文献类型： 外文期刊
作者： Song, Jinlong 1 ; Gu, Jingang 2 ; Zhai, Yi 3 ; Wu, Wei 1 ; Wang, Haisheng 1 ; Ruan, Zhiyong 2 ; Shi, Yanhua 1 ; Yan, Yanc 1 ;
作者机构： 1.Chinese Acad Agr Sci, Grad Sch, Beijing 100081, Peoples R China
2.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China
3.Chongqing Acad Agr Sci, Inst Agr Engn, Chongqing 401329, Peoples R China
关键词： Biodegradation;Metabolites;Nicosulfuron;Talaromyces flavus
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）
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收录情况： SCI
摘要： The fungal strain LZM1 was isolated from activated sludge and found to be capable of utilizing nicosulfuron as the sole nitrogen source for growth. Based on morphological and internal transcribed spacer evaluations, LZM1 was identified as a Talaromyces flavus strain. Under optimum conditions (pH 6.1, 29°C), T. flavus LZM1 degraded 100% of the initially added nicosulfuron (100mgL~(-1)) within 5d. T. flavus LZM1 was also found to be highly efficient in degrading tribenuron methyl, chlorsulfuron, bensulfuron methyl, ethametsulfuron methyl, cinosulfuron, and rimsulfuron. Metabolites from nicosulfuron degradation were identified by liquid chromatography mass spectrometry, and a possible degradation pathway was deduced. These results show that T. flavus LZM1 may possess potential to be used in bioremediation of nicosulfuron-contaminated environments.
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