abstract：:Microtubule (MT) organization is essential for many cellular events, including mitosis, migration, and cell polarity. Fidgetin (Fign), an ATP-dependent, MT-severing protein, contributes to the regulation of MT configuration by cutting and trimming MT polymers. Functions of Fign have been indicated in neurite outgrowth...

journal_title：Molecular biology of the cell

authors： Hu Z,Feng J,Bo W,Wu R,Dong Z,Liu Y,Qiang L,Liu M

更新日期：2017-02-15 00:00:00

abstract：:ATP8A2 is a P4-ATPase that flips phosphatidylserine and phosphatidylethanolamine across cell membranes. This generates membrane phospholipid asymmetry, a property important in many cellular processes, including vesicle trafficking. ATP8A2 deficiency causes severe neurodegenerative diseases. We investigated the role of...

journal_title：Molecular biology of the cell

authors： Chalat M,Moleschi K,Molday RS

更新日期：2017-02-01 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：: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：:Surface charges at the inner leaflet of the plasma membrane may contribute to regulate the surface recruitment of key signaling factors. Phosphatidylserine (PS) is an abundant charged lipid that may regulate charge distribution in different cell types. Here we characterize the subcellular distribution and function of ...

journal_title：Molecular biology of the cell

authors： Haupt A,Minc N

更新日期：2017-01-01 00:00:00

abstract：:Microtubules (MTs) are cytoskeletal polymers composed of repeating subunits of tubulin that are ubiquitously expressed in eukaryotic cells. They undergo a stochastic process of polymerization and depolymerization from their plus ends termed dynamic instability. MT dynamics is an ongoing process in all cell types and h...

journal_title：Molecular biology of the cell

authors： Dent EW

更新日期：2017-01-01 00:00:00

abstract：:Damaged DNA-binding protein 2 (DDB2), a nuclear protein, participates in both nucleotide excision repair and mRNA transcription. The transcriptional regulatory function of DDB2 is significant in colon cancer, as it regulates metastasis. To characterize the mechanism by which DDB2 participates in transcription, we inve...

journal_title：Molecular biology of the cell

authors： Fantini D,Huang S,Asara JM,Bagchi S,Raychaudhuri P

更新日期：2017-01-01 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：:Targeted endocytosis of plasma membrane (PM) proteins allows cells to adjust their complement of membrane proteins to changing extracellular conditions. For a wide variety of PM proteins, initiation of endocytosis is triggered by ubiquitination. In yeast, arrestin-related trafficking adaptors (ARTs) enable a single ub...

journal_title：Molecular biology of the cell

authors： Guiney EL,Klecker T,Emr SD

更新日期：2016-12-15 00:00:00

abstract：:TPA-inducible sequence 11b/butyrate response factor 1 (TIS11b/BRF1) belongs to the tristetraprolin (TTP) family of zinc-finger proteins, which bind to mRNAs containing AU-rich elements in their 3'-untranslated region and target them for degradation. Regulation of TTP family function through phosphorylation by p38 MAP ...

journal_title：Molecular biology of the cell

authors： Rataj F,Planel S,Desroches-Castan A,Le Douce J,Lamribet K,Denis J,Feige JJ,Cherradi N

更新日期：2016-12-01 00:00:00

abstract：:Type IV P-type ATPases (P4-ATPases) are phospholipid flippases that translocate phospholipids from the exoplasmic (or luminal) to the cytoplasmic leaflet of lipid bilayers. In Saccharomyces cerevisiae, P4-ATPases are localized to specific subcellular compartments and play roles in compartment-mediated membrane traffic...

journal_title：Molecular biology of the cell

authors： Tanaka Y,Ono N,Shima T,Tanaka G,Katoh Y,Nakayama K,Takatsu H,Shin HW

更新日期：2016-12-01 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：:During development, coordinated cell shape changes alter tissue shape. In the Drosophila ventral furrow and other epithelia, apical constriction of hundreds of epithelial cells folds the tissue. Genes in the Gα12/13 pathway coordinate collective apical constriction, but the mechanism of coordination is poorly understo...

journal_title：Molecular biology of the cell

authors： Xie S,Mason FM,Martin AC

更新日期：2016-11-07 00:00:00

abstract：:In autosomal dominant polycystic kidney disease (ADPKD), cysts accumulate and progressively impair renal function. Mutations in PKD1 and PKD2 genes are causally linked to ADPKD, but how these mutations drive cell behaviors that underlie ADPKD pathogenesis is unknown. Human ADPKD cysts frequently express cadherin-8 (ca...

journal_title：Molecular biology of the cell

authors： Belmonte JM,Clendenon SG,Oliveira GM,Swat MH,Greene EV,Jeyaraman S,Glazier JA,Bacallao RL

更新日期：2016-11-07 00:00:00

abstract：:Pancreatic ductal adenocarcinoma (PDAC), a particularly aggressive malignancy, has been linked to atypical levels, certain mutations, and aberrant signaling of G-protein-coupled receptors (GPCRs). GPCRs have been challenging to target in cancer because they organize into complex networks in tumor cells. To dissect suc...

journal_title：Molecular biology of the cell

authors： Jorand R,Biswas S,Wakefield DL,Tobin SJ,Golfetto O,Hilton K,Ko M,Ramos JW,Small AR,Chu P,Singh G,Jovanovic-Talisman T

更新日期：2016-11-07 00:00:00

abstract：:My group and I feel tremendously honored to be recognized with the 2016 Early Career Life Scientist Award from the American Society for Cell Biology. In this essay I share the scientific questions that my lab has been excitedly pursuing since starting in August 2009 and the leadership behaviors we have adopted that en...

journal_title：Molecular biology of the cell

authors： Greco V

更新日期：2016-11-01 00:00:00

abstract：:Dysregulated hepatic cholesterol homeostasis with free cholesterol accumulation in the liver is relevant to the pathogenesis of nonalcoholic steatohepatitis, contributing to the chronicity of liver toxicity. Here we examined the effect of free cholesterol accumulation on the morphology and biochemical properties of li...

journal_title：Molecular biology of the cell

authors： Makino A,Hullin-Matsuda F,Murate M,Abe M,Tomishige N,Fukuda M,Yamashita S,Fujimoto T,Vidal H,Lagarde M,Delton I,Kobayashi T

更新日期：2016-11-01 00:00:00

abstract：:Tetraploidization, or genome doubling, is a prominent event in tumorigenesis, primarily because cell division in polyploid cells is error-prone and produces aneuploid cells. This study investigates changes in gene expression evoked in acute and adapted tetraploid cells and their effect on cell-cycle progression. Acute...

journal_title：Molecular biology of the cell

authors： Potapova TA,Seidel CW,Box AC,Rancati G,Li R

更新日期：2016-10-15 00:00:00

abstract：:During lactation, mammary epithelial cells secrete huge amounts of milk from their apical side. The current view is that caseins are secreted by exocytosis, whereas milk fat globules are released by budding, enwrapped by the plasma membrane. Owing to the number and large size of milk fat globules, the membrane surface...

journal_title：Molecular biology of the cell

authors： Honvo-Houéto E,Henry C,Chat S,Layani S,Truchet S

更新日期：2016-10-01 00:00:00

abstract：:The Notch signaling pathway plays essential roles in both animal development and human disease. Regulation of Notch receptor levels in membrane compartments has been shown to affect signaling in a variety of contexts. Here we used steady-state and pulse-labeling techniques to follow Notch receptors in sensory organ pr...

journal_title：Molecular biology of the cell

authors： Johnson SA,Zitserman D,Roegiers F

更新日期：2016-09-15 00:00:00

abstract：:During Aspergillus nidulans mitosis peripheral nuclear pore complex (NPC) proteins (Nups) disperse from the core NPC structure. Unexpectedly, one predicted peripheral Nup, Gle1, remains at the mitotic NE via an unknown mechanism. Gle1 affinity purification identified MtgA ( M: itotic T: ether for G: le1), which tether...

journal_title：Molecular biology of the cell

authors： Chemudupati M,Osmani AH,Osmani SA

更新日期：2016-09-14 00:00:00

abstract：:Secretory proteins are exported from the endoplasmic reticulum in COPII vesicles. SNARE proteins-core machinery for membrane fusion-are incorporated into COPII vesicles by direct interaction with Sec24. Here we report a novel mechanism for sorting of the ER-Golgi Q-SNAREs into COPII vesicles. Different mammalian Sec24...

journal_title：Molecular biology of the cell

authors： Adolf F,Rhiel M,Reckmann I,Wieland FT

更新日期：2016-09-01 00:00:00

abstract：:During interactions with its mammalian host, the pathogenic yeast Candida albicans is exposed to a range of stresses such as superoxide radicals and cationic fluxes. Unexpectedly, a nonbiased screen of transcription factor deletion mutants revealed that the phosphate-responsive transcription factor Pho4 is vital for t...

journal_title：Molecular biology of the cell

authors： Ikeh MA,Kastora SL,Day AM,Herrero-de-Dios CM,Tarrant E,Waldron KJ,Banks AP,Bain JM,Lydall D,Veal EA,MacCallum DM,Erwig LP,Brown AJ,Quinn J

更新日期：2016-09-01 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：:For several decades, the trans-Golgi network (TGN) was considered the most distal stop and hence the ultimate protein-sorting station for distinct apical and basolateral transport carriers that reach their respective surface domains in the direct trafficking pathway. However, recent reports of apical and basolateral c...

journal_title：Molecular biology of the cell

authors： Treyer A,Pujato M,Pechuan X,Müsch A

更新日期：2016-07-15 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：:Signals conveyed through the RAS-ERK pathway are essential for the determination of cell fate. It is well established that signal variability is achieved in the different microenvironments in which signals unfold. It is also known that signal duration is critical for decisions concerning cell commitment. However, it i...

journal_title：Molecular biology of the cell

authors： Herrero A,Casar B,Colón-Bolea P,Agudo-Ibáñez L,Crespo P

更新日期：2016-06-15 00:00:00

abstract：:In mammals, a finite population of oocytes is generated during embryogenesis, and proper oocyte meiotic divisions are crucial for fertility. Sperm-associated antigen 1 (SPAG-1) has been implicated in infertility and tumorigenesis; however, its relevance in cell cycle programs remains rudimentary. Here we explore a nov...

journal_title：Molecular biology of the cell

authors： Huang C,Wu D,Khan FA,Jiao X,Guan K,Huo L

更新日期：2016-06-01 00:00:00

abstract：:Defining how organisms respond to environmental change has always been an important step toward understanding their adaptive capacity and physiology. Variation in transcription during stress has been widely described in model species, especially in the yeast Saccharomyces cerevisiae, which helped to shape general rule...

journal_title：Molecular biology of the cell

authors： Brion C,Pflieger D,Souali-Crespo S,Friedrich A,Schacherer J

更新日期：2016-05-15 00:00:00

abstract：:The mitochondrial cytochrome c oxidase assembles in the inner membrane from subunits of dual genetic origin. The assembly process of the enzyme is initiated by membrane insertion of the mitochondria-encoded Cox1 subunit. During complex maturation, transient assembly intermediates, consisting of structural subunits and...

journal_title：Molecular biology of the cell

authors： Bareth B,Nikolov M,Lorenzi I,Hildenbeutel M,Mick DU,Helbig C,Urlaub H,Ott M,Rehling P,Dennerlein S

更新日期：2016-05-15 00:00:00

abstract：:The reovirus fusion-associated small transmembrane (FAST) proteins comprise a unique family of viral membrane fusion proteins dedicated to inducing cell-cell fusion. We recently reported that a polybasic motif (PBM) in the cytosolic tail of reptilian reovirus p14 FAST protein functions as a novel tribasic Golgi export...

journal_title：Molecular biology of the cell

authors： Parmar HB,Duncan R

更新日期：2016-04-15 00:00:00

abstract：:WDR92 is a highly conserved WD-repeat protein that has been proposed to be involved in apoptosis and also to be part of a prefoldin-like cochaperone complex. We found that WDR92 has a phylogenetic signature that is generally compatible with it playing a role in the assembly or function of specifically motile cilia. To...

journal_title：Molecular biology of the cell

authors： Patel-King RS,King SM

更新日期：2016-04-15 00:00:00

abstract：:The receptor-tyrosine kinase (RTK)/Ras/Raf pathway is an essential cascade for mediating growth factor signaling. It is abnormally overactive in almost all human cancers. The downstream targets of the pathway are members of the extracellular regulated kinases (Erk1/2) family, suggesting that this family is a mediator ...

journal_title：Molecular biology of the cell

authors： Smorodinsky-Atias K,Goshen-Lago T,Goldberg-Carp A,Melamed D,Shir A,Mooshayef N,Beenstock J,Karamansha Y,Darlyuk-Saadon I,Livnah O,Ahn NG,Admon A,Engelberg D

更新日期：2016-03-15 00:00:00

abstract：:During oogenesis, two successive meiotic cell divisions occur without functional centrosomes because of the inactivation and subsequent elimination of maternal centrosomes during the diplotene stage of meiosis I. Despite being a conserved phenomenon in most metazoans, the means by which this centrosome behavior is con...

journal_title：Molecular biology of the cell

authors： Matsuura R,Ashikawa T,Nozaki Y,Kitagawa D

更新日期：2016-03-01 00:00:00

abstract：:Since 2008, the autophagy community has periodically published a set of guidelines, currently titled "Guidelines for the Use and Interpretation of Assays for Monitoring Autophagy." The newest version of the guidelines was published in 2016. There are many reasons for establishing a set of guidelines in a given researc...

journal_title：Molecular biology of the cell

authors： Klionsky DJ

更新日期：2016-03-01 00:00:00

abstract：:Giant axonal neuropathy (GAN) is a rare disease caused by mutations in the GAN gene, which encodes gigaxonin, an E3 ligase adapter that targets intermediate filament (IF) proteins for degradation in numerous cell types, including neurons and fibroblasts. The cellular hallmark of GAN pathology is the formation of large...

journal_title：Molecular biology of the cell

authors： Lowery J,Jain N,Kuczmarski ER,Mahammad S,Goldman A,Gelfand VI,Opal P,Goldman RD

更新日期：2016-02-15 00:00:00

abstract：:Although all microtubules within a single cell are polymerized from virtually identical subunits, different microtubule populations carry out specialized and diverse functions, including directional transport, force generation, and cellular morphogenesis. Functional differentiation requires specific targeting of assoc...

journal_title：Molecular biology of the cell

authors： Liu J,He Y,Benmerzouga I,Sullivan WJ Jr,Morrissette NS,Murray JM,Hu K

更新日期：2016-02-01 00:00:00

abstract：:Mitochondrial DNA (mtDNA) deletions are associated with various mitochondrial disorders. The deletions identified in humans are flanked by short, directly repeated mitochondrial DNA sequences; however, the mechanism of such DNA rearrangements has yet to be elucidated. In contrast to nuclear DNA (nDNA), mtDNA is more e...

journal_title：Molecular biology of the cell

authors： Tadi SK,Sebastian R,Dahal S,Babu RK,Choudhary B,Raghavan SC

更新日期：2016-01-15 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：:Macrophages and dendritic cells exposed to lipopolysaccharide (LPS) convert their lysosomes from small, punctate organelles into a network of tubules. Tubular lysosomes have been implicated in phagosome maturation, retention of fluid phase, and antigen presentation. There is a growing appreciation that lysosomes act a...

journal_title：Molecular biology of the cell

authors： Saric A,Hipolito VE,Kay JG,Canton J,Antonescu CN,Botelho RJ

更新日期：2016-01-15 00:00:00