Synthesis and Scope of the Role of Postmating Prezygotic Isolation in Speciation.

IF 6.9 2区 生物学 Q1 CELL BIOLOGY Cold Spring Harbor perspectives in biology Pub Date : 2024-10-01 DOI:10.1101/cshperspect.a041429
Martin D Garlovsky, Emma Whittington, Tomas Albrecht, Henry Arenas-Castro, Dean M Castillo, Graeme L Keais, Erica L Larson, Leonie C Moyle, Melissa Plakke, Radka Reifová, Rhonda R Snook, Murielle Ålund, Alexandra A-T Weber
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Abstract

How barriers to gene flow arise and are maintained are key questions in evolutionary biology. Speciation research has mainly focused on barriers that occur either before mating or after zygote formation. In comparison, postmating prezygotic (PMPZ) isolation-a barrier that acts after gamete release but before zygote formation-is less frequently investigated but may hold a unique role in generating biodiversity. Here we discuss the distinctive features of PMPZ isolation, including the primary drivers and molecular mechanisms underpinning PMPZ isolation. We then present the first comprehensive survey of PMPZ isolation research, revealing that it is a widespread form of prezygotic isolation across eukaryotes. The survey also exposes obstacles in studying PMPZ isolation, in part attributable to the challenges involved in directly measuring PMPZ isolation and uncovering its causal mechanisms. Finally, we identify outstanding knowledge gaps and provide recommendations for improving future research on PMPZ isolation. This will allow us to better understand the nature of this often-neglected reproductive barrier and its contribution to speciation.

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交配后同种前隔离在物种形成中的作用的综合与范围。
基因流动的障碍如何产生和维持是进化生物学的关键问题。物种分化研究主要关注交配前或合子形成后出现的障碍。相比之下,配子释放后、合子形成前的隔离(PMPZ)--一种在配子释放后、合子形成前发生作用的障碍--较少被研究,但可能在产生生物多样性方面具有独特的作用。在这里,我们将讨论 PMPZ 隔离的显著特征,包括 PMPZ 隔离的主要驱动因素和分子机制。然后,我们将首次全面调查 PMPZ 隔离研究,揭示它是真核生物中一种广泛存在的祖先隔离形式。调查还揭示了研究 PMPZ 隔离的障碍,部分原因是直接测量 PMPZ 隔离和揭示其因果机制所面临的挑战。最后,我们指出了尚未解决的知识空白,并为改进未来的 PMPZ 隔离研究提出了建议。这将使我们能够更好地理解这一经常被忽视的生殖屏障的性质及其对物种分化的贡献。
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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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