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Journal articles

A Drosophila male pheromone affects female sexual receptivity

Abstract : Sex pheromones are chemical signals frequently required for mate choice, but their reciprocal role on mate preference has rarely been shown in both sexes. In Drosophila melanogaster flies, the predominant cuticular hydrocarbons (CHs) are sexually dimorphic: only females produce 7,11-dienes, whereas 7-tricosene (7-T) is the principal male CH. Males generally prefer females with 7,11-dienes, but the role of 7-T on female behaviour remains unclear. With perfumed males, control females mated faster and more often with males carrying increased levels of 7-T showing that this CH acts as a chemical stimulant for D. melanogaster females. Control females-but not antenna-less females-could detect small variation of 7-T. Finally, our finding that desat1 mutant female showed altered response towards 7-T provides an additional role for this gene which affects the production and the perception of pheromones involved in mate choice, in both sexes.
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Submitted on : Thursday, January 28, 2010 - 3:37:42 PM
Last modification on : Wednesday, January 26, 2022 - 11:42:01 AM


  • HAL Id : hal-00451230, version 1



Micheline Grillet, Laurence Dartevelle, Jean-François Ferveur. A Drosophila male pheromone affects female sexual receptivity. Proc Biol Sci, 2006, 273 (1584), pp.315-23. ⟨hal-00451230⟩



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