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Interpreting differentiation landscapes in the light of long‐term linked selection

机译：根据长期的联系选择来解释差异景观

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摘要

Identifying genomic regions underlying adaptation in extant lineages is key to understanding the trajectories along which biodiversity evolves. However, this task is complicated by evolutionary processes that obscure and mimic footprints of positive selection. Particularly, the long‐term effects of linked selection remain underappreciated and difficult to account for. Based on patterns emerging from recent research on the evolution of differentiation across the speciation continuum, I illustrate how long‐term linked selection affects the distribution of differentiation along genomes. I then argue that a comparative population genomics framework that exploits emergent features of long‐term linked selection can help overcome shortcomings of traditional genome scans for adaptive evolution, but needs to account for the temporal dynamics of differentiation landscapes.
机译：识别现存世系中适应基础的基因组区域是了解生物多样性发展轨迹的关键。但是，由于遮盖和模仿肯定选择的足迹的进化过程使这项任务变得复杂。特别是，链接选择的长期影响仍未得到充分重视，难以解释。基于最近有关物种连续性分化演变的研究的新模式，我说明了长期连锁选择如何影响基因组分化的分布。然后，我认为，一个利用长期连锁选择的新兴特征的比较种群基因组学框架，可以帮助克服传统基因组扫描在适应性进化方面的缺点，但需要考虑到分化态势的时间动态。

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