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    Heterochronic mutants of the nematode Caenorhabditis elegans (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-10-26
    Description: Mutations in the Caenorhabditis elegans genes lin-14, lin-28, and lin-29 cause heterochronic developmental defects: the timing of specific developmental events in several tissues is altered relative to the timing of events in other tissues. These defects result from temporal transformations in the fates of specific cells, that is, certain cells express fates normally expressed by cells generated at other developmental stages. The identification and characterization of genes that can be mutated to cause heterochrony support the proposal that heterochrony is a mechanism for phylogenetic change and suggest cellular and genetic bases for heterochronic variation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ambros, V -- Horvitz, H R -- GM24663/GM/NIGMS NIH HHS/ -- GM24943/GM/NIGMS NIH HHS/ -- HD00369/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Oct 26;226(4673):409-16.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6494891" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caenorhabditis/*genetics ; Female ; *Genes ; Genetic Variation ; Male ; *Mutation ; *Phylogeny ; Time Factors
    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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    Serotonin and octopamine in the nematode Caenorhabditis elegans (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-05-28
    Description: The biogenic amines serotonin and octopamine are present in the nematode Caenorhabditis elegans. Serotonin, detected histochemically in whole mounts, is localized in two pharyngeal neurons that appear to be neurosecretory. Octopamine, identified radioenzymatically in crude extracts, probably is also localized in a few neurons. Exogenous serotonin and octopamine elicit specific and opposite behavioral responses in Caenorhabditis elegans, suggesting that these compounds function physiologically as antagonists.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Horvitz, H R -- Chalfie, M -- Trent, C -- Sulston, J E -- Evans, P D -- GM07287/GM/NIGMS NIH HHS/ -- GM24663/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1982 May 28;216(4549):1012-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6805073" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Animals ; Behavior, Animal/physiology ; Caenorhabditis/*physiology ; Female ; Octopamine/*physiology ; Ovulation/drug effects ; Serotonin/*physiology ; Temperature
    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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