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Microbiology. 2011 Mar;157(Pt 3):721-6. doi: 10.1099/mic.0.045393-0. Epub 2010 Dec 16.

Degradation of dichloroaniline isomers by a newly isolated strain, Bacillus megaterium IMT21.

Author information

1
Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Key Laboratory of Monitoring and Management of Crop Diseases and Pest Insects, Ministry of Agriculture, Nanjing 210095, China.

Abstract

An efficient 3,4-dichloroaniline (3,4-DCA)-mineralizing bacterium has been isolated from enrichment cultures originating from a soil sample with a history of repeated exposure to diuron, a major metabolite of which is 3,4-DCA. This bacterium, Bacillus megaterium IMT21, also mineralized 2,3-, 2,4-, 2,5- and 3,5-DCA as sole sources of carbon and energy. These five DCA isomers were degraded via two different routes. 2,3-, 2,4- and 2,5-DCA were degraded via previously unknown dichloroaminophenol metabolites, whereas 3,4- and 3,5-DCA were degraded via dichloroacetanilide.

PMID:
21163842
DOI:
10.1099/mic.0.045393-0
[Indexed for MEDLINE]

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