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  • 1
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    Role of the CLOCK protein in the mammalian circadian mechanism (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-11
    Description: The mouse Clock gene encodes a bHLH-PAS protein that regulates circadian rhythms and is related to transcription factors that act as heterodimers. Potential partners of CLOCK were isolated in a two-hybrid screen, and one, BMAL1, was coexpressed with CLOCK and PER1 at known circadian clock sites in brain and retina. CLOCK-BMAL1 heterodimers activated transcription from E-box elements, a type of transcription factor-binding site, found adjacent to the mouse per1 gene and from an identical E-box known to be important for per gene expression in Drosophila. Mutant CLOCK from the dominant-negative Clock allele and BMAL1 formed heterodimers that bound DNA but failed to activate transcription. Thus, CLOCK-BMAL1 heterodimers appear to drive the positive component of per transcriptional oscillations, which are thought to underlie circadian rhythmicity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gekakis, N -- Staknis, D -- Nguyen, H B -- Davis, F C -- Wilsbacher, L D -- King, D P -- Takahashi, J S -- Weitz, C J -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1564-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Harvard Medical School, Boston MA 02115, USA. 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9616112" target="_blank"〉PubMed〈/a〉
    Keywords: ARNTL Transcription Factors ; Animals ; Basic Helix-Loop-Helix Transcription Factors ; Biological Clocks ; CLOCK Proteins ; Cell Cycle Proteins ; Circadian Rhythm/genetics/*physiology ; Cloning, Molecular ; Cricetinae ; DNA/metabolism ; Dimerization ; Feedback ; Gene Expression ; Helix-Loop-Helix Motifs ; Male ; Mesocricetus ; Mice ; Mutation ; Nuclear Proteins/*genetics/metabolism ; Period Circadian Proteins ; Promoter Regions, Genetic ; Retina/metabolism ; Suprachiasmatic Nucleus/metabolism ; Trans-Activators/genetics/*metabolism ; Transcription Factors/genetics/*metabolism ; *Transcriptional Activation
    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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    Mutagenesis and mapping of a mouse gene, Clock, essential for circadian behavior (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-04-29
    Description: In a search for genes that regulate circadian rhythms in mammals, the progeny of mice treated with N-ethyl-N-nitrosourea (ENU) were screened for circadian clock mutations. A semidominant mutation, Clock, that lengthens circadian period and abolishes persistence of rhythmicity was identified. Clock segregated as a single gene that mapped to the midportion of mouse chromosome 5, a region syntenic to human chromosome 4. The power of ENU mutagenesis combined with the ability to clone murine genes by map position provides a generally applicable approach to study complex behavior in mammals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3839659/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3839659/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vitaterna, M H -- King, D P -- Chang, A M -- Kornhauser, J M -- Lowrey, P L -- McDonald, J D -- Dove, W F -- Pinto, L H -- Turek, F W -- Takahashi, J S -- P30-CA07175/CA/NCI NIH HHS/ -- R01-DK40493/DK/NIDDK NIH HHS/ -- T32 NS071040/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- etc. -- New York, N.Y. -- Science. 1994 Apr 29;264(5159):719-25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology and Physiology, Northwestern University, Evanston, IL 60208.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8171325" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Chromosomes, Human, Pair 4 ; Circadian Rhythm/*genetics ; Ethylnitrosourea ; Female ; *Genes ; Genotype ; Humans ; Male ; Mice ; Mice, Inbred C57BL ; *Mutagenesis ; Phenotype
    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)
    Location Call Number Expected Availability
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    PAPER CURRENT
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