Hormonally derived sex pheromones in fish: exogenous cues and signals from gonad to brain.
Hormonally derived sex pheromones in fish: exogenous cues and signals from gonad to brain.
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DOI：
10.1139/y03-024
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发表时间：
2003-04
影响因子：
2.1
通讯作者：
N. Stacey;A. Chojnacki;A. Narayanan;T. Cole;Cheryl A. Murphy
中科院分区：
文献类型：
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作者：
N. Stacey;A. Chojnacki;A. Narayanan;T. Cole;Cheryl A. Murphy
生活在一个介质，可以限制视觉信息，但很容易暴露嗅觉器官的激素化合物释放的同种，鱼类在其漫长的进化历史有明确的原因和充分的机会，发展嗅觉反应，这些潜在的重要化学线索（激素信息素）。事实上，水传播的甾体化合物，类胡萝卜素，及其代谢产物检测具有很大的灵敏度和特异性的不同鱼类的嗅觉器官，并发挥重要的影响生殖行为和生理的主要类群，包括鲤鱼（金鱼），鲶鱼，鲑鱼，和虾虎鱼。最好理解的是金鱼，其中排卵期女性依次释放排卵前类固醇信息素和排卵后前列腺素信息素，显着影响男性的行为，生理和生殖健康。虽然各种各样的激素产品的释放和检测的鱼表明明确的潜力，物种特异性激素信息素，嗅觉记录显示相似的模式密切相关的物种之间的激素检测提供很少的证据选择的特异性。通过证明性激素和相关产物的作用不限于个体内的生殖同步，激素信息素的相对较新的发现大大扩展了我们对鱼类生殖功能的理解，同时为未来嗅觉功能和信息素进化的研究提供了有价值的模型系统。
Living in a medium that can limit visual information but readily exposes the olfactory organ to hormonal compounds released by conspecifics, fish throughout their long evolutionary history have had both clear cause and ample opportunity to evolve olfactory responsiveness to these potentially important chemical cues (hormonal pheromones). Indeed, water-borne steroids, prostaglandins, and their metabolites are detected with great sensitivity and specificity by the olfactory organs of diverse fishes, and exert important effects on reproductive behavior and physiology in major taxa including carps (goldfish), catfishes, salmon, and gobies. Best understood are goldfish, where periovulatory females sequentially release a preovulatory steroid pheromone and a postovulatory prostaglandin pheromone that dramatically affect male behavior, physiology, and reproductive fitness. Although the diverse array of hormonal products released and detected by fish indicates clear potential for species-specific hormonal pheromones, olfactory recordings showing similar patterns of hormone detection among closely related species provide little evidence of selection for specificity. By demonstrating that the actions of sex hormones and related products are not limited to reproductive synchrony within the individual, the relatively recent discovery of hormonal pheromones has considerably expanded our understanding of fish reproductive function, while providing valuable model systems for future study of olfactory function and pheromone evolution.