Different responses to high light stress of toxic and non-toxic Microcystis aeruginosa acclimated under two light intensities and zinc concentrations

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成果类型：

期刊论文

作者：

Kui Xu;Zheng-Ke Li;Bao-Sheng Qiu（邱保胜）;Philippe Juneau

通讯作者：

Juneau, Philippe

作者机构：

[Kui Xu; Philippe Juneau] Univ Quebec, Dept Sci Biol, TOXEN, Ecotoxicol Aquat Microorganisms Lab, Montreal, PQ H3C 3P8, Canada.

[Bao-Sheng Qiu; Zheng-Ke Li] Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China.

[Bao-Sheng Qiu; Zheng-Ke Li] Cent China Normal Univ, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430079, Hubei, Peoples R China.

[Philippe Juneau] Univ Quebec, Dept Sci Biol, TOXEN, Ecotoxicol Aquat Microorganisms Lab, Succursale Ctr Ville,CP 8888, Montreal, PQ H3C 3P8, Canada.

通讯机构：

[Juneau, Philippe] U

Univ Quebec, Dept Sci Biol, TOXEN, Ecotoxicol Aquat Microorganisms Lab, Succursale Ctr Ville,CP 8888, Montreal, PQ H3C 3P8, Canada.

语种：

英文

关键词：

Microcystis aeruginosa;high light;photosynthesis;zinc

期刊：

TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY

ISSN：

0277-2248

年：

2013

卷：

期：

页码：

1145-1156

DOI：

10.1080/02772248.2013.849347

基金类别：

Natural Sciences and Engineering Research Council of Canada (NSERC)Natural Sciences and Engineering Research Council of Canada (NSERC); China Scholarship Council (CSC)China Scholarship Council

机构署名：

本校为其他机构

院系归属：

生命科学学院

摘要：

In this study, interaction effects of high light (HL) and zinc on two Microcystis aeruginosa strains (toxic CPCC299 and non-toxic CPCC632) were investigated. Our results suggested that CPCC632 was more sensitive to high zinc (HZn; 7.8 × 10−6 M) concentration than CPCC299 when acclimated to HL (500 μmol photons m−2 s−1). When M. aeruginosa strains were treated 20 min to HL (2000 μmol photons m−2 s−1), the maximal and the operational PSII quantum yields (ΦM and ) of the two strains decreased, but CPCC632 (50 μmol photons m−2 s−1 (low ...

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Different responses to high light stress of toxic and non-toxic Microcystis aeruginosa acclimated under two light intensities and zinc concentrations

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