Genomics of sex chromosomes

被引：55

作者：

Ming, Ray ^{[1
]}

Moore, Paul H.

机构：

[1] Univ Illinois, Dept Plant Biol, Urbana, IL 61801 USA

[2] USDA ARS, Pacific Basin Agr Res Ctr, Hilo, HI 96720 USA

来源：

CURRENT OPINION IN PLANT BIOLOGY | 2007年 / 10卷 / 02期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/j.pbi.2007.01.013

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Sex chromosomes in plants and animals are distinctive, not only because of their gender-determining role but also for genomic features that reflect their evolutionary history. The genomic sequences in the ancient sex chromosomes of humans and in the incipient sex chromosomes of medaka, stickleback, papaya, and poplar exhibit unusual features as consequences of their evolution. These include the enormous palindrome structure in human MSY, a duplicated genomic fragment that evolved into a Y chromosome in medaka, and a 700 kb extra telomeric sequence of the W chromosome in poplar. Comparative genomic analysis of ancient and incipient sex chromosomes highlights common features that implicate the selection forces that shaped them, even though evolutionary origin, pace, and fate vary widely among individual sex-determining systems.

引用

页码：123 / 130

页数：8

共 60 条

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