Synaptic vesicles form by budding from tubular extensions of sorting endosomes in PC12 cells.

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：:The endoplasmic reticulum (ER) of animal cells is a single, dynamic, and continuous membrane network of interconnected cisternae and tubules spread out throughout the cytosol in direct contact with the nuclear envelope. During mitosis, the nuclear envelope undergoes a major rearrangement, as it rapidly partitions its ...

journal_title：Molecular biology of the cell

authors： Lu L,Ladinsky MS,Kirchhausen T

更新日期：2009-08-01 00:00:00

abstract：:Nucleosome positioning is important for the structural integrity of chromosomes. During metaphase the mitotic spindle exerts physical force on pericentromeric chromatin. The cell must adjust the pericentromeric chromatin to accommodate the changing tension resulting from microtubule dynamics to maintain a stable metap...

journal_title：Molecular biology of the cell

authors： Verdaasdonk JS,Gardner R,Stephens AD,Yeh E,Bloom K

更新日期：2012-07-01 00:00:00

abstract：:The control of muscle-specific expression is one of the principal mechanisms by which diversity is generated among muscle types. In an attempt to elucidate the regulatory mechanisms that control fiber diversity in any given muscle, we have focused our attention on the transcriptional regulation of the Drosophila Tropo...

journal_title：Molecular biology of the cell

authors： Mas JA,García-Zaragoza E,Cervera M

更新日期：2004-04-01 00:00:00

abstract：:The Drosophila tumor suppressor protein lethal (2) giant larvae [l(2)gl] is involved in the establishment of epithelial cell polarity during development. Recently, a yeast homolog of the protein has been shown to interact with components of the post-Golgi exocytic machinery and to regulate a late step in protein secre...

journal_title：Molecular biology of the cell

authors： Müsch A,Cohen D,Yeaman C,Nelson WJ,Rodriguez-Boulan E,Brennwald PJ

更新日期：2002-01-01 00:00:00

abstract：:In eukaryotic cells, organelle-specific protein quality control (PQC) is critical for maintaining cellular homeostasis. Despite the Golgi apparatus being the major protein processing and sorting site within the secretory pathway, how it contributes to PQC has remained largely unknown. Using different chemical biology-...

journal_title：Molecular biology of the cell

authors： Hellerschmied D,Serebrenik YV,Shao L,Burslem GM,Crews CM

更新日期：2019-08-01 00:00:00

abstract：:A well-established function of centrosomes is their role in accomplishing a successful mitosis that gives rise to a pair of identical daughter cells. We recently showed that DNA replication defects and DNA damage in Drosophila embryos trigger centrosomal changes, but it remained unclear whether comparable centrosomal ...

journal_title：Molecular biology of the cell

authors： Hut HM,Lemstra W,Blaauw EH,Van Cappellen GW,Kampinga HH,Sibon OC

更新日期：2003-05-01 00:00:00

abstract：:DSL1 was identified through its genetic interaction with SLY1, which encodes a t-SNARE-interacting protein that functions in endoplasmic reticulum (ER)-to-Golgi traffic. Conditional dsl1 mutants exhibit a block in ER-to-Golgi traffic at the restrictive temperature. Here, we show that dsl1 mutants are defective for ret...

journal_title：Molecular biology of the cell

authors： Reilly BA,Kraynack BA,VanRheenen SM,Waters MG

更新日期：2001-12-01 00:00:00

abstract：:Forces generated by heart muscle contraction must be balanced by adhesion to the extracellular matrix (ECM) and to other cells for proper heart function. Decades of data have suggested that cell-ECM adhesions are important for sarcomere assembly. However, the relationship between cell-ECM adhesions and sarcomeres asse...

journal_title：Molecular biology of the cell

authors： Taneja N,Neininger AC,Burnette DT

更新日期：2020-06-01 00:00:00

abstract：:The split-ubiquitin technique was used to detect transient protein interactions in living cells. Nub, the N-terminal half of ubiquitin (Ub), was fused to Sec62p, a component of the protein translocation machinery in the endoplasmic reticulum of Saccharomyces cerevisiae. Cub, the C-terminal half of Ub, was fused to the...

journal_title：Molecular biology of the cell

authors： Dünnwald M,Varshavsky A,Johnsson N

更新日期：1999-02-01 00:00:00

abstract：:The Golgi apparatus is a membrane-bound organelle that serves as the center for trafficking and processing of proteins and lipids. To perform these functions, the Golgi forms a multilayer stacked structure held by GRASP55 and GRASP65 trans-oligomers and perhaps their binding partners. Depletion of GRASP proteins disru...

journal_title：Molecular biology of the cell

authors： Ahat E,Xiang Y,Zhang X,Bekier ME 2nd,Wang Y

更新日期：2019-03-15 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：: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：:Many yeast actin cytoskeleton mutants accumulate large secretory vesicles and exhibit phenotypes consistent with defects in polarized growth. This, together with actin's polarized organization, has suggested a role for the actin cytoskeleton in the vectorial transport of late secretory vesicles to the plasma membrane....

journal_title：Molecular biology of the cell

authors： Mulholland J,Wesp A,Riezman H,Botstein D

更新日期：1997-08-01 00:00:00

abstract：:The secretory pathway along which newly synthesized secretory and membrane proteins traffic through the cell was revealed in two articles published 50 years ago. This discovery was the culmination of decades of effort to unite the power of biochemical and morphological methodologies in order to elucidate the dynamic n...

journal_title：Molecular biology of the cell

authors： Matlin KS,Caplan MJ

更新日期：2017-01-15 00:00:00

abstract：:The small GTPase Ran is essential for spindle assembly. Ran is proposed to act through its nuclear import receptors importin alpha and/or importin beta to control the sequestration of proteins necessary for spindle assembly. To date, the molecular mechanisms by which the Ran pathway functions remain unclear. Using pur...

journal_title：Molecular biology of the cell

authors： Ems-McClung SC,Zheng Y,Walczak CE

更新日期：2004-01-01 00:00:00

abstract：:The skin's epidermis is a multilayered epithelial tissue and the first line of defense against mechanical stress. Its barrier function depends on an integrated assembly and reorganization of cell-matrix and cell-cell junctions in the basal layer and on different intercellular junctions in suprabasal layers. However, h...

journal_title：Molecular biology of the cell

authors： Noethel B,Ramms L,Dreissen G,Hoffmann M,Springer R,Rübsam M,Ziegler WH,Niessen CM,Merkel R,Hoffmann B

更新日期：2018-09-15 00:00:00

abstract：:The last steps of multivesicular body (MVB) formation, human immunodeficiency virus (HIV)-1 budding and cytokinesis require a functional endosomal sorting complex required for transport (ESCRT) machinery to facilitate topologically equivalent membrane fission events. Increased sodium tolerance (IST) 1, a new positive ...

journal_title：Molecular biology of the cell

authors： Agromayor M,Carlton JG,Phelan JP,Matthews DR,Carlin LM,Ameer-Beg S,Bowers K,Martin-Serrano J

更新日期：2009-03-01 00:00:00

abstract：:Autophagy is a conserved eukaryotic pathway critical for cellular adaptation to changes in nutrition levels and stress. The class III phosphatidylinositol (PI)3-kinase complexes I and II (PI3KC3-C1 and -C2) are essential for autophagosome initiation and maturation, respectively, from highly curved vesicles. We used a ...

journal_title：Molecular biology of the cell

authors： Brier LW,Ge L,Stjepanovic G,Thelen AM,Hurley JH,Schekman R

更新日期：2019-04-15 00:00:00

abstract：:Repellents evoke growth cone turning by eliciting asymmetric, localized loss of actin cytoskeleton together with changes in substratum attachment. We have demonstrated that semaphorin-3A (Sema3A)-induced growth cone detachment and collapse require eicosanoid-mediated activation of protein kinase C epsilon (PKC epsilon...

journal_title：Molecular biology of the cell

authors： Gatlin JC,Estrada-Bernal A,Sanford SD,Pfenninger KH

更新日期：2006-12-01 00:00:00

abstract：:Cell-cell fusion is an intriguing differentiation process, essential for placental development and maturation. A proteomic approach identified a cytoplasmic protein, calponin 3 (CNN3), related to the fusion of BeWo choriocarcinoma cells. CNN3 was expressed in cytotrophoblasts in human placenta. CNN3 gene knockdown pro...

journal_title：Molecular biology of the cell

authors： Shibukawa Y,Yamazaki N,Kumasawa K,Daimon E,Tajiri M,Okada Y,Ikawa M,Wada Y

更新日期：2010-11-15 00:00:00

abstract：:We recently reported that SMAP1, a GTPase-activating protein (GAP) for Arf6, directly interacts with clathrin and regulates the clathrin-dependent endocytosis of transferrin receptors from the plasma membrane. Here, we identified a SMAP1 homologue that we named SMAP2. Like SMAP1, SMAP2 exhibits GAP activity and intera...

journal_title：Molecular biology of the cell

authors： Natsume W,Tanabe K,Kon S,Yoshida N,Watanabe T,Torii T,Satake M

更新日期：2006-06-01 00:00:00

abstract：:Programmed DNA rearrangements are important processes present in many organisms. In the ciliated protozoan Tetrahymena thermophila, DNA rearrangements occur during the sexual conjugation process and lead to the deletion of thousands of specific DNA segments and fragmentation of the chromosomes. In this study, we found...

journal_title：Molecular biology of the cell

authors： Lin IT,Chao JL,Yao MC

更新日期：2012-06-01 00:00:00

abstract：:Regulated exocytosis is thought to occur either by "full fusion," where the secretory vesicle fuses with the plasma membrane (PM) via a fusion pore that then dilates until the secretory vesicle collapses into the PM; or by "kiss-and-run," where the fusion pore does not dilate and instead rapidly reseals such that the ...

journal_title：Molecular biology of the cell

authors： Sokac AM,Bement WM

更新日期：2006-04-01 00:00:00

abstract：:CD98, an early marker of T-cell activation, is an important regulator of integrin-mediated adhesion events. Previous studies suggest that CD98 is coupled to both cellular activation and transformation and is involved in the pathogenesis of viral infection, inflammatory disease, and cancer. Understanding of the molecul...

journal_title：Molecular biology of the cell

authors： Rintoul RC,Buttery RC,Mackinnon AC,Wong WS,Mosher D,Haslett C,Sethi T

更新日期：2002-08-01 00:00:00

abstract：:The oxygen sensitive alpha-subunit of the hypoxia-inducible factor-1 (HIF-1) is a major trigger of the cellular response to hypoxia. Although the posttranslational regulation of HIF-1alpha by hypoxia is well known, its transcriptional regulation by hypoxia is still under debate. We, therefore, investigated the regulat...

journal_title：Molecular biology of the cell

authors： Belaiba RS,Bonello S,Zähringer C,Schmidt S,Hess J,Kietzmann T,Görlach A

更新日期：2007-12-01 00:00:00

abstract：:The Src homology (SH2 and SH3) domains of v-Src are required for transformation of Rat-2 cells and for wild-type (morphr) transformation of chicken embryo fibroblasts (CEFs). We report herein that the N-terminal domains of v-Src, when expressed in trans, cannot complement the transformation defect of a deletion mutant...

journal_title：Molecular biology of the cell

authors： Tian M,Martin GS

更新日期：1997-07-01 00:00:00

abstract：:The secretory and autophagy pathways can be thought of as the biosynthetic (i.e., anabolic) and degradative (i.e., catabolic) branches of the endomembrane system. In analogy to anabolic and catabolic pathways in metabolism, there is mounting evidence that the secretory and autophagy pathways are intimately linked and ...

journal_title：Molecular biology of the cell

authors： Farhan H,Kundu M,Ferro-Novick S

更新日期：2017-05-01 00:00:00

abstract：:Hyaluronan (HA) in the endothelial glycocalyx serves as a mechanotransducer for high-shear-stress-stimulated endothelial nitric oxide synthase (eNOS) phosphorylation and nitric oxide (NO) production. Low shear stress (LSS) has been shown to contribute to endothelial inflammation and atherosclerosis by impairing the ba...

journal_title：Molecular biology of the cell

authors： Kong X,Chen L,Ye P,Wang Z,Zhang J,Ye F,Chen S

更新日期：2016-12-15 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