The phylogeny of closely related species as revealed by the genealogy of a speciation gene, Odysseus

被引：167

作者：

Ting, CT ^{[1
]}

Tsaur, SC ^{[1
]}

Wu, CI ^{[1
]}

机构：

[1] Univ Chicago, Dept Ecol & Evolut, Chicago, IL 60637 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2000年 / 97卷 / 10期

关键词：

D O I：

10.1073/pnas.090541597

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Molecular differentiation between races or closely related species is often incongruent with the reproductive divergence of the taxa of interest. Shared ancient polymorphism and/or introgression during secondary contact may be responsible for the incongruence. At loci contributing to speciation, these two complications should be minimized (1, 2); hence, their Variation may more faithfully reflect the history of the species' reproductive differentiation. In this study, we analyzed DNA polymorphism at the Odysseus (OdsH) locus of hybrid sterility between Drosophila mauritiana and Drosophila simulans and were able to verify such a prediction. Interestingly, DNA variation only a short distance away (1.8 kb) appears not to be influenced by the forces that shape the recent evolution of the OdsH coding region. This locus thus may represent a test case of inferring phylogeny of Very closely related species.

引用

页码：5313 / 5316

页数：4

共 27 条

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