Characterization of Chlorimuron-ethyl Herbicide Degrading Bacteria Isolated from Paddy Soil
文献类型： 外文期刊
作者： Yin, Lebin 2 ; Zhao, Liangzhong 1 ; Liu, Yong 3 ; Zhang, Deyong 3 ; Zhang, Songbai 3 ; Xiao, Kai 1 ;
作者机构： 1.Shaoyang Univ, Dept Biol & Chem Engn, Shaoyang 422000, Hunan, Peoples R China
2.Shaoyang Univ, Soybean Proc Tech Applicat & Basic Res Base, Shaoyang 422000, Hunan, Peoples R China
3.Hunan Plant Protect Inst, Changsha 410125, Hunan, Peoples R China
关键词： Rhodopseudomonas palustris;chlorimuron-ethyl;degrading
期刊名称：ENVIRONMENTAL ENGINEERING, PTS 1-4
ISSN： 1022-6680
年卷期： 2014 年 864-867 卷
页码：
收录情况： SCI
摘要： A bacterial strain S5-1 capable of degrading chlorimuron-ethyl was isolated from paddy soil using enrichment technique. On the basis of traditional culture characteristics, colony and cell morphology, physiological and biochemical characteristics, type of internal photosynthetic membrane and combined with 16S rRNA gene sequence analysis, the strain was identified as a Rhodopseudomonas sp.. The optimal temperature and pH for biodegradation of chlorimuron-ethyl by Rhodopseudomonas sp. strain S5-1 were 35 degrees C and pH 7.0, and the degradation rate reached 87.8% within 10 days under the optimal conditions. The results revealed that strain S5-1 could degrade chlorimuron-ethyl efficiently and for further study it could potentially be used as a biological agent for the remediation of soil, water or crops, contaminated by chlorimuron-ethyl herbicide.
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