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题名: Allelopathic effect between Microcystis aeruginosa and three filamentous cyanobacteria
作者: Zhang Ting (tingzh@ihb.ac.cn) ; Song Lirong (lsrong@ihb.ac.cn)
通讯作者: Zhang Ting ; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
刊名: Hupo Kexue
发表日期: 2006
卷: 18, 期:2, 页:150-156
收录类别: 其他
英文摘要: Allelopathy, the release of extracellular compounds that have an effect on the growth of other microorganisms, may be one factor contributing to formation and/or maintenance of cyanobacterial blooms. In this paper, the allelopathic effect between single-cell Microcystis aeruginosa and three filamentous cyanobacteria Aphanizomenon. flos-aquae, Anabaena flos-aquae, Phormidium, mucicola was investigated. The experiment was conducted to find out the allelopathic effects of cell-free filtrate on the growth of different target organisms: 1. the cell-free filtrate of M. aeruginosa on Aphanizomenon flos-aquae, Anabaena flos-aquae and P. mucicola; 2. the cell-free filtrate of Aphanizomenon, flos-aquae, Anabaena flos-aquae and P. mucicola on M. aeruginosa. The results demonstrated that M. aeruginosa could accelerate the growth of Aphanizomenon flos-aquae and Anabaena flos-aquae, and slightly inhibited P. mucicola. On the other hand, the growth of M. aeruginosa was slightly suppressed by Aphanizomenon flos-aquae and Anabaena flos-aquae, but heavily inhibited by P. mucicola. The inhibition by P. mucicola, was enhanced with the increase of concentration of cell-free Filtrate. Furthermore, the allelopathic effect between single-cell M. aeruginosa and three filamentous cyanobacteria Aphanizomenon flos-aquae, Anabaenaflos-aquae, P. mucicola was not influenced by the change of the concentration of inorganic nutrients in cell-free filtrates. It suggests that the inter-species competition existed in cyanobacteria. The present study is implicated in illustrating dynamics of the cyanobacterial bloom.
ISSN号: 1003-5427
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18389
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:
Zhang Ting (tingzh@ihb.ac.cn) ; Song Lirong (lsrong@ihb.ac.cn).Allelopathic effect between Microcystis aeruginosa and three filamentous cyanobacteria,Hupo Kexue,2006,18(2):150-156
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