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引用本文:桂佳,胡韧,辛艳萍,韩博平,高武熊,雷腊梅.一株来源于水库的浮游蓝丝藻SK3株的生长及产毒特性.湖泊科学,2010,22(3):400-404. DOI:10.18307/2010.0312
GUI Jia,HU Ren,XIN Yanping,HAN Boping,GAO Wuxiong,LEI Lamei.Growth and toxin-producing characteristics of Planktothrix agardhii SK3 from a reservoir. J. Lake Sci.2010,22(3):400-404. DOI:10.18307/2010.0312
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一株来源于水库的浮游蓝丝藻SK3株的生长及产毒特性
桂佳, 胡韧, 辛艳萍, 韩博平, 高武熊, 雷腊梅
暨南大学水生生物研究所, 广州 510632
摘要:
浮游蓝丝藻是水华蓝藻的常见种属,但对其生长和产毒特性认识不多本文首次对我国水体中的浮游蓝丝藻进行了研究.从广东省一重要供水水库中分离到一株丝状蓝藻,经形态特征鉴定为阿氏浮游蓝丝藻,并在不同的光照和温度下对该藻株进行了培养.结果表明,适合于该藻生长的光强和温度分别为20μmol/(m2·s)和30℃;该藻株具有mcyE基因,能产生微囊藻毒素MCRR,产量为0.06μg/mg(DW).
关键词:  浮游蓝丝藻  分离培养  微囊藻毒素  微囊藻毒素合成酶
DOI:10.18307/2010.0312
分类号:
基金项目:“863”项目(2008AA06A413);广东省水利厅中小型水库蓝藻水华研究项目联合资助
Growth and toxin-producing characteristics of Planktothrix agardhii SK3 from a reservoir
GUI Jia, HU Ren, XIN Yanping, HAN Boping, GAO Wuxiong, LEI Lamei
Institute of Hydrobiology, Jinan University, Guangzhou 510632, P. R. China
Abstract:
Plaaktothrix agardhii, a filamentous cyanohacterial species, is one of the major waterbloom-forming cyanobacteria and has been widely founded in lakes and reservoirs. However, its toxin-producing characteristics in the strains was never reported in China. In this paper, a strain Plaaktothrix agardhii SK3 was isolated from a reservoir of Guangdong Province and cultured in a gra-diem of light intensity and water temperature to investigate its growth characteristics. Results showed that 20p,mol/( m2·s) and 30% were optimal for its growth. The SK3 strain had microcystin synthetase gene-mcyE and was able to produce 0.06μg/mg(dry weight) microcystin-RR.
Key words:  Planktothrix agardhii  isolation  microcystin  microcystin synthetase
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