Facilitation of Bacterial Adaptation to Chlorothalonil-Contaminated Sites by Horizontal Transfer of the Chlorothalonil Hydrolytic Dehalogenase Gene

被引：29

作者：

Liang, Bin ^{[1
]}

Wang, Guangli ^{[1
]}

Zhao, Yanfu ^{[1
]}

Chen, Kai ^{[1
]}

Li, Shunpeng ^{[1
]}

Jiang, Jiandong ^{[1
]}

机构：

[1] Nanjing Agr Univ, Coll Life Sci, Dept Microbiol, Key Lab Microbiol Engn Agr Environm,Minist Agr, Nanjing 210095, Jiangsu, Peoples R China

来源：

APPLIED AND ENVIRONMENTAL MICROBIOLOGY | 2011年 / 77卷 / 12期

关键词：

REDUCTIVE DEHALOGENASE; SOIL; EVOLUTION; ELEMENTS; TRANSPOSON; STRAINS;

D O I：

10.1128/AEM.02457-10

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Horizontal transfer of the chlorothalonil hydrolytic dehalogenase gene (chd) is proposed based on the high conservation of the chd gene and its close association with a novel insertion sequence, ISOcsp1, in 16 isolated chlorothalonil-dechlorinating strains belonging to eight different genera. The ecological role of horizontal gene transfer is assumed to facilitate bacterial adaptation to chlorothalonil-contaminated sites, through detoxification of chlorothalonil to less toxic 2,4,5-trichloro-6-hydroxybenzene-1,3-dicarbonitrile.

引用

页码：4268 / 4272

页数：5

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