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Title 

Klebsiella pneumoniae KE-1 degrades endosulfan without formation of the toxic metabolite, endosulfan sulfate

Authors 

Gi Seok KwonJ E KimT K KimH Y SohnS C KohKee Sun ShinD G Kim

Publisher 

Wiley-Blackwell

Issue Date 

2002

Citation 

FEMS Microbiology Letters, vol. 215, no. 2, pp. 255-259

Keywords 

16S rDNA sequencingbioremediation of endosulfanklebsiella pneumoniae KE-1non-oxidative pathwayendosulfanklebsiella pneumoniaeRNA, ribosomal, 16Ssulfates

Abstract 

For bioremediation of toxic endosulfan, endosulfan degradation bacteria, which do not form toxic endosulfan sulfate, were isolated from various soil samples using endosulfan as sole carbon and energy source. Among the 40 isolated bacteria, strain KE-1, which was identified as Klebsiella pneumoniae by physiological and 16S rDNA sequence analysis, showed superior endosulfan degradation activity. Analysis of culture pH, growth, free sulfate and endosulfan and its metabolites demonstrated that KE-1 biologically degrades 8.72 μg endosulfan ml-1 day-1 when incubated with 93.9 μg ml-1 endosulfan for 10 days without formation of toxic endosulfan sulfate. Our results suggest that K. pneumoniae KE-1 degraded endosulfan by a non-oxidative pathway and that strain KE-1 has potential as a biocatalyst for endosulfan bioremediation.

ISSN 

0378-1097

Link 

http://dx.doi.org/10.1016/S0378-1097(02)00954-0

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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