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

页码：10 / 15

页数：6

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