Why are the genomes of endosymbiotic bacteria so stable?

被引：64

作者：

Silva, FJ

Latorre, A

Moya, A

机构：

[1] Univ Politecn Valencia, Inst Cavanilles Biodiversitat & Biol Evolut, Valencia 46071, Spain

[2] Univ Politecn Valencia, Dept Genet, Valencia 46071, Spain

来源：

TRENDS IN GENETICS | 2003年 / 19卷 / 04期

关键词：

D O I：

10.1016/S0168-9525(03)00041-6

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

The comparative analysis of three strains of the endosymbiotic bacterium Buchnera aphidicola has revealed high genome stability associated with an almost complete absence of chromosomal rearrangements and horizontal gene transfer events during the past 150 million years. The loss of genes involved in DNA uptake and recombination in the initial stages of endosymbiosis probably underlies this stability. Gene loss, which was extensive during the initial steps of Buchnera evolution, has continued in the different Buchnera lineages since their divergence.

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页码：176 / 180

页数：5

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