Highways of gene sharing in prokaryotes

被引：349

作者：

Beiko, RG

Harlow, TJ

Ragan, MA ^{[1
]}

机构：

[1] Univ Queensland, Inst Mol Biosci, Brisbane, Qld 4072, Australia

[2] Univ Queensland, Australian Res Council, Ctr Bioinformat, Brisbane, Qld 4072, Australia

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2005年 / 102卷 / 40期

关键词：

lateral genetic transfer; microbial genomes; molecular phylogeny;

D O I：

10.1073/pnas.0504068102

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：

The extent to which lateral genetic transfer has shaped microbial genomes has major implications for the emergence of community structures. We have performed a rigorous phylogenetic analysis of > 220,000 proteins from genomes of 144 prokaryotes to determine the contribution of gene sharing to current prokaryotic diversity, and to identify "highways" of sharing between lineages. The inferred relationships suggest a pattern of inheritance that is largely vertical, but with notable exceptions among closely related taxa, and among distantly related organisms that live in similar environments.

引用

页码：14332 / 14337

页数：6

共 36 条

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