Resistance variation within a Daphnia pulex population against toxic cyanobacteria | Zendy

Xiaodong Jiang | Zendy; Lihua Zhang | Zendy; Huishuang Liang | Zendy; Qingmei Li | Zendy; Yunlong Zhao | Zendy; Liqiao Chen | Zendy; Wei Yang | Zendy; Shiye Zhao | Zendy

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Resistance variation within a Daphnia pulex population against toxic cyanobacteria

Author(s) -

Xiaodong Jiang,

Lihua Zhang,

Huishuang Liang,

Qingmei Li,

Yunlong Zhao,

Liqiao Chen,

Wei Yang,

Shiye Zhao

Publication year - 2013

Publication title -

journal of plankton research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.87

H-Index - 93

eISSN - 1464-3774

pISSN - 0142-7873

DOI - 10.1093/plankt/fbt062

Subject(s) - daphnia pulex , microcystis aeruginosa , biology , pulex , chlorella pyrenoidosa , daphnia , cyanobacteria , clone (java method) , population , microcystis , chlorella , phenotypic plasticity , branchiopoda , resistance (ecology) , ecology , zoology , cladocera , botany , algae , genetics , zooplankton , bacteria , demography , sociology , dna

Thirteen sympatric Daphnia pulex clones differed significantly in fitness when fed Chlorella pyrenoidosa and toxic Microcystis aeruginosa. The least susceptible clone was 12 times less susceptible to M. aeruginosa than the most susceptible clone. The correlations of D. pulex resistance with the slope and the mean of fitness reaction norms imply that both an increase in fitness for two diets and a reduced phenotypic plasticity contributed to the evolution of resistance to M. aeruginosa. © The Author 2013. Published by Oxford University Press. All rights reserved.

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