自我主义如何影响物种化的步伐和过程?
Lucas Marie-Orleach1,2,3, Sylvain Glémin2,4, Marie K Brandrud5
1Natural History Museum, University of Oslo, 0562 Oslo, Norway lucas.marie-orleach@univ-tours.fr siri.birkeland@nhm.uio.no.
Cold Spring Harbor perspectives in biology
|March 19, 2024
概括
通过增加遗传不相容性,自我或自我授粉可能会加速物种化过程. 然而,目前的证据有限,需要进一步研究交配系统和物种化率.
科学领域:
- 进化生物学是进化的生物学.
- 人口遗传学 人口遗传学
- 规格研究研究 规格研究
背景情况:
- 自传 (自我授粉) 显著影响基因流动和种群遗传学,但其在物种化中的作用仍未得到充分研究.
- 了解交配系统对生殖隔离的影响对于进化研究至关重要.
研究的目的:
- 审查理论研究和实证数据,以了解种类对物种形成过程的影响.
- 评估交配系统如何影响物种化的速度和机制.
主要方法:
- 汇编和综合了最近关于自我和物种化的理论模型.
- 从交叉实验,基因组研究和家族遗传学分析中分析经验数据.
- 审查现有的关于生殖障碍和自我与外交物种的遗传分歧的文献.
主要成果:
- 理论预测表明,自我加速了混合不相容性的积累.
- 经验数据显示,对加速不兼容性的支持有限,并预测了对自我主导下位的偏见.
- 关于selfing对物种发生率的影响的植物遗传学证据稀缺且矛盾,研究表明促进和阻碍.
结论:
- 自我可以通过增加混合不相容性来加速物种化,但经验验证是有限的.
- 需要进一步的研究来澄清自我,人口史,遗传分歧和物种化率之间的关系.
- 未来的研究应该整合生殖障碍,自杀率和遗传差异的测量,以更好地了解自杀在物种化中的作用.
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