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学科主题: Plant Sciences; Marine & Freshwater Biology
题名: First report of the cyanotoxins cylindrospermopsin and deoxycylindrospermopsin from Raphidiopsis curvata (Cyantobacteria)
作者: Li, RH ; Carmichael, WW ; Brittain, S ; Eaglesham, GK ; Shaw, GR ; Liu, YD ; Watanabe, MM
通讯作者: Carmichael, WW, Wright State Univ, Dept Biol Sci, Dayton, OH 45435 USA
关键词: China ; cyanotoxin ; cylindrospermopsin (CYN) ; deoxycylindrospermopsin (deoxy-CYN) ; cyanobacteria ; Raphdiopsis curvata
刊名: JOURNAL OF PHYCOLOGY
发表日期: 2001
卷: 37, 期:6, 页:1121-1126
收录类别: SCI
部门归属: Wright State Univ, Dept Biol Sci, Dayton, OH 45435 USA; Queensland Hlth Sci Serv, Coopers Plains, Qld 4108, Australia; Natl Res Ctr Environm Toxicol, Coopers Plains, Qld 4108, Australia; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Natl Inst Environm Studies, Tsukuba, Ibaraki 3050053, Japan
摘要: A strain of Raphidiopsis (Cyanobacteria) isolated from a fish pond in Wuhan, P. R. China was examined for its taxonomy and production of the alkaloidal hepatotoxins cylindrospermopsin (CYN) and deoxy-cylindrospermopsin (deoxy-CYN). Strain HB1 was identified as R. curvata Fritsch et Rich based on morphological examination of the laboratory culture. HB1 produced mainly deoxy-CYN at a concentration of 1.3 mg(.)g(-1) (dry ut cells) by HPLC and HPLC-MS/MS. CYN was also detected in trace amounts (0.56 mug(.)g(-1)). A mouse bioassay did not show lethal toxicity when tested at doses up to 1500 mg dry weight cells(.)kg(-1) body weight within 96 h, demonstrating that production of primarily deoxy CYN does not lead to significant mouse toxicity by strain BB I. The presence of deoxy-CYN and CYN in R curvata suggests that Raphidiopsis belongs to the Nostocaceae, but this requires confirmation by molecular systematic studies. Production of these cyanotoxins by Raphidiopsis adds another genus, in addition to Cylindrospemopsis, Aphanizomenon, and Umezakia, now known to produce this group of hepatotoxic cyanotoxins. This is also the first report from China of a CYN and deoxy-CYN producing cyanobacterium.
WOS记录号: WOS:000173029500023
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9898
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
Li, RH; Carmichael, WW; Brittain, S; Eaglesham, GK; Shaw, GR; Liu, YD; Watanabe, MM.First report of the cyanotoxins cylindrospermopsin and deoxycylindrospermopsin from Raphidiopsis curvata (Cyantobacteria),JOURNAL OF PHYCOLOGY,2001,37(6):1121-1126
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