Characteristic and Metabolic pathways of 2,6-Di-tert-butylphenol degradation by Alcaligenes F-3-4
文献类型： 会议论文
第一作者： Haijuan Ma
作者： Haijuan Ma 1 ; Guangming Li; Yalei Zhang; Zhigang Zhang; Ping Fang;
作者机构： 1.Research Center of Saline Fisheries Technology, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
关键词： 2;6-Di-tert-butylphenol;Alcaligenes bacteria;biodegradation;dioxgenase;intermediate product
会议名称： International Conference on Mechanic Automation and Control Engineering
主办单位：
页码： 2013-2016
摘要： An aerobic bacterial strain Alcaligenes F-3-4 was isolated from an acrylic fiber wastewater. This strain was able to degrade 2,6-di-tert-butylphenol. The bacterium growth and 2,6-DTBP degradation was determined. Result showed, the lag period was extended when increasing the concentration of 2,6-DTBP. At 37°C and at log period, the degrading rate for 100.0 mg/L 2,6-DTBP could reach 86% within 12 d. Metabolic pathways of 2,6-DTBP degradation by Alcaligenes F-3-4 was studied. The results showed that the intermediate products are acetic acid, pyruvic acid, isobutyric acid, and so on. Identified metabolites and catabolic enzymes illustrate that the used bacterial strain attacks the benzene skeleton at the 2,3- position, and it also demethylates 2,6-DTBP. Metabolic pathways of degradation of 2,6-DTBP are proposed.
分类号： TP3
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