2016年佛罗里达州圣露西河口铜绿微囊藻水华的毒素成分
Toxin composition of the 2016 Microcystis aeruginosa bloom in the St. Lucie Estuary, Florida.
作者信息
Oehrle Stuart, Rodriguez-Matos Marliette, Cartamil Michael, Zavala Cristian, Rein Kathleen S
机构信息
Waters Field Lab, Department of Chemistry, Northern Kentucky University, Highland Heights, KY 41099, United States.
Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, United States.
出版信息
Toxicon. 2017 Nov;138:169-172. doi: 10.1016/j.toxicon.2017.09.005. Epub 2017 Sep 9.
A bloom of the cyanobacteria, Microcystis aeruginosa occurred in the St. Lucie Estuary during the summer of 2016, stimulated by the release of waters from Lake Okeechobee. This cyanobacterium produces the microcystins, a suite of heptapeptide hepatotoxins. The toxin composition of the bloom was analyzed and was compared to an archived bloom sample from 2005. Microcystin-LR was the most abundant toxin with lesser amounts of microcystin variants. Nodularin, cylindrospermopsin and anatoxin-a were not detected.
2016年夏季，受奥基乔比湖排水的刺激，圣卢西河口出现了铜绿微囊藻水华。这种蓝藻会产生微囊藻毒素，这是一组七肽肝毒素。对此次水华的毒素成分进行了分析，并与2005年存档的水华样本进行了比较。微囊藻毒素-LR是含量最高的毒素，微囊藻毒素变体的含量较少。未检测到节球藻毒素、柱孢藻毒素和anatoxin-a。
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