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The motility of olfactory cilia of frog (Rana temporaria) was studied by vital video microscopy under an exposure to odorants: pentanol, camphor, cineole, vanillin (first group), ammonia, and hydrogen sulfide (second group) as well as inhibitors of cell respiration (rotenone and malonate). It was shown that olfactory cilia have both a dynein-tubulin and an actin-myosin molecular motility system. The first molecular motility system provides unordered movements and the second, ordered movements. Motility ordering occurs under the exposure to odorants. The effects of odorants of different groups on mitochondrial respiratory chain activity and olfactory cilia motility are different.
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