Microbial dehalorespiration with 1,1,1-trichloroethane

被引：90

作者：

Sun, BL

Griffin, BM

Ayala-del-Río, HL

Hashsham, SA

Tiedje, JM ^{[1
]}

机构：

[1] Michigan State Univ, Ctr Microbial Ecol, E Lansing, MI 48824 USA

[2] Michigan State Univ, Dept Microbiol & Mol Genet, E Lansing, MI 48824 USA

[3] Michigan State Univ, Dept Civil & Environm Engn, E Lansing, MI 48824 USA

来源：

SCIENCE | 2002年 / 298卷 / 5595期

关键词：

D O I：

10.1126/science.1074675

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

1,1,1-Trichloroethane (TCA) is a ubiquitous environmental pollutant because of its widespread use as an industrial solvent, its improper disposal, and its substantial emission to the atmosphere. We report the isolation of an anaerobic bacterium, strain TCA1, that reductively dechlorinates TCA to 1,1-dichloroethane and chloroethane. Strain TCA1 required H 2 as an electron donor and TCA as an electron acceptor for growth, indicating that dechlorination is a respiratory process. Phylogenetic analysis indicated that strain TCA1 is related to gram-positive bacteria with low DNA G + C content and that its closest relative is Dehalobacter restrictus, an obligate H-2-oxidizing, chloroethene-respiring bacterium.

引用

页码：1023 / 1025

页数：4

共 27 条

[1] Biotransformation of mixtures of chlorinated aliphatic hydrocarbons by an acetate-grown methanogenic enrichment culture [J].