Poleward transport of TPX2 in the mammalian mitotic spindle requires dynein, Eg5, and microtubule flux.

abstract：:Members of the transforming acidic coiled coil (TACC) protein family are emerging as important mitotic spindle assembly proteins in a variety of organisms. The molecular details of how TACC proteins function are unknown, but TACC proteins have been proposed to recruit microtubule-stabilizing proteins of the tumor over...

journal_title：Molecular biology of the cell

authors： Albee AJ,Wiese C

更新日期：2008-08-01 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：:Scientific societies aiming to foster inclusion of scientists from underrepresented (UR) backgrounds among their membership often delegate primary responsibility for this goal to a diversity-focused committee. The National Science Foundation has funded the creation of the Alliance to Catalyze Change for Equity in STEM...

journal_title：Molecular biology of the cell

authors： Segarra VA,Primus C,Unguez GA,Edwards A,Etson C,Flores SC,Fry C,Guillory AN,Ingram SL,Lawson M,McGee R,Paxson S,Phelan L,Suggs K,Vega LR,Vuong E,Havran JC,Leon A,Burton MD,Lujan JL,Ramirez-Alvarado M

更新日期：2020-11-01 00:00:00

abstract：:Kinetochores are the proteinaceous complexes that assemble on centromeric DNA and direct eukaryotic chromosome segregation. The mechanisms by which higher eukaryotic cells define centromeres are poorly understood. Possible molecular contributors to centromere specification include the underlying DNA sequences and epig...

journal_title：Molecular biology of the cell

authors： Edwards NS,Murray AW

更新日期：2005-04-01 00:00:00

abstract：:Blebs are involved in various biological processes such as cell migration, cytokinesis, and apoptosis. While the expansion of blebs is largely an intracellular pressure-driven process, the retraction of blebs is believed to be driven by RhoA activation that leads to the reassembly of the actomyosin cortex at the bleb ...

journal_title：Molecular biology of the cell

authors： Jiao M,Wu D,Wei Q

更新日期：2018-03-01 00:00:00

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：:The key molecular regulatory mechanisms that govern and coordinate the molecular alterations that underpin the process of human labor remain incompletely understood although enhanced intrauterine prostaglandin production is known to be requisite. Studies from cancer tissues have indicated that at least one key enzyme ...

journal_title：Molecular biology of the cell

authors： Mitchell MD

更新日期：2006-01-01 00:00:00

abstract：:Murine connexin 40 (Cx40) and connexin 43 (Cx43) do not form functional heterotypic gap junction channels. This property may contribute to the preferential propagation of action potentials in murine conductive myocardium (expressing Cx40) which is surrounded by working myocardium, expressing Cx43. When mouse Cx40 and ...

journal_title：Molecular biology of the cell

authors： Haubrich S,Schwarz HJ,Bukauskas F,Lichtenberg-Fraté H,Traub O,Weingart R,Willecke K

更新日期：1996-12-01 00:00:00

abstract：:Mitochondrial dysfunction is associated with the development of many age-related human diseases. Therefore recognizing and correcting the early signs of malfunctioning mitochondria is of critical importance for cellular welfare and survival. We previously demonstrated that VCP/Cdc48-associated mitochondrial stress res...

journal_title：Molecular biology of the cell

authors： Heo JM,Nielson JR,Dephoure N,Gygi SP,Rutter J

更新日期：2013-05-01 00:00:00

abstract：:Mitochondrial function depends crucially on the maintenance of multiple mitochondrial DNA (mtDNA) copies. Surprisingly, the cellular mechanisms regulating mtDNA copy number remain poorly understood. Through a systematic high-throughput approach in Saccharomyces cerevisiae, we determined mtDNA-to-nuclear DNA ratios in ...

journal_title：Molecular biology of the cell

authors： Göke A,Schrott S,Mizrak A,Belyy V,Osman C,Walter P

更新日期：2020-03-19 00:00:00

abstract：:An in vitro transport assay, established with a modified Shiga toxin B subunit (STxB) as a marker, has proved to be useful for the study of transport from the early/recycling endosome (EE/RE) to the trans-Golgi network (TGN). Here, we modified this assay to test antibodies to all known soluble N-ethylmaleimide-sensiti...

journal_title：Molecular biology of the cell

authors： Tai G,Lu L,Wang TL,Tang BL,Goud B,Johannes L,Hong W

更新日期：2004-09-01 00:00:00

abstract：:Tolerance to desiccation in cultures of Saccharomyces cerevisiae is inducible; only one in a million cells from an exponential culture survive desiccation compared with one in five cells in stationary phase. Here we exploit the desiccation sensitivity of exponentially dividing cells to understand the stresses imposed ...

journal_title：Molecular biology of the cell

authors： Welch AZ,Gibney PA,Botstein D,Koshland DE

更新日期：2013-01-01 00:00:00

abstract：:We have shown previously that the transforming growth factor-beta (TGFbeta)-regulated Sma-Mad (Smad) protein 3 and Smad4 proteins transactivate the apolipoprotein C-III promoter in hepatic cells via a hormone response element that binds the nuclear receptor hepatocyte nuclear factor 4 (HNF-4). In the present study, we...

journal_title：Molecular biology of the cell

authors： Chou WC,Prokova V,Shiraishi K,Valcourt U,Moustakas A,Hadzopoulou-Cladaras M,Zannis VI,Kardassis D

更新日期：2003-03-01 00:00:00

abstract：:During meiosis, homologues are linked by crossover, which is required for bipolar chromosome orientation before chromosome segregation at anaphase I. The repetitive ribosomal DNA (rDNA) array, however, undergoes little or no meiotic recombination. Hyperrecombination can cause chromosome missegregation and rDNA copy nu...

journal_title：Molecular biology of the cell

authors： Li P,Jin H,Yu HG

更新日期：2014-10-01 00:00:00

abstract：:The transforming growth factor (TGF)-beta superfamily regulates cell proliferation, apoptosis, differentiation, migration, and development. Canonical TGFbeta signals are transduced to the nucleus via Smads in both major signaling branches, bone morphogenetic protein (BMP) or Activin/Nodal/TGFbeta. Smurf ubiquitin (Ub)...

journal_title：Molecular biology of the cell

authors： Kalkan T,Iwasaki Y,Park CY,Thomsen GH

更新日期：2009-07-01 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：:Precise chromosome transmission in cell division cycle is maintained by a number of genes. The attempt made in the present study was to isolate temperature-sensitive (ts) fission yeast mutants that display high loss rates of minichromosomes at permissive or semipermissive temperature (designated mis). By colony color ...

journal_title：Molecular biology of the cell

authors： Takahashi K,Yamada H,Yanagida M

更新日期：1994-10-01 00:00:00

abstract：:We applied a combination of laser microsurgery and quantitative polarization microscopy to study kinetochore-independent forces that act on chromosome arms during meiosis in crane fly spermatocytes. When chromosome arms located within one of the half-spindles during prometa- or metaphase were cut with the laser, the a...

journal_title：Molecular biology of the cell

authors： LaFountain JR Jr,Oldenbourg R,Cole RW,Rieder CL

更新日期：2001-12-01 00:00:00

abstract：:Ubiquitinated integral membrane proteins are delivered to the interior of the lysosome/vacuole for degradation. This process relies on specific ubiquitination of potential cargo and recognition of that Ub-cargo by sorting receptors at multiple compartments. We show that the endosomal Hse1-Vps27 sorting receptor binds ...

journal_title：Molecular biology of the cell

authors： Ren J,Kee Y,Huibregtse JM,Piper RC

更新日期：2007-01-01 00:00:00

abstract：:In Tetrahymena thermophila, peptides secreted via dense-core granules, called mucocysts, are generated by proprotein processing. We used expression profiling to identify candidate processing enzymes, which localized as cyan fluorescent protein fusions to mucocysts. Of note, the aspartyl cathepsin Cth3p plays a key rol...

journal_title：Molecular biology of the cell

authors： Kumar S,Briguglio JS,Turkewitz AP

更新日期：2014-08-15 00:00:00

abstract：:The 260-kDa heterodimeric Gal/GalNAc-specific Lectin (Gal-lectin) of Entamoeba histolytica dissociates under reducing conditions into a heavy (hgl, 170 kDa) and a light subunit (lgl, 35 kDa). We have previously shown that inhibition of expression of the 35-kDa subunit by antisense RNA causes a decrease in virulence. T...

journal_title：Molecular biology of the cell

authors： Katz U,Ankri S,Stolarsky T,Nuchamowitz Y,Mirelman D

更新日期：2002-12-01 00:00:00

abstract：:Centromeres are the site of kinetochore formation during mitosis. Centromere protein A (CENP-A), the centromere-specific histone H3 variant, is essential for the epigenetic maintenance of centromere position. Previously we showed that newly synthesized CENP-A is targeted to centromeres exclusively during early G1 phas...

journal_title：Molecular biology of the cell

authors： Bodor DL,Valente LP,Mata JF,Black BE,Jansen LE

更新日期：2013-04-01 00:00:00

abstract：:Endosomal trafficking of signaling proteins plays an essential role in cellular homeostasis. The seven-pass transmembrane protein Frizzled (Fz) is a critical component of Wnt signaling. Although Wnt signaling is proposed to be regulated by endosomal trafficking of Fz, the molecular events that enable this regulation a...

journal_title：Molecular biology of the cell

authors： Pradhan-Sundd T,Verheyen EM

更新日期：2015-09-15 00:00:00

abstract：:Trends in increased tuberculosis infection and a fatality rate of approximately 23% have necessitated the search for alternative biomarkers using newly developed postgenomic approaches. Here we provide a systematic analysis of Mycobacterium tuberculosis (Mtb) by directly profiling its gene products. This analysis comb...

journal_title：Molecular biology of the cell

authors： Mawuenyega KG,Forst CV,Dobos KM,Belisle JT,Chen J,Bradbury EM,Bradbury AR,Chen X

更新日期：2005-01-01 00:00:00

abstract：:Historically, much of biology was studied by physicists and mathematicians. With the advent of modern molecular biology, a wave of researchers became trained in a new scientific discipline filled with the language of genes, mutants, and the central dogma. These new molecular approaches have provided volumes of informa...

journal_title：Molecular biology of the cell

authors： Robinson DN,Iglesias PA

更新日期：2012-11-01 00:00:00

abstract：:The early Caenorhabditis elegans embryo contains abundant transcripts for two alpha- and two beta-tubulins, raising the question of whether each isoform performs specialized functions or simply contributes to total tubulin levels. Our identification of two recessive, complementing alleles of a beta-tubulin that disrup...

journal_title：Molecular biology of the cell

authors： Wright AJ,Hunter CP

更新日期：2003-11-01 00:00:00

abstract：:NSF and p97 are related AAA proteins implicated in membrane trafficking and organelle biogenesis. p97 is also involved in pathways that lead to ubiquitin-dependent proteolysis, including ER-associated degradation (ERAD). In this study, we have used dominant interfering ATP-hydrolysis deficient mutants (NSF(E329Q) and ...

journal_title：Molecular biology of the cell

authors： Dalal S,Rosser MF,Cyr DM,Hanson PI

更新日期：2004-02-01 00:00:00

abstract：:The MTG1 gene of Saccharomyces cerevisiae, corresponding to ORF YMR097c on chromosome XIII, codes for a mitochondrial protein essential for respiratory competence. A human homologue of Mtg1p capable of partially rescuing the respiratory deficiency of a yeast mtg1 mutant has also been localized in mitochondria. Mtg1p i...

journal_title：Molecular biology of the cell

authors： Barrientos A,Korr D,Barwell KJ,Sjulsen C,Gajewski CD,Manfredi G,Ackerman S,Tzagoloff A

更新日期：2003-06-01 00:00:00

abstract：:Transforming growth factor-β (TGF-β) receptor oligomerization has important roles in signaling. Complex formation among type I and type II (TβRI and TβRII) TGF-β receptors is well characterized and is essential for signal transduction. However, studies on their interactions with the type III TGF-β coreceptor (TβRIII) ...

journal_title：Molecular biology of the cell

authors： Tazat K,Hector-Greene M,Blobe GC,Henis YI

更新日期：2015-10-01 00:00:00

abstract：:Autophagy is a central homeostasis and stress response pathway conserved in all eukaryotes. One hallmark of autophagy is the de novo formation of autophagosomes. These double-membrane vesicular structures form around and deliver cargo for degradation by the vacuole/lysosome. Where and how autophagosomes form are outst...

journal_title：Molecular biology of the cell

authors： Graef M,Friedman JR,Graham C,Babu M,Nunnari J

更新日期：2013-09-01 00:00:00