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  • 1
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    Identification of a specialized adenylyl cyclase that may mediate odorant detection (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-07
    Description: The mammalian olfactory system may transduce odorant information via a G protein-mediated adenosine 3',5'-monophosphate (cAMP) cascade. A newly discovered adenylyl cyclase, termed type III, has been cloned, and its expression was localized to olfactory neurons. The type III protein resides in the sensory neuronal cilia, which project into the nasal lumen and are accessible to airborne odorants. The enzymatic activity of the type III adenylyl cyclase appears to differ from nonsensory cyclases. The large difference seen between basal and stimulated activity for the type III enzyme could allow considerable modulation of the intracellular cAMP concentration. This property may represent one mechanism of achieving sensitivity in odorant perception.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bakalyar, H A -- Reed, R R -- 5T32CA09339/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1403-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2255909" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/genetics/*physiology ; Amino Acid Sequence ; Animals ; Brain/enzymology/physiology ; Cell Line ; Clone Cells ; Cloning, Molecular ; Gene Library ; Glycosylation ; Isoenzymes/genetics/*physiology ; Macromolecular Substances ; Molecular Sequence Data ; Molecular Weight ; Neurons, Afferent/enzymology/physiology ; Nose/enzymology/physiology ; *Odors ; Protein Conformation ; Rats ; *Signal Transduction
    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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    Isolation of an olfactory cDNA: similarity to retinol-binding protein suggests a role in olfaction (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-02-27
    Description: Molecular cloning techniques were used to isolate and characterize a protein possibly involved in the signal transducing system in olfactory tissue of the frog Rana pipiens. A complementary DNA library was constructed with messenger RNA obtained from frog olfactory neuroepithelium. A 700-base pair complementary DNA clone encoding a protein with a molecular weight of 20,300 was identified by differential hybridization analysis with polyadenylated RNA from olfactory epithelium and nonsensory respiratory epithelium. The messenger RNA corresponding to this clone was abundant in the cells of Bowman's glands in olfactory tissue but not in respiratory epithelium nor in several other tissues. The predicted sequence of this protein is homologous to members of a family of proteins that bind and transport small molecules in serum, suggesting that this protein may also bind and transport odorants in the mucus secreted by Bowman's glands.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, K H -- Wells, R G -- Reed, R R -- 5 PO1 CA16519/CA/NCI NIH HHS/ -- 5 T32 GM07309/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 Feb 27;235(4792):1053-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3493528" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; DNA/*genetics/isolation & purification ; Epithelium/analysis ; Molecular Weight ; Mucus/metabolism ; Nucleic Acid Hybridization ; Odors ; Olfactory Mucosa/*analysis/physiology ; RNA, Messenger/genetics/metabolism ; Rana pipiens ; Respiratory System/analysis ; Retinol-Binding Proteins/genetics/*physiology
    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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