Sequential actions of myotubularin lipid phosphatases regulate endosomal PI(3)P and growth factor receptor trafficking.

abstract：:The perinucleolar compartment (PNC) is a nuclear substructure present in transformed cells. The PNC is defined by high concentrations of certain RNA binding proteins and a subset of small RNAs transcribed by RNA polymerase III (pol III), including the signal recognition particle RNA and an Alu RNA as reported here. To...

journal_title：Molecular biology of the cell

authors： Wang C,Politz JC,Pederson T,Huang S

更新日期：2003-06-01 00:00:00

abstract：:In biogenesis of membrane proteins on the endoplasmic reticulum, a protein-conducting channel called the translocon functions in both the membrane translocation of lumenal domains and the integration of transmembrane segments. Here we analyzed the environments of polypeptide chains during the processes by water-depend...

journal_title：Molecular biology of the cell

authors： Kida Y,Kume C,Hirano M,Sakaguchi M

更新日期：2010-02-01 00:00:00

abstract：:The exocyst is an evolutionarily conserved octameric protein complex that tethers post-Golgi secretory vesicles at the plasma membrane for exocytosis. To elucidate the mechanism of vesicle tethering, it is important to understand how the exocyst physically associates with the plasma membrane (PM). In this study, we re...

journal_title：Molecular biology of the cell

authors： Liu J,Zuo X,Yue P,Guo W

更新日期：2007-11-01 00:00:00

abstract：:In the budding yeast Saccharomyces cerevisiae, selection of the bud site determines the axis of polarized cell growth and eventual oriented cell division. Bud sites are selected in specific patterns depending on cell type. These patterns appear to depend on distinct types of marker proteins in the cell cortex; in part...

journal_title：Molecular biology of the cell

authors： Kang PJ,Angerman E,Nakashima K,Pringle JR,Park HO

更新日期：2004-11-01 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：:Members of the ADP-ribosylation factor (Arf) family of small GTPases are implicated in vesicle traffic in the secretory pathway, although their precise function remains unclear. We generated a series of 23 clustered charge-to-alanine mutations in the Arf1 protein of Saccharomyces cerevisiae to determine the portions o...

journal_title：Molecular biology of the cell

authors： Click ES,Stearns T,Botstein D

更新日期：2002-05-01 00:00:00

abstract：:The septins are a family of homologous proteins that were originally identified in Saccharomyces cerevisiae, where they are associated with the "neck filaments" and are involved in cytokinesis and other aspects of the organization of the cell surface. We report here the identification of Sep1, a Drosophila melanogaste...

journal_title：Molecular biology of the cell

authors： Fares H,Peifer M,Pringle JR

更新日期：1995-12-01 00:00:00

abstract：:Lumen establishment and maintenance are fundamental for tubular organs physiological functions. Most of the studies investigating the mechanisms regulating this process have been carried out in cell cultures or in smaller organisms, whereas little has been done in mammalian model systems in vivo. Here we used the sali...

journal_title：Molecular biology of the cell

authors： Shitara A,Malec L,Ebrahim S,Chen D,Bleck C,Hoffman MP,Weigert R

更新日期：2019-02-01 00:00:00

abstract：:A major regulatory function has been evidenced here for HSF1, the key transcription factor of the heat-shock response, in a large-scale remodeling of the cell epigenome. Indeed, upon heat shock, HSF1, in addition to its well-known transactivating activities, mediates a genome-wide and massive histone deacetylation. In...

journal_title：Molecular biology of the cell

authors： Fritah S,Col E,Boyault C,Govin J,Sadoul K,Chiocca S,Christians E,Khochbin S,Jolly C,Vourc'h C

更新日期：2009-12-01 00:00:00

abstract：:The kinesin superfamily of microtubule motor proteins is important in many cellular processes, including mitosis and meiosis, vesicle transport, and the establishment and maintenance of cell polarity. We have characterized two related kinesins in fission yeast, klp5+ and klp6+,, that are amino-terminal motors of the K...

journal_title：Molecular biology of the cell

authors： West RR,Malmstrom T,Troxell CL,McIntosh JR

更新日期：2001-12-01 00:00:00

abstract：:Time-lapse fluorescence microscopy is an important tool for measuring in vivo gene dynamics in single cells. However, fluorescent proteins are limited by slow chromophore maturation times and the cellular autofluorescence or phototoxicity that arises from light excitation. An alternative is luciferase, an enzyme that ...

journal_title：Molecular biology of the cell

authors： Mazo-Vargas A,Park H,Aydin M,Buchler NE

更新日期：2014-11-05 00:00:00

abstract：:Episialin (MUC1, PEM, EMA, CA15-3 antigen) is a sialylated, membrane-associated glycoprotein with an extended mucin-like ectodomain. This domain mainly consists of 30-90 homologous 20-amino acid repeats that are rich in O-glycosylation sites (serines and threonines). It is likely that this part forms a polyproline bet...

journal_title：Molecular biology of the cell

authors： Wesseling J,van der Valk SW,Hilkens J

更新日期：1996-04-01 00:00:00

abstract：:In Saccharomyces cerevisiae, many osmotically inducible genes are regulated by the Sko1p-Ssn6p-Tup1p complex. On osmotic shock, the MAP kinase Hog1p associates with this complex, phosphorylates Sko1p, and converts it into an activator that subsequently recruits Swi/Snf and SAGA complexes. We have found that phospholip...

journal_title：Molecular biology of the cell

authors： Guha N,Desai P,Vancura A

更新日期：2007-07-01 00:00:00

abstract：:Multiple tau gene mutations are pathogenic for hereditary frontotemporal dementia and parkinsonism linked to chromosome 17 (FTDP-17), with filamentous tau aggregates as the major lesions in the CNS of these patients. Recent studies have shown that bacterially expressed recombinant tau proteins with FTDP-17 missense mu...

journal_title：Molecular biology of the cell

authors： Vogelsberg-Ragaglia V,Bruce J,Richter-Landsberg C,Zhang B,Hong M,Trojanowski JQ,Lee VM

更新日期：2000-12-01 00:00:00

abstract：:Although there is considerable evidence implicating posttranslational mechanisms in the development of epithelial cell polarity, little is known about the patterns of gene expression and transcriptional regulation during this process. We characterized the temporal program of gene expression during cell-cell adhesion-i...

journal_title：Molecular biology of the cell

authors： Halbleib JM,Sääf AM,Brown PO,Nelson WJ

更新日期：2007-11-01 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 engagement of integrin alpha7 in E63 skeletal muscle cells by laminin or anti-alpha7 antibodies triggered transient elevations in the intracellular free Ca(2+) concentration that resulted from both inositol triphosphate-evoked Ca(2+) release from intracellular stores and extracellular Ca(2+) influx through voltage...

journal_title：Molecular biology of the cell

authors： Kwon MS,Park CS,Choi K,Ahnn J,Kim JI,Eom SH,Kaufman SJ,Song WK

更新日期：2000-04-01 00:00:00

abstract：:The Rab11 effector Rab11-family interacting protein 2 (Rab11-FIP2) regulates transcytosis through its interactions with Rab11a and myosin Vb. Previous studies implicated Rab11-FIP2 in the establishment of polarity in Madin-Darby canine kidney (MDCK) cells through phosphorylation of Ser-227 by MARK2. Here we examine th...

journal_title：Molecular biology of the cell

authors： Lapierre LA,Avant KM,Caldwell CM,Oztan A,Apodaca G,Knowles BC,Roland JT,Ducharme NA,Goldenring JR

更新日期：2012-06-01 00:00:00

abstract：:Multisite phosphorylation of proteins is a powerful signal processing mechanism that plays crucial roles in cell division and differentiation as well as in disease. We recently demonstrated a novel phenomenon in cell cycle regulation by showing that cyclin-dependent kinase-dependent multisite phosphorylation of a cruc...

journal_title：Molecular biology of the cell

authors： Valk E,Venta R,Ord M,Faustova I,Kõivomägi M,Loog M

更新日期：2014-11-05 00:00:00

abstract：:Activation of the NADPH oxidase of phagocytic cells requires the action of Rac2 or Rac1, members of the Ras superfamily of GTP-binding proteins. Rac proteins are active when in the GTP-bound form and can be regulated by a variety of proteins that modulate the exchange of GDP for GTP and/or GTP hydrolysis. The p190 Rac...

journal_title：Molecular biology of the cell

authors： Heyworth PG,Knaus UG,Settleman J,Curnutte JT,Bokoch GM

更新日期：1993-11-01 00:00:00

abstract：:Signaling via the Ras pathway involves sequential activation of Ras, Raf-1, mitogen-activated protein kinase kinase (MKK), and the extracellular signal-regulated (ERK) group of mitogen-activated protein (MAP) kinases. Expression from the c-Fos, atrial natriuretic factor (ANF), and myosin light chain-2 (MLC-2) promoter...

journal_title：Molecular biology of the cell

authors： Thorburn J,Carlson M,Mansour SJ,Chien KR,Ahn NG,Thorburn A

更新日期：1995-11-01 00:00:00

abstract：:The 30-nm fiber is commonly formed by oligonucleosome arrays in vitro but rarely found inside cells. To determine how chromatin higher-order structure is controlled, we used electron cryotomography (cryo-ET) to study the undigested natural chromatin released from two single-celled organisms in which 30-nm fibers have ...

journal_title：Molecular biology of the cell

authors： Cai S,Song Y,Chen C,Shi J,Gan L

更新日期：2018-07-01 00:00:00

abstract：:The E3 ubiquitin ligase Rad18 chaperones DNA polymerase η (Polη) to sites of UV-induced DNA damage and monoubiquitinates proliferating cell nuclear antigen (PCNA), facilitating engagement of Polη with stalled replication forks and promoting translesion synthesis (TLS). It is unclear how Rad18 activities are coordinate...

journal_title：Molecular biology of the cell

authors： Barkley LR,Palle K,Durando M,Day TA,Gurkar A,Kakusho N,Li J,Masai H,Vaziri C

更新日期：2012-05-01 00:00:00

abstract：:Despite the fact that the chromosomal passenger complex is well known to regulate kinetochore behavior in mitosis, no functional link has yet been established between the complex and kinetochore structure. In addition, remarkably little is known about how the complex targets to centromeres. Here, in a study of caspase...

journal_title：Molecular biology of the cell

authors： Faragher AJ,Sun XM,Butterworth M,Harper N,Mulheran M,Ruchaud S,Earnshaw WC,Cohen GM

更新日期：2007-04-01 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：:In Schizosaccharomyces pombe, the Sty1 mitogen-activated protein kinase and the Atf1 transcription factor control transcriptional induction in response to elevated salt concentrations. Herein, we demonstrate that two repressors, Tup11 and Tup12, and the Prr1 transcription factor also function in the response to salt s...

journal_title：Molecular biology of the cell

authors： Greenall A,Hadcroft AP,Malakasi P,Jones N,Morgan BA,Hoffman CS,Whitehall SK

更新日期：2002-09-01 00:00:00

abstract：:Phospholipase Ds (PLDs) are regulated enzymes that generate phosphatidic acid (PA), a putative second messenger implicated in the regulation of vesicular trafficking and cytoskeletal reorganization. Mast cells, when stimulated with antigen, show a dramatic alteration in their cytoskeleton and also release their secret...

journal_title：Molecular biology of the cell

authors： O'Luanaigh N,Pardo R,Fensome A,Allen-Baume V,Jones D,Holt MR,Cockcroft S

更新日期：2002-10-01 00:00:00

abstract：:The role of platelet endothelial cell adhesion molecule-1 (PECAM-1) in endothelial cell-cell interactions and its contribution to cadherin-mediated cell adhesion are poorly understood. Such studies have been difficult because all known endothelial cells express PECAM-1. We have used Madin-Darby canine kidney (MDCK) ce...

journal_title：Molecular biology of the cell

authors： Sheibani N,Sorenson CM,Frazier WA

更新日期：2000-08-01 00:00:00

abstract：:Accurate chromosome alignment at metaphase facilitates the equal segregation of sister chromatids to each of the nascent daughter cells. Lack of proper metaphase alignment is an indicator of defective chromosome congression and aberrant kinetochore-microtubule attachments which in turn promotes chromosome missegregati...

journal_title：Molecular biology of the cell

authors： Braga LG,Prifti DK,Garand C,Saini PK,Elowe S

更新日期：2020-10-21 00:00:00

abstract：:Prohibitins comprise a remarkably conserved protein family in eukaryotic cells with proposed functions in cell cycle progression, senescence, apoptosis, and the regulation of mitochondrial activities. Two prohibitin homologues, Phb1 and Phb2, assemble into a high molecular weight complex of approximately 1.2 MDa in th...

journal_title：Molecular biology of the cell

authors： Tatsuta T,Model K,Langer T

更新日期：2005-01-01 00:00:00