Molecular organization of vomeronasal chemoreception.
Molecular organization of vomeronasal chemoreception.
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DOI:
10.1038/nature10437
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发表时间:
2011-09-21
期刊:
影响因子:
64.8
通讯作者:
Dulac, Catherine
中科院分区:
文献类型:
--
作者:
Isogai, Yoh;Si, Sheng;Pont-Lezica, Lorena;Tan, Taralyn;Kapoor, Vikrant;Murthy, Venkatesh N.;Dulac, Catherine
The vomeronasal organ (VNO) plays a key role in mediating the social and defensive responses of many terrestrial vertebrates to species- and sex-specific chemosignals. Over 250 putative pheromone receptors have been identified in the mouse VNO, but the nature of the signals detected by individual VNO receptors has not yet been elucidated. In order to gain insight into the molecular logic of VNO detection leading to mating, aggression, or defensive responses, we sought to uncover the response profiles of individual vomeronasal receptors to a wide range of animal cues. We describe here the repertoire of ethological and physiological stimuli detected by a large number of individual vomeronasal receptors, and define a global map of vomeronasal signal detection. We demonstrate that the two classes of vomeronasal receptors V1Rs and V2Rs use fundamentally different strategies to encode chemosensory information, and that distinct receptor subfamilies have evolved towards the specific recognition of certain animal groups or chemical structures. The association of large subsets of vomeronasal receptors with cognate, ethologically and physiologically relevant stimuli establishes the molecular foundation of vomeronasal information coding, and opens new avenues for further investigating the neural mechanisms underlying behavior specificity.
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