齿水黾性别对抗的雄性和雌性适应的共同发育遗传基础。

IF 3.7 1区 生物学 Q2 EVOLUTIONARY BIOLOGY
Evolution Letters Pub Date : 2024-10-22 eCollection Date: 2025-02-01 DOI:10.1093/evlett/qrae056
Claudia Pruvôt, David Armisén, Pascale Roux, Göran Arnqvist, Locke Rowe, Arild Husby, Abderrahman Khila
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引用次数: 0

摘要

性别冲突可以驱动雄性和雌性表型的差异,跨物种比较分析已经记录了促进两性进化利益的性别特异性特征的相关进化模式。然而,男性和女性的共同进化可能是高度动态的,特别是如果男性和女性的特征共享一个潜在的遗传程序。在这里,我们使用水黾,一个被充分研究的性拮抗共同进化模型系统,并询问性别特异性表型适应是否在种群中共同变化,以及它们是否具有共同的发育遗传基础。通过在种群和物种水平上的比较分析,我们记录了在有齿水黾Gerris odontogaster中衍生的雄性配偶抓取特征和假定的雌性反抓取反适应之间的关联。有趣的是,在一些种群中,雄性部分失去了它们的抓握特征,雌性也减少了它们的反抓握适应。我们使用RNAi来表明,这些男性和女性的特征都与一个共同的发育遗传程序有关,包括Hox和性别决定基因,尽管它们在不同的腹部节段上具有不同的结构。我们的工作说明了性对抗的共同进化的动态性质,并表明发育遗传程序的多效性可以模糊区域间和区域内遗传冲突的区别。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A shared developmental genetic basis for sexually antagonistic male and female adaptations in the toothed water strider.

Sexual conflict can drive the divergence of male and female phenotypes and cross-species comparative analyses have documented patterns of correlated evolution of sex-specific traits that promote the evolutionary interests of the sexes. However, male-female coevolution can be highly dynamic, particularly if the male and female traits share an underlying genetic program. Here, we use water striders, a well-studied model system for sexually antagonistic coevolution, and ask whether sex-specific phenotypic adaptations covary across populations and whether they share a common developmental genetic basis. Using comparative analyses both at the population and species levels, we document an association between a derived male mate-grasping trait and a putative female antigrasping counteradaptation in the toothed water strider Gerris odontogaster. Interestingly, in several populations where males have partly lost their derived grasping trait, females have also reduced their antigrasping adaptation. We used RNAi to show that these male and female traits are both linked to a common developmental genetic program involving Hox- and sex-determination genes, despite the fact that they are different structures on different abdominal segments. Our work illustrates the dynamic nature of sexually antagonistic coevolution and suggests that the pleiotropic nature of developmental genetic programs can blur the distinction between inter- and intralocus genetic conflict.

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来源期刊
Evolution Letters
Evolution Letters EVOLUTIONARY BIOLOGY-
CiteScore
13.00
自引率
2.00%
发文量
35
审稿时长
10 weeks
期刊介绍: Evolution Letters publishes cutting-edge new research in all areas of Evolutionary Biology. Available exclusively online, and entirely open access, Evolution Letters consists of Letters - original pieces of research which form the bulk of papers - and Comments and Opinion - a forum for highlighting timely new research ideas for the evolutionary community.
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