Bacterial endosymbionts in animals

被引：200

作者：

Moran, NA ^{[1
]}

Baumann, P

机构：

[1] Univ Arizona, Dept Ecol & Evolutionary Biol, Tucson, AZ 85721 USA

[2] Univ Calif Davis, Microbiol Sect, Davis, CA 95616 USA

来源：

CURRENT OPINION IN MICROBIOLOGY | 2000年 / 3卷 / 03期

关键词：

D O I：

10.1016/S1369-5274(00)00088-6

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Molecular phylogenetic studies reveal that many endosymbioses between bacteria and invertebrate hosts result from ancient infections followed by strict vertical transmission within host lineages, Endosymbionts display a distinctive constellation of genetic properties including AT-biased base composition, accelerated sequence evolution, and, at least sometimes, small genome size; these features suggest increased genetic drift. Molecular genetic characterization also has revealed adaptive, host-beneficial traits such as amplification of genes underlying nutrient provision.

引用

页码：270 / 275

页数：6

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