Olfactory adenylate cyclase of the rat Stimulation by odorants and inhibition by Ca2+

Authors:
  • SSS G Shirley
    S G Shirley
  • CRC J Robinson
    C J Robinson
  • KDK Dickinson
    K Dickinson
  • RAR Aujla
    R Aujla
  • GDG H Dodd
    G H Dodd

Abstract
Membranes prepared from olfactory mucosa of the rat show a high level of adenylase cyclase activity. The activity increases up to 2-fold in the presence of physiologically relevant concentrations of odorants and is inhibited by Ca2+. The level of cyclase activity found is sufficient to explain the speed of olfactory transduction, which occurs on a time scale of tens of milliseconds.

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