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Title 

Isolation of a soil bacterium capable of biodegradation and detoxification of endosulfan and endosulfan sulfate

Authors 

J B LeeH Y SohnKee Sun ShinM S JoJ E KimS W LeeJ W ShinE J KumG S Kwon

Publisher 

American Chemical Society

Issue Date 

2006

Citation 

Journal of Agricultural and Food Chemistry, vol. 54, no. 23, pp. 8824-8828

Keywords 

biodegradationcyclodienesdetoxificationendosulfanendosulfan sulfatepseudomonas sp.isolation and purificationmetabolismpseudomonasbiodegradation, environmental

Abstract 

Endosulfan, an endocrine disrupting chemical, is a widely used cyclodiene organochlorine pesticide worldwide, and it blocks neuronal GABA A-gated chloride channels in mammals and aquatic organisms. Endosulfan and its metabolites, such as endosulfan sulfate, are persistent in environments and are considered as toxic chemicals. For bioremediation of endosulfan, in this study, an attempt was made to isolate an endosulfan and endosulfan sulfate degrading bacterium from endosulfan-polluted agricultural soil. Through repetitive enrichment and successive subculture using endosulfan or endosulfan sulfate as the sole carbon source, a bacterium KS-2P was isolated. The KS-2P was identified as Pseudomonas sp. on the basis of the results of a 16S rDNA sequencing analysis and MIDI test. The degradation ratios for endosulfan or endosulfan sulfate in minimal medium containing endosulfan (23.5 μg mL-1) or endosulfan sulfate (21 μg mL-1) were 52% and 71%, respectively. Our results suggest that Pseudomonas sp. KS-2P has potential as a biocatalyst for endosulfan bioremediation.

ISSN 

0021-8561

Link 

http://dx.doi.org/10.1021/jf061276e

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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