Arp2/3 complex is important for filopodia formation, growth cone motility, and neuritogenesis in neuronal cells.

abstract：:We demonstrate an example of signal transduction by an integrin and have begun to define the pathway through which this signaling is achieved. We constructed a stably transfected derivative of 293 cells (ATCC 1573) that expresses the platelet integrin GPIIbIIIa (alpha IIb beta 3). This cell line, clone B, adheres to a...

journal_title：Molecular biology of the cell

authors： Pelletier AJ,Bodary SC,Levinson AD

更新日期：1992-09-01 00:00:00

abstract：:In the yeast Saccharomyces cerevisiae, Cdc24p functions at least in part as a guanine-nucleotide-exchange factor for the Rho-family GTPase Cdc42p. A genetic screen designed to identify possible additional targets of Cdc24p instead identified two previously known genes, MSB1 and CLA4, and one novel gene, designated MSB...

journal_title：Molecular biology of the cell

authors： Bi E,Chiavetta JB,Chen H,Chen GC,Chan CS,Pringle JR

更新日期：2000-02-01 00:00:00

abstract：:Phospholipase D (PLD) has been suggested to mediate epidermal growth factor (EGF) signaling. However, the molecular mechanism of EGF-induced PLD activation has not yet been elucidated. We investigated the importance of the phosphorylation and compartmentalization of PLD1 in EGF signaling. EGF treatment of COS-7 cells ...

journal_title：Molecular biology of the cell

authors： Han JM,Kim Y,Lee JS,Lee CS,Lee BD,Ohba M,Kuroki T,Suh PG,Ryu SH

更新日期：2002-11-01 00:00:00

abstract：:The tumor suppressor protein p53 mediates stress-induced growth arrest or apoptosis and plays a major role in safeguarding genome integrity. In response to DNA damage, p53 can be modified at multiple sites by phosphorylation and acetylation. We report on the characterization of p53 C-terminal phosphorylation by CHK1 a...

journal_title：Molecular biology of the cell

authors： Ou YH,Chung PH,Sun TP,Shieh SY

更新日期：2005-04-01 00:00:00

abstract：:Rab GTPases are localized to various intracellular compartments and are known to play important regulatory roles in membrane trafficking. Here, we report the subcellular distribution and function of Rab14. By immunofluorescence and immunoelectron microscopy, both endogenous as well as overexpressed Rab14 were localize...

journal_title：Molecular biology of the cell

authors： Junutula JR,De Maziére AM,Peden AA,Ervin KE,Advani RJ,van Dijk SM,Klumperman J,Scheller RH

更新日期：2004-05-01 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：: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：:GPI-linked hemagglutinin (GPI-HA) of influenza virus was thought to induce hemifusion without pore formation. Cells expressing either HA or GPI-HA were bound to red blood cells, and their fusion was compared by patch-clamp capacitance measurements and fluorescence microscopy. It is now shown that under more optimal fu...

journal_title：Molecular biology of the cell

authors： Markosyan RM,Cohen FS,Melikyan GB

更新日期：2000-04-01 00:00:00

abstract：:Mechanical cues regulate the function of a broad range of stem cells in culture and in tissue. For example, soft substrates promote the neuronal differentiation of neural stem cells (NSCs) by suppressing cytoskeletal contractility. However, the mechanisms that link cytoskeletal signaling to the transcriptional regulat...

journal_title：Molecular biology of the cell

authors： Kang PH,Schaffer DV,Kumar S

更新日期：2020-03-01 00:00:00

abstract：:Evidence has been presented both for and against obligate retrograde movement of resident Golgi proteins through the endoplasmic reticulum (ER) during nocodazole-induced Golgi ministack formation. Here, we studied the nocodazole-induced formation of ministacks using phospholipase A(2) (PLA(2)) antagonists, which have ...

journal_title：Molecular biology of the cell

authors： Drecktrah D,Brown WJ

更新日期：1999-12-01 00:00:00

abstract：:Integrin alpha 3A cytoplasmic tail phosphorylation was mapped to amino acid S1042, as determined by mass spectrometry, and confirmed by mutagenesis. This residue occurs within a "QPSXXE" motif conserved in multiple alpha chains (alpha 3A, alpha 6A, alpha 7A), from multiple species. Phosphorylation of alpha 3A and alph...

journal_title：Molecular biology of the cell

authors： Zhang XA,Bontrager AL,Stipp CS,Kraeft SK,Bazzoni G,Chen LB,Hemler ME

更新日期：2001-02-01 00:00:00

abstract：:We observed the dynamic recruitment of spindle checkpoint proteins Mad1 and Bub1 to detached kinetochores in budding yeast using real-time live-cell imaging and quantified recruitment in fixed cells. After induced de novo kinetochore assembly at one pair of sister centromeres, Mad1 appeared after the kinetochore prote...

journal_title：Molecular biology of the cell

authors： Krefman NI,Drubin DG,Barnes G

更新日期：2015-07-15 00:00:00

abstract：:Differentiation and polarization of epithelial cells depends on the formation of the apical junctional complex (AJC), which is composed of the tight junction (TJ) and the adherens junction (AJ). In this study, we investigated mechanisms of actin reorganization that drive the establishment of AJC. Using a calcium switc...

journal_title：Molecular biology of the cell

authors： Ivanov AI,Hunt D,Utech M,Nusrat A,Parkos CA

更新日期：2005-06-01 00:00:00

abstract：:In Saccharomyces cerevisiae, the class C vacuole protein sorting (Vps) proteins, together with Vam2p/Vps41p and Vam6p/Vps39p, form a complex that interacts with soluble N-ethylmaleimide-sensitive factor attachment protein receptor and Rab proteins to "tether" vacuolar membranes before fusion. To determine a role for t...

journal_title：Molecular biology of the cell

authors： Richardson SC,Winistorfer SC,Poupon V,Luzio JP,Piper RC

更新日期：2004-03-01 00:00:00

abstract：:When Pichia pastoris adapts from methanol to glucose growth, peroxisomes are rapidly sequestered and degraded within the vacuole by micropexophagy. During micropexophagy, sequestering membranes arise from the vacuole to engulf the peroxisomes. Fusion of the sequestering membranes and incorporation of the peroxisomes i...

journal_title：Molecular biology of the cell

authors： Chang T,Schroder LA,Thomson JM,Klocman AS,Tomasini AJ,Strømhaug PE,Dunn WA Jr

更新日期：2005-10-01 00:00:00

abstract：:Vascular integrity and the maintenance of blood vessel continuity are fundamental features of the circulatory system maintained through endothelial cell-cell junctions. Defects in the endothelial barrier become an initiating factor in several pathologies, including ischemia/reperfusion, tumor angiogenesis, pulmonary e...

journal_title：Molecular biology of the cell

authors： Birukova AA,Singleton PA,Gawlak G,Tian X,Mirzapoiazova T,Mambetsariev B,Dubrovskyi O,Oskolkova OV,Bochkov VN,Birukov KG

更新日期：2014-07-01 00:00:00

abstract：:To determine how the human cdc25 gene product acts to regulate p34cdc2 at the G2 to M transition, we have overproduced the full-length protein (cdc25Hs) as well as several deletion mutants in bacteria as glutathione-S-transferase fusion proteins. The wild-type cdc25Hs gene product was synthesized as an 80-kDa fusion p...

journal_title：Molecular biology of the cell

authors： Lee MS,Ogg S,Xu M,Parker LL,Donoghue DJ,Maller JL,Piwnica-Worms H

更新日期：1992-01-01 00:00:00

abstract：:Lamellipodia of crawling cells represent both the motor for cell advance and the primary building site for the actin cytoskeleton. The organization of actin in the lamellipodium reflects actin dynamics and is of critical importance for the mechanism of cell motility. In previous structural studies, the lamellipodial a...

journal_title：Molecular biology of the cell

authors： Verkhovsky AB,Chaga OY,Schaub S,Svitkina TM,Meister JJ,Borisy GG

更新日期：2003-11-01 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：:Chemoattractants induce neutrophil polarization through localized polymerization of F-actin at the leading edge. The suppression of rear and lateral protrusions is required for efficient chemotaxis and involves the temporal and spatial segregation of signaling molecules. We have previously shown that the intracellular...

journal_title：Molecular biology of the cell

authors： Nuzzi PA,Senetar MA,Huttenlocher A

更新日期：2007-03-01 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：:The auxilin family of J-domain proteins load Hsp70 onto clathrin-coated vesicles (CCVs) to drive uncoating. In vitro, auxilin function requires its ability to bind clathrin and stimulate Hsp70 ATPase activity via its J-domain. To test these requirements in vivo, we performed a mutational analysis of Swa2p, the yeast a...

journal_title：Molecular biology of the cell

authors： Xiao J,Kim LS,Graham TR

更新日期：2006-07-01 00:00:00

abstract：:Transporting epithelial cells optimize their morphology for solute uptake by building an apical specialization: a dense array of microvilli that serves to increase membrane surface area. In the intestinal tract, individual cells build thousands of microvilli, which pack tightly to form the brush border. Recent studies...

journal_title：Molecular biology of the cell

authors： Pinette JA,Mao S,Millis BA,Krystofiak ES,Faust JJ,Tyska MJ

更新日期：2019-01-01 00:00:00

abstract：:How recycling receptors are segregated from down-regulated receptors in the endosome is unknown. In previous studies, we demonstrated that substitutions in the transferrin receptor (TR) transmembrane domain (TM) convert the protein from an efficiently recycling receptor to one that is rapidly down regulated. In this s...

journal_title：Molecular biology of the cell

authors： Zaliauskiene L,Kang S,Brouillette CG,Lebowitz J,Arani RB,Collawn JF

更新日期：2000-08-01 00:00:00

abstract：:A cell surface proteoglycan, syndecan-1, has been shown to participate in the maintenance of the epithelial cell morphology. A point mutated activated c-Ha-ras gene under the control of the glucocorticoid inducible MMTV-LTR promoter was transfected into the mouse mammary epithelial cell line, NOG-8. The NOG-8 ras cell...

journal_title：Molecular biology of the cell

authors： Kirjavainen J,Leppä S,Hynes NE,Jalkanen M

更新日期：1993-08-01 00:00:00

abstract：:Oscillations in intracellular Ca2+ can be induced by a variety of cellular signalling processes (Woods et al., 1986; Berridge 1988; Jacob et al., 1988) and appear to play a role in secretion (Stojilković et al., 1994), fertilization (Miyazaki et al., 1993), and smooth muscle contraction (Iino and Tsukioka, 1994). Rece...

journal_title：Molecular biology of the cell

authors： Keizer J,Li YX,Stojilković S,Rinzel J

更新日期：1995-08-01 00:00:00

abstract：:Caenorhabditis elegans is a powerful model to study the molecular basis of autosomal dominant polycystic kidney disease (ADPKD). ADPKD is caused by mutations in the polycystic kidney disease (PKD)1 or PKD2 gene, encoding polycystin (PC)-1 or PC-2, respectively. The C. elegans polycystins LOV-1 and PKD-2 are required f...

journal_title：Molecular biology of the cell

authors： Hu J,Barr MM

更新日期：2005-02-01 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：:Astrocytes in neuron-free cultures typically lack processes, although they are highly process-bearing in vivo. We show that basic fibroblast growth factor (bFGF) induces cultured astrocytes to grow processes and that Ras family GTPases mediate these morphological changes. Activated alleles of rac1 and rhoA blocked and...

journal_title：Molecular biology of the cell

authors： Kalman D,Gomperts SN,Hardy S,Kitamura M,Bishop JM

更新日期：1999-05-01 00:00:00

abstract：:Ubiquitinated integral membrane proteins are delivered to the interior of the lysosome/vacuole for degradation. This process relies on specific ubiquitination of potential cargo and recognition of that Ub-cargo by sorting receptors at multiple compartments. We show that the endosomal Hse1-Vps27 sorting receptor binds ...

journal_title：Molecular biology of the cell

authors： Ren J,Kee Y,Huibregtse JM,Piper RC

更新日期：2007-01-01 00:00:00