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Groundwater contamination with 2,6-dichlorobenzamide (BAM) and perspectives for its microbial removal 总被引:1,自引:0,他引:1
Ellegaard-Jensen Lea Horemans Benjamin Raes Bart Aamand Jens Hansen Lars Hestbjerg 《Applied microbiology and biotechnology》2017,101(13):5235-5245
Applied Microbiology and Biotechnology - The pesticide metabolite 2,6-dichlorobenzamide (BAM) is very persistent in both soil and groundwater and has become one of the most frequently detected... 相似文献
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Lea Ellegaard-Jensen Jens Aamand Birthe B. Kragelund Anders H. Johnsen Søren Rosendahl 《Biodegradation》2013,24(6):765-774
Microbial pesticide degradation studies have until now mainly focused on bacteria, although fungi have also been shown to degrade pesticides. In this study we clarify the background for the ability of the common soil fungus Mortierella to degrade the phenylurea herbicide diuron. Diuron degradation potentials of five Mortierella strains were compared, and the role of carbon and nitrogen for the degradation process was investigated. Results showed that the ability to degrade diuron varied greatly among the Mortierella strains tested, and the strains able to degrade diuron were closely related. Degradation of diuron was fastest in carbon and nitrogen rich media while suboptimal nutrient levels restricted degradation, making it unlikely that Mortierella utilize diuron as carbon or nitrogen sources. Degradation kinetics showed that diuron degradation was followed by formation of the metabolites 1-(3,4-dichlorophenyl)-3-methylurea, 1-(3,4-dichlorophenyl)urea and an hitherto unknown metabolite suggested to be 1-(3,4-dichlorophenyl)-3-methylideneurea. 相似文献
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