Nucleotide exchange factors for Hsp70s are required for [URE3] prion propagation in Saccharomyces cerevisiae.

abstract：:Polyubiquitination marks proteins for degradation by the 26S proteasome and is carried out by a cascade of enzymes that includes ubiquitin-activating enzymes (E1s), ubiquitin-conjugating enzymes (E2s), and ubiquitin ligases (E3s). The anaphase-promoting complex or cyclosome (APC/C) comprises a multisubunit ubiquitin l...

journal_title：Molecular biology of the cell

authors： Leverson JD,Joazeiro CA,Page AM,Huang Hk,Hieter P,Hunter T

更新日期：2000-07-01 00:00:00

abstract：:A key question in eukaryotic differentiation is whether there are common regulators or biochemical events that are required for diverse types of differentiation or whether there is a core mechanism for differentiation. The unicellular model organism Saccharomyces cerevisiae undergoes filamentous differentiation in res...

journal_title：Molecular biology of the cell

authors： Jiang YW,Kang CM

更新日期：2003-12-01 00:00:00

abstract：:Ubiquitination is a reversible modification that influences a broad range of physiological processes. There are approximately 90 deubiquitinases (DUBs) encoded in the human genome, of which 79 are predicted to have catalytic activity. We tagged 66 DUBs with green fluorescent protein and systematically surveyed their s...

journal_title：Molecular biology of the cell

authors： Urbé S,Liu H,Hayes SD,Heride C,Rigden DJ,Clague MJ

更新日期：2012-03-01 00:00:00

abstract：:Glycoprotein gp130, found on the plasma membrane of Dictyostelium discoideum amoebae, was postulated previously to play a role in phagocytosis. The gene for gp130 was cloned and when translated, yielded a 768 amino acid preproprotein of 85.3 kDa. It had nearly 40% similarity to the 138 kDa family of glycoproteins impl...

journal_title：Molecular biology of the cell

authors： Chia CP,Gomathinayagam S,Schmaltz RJ,Smoyer LK

更新日期：2005-06-01 00:00:00

abstract：:Eukaryotic cell survival requires maintenance of plasma membrane (PM) homeostasis in response to environmental insults and changes in lipid metabolism. In yeast, a key regulator of PM homeostasis is target of rapamycin (TOR) complex 2 (TORC2), a multiprotein complex containing the evolutionarily conserved TOR protein ...

journal_title：Molecular biology of the cell

authors： Martinez Marshall MN,Emmerstorfer-Augustin A,Leskoske KL,Zhang LH,Li B,Thorner J

更新日期：2019-06-01 00:00:00

abstract：:Dynamic regulation of cytoskeletal contractility through phosphorylation of the nonmuscle Myosin-II regulatory light chain (MRLC) provides an essential source of tension for shaping epithelial tissues. Rho GTPase and its effector kinase ROCK have been implicated in regulating MRLC phosphorylation in vivo, but evidence...

journal_title：Molecular biology of the cell

authors： Neubueser D,Hipfner DR

更新日期：2010-08-15 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：:Nucleostemin (NS) is expressed in the nucleoli of adult and embryonic stem cells and in many tumors and tumor-derived cell lines. In coimmunoprecipitation experiments, nucleostemin is recovered with the tumor suppressor p53, and more recently we have demonstrated that nucleostemin exerts its role in cell cycle progres...

journal_title：Molecular biology of the cell

authors： Ma H,Pederson T

更新日期：2008-07-01 00:00:00

abstract：:Microtubules (MTs) often form a polarized array with minus-ends anchored at the centrosome and plus-ends extended towards the cell margins. Plus-ends display behavior known as dynamic instability, - transitions between rapid shortening and slow growth. It is known that dynamic instability is regulated locally to ensur...

journal_title：Molecular biology of the cell

authors： Burakov A,Vorobjev I,Semenova I,Cowan A,Carson J,Wu Y,Rodionov V

更新日期：2021-01-13 00:00:00

abstract：:SNAP-23 is a plasma membrane-localized soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNARE) involved in Fc receptor (FcR)-mediated phagocytosis. However, the regulatory mechanism underlying its function remains elusive. Using phosphorylation-specific antibodies, SNAP-23 was found to be phosph...

journal_title：Molecular biology of the cell

authors： Sakurai C,Itakura M,Kinoshita D,Arai S,Hashimoto H,Wada I,Hatsuzawa K

更新日期：2018-07-15 00:00:00

abstract：:Nuclear Dbf2-related (NDR) protein kinases are essential components of regulatory pathways involved in cell morphogenesis, cell cycle control, and viability in eukaryotic cells. For their activity and function, these kinases require interaction with Mob proteins. However, little is known about how the Mob proteins are...

journal_title：Molecular biology of the cell

authors： Gutiérrez-Escribano P,González-Novo A,Suárez MB,Li CR,Wang Y,de Aldana CR,Correa-Bordes J

更新日期：2011-07-15 00:00:00

abstract：:Whereas lysosome-related organelles (LRO) of specialized cells display both exocytic and endocytic features, lysosomes in nonspecialized cells can also acquire the property to fuse with the plasma membrane upon an acute rise in cytosolic calcium. Here, we characterize this unconventional secretory pathway in fibroblas...

journal_title：Molecular biology of the cell

authors： Laulagnier K,Schieber NL,Maritzen T,Haucke V,Parton RG,Gruenberg J

更新日期：2011-06-15 00:00:00

abstract：:Hypoxia-inducible factors (HIF-1 and HIF-2) are essential mediators for the adaptive transcriptional response of cells and tissues to low-oxygen conditions. Under hypoxia or when cells are treated with various nonhypoxic stimuli, the active HIF-α subunits are mainly regulated through increased protein stabilization. F...

journal_title：Molecular biology of the cell

authors： Lafleur VN,Richard S,Richard DE

更新日期：2014-03-01 00:00:00

abstract：:Notch and neurotrophins control neuronal shape, but it is not known whether their signaling pathways intersect. Here we report results from hippocampal neuronal cultures that are in support of this possibility. We found that low cell density or blockade of Notch signaling by a soluble Delta-Fc ligand decreased the mRN...

journal_title：Molecular biology of the cell

authors： Salama-Cohen P,Arévalo MA,Meier J,Grantyn R,Rodríguez-Tébar A

更新日期：2005-01-01 00:00:00

abstract：:We report the identification of Cdc7/Dbf4 phosphorylation sites in human MCM2 and the determination of the role of Cdc7/Dbf4 phosphorylation of MCM2 in the initiation of DNA replication. Using immunoblotting, immunofluorescence, and high-speed automated cell-imaging analyses with antibodies specific against MCM2 and C...

journal_title：Molecular biology of the cell

authors： Tsuji T,Ficarro SB,Jiang W

更新日期：2006-10-01 00:00:00

abstract：:A morphogenesis checkpoint in budding yeast delays nuclear division (and subsequent cell cycle progression) in cells that have failed to make a bud. We show that the ability of this checkpoint to delay nuclear division requires the SWE1 gene, encoding a protein kinase that inhibits the master cell cycle regulatory kin...

journal_title：Molecular biology of the cell

authors： Sia RA,Herald HA,Lew DJ

更新日期：1996-11-01 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：:Synaptic vesicles (SV) are generated by two different mechanisms, one AP-2 dependent and one AP-3 dependent. It has been uncertain, however, whether these mechanisms generate SV that differ in molecular composition. We explored this hypothesis by analyzing the targeting of ZnT3 and synaptophysin both to PC12 synaptic-...

journal_title：Molecular biology of the cell

authors： Salazar G,Love R,Werner E,Doucette MM,Cheng S,Levey A,Faundez V

更新日期：2004-02-01 00:00:00

abstract：:ARVCF, an armadillo-repeat protein of the p120(ctn) family, associates with classical cadherins and is present in adherens junctions, but its function is poorly understood. Here, we show that ARVCF interacts via a C-terminal PDZ-binding motif with zonula occludens (ZO)-1 and ZO-2. ARVCF and ZO-1 partially colocalize i...

journal_title：Molecular biology of the cell

authors： Kausalya PJ,Phua DC,Hunziker W

更新日期：2004-12-01 00:00:00

abstract：:When Candida albicans yeast cells receive the appropriate stimulus, they switch to hyphal growth, characterized by continuous apical elongation and the inhibition of cell separation. The molecular basis of this inhibition is poorly known, despite its crucial importance for hyphal development. In C. albicans, septins a...

journal_title：Molecular biology of the cell

authors： González-Novo A,Correa-Bordes J,Labrador L,Sánchez M,Vázquez de Aldana CR,Jiménez J

更新日期：2008-04-01 00:00:00

abstract：:Trimming of N-linked oligosaccharides by endoplasmic reticulum (ER) glucosidase II is implicated in quality control of protein folding. An alternate glucosidase II-independent deglucosylation pathway exists, in which endo-alpha-mannosidase cleaves internally the glucose-substituted mannose residue of oligosaccharides....

journal_title：Molecular biology of the cell

authors： Zuber C,Spiro MJ,Guhl B,Spiro RG,Roth J

更新日期：2000-12-01 00:00:00

abstract：:Telomere dysfunction results in fertility defects in a number of organisms. Although data from fission yeast and Caenorhabditis elegans suggests that telomere dysfunction manifests itself primarily as defects in proper meiotic chromosome segregation, it is unclear how mammalian telomere dysfunction results in germ cel...

journal_title：Molecular biology of the cell

authors： Hemann MT,Rudolph KL,Strong MA,DePinho RA,Chin L,Greider CW

更新日期：2001-07-01 00:00:00

abstract：:EB1 proteins are ubiquitous microtubule-associated proteins involved in microtubule search and capture, regulation of microtubule dynamics, cell polarity, and chromosome stability. We have cloned a complete cDNA of Dictyostelium EB1 (DdEB1), the largest known EB1 homolog (57 kDa). Immunofluorescence analysis and expre...

journal_title：Molecular biology of the cell

authors： Rehberg M,Gräf R

更新日期：2002-07-01 00:00:00

abstract：:The scaffold protein XB130 regulates cell growth, survival, and migration. Yeast two-hybrid screening suggests that XB130 interacts with another scaffold protein, Tks5. We hypothesized that XB130 and Tks5 form a macromolecular complex to mediate signal transduction cascades for the regulation of cell growth and surviv...

journal_title：Molecular biology of the cell

authors： Moodley S,Hui Bai X,Kapus A,Yang B,Liu M

更新日期：2015-12-01 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：:During a search for genes controlling conidial dormancy in Aspergillus fumigatus, two dehydrin-like genes, DprA and DprB, were identified. The deduced proteins had repeated stretches of 23 amino acids that contained a conserved dehydrin-like protein (DPR) motif. Disrupted DprAΔ mutants were hypersensitive to oxidative...

journal_title：Molecular biology of the cell

authors： Wong Sak Hoi J,Lamarre C,Beau R,Meneau I,Berepiki A,Barre A,Mellado E,Read ND,Latgé JP

更新日期：2011-06-01 00:00:00

abstract：:Anaplastic gliomas, the most common and malignant of primary brain tumors, frequently contain activating mutations and amplifications in promigratory signal transduction pathways. However, targeting these pathways with individual signal transduction inhibitors does not appreciably reduce tumor invasion, because these ...

journal_title：Molecular biology of the cell

authors： Ivkovic S,Beadle C,Noticewala S,Massey SC,Swanson KR,Toro LN,Bresnick AR,Canoll P,Rosenfeld SS

更新日期：2012-02-01 00:00:00

abstract：:Endoplasmic reticulum (ER) calcium homeostasis is disrupted in diverse pathologies, including neurodegeneration, cardiovascular diseases, and diabetes. Temporally defining calcium dysregulation during disease progression, however, has been challenging. Here we describe secreted ER calcium-monitoring proteins (SERCaMPs...

journal_title：Molecular biology of the cell

authors： Henderson MJ,Wires ES,Trychta KA,Richie CT,Harvey BK

更新日期：2014-09-15 00:00:00

abstract：:Tumor cells use actin-rich protrusions called invadopodia to degrade extracellular matrix (ECM) and invade tissues; related structures, termed podosomes, are sites of dynamic ECM interaction. We show here that supervillin (SV), a peripheral membrane protein that binds F-actin and myosin II, reorganizes the actin cytos...

journal_title：Molecular biology of the cell

authors： Crowley JL,Smith TC,Fang Z,Takizawa N,Luna EJ

更新日期：2009-02-01 00:00:00

abstract：:Many integrin receptors localize to focal contact sites upon binding their ligand. However, unoccupied integrin receptors do not localize to focal contact sites. Because the integrin beta 1 cytoplasmic domain appears to have a focal contact localization signal, there must be a mechanism by which this domain is kept in...

journal_title：Molecular biology of the cell

authors： Briesewitz R,Kern A,Marcantonio EE

更新日期：1993-06-01 00:00:00