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

@article{PawlikSkowroska2019EffectsOS,
  title={Effects of secondary metabolites produced by different cyanobacterial populations on the freshwater zooplankters Brachionus calyciflorus and Daphnia pulex},
  author={Barbara Pawlik-Skowrońska and Magdalena Toporowska and Hanna Mazur-Marzec},
  journal={Environmental Science and Pollution Research International},
  year={2019},
  volume={26},
  pages={11793 - 11804}
}
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… 
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The obtained results indicated that AN-B, microcystins and their mixture exerted time- and concentration-dependent motility disturbances of crustaceans and they can be good candidates for evaluation of toxicity in early warning systems.
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TLDR
The tolerance of Daphnia pulex to cyanotoxins depends on the bloom-forming species and the temperature, and the adverse effect of cyanobacterial extracts was greater from Microcystis than Woronichinia blooms.
Cyanobacteria and their secondary metabolites in three freshwater reservoirs in the United Kingdom
Background Bloom-forming cyanobacteria occur globally in aquatic environments. They produce diverse bioactive metabolites, some of which are known to be toxic. The most studied cyanobacterial toxins…
Blooming cyanobacteria alter water flea reproduction via exudates of estrogen analogues.
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Reproductive interference of zooplankton by blooming cyanobacteria might negatively affect foodwebs because MaE-induced zoopLankton population increase would enhance grazing and reduce abundance of edible algae, thereby adding to the list of known disruptive properties of cyanobacterial blooms.
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