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The role of multiple reproductive barriers: strong post-pollination interactions govern cytotype isolation in a tetraploid–octoploid contact zone

机译：多重生殖屏障的作用：强授粉后相互作用在四倍体 - 八倍增接触区中控制细胞型分离

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Polyploidy is an important contributor to sympatric speciation and assortative mating is a key mechanism driving cytotype interactions in contact zones. While strong reproductive barriers can mediate the coexistence of different cytotypes in sympatry, positive frequency-dependent mating disadvantage ultimately drives the transition to single-ploidy populations. However, comprehensive estimates of reproductive isolation among cytotypes and across multiple barriers are rare. We quantify the strength of isolation across multiple reproductive stages in a tetraploid–octoploid contact zone to understand the potential for coexistence.

机译：多倍体是对称物种的重要贡献者，并且各种交配是驱动接触区中细胞型相互作用的关键机制。虽然强大的生殖障碍可以在Sympatry中介导不同细胞型的共存，但正频依赖的交配缺点最终将过渡到单倍倍性群体。然而，细胞型和多个障碍之间的生殖分离的综合估计是罕见的。我们在四倍体 - 八倍增型接触区中量化多重生殖阶段的分离强度，以了解共存的潜力。

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期刊名称 Annals of Botany
作者
Mariana Castro; João Loureiro; Brian C Husband; Sílvia Castro;
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作者单位

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年(卷),期 2020(126),6
年度 2020
页码 991–1003
总页数 13
原文格式 PDF
正文语种
中图分类
关键词
Contact zone; cytotypes; gametic barriers;

机译：联系区;细胞型;游戏障碍;

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1. Microsatellite evidence for low genetic diversity and reproductive isolation in tetraploid Centaurea seridis (Asteraceae) coexisting with diploid Centaurea aspera and triploid hybrids in contact zones [J] . Ferriol M, Merle H, Garmendia A Botanical Journal of the Linnean Society . 2014,第1期

机译：微卫星证据表明在接触区中与四倍体Centaurea aspera和三倍体杂种并存的四倍体Centaurea seridis（Asteraceae）遗传多样性低和生殖分离
2. Anthropogenic disturbance as a driver of microspatial and microhabitat segregation of cytotypes of Centaurea stoebe and cytotype interactions in secondary contact zones. [J] . Mraz P, Spaniel S, Keller A, Annals of Botany . 2012,第3期

机译：人为干扰是导致矢车菊细胞型微空间和微栖息地分离以及次级接触区中细胞型相互作用的驱动力。
3. Anthropogenic disturbance as a driver of microspatial and microhabitat segregation of cytotypes of Centaurea stoebe and cytotype interactions in secondary contact zones [J] . Patrik Mráz1* Stanislav Španiel2 Andreas Keller1 Gillianne Bowmann1 Alexandre Farkas1 Barbora Šingliarová2 Rudolf P. Rohr1 Olivier Broennimann3 and Heinz Müller-Schärer1 Annals of Botany . 2012,第3期

机译：人为干扰是半人马粪单胞菌细胞类型和次级接触区中细胞类型相互作用的微空间和微栖息地分离的驱动力
4. Anthropogenic disturbance as a driver of microspatial and microhabitat segregation of cytotypes of Centaurea stoebe and cytotype interactions in secondary contact zones [O] . Patrik Mráz, Stanislav Španiel, Andreas Keller, 2012

机译：人为干扰是半人马粪单胞菌细胞类型和次级接触区中细胞类型相互作用的微空间和微栖息地分离的驱动力
5. Why is reproductive isolation between intraspecific cytotypes so important? A commentary on: ‘Strong post-pollination interactions govern cytotype isolation in a tetraploid–octoploid contact zone’ [O] . Martin Čertner 2020

机译：为什么有型鞘内型之间的生殖隔离如此重要？评注：'强授粉后相互作用在四倍体 - 八倍增胶质接触区中控制细胞型分离'

The role of multiple reproductive barriers: strong post-pollination interactions govern cytotype isolation in a tetraploid–octoploid contact zone

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