Interspecies variation of larval locomotion kinematics in the genusDrosophilaand its relation to habitat temperature
Interspecies variation of larval locomotion kinematics in the genusDrosophilaand its relation to habitat temperature
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果蝇属幼虫运动学的种间变异及其与生境温度的关系
DOI：
10.1101/2020.11.06.371120
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
Kohsaka Hiroshi
中科院分区：
文献类型：
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作者：
Matsuo Yuji;Nose Akinao;Kohsaka Hiroshi
背景运动的速度和轨迹是个体物种的特征特征。运动运动学可能是在进化过程中形成的，以提高每个物种在栖息地的存活率。虽然运动的运动学被认为受到生境的影响，但运动学与环境因素之间的定量关系尚未完全揭示。我们对11种果蝇幼虫的运动进行了比较分析。结果发现，不同物种的幼虫运动运动学存在差异。多样性与体长无关，而与物种的栖息地温度相关。基于贝叶斯推理的系统发育分析表明，不同的系统发育树枝的运动学进化速度是不同的。结论本研究结果表明，在果蝇属的进化史中，幼虫运动的运动学发生了分化，并在生境环境温度的影响下进化。
BackgroundSpeed and trajectory of locomotion are the characteristic traits of individual species. Locomotion kinematics may have been shaped during evolution towards increased survival in the habitats of each species. Although kinematics of locomotion is thought to be influenced by habitats, the quantitative relation between the kinematics and environmental factors has not been fully revealed. Here, we performed comparative analyses of larval locomotion in 11Drosophilaspecies.ResultsWe found that larval locomotion kinematics are divergent among the species. The diversity is not correlated to the body length but is correlated instead to the habitat temperature of the species. Phylogenetic analyses using Bayesian inference suggest that the evolutionary rate of the kinematics is diverse among phylogenetic tree branches.ConclusionsThe results of this study imply that the kinematics of larval locomotion has diverged in the evolutionary history of the genusDrosophilaand evolved under the effects of the ambient temperature of habitats.