| Title: | Male mate choice via cuticular hydrocarbon pheromones drives reproductive isolation between Drosophila species |
| Author(s): | Shahandeh MP; Pischedda A; Turner TL; |
| Address: | "Department of Ecology, Evolution, and Marine Biology, University of California Santa Barbara, California 93106. Department of Biology, Barnard College, Columbia University, New York 10027" |
| ISSN/ISBN: | 1558-5646 (Electronic) 0014-3820 (Print) 0014-3820 (Linking) |
| Abstract: | "Mate discrimination is a key mechanism restricting gene flow between species. While studied extensively with respect to female mate choice, mechanisms of male mate choice between species are far less studied. Thus, we have little knowledge of the relative frequency, importance, or overall contribution of male mate discrimination to reproductive isolation. In the present study, we estimated the relative contributions of male and female choice to reproductive isolation between Drosophila simulans and D. sechellia, and show that male mate discrimination accounts for the majority of the current isolation between these species. We further demonstrate that males discriminate based on female cuticular hydrocarbon pheromones, and collect evidence supporting the hypothesis that male mate discrimination may alleviate the costs associated with heterospecific courtship and mating. Our findings highlight the potentially significant contribution of male mate choice to the formation of reproductive isolating barriers, and thus the speciation process" |
| Keywords: | "Animals Drosophila/*classification/genetics/physiology Female Male *Mating Preference, Animal Pheromones/*physiology Reproductive Isolation Sexual Behavior, Animal Male mate choice behavior courtship pheromones speciation;" |
| Notes: | "MedlineShahandeh, Michael P Pischedda, Alison Turner, Thomas L eng R01 GM098614/GM/NIGMS NIH HHS/ Research Support, N.I.H., Extramural 2017/11/04 Evolution. 2018 Jan; 72(1):123-135. doi: 10.1111/evo.13389. Epub 2017 Nov 24" |
