A male pheromone in the sea lamprey (Petromyzon marinus):: an overview

被引:16
|
作者
Li, WM
Scott, AP
Siefkes, MJ
Yun, SS
Zielinski, B
机构
[1] Michigan State Univ, Dept Fish & Wildlife, E Lansing, MI 48824 USA
[2] Ctr Environm Fisheries & Aquaculture Sci, Weymouth DT4 8UB, Dorset, England
[3] Univ Windsor, Dept Biol Sci, Windsor, ON N9B 3P4, Canada
关键词
3 keto-petromyzonol sulfate; 3 keto-allocholic acid; bile acid; gills; pest control; pheromone; reproduction;
D O I
10.1023/B:FISH.0000030546.09761.64
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
We conclude that spermiating male sea lamprey release a large amount of 7alpha,12alpha,24-trihydroxy-5alpha-cholan-3-one 24-sulfate via their gills. We suggest that this compound is used to signal the location of their nests to ovulated females downstream. The role of the minor component, 3kACA, has yet to be determined. The selection pressure to signal over a long distance in rapid flowing water may have favored the evolution of a bile acid derivative ( as opposed to a gonadal steroid) as a pheromone. Considering the size of the liver, bile acids can be produced in relatively large quantities. Interference with this pheromone system offers an attractive target for selective and environmentally benign control of the sea lamprey.
引用
收藏
页码:259 / 262
页数:4
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