatases had ...

journal_title：Molecular biology of the cell

authors： Husedzinovic A,Neumann B,Reymann J,Draeger-Meurer S,Chari A,Erfle H,Fischer U,Gruss OJ

更新日期：2015-01-15 00:00:00

abstract：:The fission yeast Mcs6-Mcs2-Pmh1 complex, homologous to metazoan Cdk7-cyclin H-Mat1, has dual functions in cell division and transcription: as a partially redundant cyclin-dependent kinase (CDK)-activating kinase (CAK) that phosphorylates the major cell cycle CDK, Cdc2, on Thr-167; and as the RNA polymerase (Pol) II c...

journal_title：Molecular biology of the cell

authors： Lee KM,Miklos I,Du H,Watt S,Szilagyi Z,Saiz JE,Madabhushi R,Penkett CJ,Sipiczki M,Bähler J,Fisher RP

更新日期：2005-06-01 00:00:00

abstract：:During autophagy, double-membrane autophagosomes deliver sequestered cytoplasmic content to late endosomes and lysosomes for degradation. The molecular mechanism of autophagosome maturation is still poorly characterized. The small GTPase Rab11 regulates endosomal traffic and is thought to function at the level of recy...

journal_title：Molecular biology of the cell

authors： Szatmári Z,Kis V,Lippai M,Hegedus K,Faragó T,Lorincz P,Tanaka T,Juhász G,Sass M

更新日期：2014-02-01 00:00:00

abstract：:In response to stress conditions (such as nutrient limitation or accumulation of damaged organelles) and certain pathological situations, eukaryotic cells use autophagy as a survival mechanism. During nutrient stress the main purpose of autophagy is to degrade cytoplasmic materials within the lysosome/vacuole lumen an...

journal_title：Molecular biology of the cell

authors： Yang Z,Huang J,Geng J,Nair U,Klionsky DJ

更新日期：2006-12-01 00:00:00

abstract：:Organelle inheritance occurs during cell division. In Saccharomyces cerevisiae, inheritance of the vacuole, and the distribution of mitochondria and cortical endoplasmic reticulum are regulated by Ptc1p, a type 2C protein phosphatase. Here we show that PTC1/VAC10 controls the distribution of additional cargoes moved b...

journal_title：Molecular biology of the cell

authors： Jin Y,Taylor Eves P,Tang F,Weisman LS

更新日期：2009-03-01 00:00:00

abstract：:Budding yeast treated with hydroxyurea (HU) activate the S phase checkpoint kinase Rad53, which prevents DNA replication forks from undergoing aberrant structural transitions and nuclease processing. Rad53 is also required to prevent premature extension of the mitotic spindle that assembles during a HU-extended S phas...

journal_title：Molecular biology of the cell

authors： Julius J,Peng J,McCulley A,Caridi C,Arnak R,See C,Nugent CI,Feng W,Bachant J

更新日期：2019-10-15 00:00:00

abstract：:Sec1p/Munc18 (SM) family proteins regulate SNARE complex function in membrane fusion through their interactions with syntaxins. In addition to syntaxins, only a few SM protein interacting proteins are known and typically, their binding modes with SM proteins are poorly characterized. We previously identified Mso1p as ...

journal_title：Molecular biology of the cell

authors： Weber M,Chernov K,Turakainen H,Wohlfahrt G,Pajunen M,Savilahti H,Jäntti J

更新日期：2010-04-15 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

abstract：:Clathrin-mediated endocytosis and phagocytosis are both selective surface internalization processes but have little known mechanistic similarity or interdependence. Here we show that the phosphotyrosine-binding (PTB) domain protein Ced-6, a well-established phagocytosis component that operates as a transducer of so-ca...

journal_title：Molecular biology of the cell

authors： Jha A,Watkins SC,Traub LM

更新日期：2012-05-01 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