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Biotechnol Lett. 2012 May;34(5):863-7. doi: 10.1007/s10529-011-0837-8. Epub 2012 Apr 3.

Transformation of malathion by Lysinibacillus sp. isolated from soil.

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1
Department of Biotechnology, Panjab University, Chandigarh, 160014, India.

Abstract

An axenic bacterial strain, Lysinibacillus sp. KB1, was isolated from malathion-contaminated soil. It tolerated malathion up to 0.15 % and, under aerobic conditions, utilized it as sole carbon source. 20 % malathion and 47 % malaoxon were degraded out of the initially provided malathion. Two metabolites, mal-monocarboxylic acid and mal-dicarboxylic acid, were detected within 7 days at 30 °C. Esterase activity of the strain was 240 ± 2.5 U/ml after 7 days of growth. Sterilized soil mixed with malathion showed rapid degradation of malathion when inoculated with strain KB1 as compared to the uninoculated soil.

PMID:
22476547
DOI:
10.1007/s10529-011-0837-8
[Indexed for MEDLINE]
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