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« Previous AbstractEffects of sex pheromones and sexual maturation on locomotor activity in female sea lamprey (Petromyzon marinus)    Next AbstractThe association between exposure to the oil and gas industry and beef calf mortality in Western Canada »

J Biol Rhythms


Title:Differential Effects of Sex Pheromone Compounds on Adult Female Sea Lamprey (Petromyzon marinus) Locomotor Patterns
Author(s):Walaszczyk EJ; Goheen BB; Steibel JP; Li W;
Address:"Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI. Neuroscience Program, Michigan State University, East Lansing, MI. Department of Animal Science, Michigan State University, East Lansing, MI. Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI liweim@msu.edu"
Journal Title:J Biol Rhythms
Year:2016
Volume:20160217
Issue:3
Page Number:289 - 298
DOI: 10.1177/0748730416629248
ISSN/ISBN:1552-4531 (Electronic) 0748-7304 (Linking)
Abstract:"Synchronization of male and female locomotor activity plays a critical role in ensuring reproductive success, especially in semelparous species. The goal of this study was to elucidate the effects of individual chemical signals, or pheromones, on the locomotor activity in the sea lamprey (Petromyzon marinus). In their native habitat, adult preovulated females (POF) and ovulated females (OF) are exposed to sex pheromone compounds that are released from spermiated males and attract females to nests during their migration and spawning periods. In this study, locomotor activity of individual POF and OF was measured hourly in controlled laboratory conditions using an automated video-tracking system. Differences in the activity between a baseline day (no treatment exposure) and a treatment day (sex pheromone compound or control exposure) were examined for daytime and nighttime periods. Results showed that different pheromone compound treatments affected both POF and OF sea lamprey (p < 0.05) but in different ways. Spermiated male washings (SMW) and one of its main components, 7alpha,12alpha,24-trihydroxy-5alpha-cholan-3-one 24 sulfate (3kPZS), decreased activity of POF during the nighttime. SMW also reduced activity in POF during the daytime. In contrast, SMW increased activity of OF during the daytime, and an additional compound found in SMW, petromyzonol sulfate (PZS), decreased the activity during the nighttime. In addition, we examined factors that allowed us to infer the overall locomotor patterns. SMW increased the maximum hourly activity during the daytime, decreased the maximum hourly activity during the nighttime, and reduced the percentage of nocturnal activity in OF. Our findings suggest that adult females have evolved to respond to different male compounds in regards to their locomotor activity before and after final maturation. This is a rare example of how species-wide chemosensory stimuli can affect not only the amounts of activity but also the overall locomotor pattern in a vertebrate species"
Keywords:Animal Communication Animal Migration/drug effects Animals Cholic Acids/*pharmacology Circadian Rhythm Female Locomotion/*drug effects Male Ovulation Petromyzon/*physiology Sex Attractants/*pharmacology Smell Videotape Recording activity pattern agnathan;neuroscience;
Notes:"MedlineWalaszczyk, Erin J Goheen, Benjamin B Steibel, Juan Pedro Li, Weiming eng Research Support, Non-U.S. Gov't 2016/02/19 J Biol Rhythms. 2016 Jun; 31(3):289-98. doi: 10.1177/0748730416629248. Epub 2016 Feb 17"

 
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Citation: El-Sayed AM 2024. The Pherobase: Database of Pheromones and Semiochemicals. <http://www.pherobase.com>.
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