Novel function of keratins 5 and 14 in proliferation and differentiation of stratified epithelial cells.

abstract：:The second step of dolichol-linked oligosaccharide synthesis in the N-linked glycosylation pathway at the endoplasmic reticulum (ER) membrane is catalyzed by an unusual hetero-oligomeric UDP-N-acetylglucosamine transferase that in most eukaryotes is comprised of at least two subunits, Alg13p and Alg14p. Alg13p is the ...

journal_title：Molecular biology of the cell

authors： Averbeck N,Gao XD,Nishimura S,Dean N

更新日期：2008-05-01 00:00:00

abstract：:Colony-stimulating factor-1 (CSF-1) induces expression of immediate early gene, such as c-myc and c-fos and delayed early genes such as D-type cyclins (D1 and D2), whose products play essential roles in the G1 to S phase transition of the cell cycle. Little is known, however, about the cytoplasmic signal transduction ...

journal_title：Molecular biology of the cell

authors： Dey A,She H,Kim L,Boruch A,Guris DL,Carlberg K,Sebti SM,Woodley DT,Imamoto A,Li W

更新日期：2000-11-01 00:00:00

abstract：:Vac8p is a vacuolar membrane protein that is required for efficient vacuole inheritance and fusion, cytosol-to-vacuole targeting, and sporulation. By analogy to other armadillo domain proteins, including beta-catenin and importin alpha, we hypothesize that Vac8p docks various factors at the vacuole membrane. Two-hybri...

journal_title：Molecular biology of the cell

authors： Pan X,Roberts P,Chen Y,Kvam E,Shulga N,Huang K,Lemmon S,Goldfarb DS

更新日期：2000-07-01 00:00:00

abstract：:Focal adhesion kinase (FAK) is a cytoplasmic tyrosine kinase protein localized to regions called focal adhesions, which are contact points between cells and the extracellular matrix. FAK protein acts as a scaffold to transfer adhesion-dependent and growth factor signals into the cell. Increased FAK expression is linke...

journal_title：Molecular biology of the cell

authors： Fonar Y,Gutkovich YE,Root H,Malyarova A,Aamar E,Golubovskaya VM,Elias S,Elkouby YM,Frank D

更新日期：2011-07-01 00:00:00

abstract：:The Sec61 translocon mediates the translocation of proteins across the endoplasmic reticulum membrane and the lateral integration of transmembrane segments into the lipid bilayer. The structure of the idle translocon is closed by a lumenal plug domain and a hydrophobic constriction ring. To test the function of the ap...

journal_title：Molecular biology of the cell

authors： Junne T,Kocik L,Spiess M

更新日期：2010-05-15 00:00:00

abstract：:The preprotein translocase of the outer mitochondrial membrane (TOM) consists of a central β-barrel channel, Tom40, and six proteins with α-helical transmembrane segments. The precursor of Tom40 is imported from the cytosol by a pre-existing TOM complex and inserted into the outer membrane by the sorting and assembly ...

journal_title：Molecular biology of the cell

authors： Becker T,Guiard B,Thornton N,Zufall N,Stroud DA,Wiedemann N,Pfanner N

更新日期：2010-09-15 00:00:00

abstract：:The majority of mitochondrial phosphatidylethanolamine (PtdEtn), a phospholipid essential for aerobic growth of yeast cells, is synthesized by phosphatidylserine decarboxylase 1 (Psd1p) in the inner mitochondrial membrane (IMM). To identify components that become essential when the level of mitochondrial PtdEtn is dec...

journal_title：Molecular biology of the cell

authors： Birner R,Nebauer R,Schneiter R,Daum G

更新日期：2003-02-01 00:00:00

abstract：:The cdc25 tyrosine phosphatase is known to activate cdc2 kinase in the G2/M transition by dephosphorylation of tyrosine 15. To determine how entry into M-phase in eukaryotic cells is controlled, we have investigated the regulation of the cdc25 protein in Xenopus eggs and oocytes. Two closely related Xenopus cdc25 gene...

journal_title：Molecular biology of the cell

authors： Izumi T,Walker DH,Maller JL

更新日期：1992-08-01 00:00:00

abstract：:The Rab11 effector Rab11-family interacting protein 2 (Rab11-FIP2) regulates transcytosis through its interactions with Rab11a and myosin Vb. Previous studies implicated Rab11-FIP2 in the establishment of polarity in Madin-Darby canine kidney (MDCK) cells through phosphorylation of Ser-227 by MARK2. Here we examine th...

journal_title：Molecular biology of the cell

authors： Lapierre LA,Avant KM,Caldwell CM,Oztan A,Apodaca G,Knowles BC,Roland JT,Ducharme NA,Goldenring JR

更新日期：2012-06-01 00:00:00

abstract：:Previously, we showed that spliceosomal U6 small nuclear RNA (snRNA) transiently passes through the nucleolus. Herein, we report that all individual snRNAs of the [U4/U6.U5] tri-snRNP localize to nucleoli, demonstrated by fluorescence microscopy of nucleolar preparations after injection of fluorescein-labeled snRNA in...

journal_title：Molecular biology of the cell

authors： Gerbi SA,Lange TS

更新日期：2002-09-01 00:00:00

abstract：:Activation of hepatic stellate cells during liver fibrosis is a major event facilitating an increase in extracellular matrix deposition. The up-regulation of smooth muscle alpha-actin and collagen type I is indicative of the activation process. The involvement of cysteine cathepsins, a class of lysosomal cysteine prot...

journal_title：Molecular biology of the cell

authors： Maubach G,Lim MC,Zhuo L

更新日期：2008-10-01 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

abstract：:Rab2 immunolocalizes to pre-Golgi intermediates (vesicular-tubular clusters [VTCs]) that are the first site of segregation of anterograde- and retrograde-transported proteins and a major peripheral site for COPI recruitment. Our previous work showed that Rab2 Q65L (equivalent to Ras Q61L) inhibited endoplasmic reticul...

journal_title：Molecular biology of the cell

authors： Tisdale EJ

更新日期：1999-06-01 00:00:00

abstract：:Intracellular free calcium ([Ca2+]i) has been proposed to play an important part in the regulation of the cell cycle. Although a number of studies have shown that stimulation of quiescent cells with growth factors causes an immediate rise in [Ca2+]i (Rabinovitch et al., 1986; Vincentini and Villereal, 1986; Hesketh et...

journal_title：Molecular biology of the cell

authors： Wahl M,Gruenstein E

更新日期：1993-03-01 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：:Prohibitins comprise a remarkably conserved protein family in eukaryotic cells with proposed functions in cell cycle progression, senescence, apoptosis, and the regulation of mitochondrial activities. Two prohibitin homologues, Phb1 and Phb2, assemble into a high molecular weight complex of approximately 1.2 MDa in th...

journal_title：Molecular biology of the cell

authors： Tatsuta T,Model K,Langer T

更新日期：2005-01-01 00:00:00

abstract：:The Lec35 gene product (Lec35p) is required for utilization of the mannose donor mannose-P-dolichol (MPD) in synthesis of both lipid-linked oligosaccharides (LLOs) and glycosylphosphatidylinositols, which are important for functions such as protein folding and membrane anchoring, respectively. The hamster Lec35 gene i...

journal_title：Molecular biology of the cell

authors： Anand M,Rush JS,Ray S,Doucey MA,Weik J,Ware FE,Hofsteenge J,Waechter CJ,Lehrman MA

更新日期：2001-02-01 00:00:00

abstract：:The Saccharomyces cerevisiae genes TOR1 and TOR2 were originally identified by mutations that confer resistance to the immunosuppressant rapamycin. TOR2 was previously shown to encode an essential 282-kDa phosphatidylinositol kinase (PI kinase) homologue. The TOR1 gene product is also a large (281 kDa) PI kinase homol...

journal_title：Molecular biology of the cell

authors： Helliwell SB,Wagner P,Kunz J,Deuter-Reinhard M,Henriquez R,Hall MN

更新日期：1994-01-01 00:00:00

abstract：:EB1 proteins are ubiquitous microtubule-associated proteins involved in microtubule search and capture, regulation of microtubule dynamics, cell polarity, and chromosome stability. We have cloned a complete cDNA of Dictyostelium EB1 (DdEB1), the largest known EB1 homolog (57 kDa). Immunofluorescence analysis and expre...

journal_title：Molecular biology of the cell

authors： Rehberg M,Gräf R

更新日期：2002-07-01 00:00:00

abstract：:Although some of the principles of N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE) function are well understood, remarkably little detail is known about sec1/munc18 (SM) protein function and its relationship to SNAREs. Popular models of SM protein function hold that these proteins promote or main...

journal_title：Molecular biology of the cell

authors： Williams AL,Ehm S,Jacobson NC,Xu D,Hay JC

更新日期：2004-01-01 00:00:00

abstract：:Targeting of peroxisomal membrane proteins (PMPs) is a multistep process that requires not only recognition of PMPs in the cytosol but also their insertion into the peroxisomal membrane. As a consequence, targeting signals of PMPs (mPTS) are rather complex. A candidate protein for the PMP recognition event is Pex19p, ...

journal_title：Molecular biology of the cell

authors： Rottensteiner H,Kramer A,Lorenzen S,Stein K,Landgraf C,Volkmer-Engert R,Erdmann R

更新日期：2004-07-01 00:00:00

abstract：:Protein degradation during the cell cycle is controlled by the opposing activities of ubiquitin ligases and deubiquitinating enzymes (DUBs). Although the functions of ubiquitin ligases in the cell cycle have been studied extensively, the roles of DUBs in this process are less well understood. Here, we used an overexpr...

journal_title：Molecular biology of the cell

authors： Mapa CE,Arsenault HE,Conti MM,Poti KE,Benanti JA

更新日期：2018-11-15 00:00:00

abstract：:Yeast cells, when exposed to stress, can enter a protective state in which cell division, growth, and metabolism are down-regulated. They remain viable in this state until nutrients become available again. How cells enter this protective survival state and what happens at a cellular and subcellular level are largely u...

journal_title：Molecular biology of the cell

authors： Marini G,Nüske E,Leng W,Alberti S,Pigino G

更新日期：2020-06-01 00:00:00

abstract：:14-3-3 proteins via binding serine/threonine-phosphorylated proteins regulate diverse intracellular processes in all eukaryotic organisms. Here, we examine the role of 14-3-3 self-dimerization in target binding, and in the susceptibility of 14-3-3 to undergo phosphorylation. Using a phospho-specific antibody developed...

journal_title：Molecular biology of the cell

authors： Shen YH,Godlewski J,Bronisz A,Zhu J,Comb MJ,Avruch J,Tzivion G

更新日期：2003-11-01 00:00:00

abstract：:We have identified a novel Ras-interacting protein from Dictyostelium, RIP3, whose function is required for both chemotaxis and the synthesis and relay of the cyclic AMP (cAMP) chemoattractant signal. rip3 null cells are unable to aggregate and lack receptor activation of adenylyl cyclase but are able, in response to ...

journal_title：Molecular biology of the cell

authors： Lee S,Parent CA,Insall R,Firtel RA

更新日期：1999-09-01 00:00:00

abstract：:Myo4p, a single-headed and nonprocessive class V myosin in budding yeast, transports >20 different mRNAs asymmetrically to the bud. Here, we determine the features of the Myo4p motor that are necessary for correct localization of ASH1 mRNA to the daughter cell, a process that also requires the adapter protein She3p an...

journal_title：Molecular biology of the cell

authors： Bookwalter CS,Lord M,Trybus KM

更新日期：2009-07-01 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：:Long-distance transport is crucial for polar-growing cells, such as neurons and fungal hyphae. Kinesins and myosins participate in this process, but their functional interplay is poorly understood. Here, we investigate the role of kinesin motors in hyphal growth of the plant pathogen Ustilago maydis. Although the micr...

journal_title：Molecular biology of the cell

authors： Schuchardt I,Assmann D,Thines E,Schuberth C,Steinberg G

更新日期：2005-11-01 00:00:00

abstract：:The microphthalmia-associated transcription factor (MITF) is required for terminal osteoclast differentiation and is a target for signaling pathways engaged by colony stimulating factor (CSF)-1 and receptor-activator of nuclear factor-kappaB ligand (RANKL). Work presented here demonstrates that MITF can shuttle from c...

journal_title：Molecular biology of the cell

authors： Bronisz A,Sharma SM,Hu R,Godlewski J,Tzivion G,Mansky KC,Ostrowski MC

更新日期：2006-09-01 00:00:00

abstract：:A major regulatory function has been evidenced here for HSF1, the key transcription factor of the heat-shock response, in a large-scale remodeling of the cell epigenome. Indeed, upon heat shock, HSF1, in addition to its well-known transactivating activities, mediates a genome-wide and massive histone deacetylation. In...

journal_title：Molecular biology of the cell

authors： Fritah S,Col E,Boyault C,Govin J,Sadoul K,Chiocca S,Christians E,Khochbin S,Jolly C,Vourc'h C

更新日期：2009-12-01 00:00:00