Phospholipase A(2) antagonists inhibit nocodazole-induced Golgi ministack formation: evidence of an ER intermediate and constitutive cycling.

abstract：:While lysosomes are degradative compartments and one of the defenses against invading pathogens, they are also hubs of metabolic activity. Late endocytic compartments accumulate around Plasmodium berghei liver-stage parasites during development, and whether this is a host defense strategy or active recruitment by the ...

journal_title：Molecular biology of the cell

authors： Petersen W,Stenzel W,Silvie O,Blanz J,Saftig P,Matuschewski K,Ingmundson A

更新日期：2017-03-15 00:00:00

abstract：:Rab8 is a GTPase involved in membrane trafficking. In photoreceptor cells, rab8 is proposed to participate in the late stages of delivery of rhodopsin-containing post-Golgi membranes to the plasma membrane near the base of the connecting cilium. To test the function of rab8 in vivo, we generated transgenic Xenopus lae...

journal_title：Molecular biology of the cell

authors： Moritz OL,Tam BM,Hurd LL,Peränen J,Deretic D,Papermaster DS

更新日期：2001-08-01 00:00:00

abstract：:We have studied telomere length in Schizosaccharomyces pombe strains carrying mutations affecting cell cycle checkpoints, DNA repair, and regulation of the Cdc2 protein kinase. Telomere shortening was found in rad1, rad3, rad17, and rad26 mutants. Telomere lengths in previously characterized rad1 mutants paralleled th...

journal_title：Molecular biology of the cell

authors： Dahlen M,Olsson T,Kanter-Smoler G,Ramne A,Sunnerhagen P

更新日期：1998-03-01 00:00:00

abstract：:Endomitosis is a special type of mitosis in which only cytokinesis-the final step of the cell division cycle-is defective, resulting in polyploid cells. Although endomitosis is biologically important, its regulatory aspects remain elusive. Psychosine, a lysogalactosylceramide, prevents proper cytokinesis when suppleme...

journal_title：Molecular biology of the cell

authors： Watanabe H,Okahara K,Naito-Matsui Y,Abe M,Go S,Inokuchi J,Okazaki T,Kobayashi T,Kozutsumi Y,Oka S,Takematsu H

更新日期：2016-07-01 00:00:00

abstract：:We describe the development and characterization of a system that allows the rapid and specific induction of individual genes in the yeast Saccharomyces cerevisiae without changes in nutrients or temperature. The system is based on the chimeric transcriptional activator Gal4dbd.ER.VP16 (GEV). Upon addition of the horm...

journal_title：Molecular biology of the cell

authors： McIsaac RS,Silverman SJ,McClean MN,Gibney PA,Macinskas J,Hickman MJ,Petti AA,Botstein D

更新日期：2011-11-01 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：:Motile cells such as bacteria, amoebae, and fibroblasts display a continual level of energy-consuming reactions involving the cytoskeleton and signal pathways, regardless of whether or not they are actually migrating. I draw parallels between these "silent signals" and the intrinsic activity of the human brain, especi...

journal_title：Molecular biology of the cell

authors： Bray D

更新日期：2014-03-01 00:00:00

abstract：:Arg8-vasopressin (AVP) promotes the differentiation of myogenic cell lines and mouse primary satellite cells by mechanisms involving the transcriptional activation of myogenic bHLH regulatory factors and myocyte enhancer factor 2 (MEF2). We here report that AVP treatment of L6 cells results in the activation of calcin...

journal_title：Molecular biology of the cell

authors： Scicchitano BM,Spath L,Musarò A,Molinaro M,Rosenthal N,Nervi C,Adamo S

更新日期：2005-08-01 00:00:00

abstract：:Binding of echovirus 1 (EV1, a nonenveloped RNA virus) to the alpha2beta1 integrin on the cell surface is followed by endocytic internalization of the virus together with the receptor. Here, video-enhanced live microscopy revealed the rapid uptake of fluorescently labeled EV1 into mobile, intracellular structures, pos...

journal_title：Molecular biology of the cell

authors： Pietiäinen V,Marjomäki V,Upla P,Pelkmans L,Helenius A,Hyypiä T

更新日期：2004-11-01 00:00:00

abstract：:The late Golgi of the yeast Saccharomyces cerevisiae receives membrane traffic from the secretory pathway as well as retrograde traffic from post-Golgi compartments, but the machinery that regulates these vesicle-docking and fusion events has not been characterized. We have identified three components of a novel prote...

journal_title：Molecular biology of the cell

authors： Conibear E,Stevens TH

更新日期：2000-01-01 00:00:00

abstract：:Gja1(Jrt)/+ mice carry a mutation in one allele of the gap junction protein α1 gene (Gja1), resulting in a G60S connexin 43 (Cx43) mutant protein that is dominant negative for Cx43 protein production of <50% of wild-type (WT) levels and significantly reduced gap junction formation and function in osteoblasts and other...

journal_title：Molecular biology of the cell

authors： Zappitelli T,Chen F,Aubin JE

更新日期：2015-03-01 00:00:00

abstract：:Actin is involved in endocytosis in organisms ranging from yeast to mammals. In activated Xenopus eggs, exocytosing cortical granules (CGs) are surrounded by actin "coats," which compress the exocytosing compartments, resulting in compensatory endocytosis. Here, we examined the roles of two myosins in actin coat compr...

journal_title：Molecular biology of the cell

authors： Yu HY,Bement WM

更新日期：2007-10-01 00:00:00

abstract：:Guanine nucleotide exchange factors (GEFs) are the initiators of signaling by every regulatory GTPase, which in turn act to regulate a wide array of essential cellular processes. To date, each family of GTPases is activated by distinct families of GEFs. Bidirectional membrane trafficking is regulated by ADP-ribosylati...

journal_title：Molecular biology of the cell

authors： Pipaliya SV,Schlacht A,Klinger CM,Kahn RA,Dacks J

更新日期：2019-07-15 00:00:00

abstract：:In addition to their well-known role in microtubule organization, centrosomes function as signaling platforms and regulate cell cycle events. An important example of such a function is the spindle position checkpoint (SPOC) of budding yeast. SPOC is a surveillance mechanism that ensures alignment of the mitotic spindl...

journal_title：Molecular biology of the cell

authors： Caydasi AK,Micoogullari Y,Kurtulmus B,Palani S,Pereira G

更新日期：2014-07-15 00:00:00

abstract：:Protein quality control is an essential function of the endoplasmic reticulum. Misfolded proteins unable to acquire their native conformation are retained in the endoplasmic reticulum, retro-translocated back into the cytosol, and degraded via the ubiquitin-proteasome system. We show that efficient degradation of solu...

journal_title：Molecular biology of the cell

authors： Taxis C,Vogel F,Wolf DH

更新日期：2002-06-01 00:00:00

abstract：:Lymphocyte function-associated antigen-1 (LFA-1) and macrophage-1 antigen (Mac-1) and their counterreceptors such as intercellular cell adhesion molecules (ICAM-1 and ICAM-2), junctional adhesion molecules (JAM-A, JAM-C), and receptors for advanced glycation end products (RAGE) are crucial for promoting polymorphonucl...

journal_title：Molecular biology of the cell

authors： Li N,Yang H,Wang M,Lü S,Zhang Y,Long M

更新日期：2018-02-15 00:00:00

abstract：:Tumor initiation and growth is associated with significant changes in the surrounding tissue. During carcinoma progression, a global stiffening of the extracellular matrix is observed and is interpreted as a signature of aggressive invasive tumors. However, it is still unknown whether this increase in matrix rigidity ...

journal_title：Molecular biology of the cell

authors： Staneva R,Burla F,Koenderink GH,Descroix S,Vignjevic DM,Attieh Y,Verhulsel M

更新日期：2018-12-01 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：:Genes occupy preferred spatial positions within interphase cell nuclei. However, positioning patterns are not an innate feature of a locus, and genes can alter their localization in response to physiological and pathological changes. Here we screen the radial positioning patterns of 40 genes in normal, hyperplasic, an...

journal_title：Molecular biology of the cell

authors： Leshner M,Devine M,Roloff GW,True LD,Misteli T,Meaburn KJ

更新日期：2016-01-15 00:00:00

abstract：:Proteins establish and maintain a distinct intracellular localization by means of targeting, retention, and retrieval signals, ensuring most proteins reside predominantly in one cellular location. The enzymes involved in the maturation of lamin A present a challenge to this paradigm. Lamin A is first synthesized as a ...

journal_title：Molecular biology of the cell

authors： Barrowman J,Hamblet C,George CM,Michaelis S

更新日期：2008-12-01 00:00:00

abstract：:Mechanosensing describes the ability of a cell to sense mechanical cues of its microenvironment, including not only all components of force, stress, and strain but also substrate rigidity, topology, and adhesiveness. This ability is crucial for the cell to respond to the surrounding mechanical cues and adapt to the ch...

journal_title：Molecular biology of the cell

authors： Chen Y,Ju L,Rushdi M,Ge C,Zhu C

更新日期：2017-11-07 00:00:00

abstract：:The RNA-binding protein HuD binds to a regulatory element in the 3' untranslated region (3' UTR) of the GAP-43 mRNA. To investigate the functional significance of this interaction, we generated PC12 cell lines in which HuD levels were controlled by transfection with either antisense (pDuH) or sense (pcHuD) constructs....

journal_title：Molecular biology of the cell

authors： Mobarak CD,Anderson KD,Morin M,Beckel-Mitchener A,Rogers SL,Furneaux H,King P,Perrone-Bizzozero NI

更新日期：2000-09-01 00:00:00

abstract：:Cytoplasmic dynein is the major microtubule minus end-directed motor. Although studies have probed the mechanism of the C-terminal motor domain, if and how dynein's N-terminal tail and the accessory chains it binds regulate motor activity remain to be determined. Here, we investigate the structure and function of the ...

journal_title：Molecular biology of the cell

authors： Rao L,Romes EM,Nicholas MP,Brenner S,Tripathy A,Gennerich A,Slep KC

更新日期：2013-08-01 00:00:00

abstract：:The histone variant H2AX is rapidly phosphorylated at the sites of DNA double-strand breaks (DSBs). This phosphorylated H2AX (gamma-H2AX) is involved in the retention of repair and signaling factor complexes at sites of DNA damage. The dependency of this phosphorylation on the various PI3K-related protein kinases (in ...

journal_title：Molecular biology of the cell

authors： Friesner JD,Liu B,Culligan K,Britt AB

更新日期：2005-05-01 00:00:00

abstract：:The proper execution of premeiotic S phase is essential to both the maintenance of genomic integrity and accurate chromosome segregation during the meiotic divisions. However, the regulation of premeiotic S phase remains poorly defined in metazoa. Here, we identify the p21(Cip1)/p27(Kip1)/p57(Kip2)-like cyclin-depende...

journal_title：Molecular biology of the cell

authors： Narbonne-Reveau K,Lilly M

更新日期：2009-04-01 00:00:00

abstract：:In mammalian cells, the inheritance of the Golgi apparatus into the daughter cells during each cycle of cell division is mediated by a disassembly and reassembly process, and this process is precisely controlled by phosphorylation and ubiquitination. VCIP135 (valosin-containing protein p97/p47 complex-interacting prot...

journal_title：Molecular biology of the cell

authors： Zhang X,Wang Y

更新日期：2015-06-15 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：:The spatiotemporal dynamics of triglyceride (TG) storage in unilocular adipocytes are not well understood. Here we applied ex vivo technology to study trafficking and metabolism of fluorescent fatty acids in adipose tissue explants. Live imaging revealed multiple cytoplasmic nodules surrounding the large central lipid...

journal_title：Molecular biology of the cell

authors： Chu M,Sampath H,Cahana DY,Kahl CA,Somwar R,Cornea A,Roberts CT Jr,Varlamov O

更新日期：2014-12-15 00:00:00

abstract：:Rapid alteration of gene expression in response to environmental changes is essential for normal development and behavior. The transcription factor hypoxia-inducible factor (HIF)-1 is well known to respond to alterations in oxygen availability. In nature, low oxygen environments are often found to contain high levels ...

journal_title：Molecular biology of the cell

authors： Budde MW,Roth MB

更新日期：2010-01-01 00:00:00

abstract：:Early endosomes in PC12 cells are an important site for the formation of synaptic-like microvesicles and constitutive recycling vesicles. By immunogold electron microscopy, the small GTPase rab4 was localized to early endosomes and numerous small vesicles in the cell periphery and Golgi area of PC12 cells. Overexpress...

journal_title：Molecular biology of the cell

authors： de Wit H,Lichtenstein Y,Kelly RB,Geuze HJ,Klumperman J,van der Sluijs P

更新日期：2001-11-01 00:00:00