Bacterial endosymbionts in animals

被引：199
|
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
收藏
页码：270 / 275
页数：6
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