A Sea Lamprey (Petromyzon marinus) Sex Pheromone Mixture Increases Trap Catch Relative to a Single Synthesized Component in Specific Environments

Journal of Chemical Ecology
Nicholas S JohnsonWeiming Li

Abstract

Spermiating male sea lamprey (Petromyzon marinus) release a sex pheromone, of which a component, 7α, 12α, 24-trihydoxy-3-one-5α-cholan-24-sulfate (3kPZS), has been identified and shown to induce long distance preference responses in ovulated females. However, other pheromone components exist, and when 3kPZS alone was used to control invasive sea lamprey populations in the Laurentian Great Lakes, trap catch increase was significant, but gains were generally marginal. We hypothesized that free-ranging sea lamprey populations discriminate between a partial and complete pheromone while migrating to spawning grounds and searching for mates at spawning grounds. As a means to test our hypothesis, and to test two possible uses of sex pheromones for sea lamprey control, we asked whether the full sex pheromone mixture released by males (spermiating male washings; SMW) is more effective than 3kPZS in capturing animals in traditional traps (1) en route to spawning grounds and (2) at spawning grounds. At locations where traps target sea lampreys en route to spawning grounds, SMW-baited traps captured significantly more sea lampreys than paired 3kPZS-baited traps (~10% increase). At spawning grounds, no difference in trap catch was observed ...Continue Reading

References

Jun 12, 2001·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·K R PolingP W Sorensen
Apr 6, 2002·Science·Weiming LiDouglas A Gage
Jan 1, 2004·Biological Reviews of the Cambridge Philosophical Society·Ulrika Candolin
May 1, 2004·Psychonomic Bulletin & Review·Eric-Jan Wagenmakers, Simon Farrell
Jan 24, 2009·Proceedings of the National Academy of Sciences of the United States of America·Nicholas S JohnsonWeiming Li
Jun 28, 2013·The Journal of Experimental Biology·Yu-Wen Chung-DavidsonWeiming Li

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Citations

Nov 27, 2015·Frontiers in Zoology·Tyler J BuchingerWeiming Li
Jul 16, 2016·Journal of Chemical Ecology·Peter W Sorensen, Nicholas S Johnson
Mar 7, 2018·Journal of Chemical Ecology·M Rockwell ParkerBruce A Kimball

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