A microtubule bestiary: structural diversity in tubulin polymers.

abstract：:When demembranated sperm nuclei are placed in a Xenopus egg extract, they become surrounded by a nuclear envelope and then swell to form morphologically typical pronuclei. Granules ranging from < 1.0 to approximately 3.0 microns in diameter appear within such nuclei. Bell et al. identified four nucleolar proteins in t...

journal_title：Molecular biology of the cell

authors： Bauer DW,Murphy C,Wu Z,Wu CH,Gall JG

更新日期：1994-06-01 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：:Two cDNAs encoding casein kinase-1 have been isolated from a yeast cDNA library and termed CKI1 and CKI2. Each clone encodes a protein of approximately 62,000 Da containing a highly conserved protein kinase domain surrounded by variable amino- and carboxy-terminal domains. The proteins also contain two conserved carbo...

journal_title：Molecular biology of the cell

authors： Wang PC,Vancura A,Mitcheson TG,Kuret J

更新日期：1992-03-01 00:00:00

abstract：:Wee1 inactivates the Cdc2-cyclin B complex during interphase by phosphorylating Cdc2 on Tyr-15. The activity of Wee1 is highly regulated during the cell cycle. In frog egg extracts, it has been established previously that Xenopus Wee1 (Xwee1) is present in a hypophosphorylated, active form during interphase and underg...

journal_title：Molecular biology of the cell

authors： Lee J,Kumagai A,Dunphy WG

更新日期：2001-03-01 00:00:00

abstract：:In vitro studies suggest that the Barren protein may function as an activator of DNA topoisomerase II and/or as a component of the Xenopus condensin complex. To better understand the role of Barren in vivo, we generated conditional alleles of the structural gene for Barren (BRN1) in Saccharomyces cerevisiae. We show t...

journal_title：Molecular biology of the cell

authors： Lavoie BD,Tuffo KM,Oh S,Koshland D,Holm C

更新日期：2000-04-01 00:00:00

abstract：:We recently identified transmembrane protein shrew-1 and showed that it is able to target to adherens junctions in polarized epithelial cells. This suggested shrew-1 possesses specific basolateral sorting motifs, which we analyzed by mutational analysis. Systematic mutation of amino acids in putative sorting signals i...

journal_title：Molecular biology of the cell

authors： Jakob V,Schreiner A,Tikkanen R,Starzinski-Powitz A

更新日期：2006-08-01 00:00:00

abstract：:Although some of the principles of N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE) function are well understood, remarkably little detail is known about sec1/munc18 (SM) protein function and its relationship to SNAREs. Popular models of SM protein function hold that these proteins promote or main...

journal_title：Molecular biology of the cell

authors： Williams AL,Ehm S,Jacobson NC,Xu D,Hay JC

更新日期：2004-01-01 00:00:00

abstract：:CRM1 (Exportin1/XPO1) exports hundreds of broadly functioning protein cargoes out of the cell nucleus by binding to their classical nuclear export signals (NESs). The 8- to 15-amino-acid-long NESs contain four to five hydrophobic residues and are highly diverse in both sequence and CRM1-bound structure. Here we examin...

journal_title：Molecular biology of the cell

authors： Fu SC,Fung HYJ,Cağatay T,Baumhardt J,Chook YM

更新日期：2018-08-15 00:00:00

abstract：:The clinical interest in farnesyltransferase inhibitors (FTIs) makes it important to understand how these compounds affect cellular processes involving farnesylated proteins. Mitotic abnormalities observed after treatment with FTIs have so far been attributed to defects in the farnesylation of the outer kinetochore pr...

journal_title：Molecular biology of the cell

authors： Holland AJ,Reis RM,Niessen S,Pereira C,Andres DA,Spielmann HP,Cleveland DW,Desai A,Gassmann R

更新日期：2015-05-15 00:00:00

abstract：:Vascular endothelial growth factor (VEGF, VEGF-A) is a major regulator of physiological and pathological angiogenesis. One feature of VEGF is the existence of multiple isoforms arising from alternative exon splicing. Our initial biochemical and biological studies indicated that such isoforms are uniquely suited to gen...

journal_title：Molecular biology of the cell

authors： Ferrara N

更新日期：2010-03-01 00:00:00

abstract：:In response to engagement of surface molecules, cells generate active forces that regulate many cellular processes. Developing tools that permit gathering mechanical and morphological information on these forces is of the utmost importance. Here we describe a new technique, the micropipette force probe, that uses a mi...

journal_title：Molecular biology of the cell

authors： Sawicka A,Babataheri A,Dogniaux S,Barakat AI,Gonzalez-Rodriguez D,Hivroz C,Husson J

更新日期：2017-11-07 00:00:00

abstract：:The Lec35 gene product (Lec35p) is required for utilization of the mannose donor mannose-P-dolichol (MPD) in synthesis of both lipid-linked oligosaccharides (LLOs) and glycosylphosphatidylinositols, which are important for functions such as protein folding and membrane anchoring, respectively. The hamster Lec35 gene i...

journal_title：Molecular biology of the cell

authors： Anand M,Rush JS,Ray S,Doucey MA,Weik J,Ware FE,Hofsteenge J,Waechter CJ,Lehrman MA

更新日期：2001-02-01 00:00:00

abstract：:The protein composition of the plasma membrane is rapidly remodeled in response to changes in nutrient availability or cellular stress. This occurs, in part, through the selective ubiquitylation and endocytosis of plasma membrane proteins, which in the yeast Saccharomyces cerevisiae is mediated by the HECT E3 ubiquiti...

journal_title：Molecular biology of the cell

authors： Baile MG,Guiney EL,Sanford EJ,MacGurn JA,Smolka MB,Emr SD

更新日期：2019-12-01 00:00:00

abstract：:Specific changes in membrane lipid composition are implicated in actin cytoskeletal organization, vesicle formation, and control of cell polarity. Cdc50p, a membrane protein in the endosomal/trans-Golgi network compartments, is a noncatalytic subunit of Drs2p, which is implicated in translocation of phospholipids acro...

journal_title：Molecular biology of the cell

authors： Kishimoto T,Yamamoto T,Tanaka K

更新日期：2005-12-01 00:00:00

abstract：:The actin cytoskeleton is constantly assembling and disassembling. Cells harness the energy of these turnover dynamics to drive cell motility and organize cytoplasm. Although much is known about how cells control actin polymerization, we do not understand how actin filaments depolymerize inside cells. I briefly descri...

journal_title：Molecular biology of the cell

authors： Brieher W

更新日期：2013-08-01 00:00:00

abstract：:The spindle checkpoint prevents anaphase onset until all the chromosomes have successfully attached to the spindle microtubules. The mechanisms by which unattached kinetochores trigger and transmit a primary signal are poorly understood, although it seems to be dependent at least in part, on the kinetochore localizati...

journal_title：Molecular biology of the cell

authors： Vigneron S,Prieto S,Bernis C,Labbé JC,Castro A,Lorca T

更新日期：2004-10-01 00:00:00

abstract：:Three mitochondrial DNA-encoded proteins, Cox1, Cox2, and Cox3, comprise the core of the cytochrome c oxidase complex. Gene-specific translational activators ensure that these respiratory chain subunits are synthesized at the correct location and in stoichiometric ratios to prevent unassembled protein products from ge...

journal_title：Molecular biology of the cell

authors： Roloff GA,Henry MF

更新日期：2015-08-15 00:00:00

abstract：:On starvation, the cellular slime mold Dictyostelium discoideum initiates a program of development leading to formation of multicellular structures. The initial cell aggregation requires chemotaxis to cyclic AMP (cAMP) and relay of the cAMP signal by the activation of adenylyl cyclase (ACA), and it has been shown prev...

journal_title：Molecular biology of the cell

authors： Bolourani P,Spiegelman GB,Weeks G

更新日期：2006-10-01 00:00:00

abstract：:We report a new nuclear gene, designated ATP25 (reading frame YMR098C on chromosome XIII), required for expression of Atp9p (subunit 9) of the Saccharomyces cerevisiae mitochondrial proton translocating ATPase. Mutations in ATP25 elicit a deficit of ATP9 mRNA and of its translation product, thereby preventing assembly...

journal_title：Molecular biology of the cell

authors： Zeng X,Barros MH,Shulman T,Tzagoloff A

更新日期：2008-04-01 00:00:00

abstract：:Yeast cells, when exposed to stress, can enter a protective state in which cell division, growth, and metabolism are down-regulated. They remain viable in this state until nutrients become available again. How cells enter this protective survival state and what happens at a cellular and subcellular level are largely u...

journal_title：Molecular biology of the cell

authors： Marini G,Nüske E,Leng W,Alberti S,Pigino G

更新日期：2020-06-01 00:00:00

abstract：:Hepatocellular carcinoma (HCC) is a leading cause of death worldwide. Using cDNA microarrays to characterize patterns of gene expression in HCC, we found consistent differences between the expression patterns in HCC compared with those seen in nontumor liver tissues. The expression patterns in HCC were also readily di...

journal_title：Molecular biology of the cell

authors： Chen X,Cheung ST,So S,Fan ST,Barry C,Higgins J,Lai KM,Ji J,Dudoit S,Ng IO,Van De Rijn M,Botstein D,Brown PO

更新日期：2002-06-01 00:00:00

abstract：:Integrin alpha 3A cytoplasmic tail phosphorylation was mapped to amino acid S1042, as determined by mass spectrometry, and confirmed by mutagenesis. This residue occurs within a "QPSXXE" motif conserved in multiple alpha chains (alpha 3A, alpha 6A, alpha 7A), from multiple species. Phosphorylation of alpha 3A and alph...

journal_title：Molecular biology of the cell

authors： Zhang XA,Bontrager AL,Stipp CS,Kraeft SK,Bazzoni G,Chen LB,Hemler ME

更新日期：2001-02-01 00:00:00

abstract：:One of the original hypotheses of organismal longevity posits that aging is the natural result of entropy on the cells, tissues, and organs of the animal--a slow, inexorable slide into nonfunctionality caused by stochastic degradation of its parts. We now have evidence that aging is instead at least in part geneticall...

journal_title：Molecular biology of the cell

authors： DiLoreto R,Murphy CT

更新日期：2015-12-15 00:00:00

abstract：:Previously, we showed that spliceosomal U6 small nuclear RNA (snRNA) transiently passes through the nucleolus. Herein, we report that all individual snRNAs of the [U4/U6.U5] tri-snRNP localize to nucleoli, demonstrated by fluorescence microscopy of nucleolar preparations after injection of fluorescein-labeled snRNA in...

journal_title：Molecular biology of the cell

authors： Gerbi SA,Lange TS

更新日期：2002-09-01 00:00:00

abstract：:The ubiquitin-like hPLIC proteins can associate with proteasomes, and hPLIC overexpression can specifically interfere with ubiquitin-mediated proteolysis (Kleijnen et al., 2000). Because the hPLIC proteins can also interact with certain E3 ubiquitin protein ligases, they may provide a link between the ubiquitination a...

journal_title：Molecular biology of the cell

authors： Kleijnen MF,Alarcon RM,Howley PM

更新日期：2003-09-01 00:00:00

abstract：:Hansenula polymorpha ass3 mutants are characterized by the accumulation of inactive alcohol oxidase (AO) monomers in the cytosol, whereas other peroxisomal matrix proteins are normally activated and sorted to peroxisomes. These mutants also have a glutamate or aspartate requirement on minimal media. Cloning of the cor...

journal_title：Molecular biology of the cell

authors： Ozimek P,van Dijk R,Latchev K,Gancedo C,Wang DY,van der Klei IJ,Veenhuis M

更新日期：2003-02-01 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：:Janus kinase 2 (Jak2) protein tyrosine kinase plays an important role in interleukin-3- or granulocyte-macrophage colony-stimulating factor-mediated signal transduction pathways leading to cell proliferation, activation of early response genes, and inhibition of apoptosis. However, it is unclear whether Jak2 can activ...

journal_title：Molecular biology of the cell

authors： Mohi MG,Arai Ki,Watanabe S

更新日期：1998-12-01 00:00:00

abstract：:Heterotrimeric G proteins are components of principal signaling pathways in eukaryotes. In higher organisms, alpha subunits of G proteins have been divided into four families, Gi, Gs, Gq, and G12. We previously identified a G alpha i homologue gna-1 in the filamentous fungus Neurospora crassa. Now we report that delet...

journal_title：Molecular biology of the cell

authors： Ivey FD,Hodge PN,Turner GE,Borkovich KA

更新日期：1996-08-01 00:00:00

abstract：:Yeast cytochrome oxidase (COX) was previously inferred to assemble from three modules, each containing one of the three mitochondrially encoded subunits and a different subset of the eight nuclear gene products that make up this respiratory complex. Pull-down assays of pulse-labeled mitochondria enabled us to characte...

journal_title：Molecular biology of the cell

authors： Su CH,McStay GP,Tzagoloff A

更新日期：2014-04-01 00:00:00