环糊精包合叶绿酸铜对蓝藻集胞藻的抑杀作用

Journal of Ecology and Rural Environment ›› 2010, Vol. 26 ›› Issue (6): 568-573.doi:

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Inhibiting Effect of β-Cyclodextrin-Chathrated Copper Chlorophyllin on Cyanobacteria,Synechocystis sp. PCC6803

PAN Cheng;LI Jian-hong;LI Shan-shan;ZHAO Jie;REN Yong;ZHANG Lie-feng

College of Life Sciences,Nanjing Normal University

Received:2010-04-12 Online:2010-11-25 Published:2011-04-11
Contact: LI Jian-hong E-mail:lijianhong@njnu.edu.cn

Abstract

Abstract: To search for a new type of algicide,low in toxicity but high in effect,inhibiting effects of β-cycloamylose-chathrated copper(β-CD) chlorophyllin and β-CD ammonium copper chlorophyllin on Synechocystis sp.PCC6803 were investigated.Results show that β-CD copper chlorophyllin and β-CD ammonium copper chlorophyllin were more effective in inhibiting Synechocystis than CuSO4,completely inhibiting growth of the alga when their Cu2+ concentration was 2.5 and 1.5 μmol·L-1,separately.They could decrease the intensity of chlorophyll fluorescence and the activity of nitrate reductase of the alga,but induce the activities of its phosphatase and anti-oxidation system and improve its membrane permeability(P<0.05).It is presumed that the toxic mechanism of the β-CD copper chlorophyllin and β-CD ammonium copper chlorophyllin inhibiting Synechocystis was similar to that of inorganic copper ion.

Key words: chlorophyllin, copper, Synechocystis sp.PCC6803, algicide, β-cycloamylose

PAN Cheng;LI Jian-hong;LI Shan-shan;ZHAO Jie;REN Yong;ZHANG Lie-feng. Inhibiting Effect of β-Cyclodextrin-Chathrated Copper Chlorophyllin on Cyanobacteria,Synechocystis sp. PCC6803[J]. Journal of Ecology and Rural Environment, 2010, 26(6): 568-573.

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Inhibiting Effect of β-Cyclodextrin-Chathrated Copper Chlorophyllin on Cyanobacteria,Synechocystis sp. PCC6803

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