Isolation of a Arthrobacter sp T11 that Degrades Cyanobacterial Hepatotoxin Microcystin from the Sediment of a Shallow Hypertrophic Lake
文献类型： 外文期刊
作者： Qu, Jiangqi 1 ; Zhang, Qingjing 1 ; Zhang, Mo 1 ; Xin, Zhiming 1 ; Li, Hongwei 1 ; Zhang, Nan 1 ;
作者机构： 1.Beijing Fisheries Res Inst, Dept Fisheries Ecol & Environm, Beijing 100068, Peoples R China
关键词： degradation;microcystin;arthrobacter sp.;hypertrophic lake
期刊名称：PROCEEDINGS OF THE 2015 AASRI INTERNATIONAL CONFERENCE ON CIRCUITS AND SYSTEMS (CAS 2015)
ISSN： 2352-538X
年卷期： 2015 年 9 卷
页码：
收录情况： SCI
摘要： In present study, we are intrested in establishing a biological removal method by microorganism against the cyanobacterial hepatotoxin microcystion. A native microcystin-degrading bacterium was isolated from a shallow hypertrophic lake, and the biodegradation effect was detected by the LC-MS method. The 16S rDNA gene sequence analysis result indicated that the isolated strain T11 was belonged to the genus Arthrobacter sp., with a highest sequence similarity (98%) with Arthrobacter sp. C6 strain. LC-MS result showed that the Arthrobacter sp. T11 was able to effectively degrade, at a highest concentration of MC (MC-LR similar to 5 mu g.L-1; MC-RR similar to 20 mu g.L-1) in batch experiments using sterilized lake water conditions, with complete removal observed within 10 days.
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