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  • 1
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    Arabidopsis transcription factors: genome-wide comparative analysis among eukaryotes (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-12-16
    Description: The completion of the Arabidopsis thaliana genome sequence allows a comparative analysis of transcriptional regulators across the three eukaryotic kingdoms. Arabidopsis dedicates over 5% of its genome to code for more than 1500 transcription factors, about 45% of which are from families specific to plants. Arabidopsis transcription factors that belong to families common to all eukaryotes do not share significant similarity with those of the other kingdoms beyond the conserved DNA binding domains, many of which have been arranged in combinations specific to each lineage. The genome-wide comparison reveals the evolutionary generation of diversity in the regulation of transcription.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Riechmann, J L -- Heard, J -- Martin, G -- Reuber, L -- Jiang, C -- Keddie, J -- Adam, L -- Pineda, O -- Ratcliffe, O J -- Samaha, R R -- Creelman, R -- Pilgrim, M -- Broun, P -- Zhang, J Z -- Ghandehari, D -- Sherman, B K -- Yu, G -- New York, N.Y. -- Science. 2000 Dec 15;290(5499):2105-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mendel Biotechnology, 21375 Cabot Boulevard, Hayward, CA 94545, USA. jriechmann@mendelbio.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11118137" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Animals ; Arabidopsis/chemistry/*genetics ; Caenorhabditis elegans/chemistry/*genetics ; DNA/metabolism ; Drosophila melanogaster/chemistry/*genetics ; Eukaryotic Cells ; Evolution, Molecular ; Gene Duplication ; *Genome ; Genome, Plant ; Protein Binding ; Protein Structure, Tertiary ; Saccharomyces cerevisiae/chemistry/*genetics ; Transcription Factors/chemistry/*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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    A proteolytic transmembrane signaling pathway and resistance to beta-lactams in staphylococci (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-03-10
    Description: beta-Lactamase and penicillin-binding protein 2a mediate staphylococcal resistance to beta-lactam antibiotics, which are otherwise highly clinically effective. Production of these inducible proteins is regulated by a signal-transducing integral membrane protein and a transcriptional repressor. The signal transducer is a fusion protein with penicillin-binding and zinc metalloprotease domains. The signal for protein expression is transmitted by site-specific proteolytic cleavage of both the transducer, which autoactivates, and the repressor, which is inactivated, unblocking gene transcription. Compounds that disrupt this regulatory pathway could restore the activity of beta-lactam antibiotics against drug-resistant strains of staphylococci.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, H Z -- Hackbarth, C J -- Chansky, K M -- Chambers, H F -- AI4005804/AI/NIAID NIH HHS/ -- AI46610/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2001 Mar 9;291(5510):1962-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Infectious Diseases, San Francisco General Hospital, Department of Medicine, University of California at San Francisco, 1001 Potrero Avenue, San Francisco, CA 94110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11239156" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Anti-Bacterial Agents/metabolism/pharmacology ; Bacterial Proteins/chemistry/metabolism ; Carrier Proteins/chemistry/genetics/*metabolism ; Catalysis ; Cell Membrane/metabolism ; Cloning, Molecular ; DNA-Binding Proteins/chemistry/metabolism ; Genes, Regulator ; Metalloendopeptidases/chemistry/metabolism ; Mutagenesis, Site-Directed ; *Penicillin-Binding Proteins ; Protein Structure, Tertiary ; Recombinant Fusion Proteins/metabolism ; Repressor Proteins/chemistry/genetics/*metabolism ; *Signal Transduction ; Staphylococcus aureus/*drug effects/genetics/*metabolism ; Transformation, Bacterial ; *beta-Lactam Resistance ; beta-Lactamases/*biosynthesis ; beta-Lactams
    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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  • 3
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    Human De-etiolated-1 regulates c-Jun by assembling a CUL4A ubiquitin ligase (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-01-24
    Description: Arabidopsis thaliana De-etiolated-1 (AtDET1) is a highly conserved protein, with orthologs in vertebrate and invertebrate organisms. AtDET1 negatively regulates photomorphogenesis, but its biochemical mechanism and function in other species are unknown. We report that human DET1 (hDET1) promotes ubiquitination and degradation of the proto-oncogenic transcription factor c-Jun by assembling a multisubunit ubiquitin ligase containing DNA Damage Binding Protein-1 (DDB1), cullin 4A (CUL4A), Regulator of Cullins-1 (ROC1), and constitutively photomorphogenic-1. Ablation of any subunit by RNA interference stabilized c-Jun and increased c-Jun-activated transcription. These findings characterize a c-Jun ubiquitin ligase and define a specific function for hDET1 in mammalian cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wertz, Ingrid E -- O'Rourke, Karen M -- Zhang, Zemin -- Dornan, David -- Arnott, David -- Deshaies, Raymond J -- Dixit, Vishva M -- GM065997/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2004 Feb 27;303(5662):1371-4. Epub 2004 Jan 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Oncology, Genentech, Inc., South San Francisco, CA 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14739464" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Carrier Proteins/chemistry/genetics/*metabolism ; Cell Line ; Cloning, Molecular ; Cullin Proteins/genetics/*metabolism ; DNA-Binding Proteins/metabolism ; Genes, jun ; Humans ; Molecular Sequence Data ; Nuclear Proteins/chemistry/genetics/metabolism ; Protein Binding ; Proteomics ; Proto-Oncogene Proteins c-jun/*metabolism ; RNA, Messenger/genetics/metabolism ; RNA, Small Interfering/metabolism ; Transfection ; Ubiquitin/metabolism ; Ubiquitin-Protein Ligases/chemistry/*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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