I am what I eat and I eat what I am:: acquisition of bacterial genes by giant viruses

被引：98
|
作者：
Filee, Jonathan [1 ]
Siguier, Patricia [1 ]
Chandler, Mick [1 ]
机构：
[1] CNRS, Lab Microbiol & Genet Mol, F-31062 Toulouse, France
来源：
TRENDS IN GENETICS | 2007年 / 23卷 / 01期
关键词：
D O I：
10.1016/j.tig.2006.11.002
中图分类号：
Q3 [遗传学];
学科分类号：
071007 ; 090102 ;
摘要：
Giant viruses are nucleocytoplasmic large DNA viruses (NCLDVs) that infect algae (phycodnaviruses) and amoebae (Mimivirus). We report an unexpected abundance in these giant viruses of islands of bacterial-type genes, including apparently intact prokaryotic mobile genetic elements, and hypothesize that NCLDV genomes undergo successive accretions of bacterial genes. The viruses could acquire bacterial genes within their bacteria-feeding eukaryotic hosts, and we suggest that such acquisition is driven by the intimate coupling of recombination and replication in NCLDVs.
引用
收藏
页码：10 / 15
页数：6
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