Intraspecific evolution of sexually dimorphic characters in a female diving beetle can be promoted by demographic history and temperature
Intraspecific evolution of sexually dimorphic characters in a female diving beetle can be promoted by demographic history and temperature
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种群历史和温度可以促进雌性潜水甲虫性二态特征的种内进化
DOI：
10.1111/evo.14470
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发表时间：
2022
期刊：
影响因子：
3.3
通讯作者：
and H. Ikeda
中科院分区：
文献类型：
--
作者：
Kiyokawa;R;and H. Ikeda
先前的研究预测，导致快速物种形成的性二形性状的拮抗性种内进化可以由人口历史和环境变化驱动。然而，研究人员很少在野外研究这个问题。本文以一种具有显著性二型性状的潜水甲虫Acilius darlovae为研究对象，探讨了性二型性状的种内进化及其驱动力。吸盘较大的雄蛾与雌蛾交配成功率较高，而前肛毛较多的雌蛾交配持续时间较短。在种群间遗传分化较大的地区，雌性有较多的前胸毛。考虑到以前的研究表明，种群之间的连续性较低，导致更高的雌性交配成本，这一结果表明，在这一地区的交配成本更高。在温暖的网站女性也有更多的前胸毛。鉴于在温暖的水中O2消耗量的增加，我们的研究结果表明，更多的前胸毛在温暖的网站女性一直保持，以防止长期的水下交配在较高的O2需求。这些研究结果表明，人口统计学的历史和温度可以直接进化的性二型性状有关的性冲突的女性。
Previous studies have predicted that antagonistic intraspecific evolution of sexually dimorphic characters causing rapid speciation can be driven by demographic history and environmental variations. However, researchers have rarely examined this issue in the wild. Here, we examined intraspecific evolution of sexually dimorphic characters and its driving force by using a diving beetle,Acilius japonicus, which has very marked sexually dimorphic characters. Males with wider big suction cups could copulate with females with a higher success rate, whereas the mating durations of females with more hairs on their pronota were shorter. Females in a region with greater interpopulation genetic differentiation had more pronotal hairs. Considering that a previous study showed that less continuity among populations leads to a higher female cost of mating, this result suggests a greater female cost of mating in this region. Females at warmer sites also had more pronotal hairs. In light of the increase in O2consumption in warmer water, our result suggests that more pronotal hairs in females at warmer sites have been maintained to prevent prolonged underwater mating at higher O2demand. These findings suggest that demographic history and temperature can direct the evolution of sexually dimorphic characters related to sexual conflict in females.
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影响因子：
5.2
作者：
Garcia-Roa, Roberto;Chirinos, Valeria;Carazo, Pau
通讯作者：
Carazo, Pau
DOI：
10.1073/pnas.0505172102
发表时间：
2005-12-13
影响因子：
11.1
作者：
Le Galliard, JF;Fitze, PS;Clobert, J
通讯作者：
Clobert, J
影响因子：
7.7
作者：
Excoffier, Laurent;Lischer, Heidi E. L.
通讯作者：
Lischer, Heidi E. L.
性别对抗女性特征的种群分化中当地生态、差异选择和遗传漂变之间的相互作用
影响因子：
3.3
作者：
K. K. Green;E. Svensson;J. Bergsten;R. Härdling;B. Hansson
通讯作者：
B. Hansson
影响因子：
3.7
作者：
Bergsten J;Miller KB
通讯作者：
Miller KB