Several recent studies suggest that interactions with conspecific males can reduce the longevity of female Drosophila melanogaster or support the idea that male and female fitness components are involved in antagonistic interactions. Here we report that males from third-chromosome isogenic lines demonstrated significant genetic variation in male reproductive performance and in the longevity of their mates. Increased male performance was marginally significantly associated with one measure of increased female survival rate. However, there was no indication of tradeoffs or negative correlations between male reproductive success and female survival. We discuss alternative hypotheses for the cause of the induced variation in female longevity.

译文

最近的几项研究表明,与同种雄性的相互作用可以减少雌性果蝇的寿命,或者支持雄性和雌性健身成分参与拮抗相互作用的观点。在这里,我们报告说,来自第三染色体等基因系的雄性在雄性生殖性能和配偶寿命方面表现出显着的遗传变异。男性表现的提高与女性存活率提高的一种指标略有显着相关。但是,没有迹象表明男性生殖成功与女性存活率之间存在权衡或负相关关系。我们讨论了引起女性寿命变化的原因的替代假设。

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