Molecular biological research on olfactory chemoreception in fishes

This review describes recent molecular biological research on olfactory chemoreception in fishes. The recent rapid development of molecular biological techniques has provided new valuable information on the main and vomeronasal olfactory receptor (OR) genes, the axonal projection from ciliated, micr...

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Bibliographic Details
Published in:Journal of fish biology 2009-10, Vol.75 (5), p.945-959
Main Authors: Hino, H., Miles, N. G., Bandoh, H., Ueda, H.
Format: Article
Language:English
Subjects:
Animals
Fishes - classification
Fishes - genetics
Fishes - physiology
homing
Homing Behavior - physiology
imprinting
Molecular Biology
Olfactory Bulb - physiology
olfactory chemoreception
olfactory receptor
Receptors, Odorant - genetics
salmon
Salmon - physiology
Smell - genetics
Smell - physiology
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Summary:This review describes recent molecular biological research on olfactory chemoreception in fishes. The recent rapid development of molecular biological techniques has provided new valuable information on the main and vomeronasal olfactory receptor (OR) genes, the axonal projection from ciliated, microvillous and crypt‐olfactory receptor cells to the olfactory bulb, properties of odorant substances and olfactory imprinting and homing in salmon. Many important questions, however, remain unanswered on functional differences among OR genes, on ligand binding to each OR and on the molecular biological mechanisms underlying olfactory imprinting and homing in salmon. Olfactory chemoreception is believed to be the oldest sensory cue for both animal survival and adaptation to various different environments. Further intensive molecular biological research on olfactory memory formation and remembrance should be carried out to clarify the fundamental process of olfactory chemoreception in fishes.
ISSN:0022-1112
1095-8649
DOI:10.1111/j.1095-8649.2009.02341.x