Sex-ratio segregation distortion associated with reproductive isolation in Drosophila

被引：142

作者：

Tao, Y ^{[1
]}

Hartl, DL

Laurie, CC

机构：

[1] Harvard Univ, Dept Organism & Evolutionary Biol, Cambridge, MA 02138 USA

[2] Duke Univ, Dept Dev Cell & Mol Biol, Durham, NC 27708 USA

[3] Duke Univ, Dept Zool, Durham, NC 27708 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2001年 / 98卷 / 23期

关键词：

D O I：

10.1073/pnas.231478798

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：

Sex-ratio distortion is the most common form of non-Mendelian segregation observed in natural populations. It may occur even more frequently than direct observations suggest, because the dysgenic population consequences of a biased sex ratio are expected to result in the rapid evolution of suppressors, resulting in suppressed or "cryptic" segregation distortion. Here we report evidence for cryptic sex-ratio distortion that was discovered by introgressing segments of the genome of Drosophila mauritiana into the genome of Drosophila simulans. The autosomal suppressor of sex-ratio distortion, which is also associated with a reduction in hybrid male fertility, has been genetically localized to a region smaller than 80-kb pairs in chromosome 3.

引用

页码：13183 / 13188

页数：6

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