Journal Club: Female flies fight back against mate-guarding by males

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PNAS Journal Club: Highlighting recently published papers selected by Academy members


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  • TitleJournal Club: Female flies fight back against mate-guarding by males
    Degree of recognitionInternational
    Media name/outletPNAS Journal Club
    Media typeWeb
    Country/TerritoryUnited States
    DescriptionAfter mating, males of many species take steps to keep their partners from having sex with other males. But some females may have evolved tricks to foil these measures. Researchers studying the fruit fly Drosophila melanogaster have discovered that when females expel excess sperm after mating, they also get rid of a key pheromone that males leave behind to repel other would-be suitors. The findings, published on August 3 in Nature Communications, describe one of the first known observations of female defense in the animal kingdom against chemical mate-guarding.
    Producer/AuthorHelen Shen
    PersonsJean-Christophe Billeter, Meghan Laturney