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  • Title: Odor discrimination of "IP3-" and "cAMP-increasing" odorants in the turtle olfactory bulb.
    Author: Kashiwayanagi M, Nagasawa F, Inamura K, Kurihara K.
    Journal: Pflugers Arch; 1996 Mar; 431(5):786-90. PubMed ID: 8596731.
    Abstract:
    The ability of the turtle olfactory system to discriminate between various odorants that increase levels of adenosine 3',5'-cyclic monophosphate (cAMP) and inositol trisphosphate (IP3) in the olfactory bulb was examined by the cross-adaptation technique and analyzed by multidimensional scaling. The mean values of the degree of discrimination among the IP3-increasing odorants were higher than those among the cAMP-increasing odorants, and were similar to those between cAMP- and IP3-increasing odorants, suggesting that the features of the receptors of cAMP-increasing odorants are different from those which respond to IP3-increasing odorants. Analysis by multidimensional scaling suggested that differences in second messenger pathways are not related to detecting odor quality in the turtle olfactory system.
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