Separate and combined effects of neurotoxic and lytic compounds of Alexandrium strains on Mytilus edulis feeding activity and hemocyte function

Publication date: Available online 11 October 2018Source: Fish & Shellfish ImmunologyAuthor(s): Virginia Angélica Bianchi, Hendrick Langeloh, Urban Tillmann, Bernd Krock, Annegret Müller, Ulf Bickmeyer, Doris AbeleAbstractMultiple toxic and bioactive compounds produced by Alexandrium spp. cause adverse effects on bivalves, but these effects are frequently difficult to attribute to a single compound class. To disentangle the effect of neurotoxic vs lytic secondary metabolites, we exposed blue mussels to either a paralytic shellfish toxin (PST) producing Alexandrium spp. strain, or to an exclusively lytic compound (LC) producing strain, or a strain containing both compound classes, to evaluate the time dependent effects after 3 and 7 days of feeding. Tested parameters comprised signs of pa...

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