Effects of secondary metabolites produced by different cyanobacterial populations on the freshwater zooplankters Brachionus calyciflorus and Daphnia pulex

Environmental Science and Pollution Research International
Barbara Pawlik-SkowrońskaHanna Mazur-Marzec

Abstract

Cyanobacterial blooms in eutrophic water bodies are a worldwide problem. Combined effects of mixtures of secondary metabolites produced by different cyanobacterial species on aquatic fauna are still not well recognised. We compared the survivorship of Brachionus calyciflorus Pallas (Rotifera) and Daphnia pulex Leyding (Cladocera) exposed to pure microcystin LR (MC-LR), anatoxin-a (ANTX) and to five extracts obtained from bloom-forming cyanobacteria Microcystis, Planktothrix and Dolichospermum. The obtained results revealed different response of the organisms to high concentrations of pure MC-LR, ANTX and complex cyanobacterial extracts. The extracts' toxicity to invertebrates was higher than that exerted by pure cyanotoxins and was dependent on the composition of cyanobacterial metabolites: Microcystis spp. extract containing anabaenopeptins A and B, aeruginosamide, four variants of cyanopeptolins and five MCs was not toxic to either of the organisms, whereas Planktothrix agardhii extract (I), containing anabaenopeptins A, B, F, 915, oscillamide Y, five different aeruginosins and four variants of MC was more toxic to daphnids than to rotifers. The extracts of another P. agarhdii (II) biomass and two different biomass samples of...Continue Reading

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Citations

Oct 30, 2020·Environmental Science and Pollution Research International·Minghao LiYu Li
Apr 30, 2021·Toxicon : Official Journal of the International Society on Toxinology·Barbara Pawlik-Skowrońska, Adam Bownik
May 2, 2021·Environmental Science and Pollution Research International·Dajana BlagojevićJelica Simeunović
Aug 27, 2021·Toxins·Patrick Romano MonteiroAgenor Valadares Santos

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