Paper Title:

Bacterial Degradation of Chlorpyrifos by Bacillus cereus

Periodical Advanced Materials Research (Volumes 356 - 360)
Main Theme Progress in Environmental Science and Engineering
Chapter Chapter 3: Environmental Safety and Health
Edited by Hexing Li, Qunjie Xu and Daquan Zhang
Pages 676-680
DOI 10.4028/
Citation Zhi Yuan Liu et al., 2011, Advanced Materials Research, 356-360, 676
Online since October 2011
Authors Zhi Yuan Liu, Xin Chen, Yi Shi, Zhen Cheng Su
Keywords Bioremediation, Chlorpyrifos, Organophosphorus Pesticides
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Eleven chlorpyrifos-degrading bacterium were isolated from a Chinese soil and compared by microbiological and molecular methods. The strains were significantly different in the ability of degradation efficiency, and one strain (Bacillus cereus) was selected for further analysis. The ability of Bacillus cereus to degrade chlorpyrifos was investigated under different culture conditions, such as pH, temperature, chlorpyrifos concentration and so on. Experimental results obtained in different conditions show that the optimum temperature, pH, concentration of chlorpyrifos were 30°C, 7.0, less than 100 mg L-1, respectively.