性隔离对物种繁衍有多重要?

IF 6.9 2区 生物学 Q1 CELL BIOLOGY
Kerry L Shaw, Christopher R Cooney, Tamra C Mendelson, Michael G Ritchie, Natalie S Roberts, Leeban H Yusuf
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引用次数: 0

摘要

自达尔文以来,人们就注意到性隔离在新物种的形成和物种边界的确立中发挥着核心作用,现代关于物种分化的文献也经常强调这一点。然而,对于性隔离何时以及如何在物种形成中发挥作用,很少有分类群进行过客观的评估。我们讨论了评估性隔离相对于其他生殖障碍的重要性的三种方法,包括性状分化的相对进化速度、共生中性隔离的相对强度以及性隔离在分化形式的长期持续中的作用。首先,我们评估了在分化早期阶段性隔离是否比其他生殖障碍进化得更快的证据。其次,我们讨论现有的证据,以确定在亲缘关系很近的同域物种之间,性隔离是否与其他障碍一样强或更强。最后,我们考虑了相对于其他生殖障碍而言,性隔离对物种长期存在的影响。我们强调了在物种形成过程的不同阶段,我们对性隔离的认识所面临的挑战和改进的机会。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
How Important Is Sexual Isolation to Speciation?

A central role for sexual isolation in the formation of new species and establishment of species boundaries has been noticed since Darwin and is frequently emphasized in the modern literature on speciation. However, an objective evaluation of when and how sexual isolation plays a role in speciation has been carried out in few taxa. We discuss three approaches for assessing the importance of sexual isolation relative to other reproductive barriers, including the relative evolutionary rate of sexual trait differentiation, the relative strength of sexual isolation in sympatry, and the role of sexual isolation in the long-term persistence of diverging forms. First, we evaluate evidence as to whether sexual isolation evolves faster than other reproductive barriers during the early stages of divergence. Second, we discuss available evidence as to whether sexual isolation is as strong or stronger than other barriers between closely related sympatric species. Finally, we consider the effect of sexual isolation on long-term species persistence, relative to other reproductive barriers. We highlight challenges to our knowledge of and opportunities to improve upon our understanding of sexual isolation from different phases of the speciation process.

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来源期刊
CiteScore
15.00
自引率
1.40%
发文量
56
审稿时长
3-8 weeks
期刊介绍: Cold Spring Harbor Perspectives in Biology offers a comprehensive platform in the molecular life sciences, featuring reviews that span molecular, cell, and developmental biology, genetics, neuroscience, immunology, cancer biology, and molecular pathology. This online publication provides in-depth insights into various topics, making it a valuable resource for those engaged in diverse aspects of biological research.
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