Microbial biodegradation and toxicity of vinclozolin and its toxic metabolite 3,5-dichloroaniline

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Title
Microbial biodegradation and toxicity of vinclozolin and its toxic metabolite 3,5-dichloroaniline
Author(s)
J B Lee; H Y Sohn; Kee Sun Shin; J S Kim; M S Jo; C P Jeon; J O Jang; J E Kim; G S Kwon
Bibliographic Citation
Journal of Microbiology and Biotechnology, vol. 18, no. 2, pp. 343-349
Publication Year
2008
Abstract
Vinclozolin, an endocrine disrupting chemical, is a chlorinated fungicide widely used to control fungal diseases. However, its metabolite 3,15-dichloroaniline is more toxic and persistent than the parent vinclozolin. For the biodegradation of vinclozolin, vinclozolin- and/or 3,5-dichloroaniline-degrading bacteria were isolated from pesticide-potluted agriculture soil. Among the isolated bacteria, a Rhodococcus sp. was identified from a 16S rDNA sequence analysis and named Rhodococcus sp. T1-1. The degradation ratios for vinclozolin or 3,5-dichloroaniline in a minimal medium containing vinclozolin (200 μg/ml) or 3,5-dichloroaniline (120 μg/ml) were 90% and 84.1%, respectively. Moreover, Rhodococcus sp. T1-1 also showed an effective capability to biodegrade dichloroaniline isomers on enrichment cultures in which they were contained. Therefore, these results suggest that Rhodococcus sp. T1-1 can bioremediate vinclozolin as well as 3,5-dichloroaniline.
Keyword
3,5-dichloroanilinebiodegradationbioremediationendocrine disruptorsrhodococcus sp.vinclozolin
ISSN
1017-7825
Publisher
South Korea
Type
Article
Appears in Collections:
Division of Biomaterials Research > Industrial Bio-materials Research Center > 1. Journal Articles
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