期刊
SCIENCE
卷 296, 期 5565, 页码 138-141出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1067797
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We show that reproductively mature mate sea lampreys release a bile acid that acts as a potent sex pheromone, inducing preference and searching behavior in ovulated female lampreys. The secreted bile acid 7alpha,12alpha,24-trihydroxy-5alpha-cholan-3-one 24-sulfate was released in much higher amounts relative to known vertebrate steroid pheromones and may be secreted through the gills. Hence, the mate of this fish species signals both its reproductive status and location to females by secreting a pheromone that can act over long distances.
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