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学科主题: Engineering ; Environmental; Environmental Sciences
题名: Effects of nitrogen forms on the production of cyanobacterial toxin microcystin-LR by an isolated Microcystis aeruginosa
作者: Hai Yan ; Gang Pan ; Hua Zou ; Lirong Song & Mingming Zhang
通讯作者: Pan, G, Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Environm Aquat Chem, POB 2871, Beijing 100085, Peoples R China
关键词: microcystin-LR ; Microcystis aeruginosa DC-1 ; nitrogen ; iron ; silicon
刊名: JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING
发表日期: 2004
卷: 39, 期:11-12, 页:2993-3003
收录类别: SCI
部门归属: Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China; Qingdao Univ Sci & Technol, Qingdao, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
摘要: A cyanobacterial strain, which produced high content of microcystin-LR (MC-LR) but no rnicrocystin-RR (MC-RR), was isolated from the hypertrophic Dianchi Lake in China and identified as Microcystis aeruginosa DC-1. Effects of nitrogen containing chemicals and trace elements on the growth and the production of MC-LR by this strain were Studied. In the presence of bicine, compared with urea and ammonium, nitrate greatly promoted the growth and the production of MC-LR. However, leucine and arginine, which were the constitutional components in the molecular structure of MC-LR or RR, inhibited the production of MC-LR. Iron and silicon up to 10mg/L had little effects on the growth of M. aeruginosa DC-1, but the production of MC-LR was apparently enhanced. Under all conditions studied here, only MC-LR but no RR was detected within the cells of M. aeruginosa DC-1. Thus, chemical forms of nitrogen, rather than the usually concerned the total nitrogen, Lind trace elements played important roles in the production of MC toxins during cyanobacterial blooms.
语种: 英语
WOS记录号: WOS:000224739600018
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9392
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Hai Yan; Gang Pan; Hua Zou; Lirong Song & Mingming Zhang.Effects of nitrogen forms on the production of cyanobacterial toxin microcystin-LR by an isolated Microcystis aeruginosa,JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING,2004,39(11-12):2993-3003
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