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  • Mutation  (3)
  • Phosphorylation  (3)
  • American Association for the Advancement of Science (AAAS)  (6)
  • Oxford University Press
  • 1995-1999  (5)
  • 1985-1989  (1)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (6)
  • Oxford University Press
Years
Year
  • 1
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    Dosage compensation proteins targeted to X chromosomes by a determinant of hermaphrodite fate (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-12
    Description: In many organisms, master control genes coordinately regulate sex-specific aspects of development. SDC-2 was shown to induce hermaphrodite sexual differentiation and activate X chromosome dosage compensation in Caenorhabditis elegans. To control these distinct processes, SDC-2 acts as a strong gene-specific repressor and a weaker chromosome-wide repressor. To initiate hermaphrodite development, SDC-2 associates with the promoter of the male sex-determining gene her-1 to repress its transcription. To activate dosage compensation, SDC-2 triggers assembly of a specialized protein complex exclusively on hermaphrodite X chromosomes to reduce gene expression by half. SDC-2 can localize to X chromosomes without other components of the dosage compensation complex, suggesting that SDC-2 targets dosage compensation machinery to X chromosomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dawes, H E -- Berlin, D S -- Lapidus, D M -- Nusbaum, C -- Davis, T L -- Meyer, B J -- GM30702/GM/NIGMS NIH HHS/ -- T32 GM07127/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jun 11;284(5421):1800-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720-3204, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10364546" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caenorhabditis elegans/embryology/*genetics/physiology ; *Caenorhabditis elegans Proteins ; *DNA-Binding Proteins ; Disorders of Sex Development ; *Dosage Compensation, Genetic ; Female ; Gene Expression Regulation, Developmental ; Genes, Helminth ; Helminth Proteins/genetics/*physiology ; Male ; Molecular Sequence Data ; Mutation ; Promoter Regions, Genetic ; Repressor Proteins/genetics/*physiology ; *Sex Determination Processes ; Transgenes ; X Chromosome/genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Dynamic control of CaMKII translocation and localization in hippocampal neurons by NMDA receptor stimulation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-02
    Description: Calcium-calmodulin-dependent protein kinase II (CaMKII) is thought to increase synaptic strength by phosphorylating postsynaptic density (PSD) ion channels and signaling proteins. It is shown that N-methyl-D-aspartate (NMDA) receptor stimulation reversibly translocates green fluorescent protein-tagged CaMKII from an F-actin-bound to a PSD-bound state. The translocation time was controlled by the ratio of expressed beta-CaMKII to alpha-CaMKII isoforms. Although F-actin dissociation into the cytosol required autophosphorylation of or calcium-calmodulin binding to beta-CaMKII, PSD translocation required binding of calcium-calmodulin to either the alpha- or beta-CaMKII subunits. Autophosphorylation of CaMKII indirectly prolongs its PSD localization by increasing the calmodulin-binding affinity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, K -- Meyer, T -- GM-48113/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Apr 2;284(5411):162-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology and Department of Pharmacology and Cancer Biology, Box 3709, Duke University Medical Center, Durham, NC 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10102820" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/metabolism ; Animals ; Calcium/pharmacology ; Calcium-Calmodulin-Dependent Protein Kinase Type 2 ; Calcium-Calmodulin-Dependent Protein Kinases/*metabolism ; Cells, Cultured ; Cytosol/metabolism ; Dendrites/*enzymology ; Electric Stimulation ; Glutamic Acid/pharmacology ; Green Fluorescent Proteins ; Hippocampus/cytology/*enzymology ; Isoenzymes/metabolism ; Luminescent Proteins ; Microscopy, Fluorescence ; Nerve Tissue Proteins/analysis ; Neurons/*enzymology ; Phosphorylation ; Rats ; Receptors, N-Methyl-D-Aspartate/*metabolism ; Synapses/*enzymology ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Primary structure of the beta subunit of the DHP-sensitive calcium channel from skeletal muscle (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-08
    Description: Complementary DNAs for the beta subunit of the dihydropyridine-sensitive calcium channel of rabbit skeletal muscle were isolated on the basis of peptide sequences derived from the purified protein. The deduced primary structure is without homology to other known protein sequences and is consistent with the beta subunit being a peripheral membrane protein associated with the cytoplasmic aspect of the sarcolemma. The protein contains sites that might be expected to be preferentially phosphorylated by protein kinase C and guanosine 3',5'-monophosphate-dependent protein kinase. A messenger RNA for this protein appears to be expressed in brain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ruth, P -- Rohrkasten, A -- Biel, M -- Bosse, E -- Regulla, S -- Meyer, H E -- Flockerzi, V -- Hofmann, F -- New York, N.Y. -- Science. 1989 Sep 8;245(4922):1115-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Physiologische Chemie, Medizinische Fakultat, Homburg/Saar, Federal Republic of Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2549640" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Calcium Channel Blockers/*metabolism/pharmacology ; Calcium Channels/drug effects/*metabolism ; Dihydropyridines/*metabolism/pharmacology ; Molecular Sequence Data ; Muscles/*analysis ; Phosphorylation ; Protein Conformation ; RNA, Messenger/isolation & purification ; Rabbits ; Receptors, Nicotinic/drug effects/*isolation & purification/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Enhanced DNA-binding activity of a Stat3-related protein in cells transformed by the Src oncoprotein (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-07
    Description: Cytokines and growth factors induce tyrosine phosphorylation of signal transducers and activators of transcription (STATs) that directly activate gene expression. Cells stably transformed by the Src oncogene tyrosine kinase were examined for STAT protein activation. Assays of electrophoretic mobility, DNA-binding specificity, and antigenicity indicated that Stat3 or a closely related STAT family member was constitutively activated by the Src oncoprotein. Induction of this DNA-binding activity was accompanied by tyrosine phosphorylation of Stat3 and correlated with Src transformation. These findings demonstrate that Src can activate STAT signaling pathways and raise the possibility that Stat3 contributes to oncogenesis by Src.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yu, C L -- Meyer, D J -- Campbell, G S -- Larner, A C -- Carter-Su, C -- Schwartz, J -- Jove, R -- CA55652/CA/NCI NIH HHS/ -- DK34171/DK/NIDDK NIH HHS/ -- R01 DK034171/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1995 Jul 7;269(5220):81-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7541555" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line, Transformed ; *Cell Transformation, Neoplastic ; DNA/*metabolism ; DNA-Binding Proteins/*metabolism ; Growth Inhibitors/pharmacology ; Interferon-gamma/pharmacology ; *Interleukin-6 ; Leukemia Inhibitory Factor ; Lymphokines/pharmacology ; Mice ; Molecular Sequence Data ; Oncogene Protein pp60(v-src)/*physiology ; Phosphorylation ; Phosphotyrosine ; STAT3 Transcription Factor ; *Signal Transduction ; Trans-Activators/*metabolism ; Tyrosine/analogs & derivatives/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    DPY-26, a link between dosage compensation and meiotic chromosome segregation in the nematode (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-12-06
    Description: The DPY-26 protein is required in the nematode Caenorhabditis elegans for X-chromosome dosage compensation as well as for proper meiotic chromosome segregation. DPY-26 was shown to mediate both processes through its association with chromosomes. In somatic cells, DPY-26 associates specifically with hermaphrodite X chromosomes to reduce their transcript levels. In germ cells, DPY-26 associates with all meiotic chromosomes to mediate its role in chromosome segregation. The X-specific localization of DPY-26 requires two dosage compensation proteins (DPY-27 and DPY-30) and two proteins that coordinately control both sex determination and dosage compensation (SDC-2 and SDC-3).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lieb, J D -- Capowski, E E -- Meneely, P -- Meyer, B J -- GM30702/GM/NIGMS NIH HHS/ -- HD24324/HD/NICHD NIH HHS/ -- T32 GM07127/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Dec 6;274(5293):1732-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8939869" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caenorhabditis elegans/embryology/genetics/*physiology ; *Caenorhabditis elegans Proteins ; Carrier Proteins/physiology ; Cell Nucleus/chemistry ; Chromosomes/*physiology ; Disorders of Sex Development ; *Dosage Compensation, Genetic ; Embryonic Development ; Female ; Gene Expression ; Genes, Helminth ; Germ Cells/physiology ; Helminth Proteins/analysis/genetics/*physiology ; Male ; *Meiosis ; Molecular Sequence Data ; Mutation ; Nuclear Proteins/physiology ; X Chromosome/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Activation of Gal4p by galactose-dependent interaction of galactokinase and Gal80p (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-06-14
    Description: Yeast galactokinase (Gal1p) is an enzyme and a regulator of transcription. In addition to phosphorylating galactose, Gal1p activates Gal4p, the activator of GAL genes, but the mechanism of this regulation has been unclear. Here, biochemical and genetic evidence is presented to show that Gal1p activates Gal4p by direct interaction with the Gal4p inhibitor Gal80p. Interaction requires galactose, adenosine triphosphate, and the regulatory function of Gal1p. These data indicate that Gal1p-Gal80p complex formation results in the inactivation of Gal80p, thereby transmitting the galactose signal to Gal4p.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zenke, F T -- Engles, R -- Vollenbroich, V -- Meyer, J -- Hollenberg, C P -- Breunig, K D -- New York, N.Y. -- Science. 1996 Jun 14;272(5268):1662-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Mikrobiologie, Heinrich-Heine-Universitat Dusseldorf, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8658143" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Coenzymes/metabolism ; DNA-Binding Proteins ; Fungal Proteins/*metabolism ; Galactokinase/genetics/*metabolism ; Galactose/*metabolism ; Kluyveromyces/genetics/metabolism ; Molecular Sequence Data ; Mutation ; Repressor Proteins/*metabolism ; Saccharomyces cerevisiae/genetics/*metabolism ; *Saccharomyces cerevisiae Proteins ; Signal Transduction ; Transcription Factors/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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