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Cited 76 time in webofscience Cited 93 time in scopus
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Organophosphorus Hydrolase (OpdB) of Lactobacillus brevis WCP902 from Kimchi Is Able To Degrade Organophosphorus Pesticides

Authors
Islam, Shah Md. AsrafulMath, Renukaradhya K.Cho, Kye ManLim, Woo JinHong, Su YoungKim, Jong MinYun, Myoung GuenCho, Ji JoongYun, Han Dae
Issue Date
12-May-2010
Publisher
AMER CHEMICAL SOC
Keywords
Kimchi; pesticide-degrading bacterium; Lactobacillus brevis; opdB gene; food safety
Citation
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, v.58, no.9, pp 5380 - 5386
Pages
7
Indexed
SCI
SCIE
SCOPUS
Journal Title
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume
58
Number
9
Start Page
5380
End Page
5386
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/25100
DOI
10.1021/jf903878e
ISSN
0021-8561
1520-5118
Abstract
Lactobacillus brevis WCP902 that is capable of biodegrading chlorpyrifos was isolated from kimchi. The opdB gene cloned from this strain revealed 825 bp, encoding 274 aa, and an enzyme molecular weight of about 27 kDa. OpdB contains the same Gly-X-Ser-X-Gly motif found in most bacterial and eukaryotic esterase, lipase, and serine hydrolases, yet it is a novel member of the GDSVG family of esterolytic enzymes. Its conserved serine residue, Ser82, is significantly involved with enzyme activity that may have application for removing some pesticides. Optimum organophosphorus hydrolase (OpdB) activity appeared at pH 6.0 and 35 degrees C and during degradation of chlorpyrifos, coumaphos, diazinon, methylparathion, and parathion.
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농업생명과학대학 (식품공학부)
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