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Daphnia magna Exudates Impact Physiological and Metabolic Changes in Microcystis aeruginosa ArchiMer
Bojadzija Savic, Gorenka; Edwards, Christine; Briand, Enora; Lawton, Linda; Wiegand, Claudia; Bormans, Myriam.
While the intracellular function of many toxic and bioactive cyanobacterial metabolites is not yet known, microcystins have been suggested to have a protective role in the cyanobacterial metabolism, giving advantage to toxic over nontoxic strains under stress conditions. The zooplankton grazer Daphnia reduce cyanobacterial dominance until a certain density, which may be supported by Daphnia exudates, affecting the cyanobacterial physiological state and metabolites’ production. Therefore, we hypothesized that D. magna spent medium will impact the production of cyanobacterial bioactive metabolites and affect cyanobacterial photosynthetic activity in the nontoxic, but not the toxic strain. Microcystin (MC-LR and des-MC-LR) producing M. aeruginosa PCC7806 and...
Tipo: Text Palavras-chave: Cyanobacteria; Secondary metabolites; PCC7806; Toxic; Mutant; Infochemicals.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00507/61893/65980.pdf
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