Characterization of a strain of Sphingobacterium sp. and its degradation to herbicide mefenacet  被引量:9

Characterization of a strain of Sphingobacterium sp. and its degradation to herbicide mefenacet

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作  者:YEYang-fang MINHang DUYu-feng 

机构地区:[1]CollegeofLifeScience,ZhejiangUniversity,Hangzhou310029,China. [2]EnvironmentProtection&DetectionCenterStationofNingbo,Ningbo315010,China

出  处:《Journal of Environmental Sciences》2004年第2期343-347,共5页环境科学学报(英文版)

基  金:The 863High TechProgramofChina(No .2 0 0 2A2 1 0 4 1 0 1 )

摘  要:A bacterium(designated strain Y1) degrading acetanilide herbicide mefenacet was isolated from aerobic sludge. Based on the analyses of partial 16S rRNA gene, cellular fatty acid and BIOLOG-GN, and general physiological and biochemical characteristics, strain Y1 was identified as Sphingobacterium multivolum. Strain Y1 was able to degrade mefenacet used as sources of carbon and energy. Degradation of mefenacet was accompanied by producing the metabolites N-methylaniline and an unidentified compound with molecular weight 205, indicating a metabolic pathway of mefenacet initiated by hydrolysis of amido bond.A bacterium(designated strain Y1) degrading acetanilide herbicide mefenacet was isolated from aerobic sludge. Based on the analyses of partial 16S rRNA gene, cellular fatty acid and BIOLOG-GN, and general physiological and biochemical characteristics, strain Y1 was identified as Sphingobacterium multivolum. Strain Y1 was able to degrade mefenacet used as sources of carbon and energy. Degradation of mefenacet was accompanied by producing the metabolites N-methylaniline and an unidentified compound with molecular weight 205, indicating a metabolic pathway of mefenacet initiated by hydrolysis of amido bond.

关 键 词:HERBICIDE MEFENACET Sphingobacterium BIODEGRADATION 

分 类 号:X172[环境科学与工程—环境科学] X592

 

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