Aspergillus asexual reproduction and sexual reproduction are differentially affected by transcriptional and translational mechanisms regulating stunted gene expression.

abstract：:ABFI (ARS-binding protein I) is a yeast protein that binds specific DNA sequences associated with several autonomously replicating sequences (ARSs). ABFI also binds sequences located in promoter regions of some yeast genes, including DED1, an essential gene of unknown function that is transcribed constitutively at a h...

journal_title：Molecular and cellular biology

authors： Buchman AR,Kornberg RD

更新日期：1990-03-01 00:00:00

abstract：:Histone H3 lysine 9 (H3K9) methylation has broad roles in transcriptional repression, gene silencing, maintenance of heterochromatin, and epigenetic inheritance of heterochromatin. Using Xenopus laevis oocytes, we have previously shown that targeting G9a, an H3K9 histone methyltransferase, to chromatin increases H3K9 ...

journal_title：Molecular and cellular biology

authors： Stewart MD,Sommerville J,Wong J

更新日期：2006-09-01 00:00:00

abstract：:An RNA editing mechanism modifies apolipoprotein B (apo-B) mRNA in the intestine by converting cytosine at nucleotide (nt) 6666 to uracil. To define the sequence requirements for editing, mutant apo-B RNAs were analyzed for the ability to be edited in vitro by enterocyte extracts. Editing was detected by a sensitive a...

journal_title：Molecular and cellular biology

authors： Driscoll DM,Lakhe-Reddy S,Oleksa LM,Martinez D

更新日期：1993-12-01 00:00:00

abstract：:Loss of heterozygosity (LOH) is a common genetic alteration in tumors and often extends several megabases to encompass multiple genetic loci or even whole chromosome arms. Based on marker and karyotype analysis of tumor samples, a significant fraction of LOH events appears to arise from mitotic recombination between h...

journal_title：Molecular and cellular biology

authors： Stark JM,Jasin M

更新日期：2003-01-01 00:00:00

abstract：:Phosphatidylinositol (PI) 3-kinase is a cytoplasmic signaling molecule recruited to the membrane by activated growth factor receptors. The p85 subunit of PI 3-kinase links the catalytic p110 subunit to activated growth factor receptors and is required for enzymatic activity of p110. In this report, we describe the eff...

journal_title：Molecular and cellular biology

authors： Klippel A,Reinhard C,Kavanaugh WM,Apell G,Escobedo MA,Williams LT

更新日期：1996-08-01 00:00:00

abstract：:The polycomb protein Bmi-1 represses the INK4a locus, which encodes the tumor suppressors p16 and p14(ARF). Here we report that Bmi-1 is downregulated when WI-38 human fibroblasts undergo replicative senescence, but not quiescence, and extends replicative life span when overexpressed. Life span extension by Bmi-1 requ...

journal_title：Molecular and cellular biology

authors： Itahana K,Zou Y,Itahana Y,Martinez JL,Beausejour C,Jacobs JJ,Van Lohuizen M,Band V,Campisi J,Dimri GP

更新日期：2003-01-01 00:00:00

abstract：:To investigate the role of insulin receptor substrate 1 (IRS-1) and IRS-2, the two ubiquitously expressed IRS proteins, in adipocyte differentiation, we established embryonic fibroblast cells with four different genotypes, i.e., wild-type, IRS-1 deficient (IRS-1(-/-)), IRS-2 deficient (IRS-2(-/-)), and IRS-1 IRS-2 dou...

journal_title：Molecular and cellular biology

authors： Miki H,Yamauchi T,Suzuki R,Komeda K,Tsuchida A,Kubota N,Terauchi Y,Kamon J,Kaburagi Y,Matsui J,Akanuma Y,Nagai R,Kimura S,Tobe K,Kadowaki T

更新日期：2001-04-01 00:00:00

abstract：:B-myc is a recently described myc gene whose product has not been functionally characterized. The predicted product of B-myc is a 168-amino-acid protein with extensive homology to the c-Myc amino-terminal region, previously shown to contain a transcriptional activation domain. We hypothesized that B-Myc might also fun...

journal_title：Molecular and cellular biology

authors： Resar LM,Dolde C,Barrett JF,Dang CV

更新日期：1993-02-01 00:00:00

abstract：:Focal adhesion kinase (FAK) is a nonreceptor protein tyrosine kinase involved in integrin-mediated control of cell behavior. Following cell adhesion to components of the extracellular matrix, FAK becomes phosphorylated at multiple sites, including tyrosines 397, 576, and 577. Tyr-397 is an autophosphorylation site tha...

journal_title：Molecular and cellular biology

authors： Owen JD,Ruest PJ,Fry DW,Hanks SK

更新日期：1999-07-01 00:00:00

abstract：:Streptozotocin (STZ) is widely used to induce diabetic rodent models. It is specifically toxic to pancreatic beta cells and causes severe destruction and dysfunction. We investigated the effect of 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG) on an STZ-induced diabetic mouse model. PLAG attenuated the glucose i...

journal_title：Molecular and cellular biology

authors： Kim J,Kim JH,Sohn KY,Yoon SY,Kim JW

更新日期：2019-10-11 00:00:00

abstract：:The nuclear receptor peroxisome proliferator-activated receptor gamma regulates adipose differentiation and systemic insulin signaling via ligand-dependent transcriptional activation of target genes. However, the identities of the biologically relevant target genes are largely unknown. Here we describe the isolation a...

journal_title：Molecular and cellular biology

authors： Yoon JC,Chickering TW,Rosen ED,Dussault B,Qin Y,Soukas A,Friedman JM,Holmes WE,Spiegelman BM

更新日期：2000-07-01 00:00:00

abstract：:An interferon-alpha-like sequence was isolated from a human genomic library by hybridization with a 15-base oligonucleotide. The sequence also showed homology to alpha-interferon and was most closely related to the leukocyte interferon-M gene fragment. The original isolate cross-hybridized to a family of sequences, 10...

journal_title：Molecular and cellular biology

authors： Feinstein SI,Mory Y,Chernajovsky Y,Maroteaux L,Nir U,Lavie V,Revel M

更新日期：1985-03-01 00:00:00

abstract：:The NF-kappa B/Rel family of transcription factors participates in the control of a wide array of genes, including genes involved in embryonic development and regulation of immune, inflammation, and stress responses. In most cells, inhibitory I kappa B proteins sequester NF-kappa B/Rel in the cytoplasm. Cellular stimu...

journal_title：Molecular and cellular biology

authors： Antonsson A,Hughes K,Edin S,Grundström T

更新日期：2003-02-01 00:00:00

abstract：:The CDC8 gene, whose product is required for DNA replication in Saccharomyces cerevisiae, has been isolated on recombinant plasmids. The yeast vector YCp50 bearing the yeast ARS1, CEN4, and URA3 sequences, to provide for replication, stability, and selection, respectively, was used to prepare a recombinant plasmid poo...

journal_title：Molecular and cellular biology

authors： Kuo CL,Campbell JL

更新日期：1983-10-01 00:00:00

abstract：:In Saccharomyces cerevisiae, the MET25 gene encodes O-acetylhomoserine sulfhydrylase. Synthesis of this enzyme is repressed by the presence of S-adenosylmethionine (AdoMet) in the growth medium. We identified cis elements required for MET25 expression by analyzing small deletions in the MET25 promoter region. The resu...

journal_title：Molecular and cellular biology

authors： Thomas D,Cherest H,Surdin-Kerjan Y

更新日期：1989-08-01 00:00:00

abstract：:Intron-encoded U17a and U17b RNAs are members of the H/ACA-box class of small nucleolar RNAs (snoRNAs) participating in rRNA processing and modification. We have investigated the organization and expression of the U17 locus in human cells and found that intronic U17a and U17b sequences are transcribed as part of the t...

journal_title：Molecular and cellular biology

authors： Pelczar P,Filipowicz W

更新日期：1998-08-01 00:00:00

abstract：:Thrombin stimulation of platelets induces a transient increase in the specific activity of pp60c-src followed by a redistribution of pp60c-src to the Triton X-100-insoluble, cytoskeleton-rich fraction. Concomitant with the observed increase in pp60c-src activity was a rapid dephosphorylation of tyrosine 527 in 10 to 1...

journal_title：Molecular and cellular biology

authors： Clark EA,Brugge JS

更新日期：1993-03-01 00:00:00

abstract：:Heat shock proteins (HSPs) are highly conserved among all organisms from prokaryotes to eukaryotes. In mice, the HSP genes Hsp70.1 and Hsp70.3 are induced by both endogenous and exogenous stressors, such as heat and toxicants. In order to determine whether such proteins specifically influence genomic instability, mice...

journal_title：Molecular and cellular biology

authors： Hunt CR,Dix DJ,Sharma GG,Pandita RK,Gupta A,Funk M,Pandita TK

更新日期：2004-01-01 00:00:00

abstract：:A region of the Saccharomyces cerevisiae mitochondrial cytochrome b gene encompassing the entire terminal intron plus flanking exonic sequences has been cloned in an SP6 vector. A runoff transcript prepared from this construct as well as the native cytochrome b pre-mRNA containing the terminal intervening sequence wer...

journal_title：Molecular and cellular biology

authors： Gampel A,Tzagoloff A

更新日期：1987-07-01 00:00:00

abstract：:RBM4 promotes differentiation of neuronal progenitor cells and neurite outgrowth of cultured neurons via its role in splicing regulation. In this study, we further explored the role of RBM4 in neuronal differentiation. During neuronal differentiation, energy production shifts from glycolysis to oxidative phosphorylati...

journal_title：Molecular and cellular biology

authors： Su CH,Hung KY,Hung SC,Tarn WY

更新日期：2017-01-19 00:00:00

abstract：:RNA interference (RNAi) in animals, cosuppression in plants, and quelling in fungi are homology-dependent gene silencing mechanisms in which the introduction of either double-stranded RNA (dsRNA) or transgenes induces sequence-specific mRNA degradation. These phenomena share a common genetic and mechanistic basis. The...

journal_title：Molecular and cellular biology

authors： Catalanotto C,Pallotta M,ReFalo P,Sachs MS,Vayssie L,Macino G,Cogoni C

更新日期：2004-03-01 00:00:00

abstract：:Repeat-induced point mutation (RIP) is a process that efficiently detects DNA duplications prior to meiosis in Neurospora crassa and peppers them with G:C to A:T mutations. Cytosine methylation is typically associated with sequences affected by RIP, and methylated cytosines are not limited to CpG dinucleotides. We gen...

journal_title：Molecular and cellular biology

authors： Singer MJ,Marcotte BA,Selker EU

更新日期：1995-10-01 00:00:00

abstract：:Frk/rak belongs to a novel family of Src kinases with epithelial tissue-specific expression. Although developmental expression patterns and functional overexpression in vitro have associated these kinases with growth suppression and differentiation, their physiological functions remain largely unknown. We therefore ge...

journal_title：Molecular and cellular biology

authors： Chandrasekharan S,Qiu TH,Alkharouf N,Brantley K,Mitchell JB,Liu ET

更新日期：2002-07-01 00:00:00

abstract：:The hemagglutinin-neuraminidase (HN) protein of paramyxoviruses is likely in the unusual class of glycoproteins with the amino terminus cytoplasmic and the carboxy terminus lumenal or external to the cell. The properties of the membrane insertion of the HN protein of Newcastle disease virus, a prototype paramyxovirus,...

journal_title：Molecular and cellular biology

authors： Wilson C,Gilmore R,Morrison T

更新日期：1987-04-01 00:00:00

abstract：:Vascular endothelial growth factor (VEGF) is a potent angiogenic inducer that stimulates the expression of tissue factor (TF), the major cellular initiator of blood coagulation. Here we show that signaling triggered by VEGF induced DNA-binding and transcriptional activities of nuclear factor of activated T cells (NFAT...

journal_title：Molecular and cellular biology

authors： Armesilla AL,Lorenzo E,Gómez del Arco P,Martínez-Martínez S,Alfranca A,Redondo JM

更新日期：1999-03-01 00:00:00

abstract：:PHAX (phosphorylated adaptor for RNA export) is the key regulator of U snRNA nuclear export in metazoa. Our previous work revealed that PHAX is phosphorylated in the nucleus and is exported as a component of the U snRNA export complex to the cytoplasm, where it is dephosphorylated (M. Ohno, A. Segref, A. Bachi, M. Wil...

journal_title：Molecular and cellular biology

authors： Kitao S,Segref A,Kast J,Wilm M,Mattaj IW,Ohno M

更新日期：2008-01-01 00:00:00

abstract：:The p53 tumor suppressor gene product is a sequence-specific DNA-binding protein that is necessary for the G1 arrest of many cell types. Consistent with its role as a cell cycle checkpoint factor, p53 has been shown to be capable of both transcriptional activation and repression. Here we show a new potential role for ...

journal_title：Molecular and cellular biology

authors： Miller SD,Farmer G,Prives C

更新日期：1995-12-01 00:00:00

abstract：:The interleukin-2 (IL-2) receptor (IL-2R) consists of three distinct subunits (alpha, beta, and gamma c) and regulates proliferation of T lymphocytes. Intracellular signalling results from ligand-mediated heterodimerization of the cytoplasmic domains of the beta and gamma c chains. To identify the residues of gamma c ...

journal_title：Molecular and cellular biology

authors： Nelson BH,Lord JD,Greenberg PD

更新日期：1996-01-01 00:00:00

abstract：:Quiescent mouse NIH 3T3 cells responded to microinjection of activated ras p21 with a rapid and sustained rise in intracellular pH (approximately 0.17 pH units). The p21-induced pH change was inhibited by amiloride treatment or growth of cells in medium low in sodium, suggesting a role for the Na+/H+ antiporter. Amilo...

journal_title：Molecular and cellular biology

authors： Hagag N,Lacal JC,Graber M,Aaronson S,Viola MV

更新日期：1987-05-01 00:00:00

abstract：:The ESC-E(Z) complex of Drosophila melanogaster Polycomb group (PcG) repressors is a histone H3 methyltransferase (HMTase). This complex silences fly Hox genes, and related HMTases control germ line development in worms, flowering in plants, and X inactivation in mammals. The fly complex contains a catalytic SET domai...

journal_title：Molecular and cellular biology

authors： Ketel CS,Andersen EF,Vargas ML,Suh J,Strome S,Simon JA

更新日期：2005-08-01 00:00:00