Origin and evolution of the Drosophila Y chromosome

被引：104

作者：

Carvalho, AB ^{[1
]}

机构：

[1] Fed Univ Rio De Janeiro, Dept Genet, BR-21944970 Rio De Janeiro, Brazil

来源：

CURRENT OPINION IN GENETICS & DEVELOPMENT | 2002年 / 12卷 / 06期

关键词：

D O I：

10.1016/S0959-437X(02)00356-8

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

Three recent findings are making a deep impact on our understanding of the Drosophila Y. First, the sequencing of the Drosophila genome and the development of proper computational methods increased the number of known single-copy Y-linked genes from 1 to 16, and revealed a chromosome packed with genes acquired from the autosomes. Second, this, coupled with the finding that B-chromosomes are able to show very regular segregation from the X chromosome, reinforce the hypothesis that the Drosophila Y is a specialized B-chromosome, instead of a degenerated homologue of the X. Third and finally, Y chromosomes seem to have a strong effect on male fitness.

引用

页码：664 / 668

页数：5

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