RhoA is down-regulated at cell-cell contacts via p190RhoGAP-B in response to tensional homeostasis.

abstract：:The small G proteins Cdc42, Rac1, and Rac2 regulate the rearrangements of actin and membrane necessary for Fcgamma receptor-mediated phagocytosis by macrophages. Activated, GTP-bound Cdc42, Rac1, and Rac2 bind to the p21-binding domain (PBD) of PAK1, and this interaction provided a basis for microscopic methods to loc...

journal_title：Molecular biology of the cell

authors： Hoppe AD,Swanson JA

更新日期：2004-08-01 00:00:00

abstract：:The serotonin (5-hydroxytryptamine; 5-HT)(2C) receptor is a G protein-coupled receptor (GPCR) exclusively expressed in CNS that has been implicated in numerous brain disorders, including anxio-depressive states. Like many GPCRs, 5-HT(2C) receptors physically interact with a variety of intracellular proteins in additio...

journal_title：Molecular biology of the cell

authors： Labasque M,Reiter E,Becamel C,Bockaert J,Marin P

更新日期：2008-11-01 00:00:00

abstract：:In budding yeast, spindle polarity relies on a precise temporal program of cytoplasmic microtubule-cortex interactions throughout spindle assembly. Loss of Clb5-dependent kinase activity under conditions of attenuated Cdc28 function disrupts this program, resulting in diploid-specific lethality. Here we show that pola...

journal_title：Molecular biology of the cell

authors： Segal M,Bloom K,Reed SI

更新日期：2000-11-01 00:00:00

abstract：:Schizosaccharomyces pombe Rho GTPases regulate actin cytoskeleton organization and cell integrity. We studied the fission yeast gene SPBC4F6.12 based on its ability to suppress the thermosensitivity of cdc42-1625 mutant strain. This gene, named pxl1(+), encodes a protein with three LIM domains that is similar to paxil...

journal_title：Molecular biology of the cell

authors： Pinar M,Coll PM,Rincón SA,Pérez P

更新日期：2008-04-01 00:00:00

abstract：:S100A4, a member of the S100 family of Ca(2+)-binding proteins, is directly involved in tumor metastasis. In addition to its expression in tumor cells, S100A4 is expressed in normal cells and tissues, including fibroblasts and cells of the immune system. To examine the contribution of S100A4 to normal physiology, we e...

journal_title：Molecular biology of the cell

authors： Li ZH,Dulyaninova NG,House RP,Almo SC,Bresnick AR

更新日期：2010-08-01 00:00:00

abstract：:The formation and maintenance of the bipolar mitotic spindle apparatus require a complex and balanced interplay of several mechanisms, including the stabilization and separation of polar microtubules and the action of various microtubule motors. Nonmicrotubule elements are also present throughout the spindle apparatus...

journal_title：Molecular biology of the cell

authors： Yang CH,Snyder M

更新日期：1992-11-01 00:00:00

abstract：:This essay records a voyage of discovery from the "cradle of cell biology" to the present, focused on the biology of the oldest known cell organelle, the cilium. In the "romper room" of cilia and microtubule (MT) biology, the sliding MT hypothesis of ciliary motility was born. From the "summer of love," students and c...

journal_title：Molecular biology of the cell

authors： Satir P

更新日期：2014-11-01 00:00:00

abstract：:The Arp2/3 complex is the only known nucleator of branched F-actin filaments. Work in cultured cells has established a wide array of functions for this complex in controlling cell migration, shape, and adhesion. However, loss of Arp2/3 complex function in tissues has yielded cell type-specific phenotypes. Here we repo...

journal_title：Molecular biology of the cell

authors： Zhou K,Sumigray KD,Lechler T

更新日期：2015-06-01 00:00:00

abstract：:Extended coiled-coil proteins of the Golgin family play prominent roles in maintaining the structure and function of the Golgi complex. Here we further investigate the Golgin protein Coy1 and document its function in retrograde transport between early Golgi compartments. Cells that lack Coy1 displayed a reduced half-l...

journal_title：Molecular biology of the cell

authors： Anderson NS,Mukherjee I,Bentivoglio CM,Barlowe C

更新日期：2017-08-09 00:00:00

abstract：:Most mitochondrial proteins are synthesized as precursors that carry N-terminal presequences. After they are imported into mitochondria, these targeting signals are cleaved off by the mitochondrial processing peptidase (MPP). Using the mitochondrial tandem protein Arg5,6 as a model substrate, we demonstrate that MPP h...

journal_title：Molecular biology of the cell

authors： Friedl J,Knopp MR,Groh C,Paz E,Gould SB,Herrmann JM,Boos F

更新日期：2020-11-15 00:00:00

abstract：:We have recently shown that the pancreatic bile salt-dependent lipase (BSDL) can be taken up by intestinal cells and transported to the blood circulation. This mechanism likely involves (specific) receptor(s) able to bind BSDL and located at the apical intestinal cell membrane. In this study, using Int407 human intest...

journal_title：Molecular biology of the cell

authors： Bruneau N,Richard S,Silvy F,Verine A,Lombardo D

更新日期：2003-07-01 00:00:00

abstract：:Cell adhesion to extracellular matrix molecules such as fibronectin involves complex transmembrane signaling processes. Attachment and spreading of primary fibroblasts can be promoted by interactions of cell surface integrins with RGD-containing fragments of fibronectin, but the further process of focal adhesion and s...

journal_title：Molecular biology of the cell

authors： Woods A,McCarthy JB,Furcht LT,Couchman JR

更新日期：1993-06-01 00:00:00

abstract：:Saccharomyces cerevisiae mating pheromones induce production of Afr1p, a protein that negatively regulates pheromone receptor signaling and is required for normal formation of the projection of cell growth that becomes the site of cell fusion during conjugation. Afr1p interacts with Cdc12p, which belongs to a family o...

journal_title：Molecular biology of the cell

authors： Giot L,Konopka JB

更新日期：1997-06-01 00:00:00

abstract：:Barrier to autointegration factor (BAF) is an essential component of the nuclear lamina that binds lamins, LEM-domain proteins, histones, and DNA. Under normal conditions, BAF protein is highly mobile when assayed by fluorescence recovery after photobleaching and fluorescence loss in photobleaching. We report that Cae...

journal_title：Molecular biology of the cell

authors： Bar DZ,Davidovich M,Lamm AT,Zer H,Wilson KL,Gruenbaum Y

更新日期：2014-04-01 00:00:00

abstract：:Epithelial tissues are protective barriers that display a remarkable ability to repair wounds. Wound repair is often associated with an accumulation of actin and nonmuscle myosin II around the wound, forming a purse string. The role of actomyosin networks in generating mechanical force during wound repair is not well ...

journal_title：Molecular biology of the cell

authors： Fernandez-Gonzalez R,Zallen JA

更新日期：2013-10-01 00:00:00

abstract：:Bloom syndrome (BS) is a rare autosomal recessive disorder characterized by growth deficiency, immunodeficiency, genomic instability, and the early development of cancers of many types. BLM, the protein encoded by BLM, the gene mutated in BS, is localized in nuclear foci and absent from BS cells. BLM encodes a DNA hel...

journal_title：Molecular biology of the cell

authors： Neff NF,Ellis NA,Ye TZ,Noonan J,Huang K,Sanz M,Proytcheva M

更新日期：1999-03-01 00:00:00

abstract：:Eukaryotic cells require IQGAP family multidomain adapter proteins for cytokinesis, but many questions remain about how IQGAPs contribute to the process. Here we show that fission yeast IQGAP Rng2p is required for both the normal process of contractile ring formation from precursor nodes and an alternative mechanism b...

journal_title：Molecular biology of the cell

authors： Tebbs IR,Pollard TD

更新日期：2013-06-01 00:00:00

abstract：:In addition to its central role in energy production, oxygen has pervasive regulatory actions. Hypoxia (oxygen limitation) triggers the shutdown of major cellular processes, including gene expression. We carried out a genome-wide RNA interference (RNAi) screen in Drosophila S2 cells for functions required to down-regu...

journal_title：Molecular biology of the cell

authors： Lee SJ,Feldman R,O'Farrell PH

更新日期：2008-10-01 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：:Profilin controls actin nucleation and assembly processes in eukaryotic cells. Actin nucleation and elongation promoting factors (NEPFs) such as Ena/VASP, formins, and WASP-family proteins recruit profilin:actin for filament formation. Some of these are found to be microtubule associated, making actin polymerization f...

journal_title：Molecular biology of the cell

authors： Nejedla M,Sadi S,Sulimenko V,de Almeida FN,Blom H,Draber P,Aspenström P,Karlsson R

更新日期：2016-08-01 00:00:00

abstract：:Mitophagy, which selectively degrades mitochondria via autophagy, has a significant role in mitochondrial quality control. When mitophagy is induced in yeast, mitochondrial residential protein Atg32 binds Atg11, an adaptor protein for selective types of autophagy, and it is recruited into the vacuole along with mitoch...

journal_title：Molecular biology of the cell

authors： Aoki Y,Kanki T,Hirota Y,Kurihara Y,Saigusa T,Uchiumi T,Kang D

更新日期：2011-09-01 00:00:00

abstract：:The resistance of Candida albicans to many stresses is dependent on the stress-activated protein kinase (SAPK) Hog1. Hence we have explored the role of Hog1 in the regulation of transcriptional responses to stress. DNA microarrays were used to characterize the global transcriptional responses of HOG1 and hog1 cells to...

journal_title：Molecular biology of the cell

authors： Enjalbert B,Smith DA,Cornell MJ,Alam I,Nicholls S,Brown AJ,Quinn J

更新日期：2006-02-01 00:00:00

abstract：:Gaucher disease is a lysosomal storage disorder caused by a defect in the degradation of glucosylceramide catalyzed by the lysosomal enzyme β-glucocerebrosidase (GBA). GBA reaches lysosomes via association with its receptor, lysosomal integral membrane protein type 2 (LIMP-2). We found that distinct phosphatidylinosit...

journal_title：Molecular biology of the cell

authors： Jović M,Kean MJ,Szentpetery Z,Polevoy G,Gingras AC,Brill JA,Balla T

更新日期：2012-04-01 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：:LLCPK-1 cells were transfected with a green fluorescent protein (GFP)-alpha tubulin construct and a cell line permanently expressing GFP-alpha tubulin was established (LLCPK-1alpha). The mitotic index and doubling time for LLCPK-1alpha were not significantly different from parental cells. Quantitative immunoblotting s...

journal_title：Molecular biology of the cell

authors： Rusan NM,Fagerstrom CJ,Yvon AM,Wadsworth P

更新日期：2001-04-01 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：:Mathematical modeling has been instrumental in identifying common principles of cell polarity across diverse systems. These principles include positive feedback loops that are required to destabilize a spatially uniform state of the cell. The conserved small G-protein Cdc42 is a master regulator of eukaryotic cellular...

journal_title：Molecular biology of the cell

authors： Goryachev AB,Leda M

更新日期：2017-02-01 00:00:00

abstract：:Membrane fusion is generally controlled by Rabs, soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNAREs), and tethering complexes. Syntaxin 17 (STX17) was recently identified as the autophagosomal SNARE required for autophagosome-lysosome fusion in mammals and Drosophila. In this study, to bett...

journal_title：Molecular biology of the cell

authors： Jiang P,Nishimura T,Sakamaki Y,Itakura E,Hatta T,Natsume T,Mizushima N

更新日期：2014-04-01 00:00:00

abstract：:The [URE3] and [PSI(+)] prions are infectious amyloid forms of Ure2p and Sup35p. Several chaperones influence prion propagation: Hsp104p overproduction destabilizes [PSI(+)], whereas [URE3] is sensitive to excess of Ssa1p or Ydj1p. Here, we show that overproduction of the chaperone, Sse1p, can efficiently cure [URE3]....

journal_title：Molecular biology of the cell

authors： Kryndushkin D,Wickner RB

更新日期：2007-06-01 00:00:00

abstract：:Microtubules (MTs) have been proposed to act mechanically as compressive struts that resist both actomyosin contractile forces and their own polymerization forces to mechanically stabilize cell shape. To identify the origin of MT bending, we directly observed MT bending and F-actin transport dynamics in the periphery ...

journal_title：Molecular biology of the cell

authors： Bicek AD,Tüzel E,Demtchouk A,Uppalapati M,Hancock WO,Kroll DM,Odde DJ

更新日期：2009-06-01 00:00:00