Evolutionary genomics: A dinosaur's view of genome-size evolution

被引：6

作者：

Ellegren, Hans ^{[1
]}

机构：

[1] Uppsala Univ, Evolutionary Biol Ctr, Dept Evolutionary Biol, SE-75236 Uppsala, Sweden

来源：

CURRENT BIOLOGY | 2007年 / 17卷 / 12期

关键词：

D O I：

10.1016/j.cub.2007.04.023

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Estimates of cell volume in fossilized bones of extinct dinosaurs indicate that genome size underwent a significant reduction in the early theropods, from which birds later evolved. This suggests that birds' small genomes are not an adaptation to metabolic demands associated with flight.

引用

页码：R470 / R472

页数：3

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