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Prymnesium parvum is a type of alga from the haptophyte lineage of eukaryotes. It is commonly known for its harmful algal blooms that result in significant ecological and economic impacts. These blooms can be characterized by the release of toxins which primarily affect fisheries, in addition to aquatic ecosystems, water quality, and recreational activities. Effective monitoring and management strategies for controlling these algae require a comprehensive understanding of toxin production among different strains of P. parvum. In this study, we aimed to investigate the variation in toxin production among different strains of P. parvum by quantifying toxin levels through pigment fluorescence measurements. A diverse collection of P. parvum strains, obtained from various locations and ecological conditions, were utilized. Toxicity assays were conducted, where sensitive organisms (Cryptophytes) were exposed to strains of P. parvum. Through this examination of multiple P. parvum strains, we aim to identify the extent of variation among them. We anticipate significant differences in toxicity levels among P. parvum strains, indicating the presence of strain-specific characteristics that may modulate the production of toxins. These findings shed light on the variation in toxin production within P. parvum strains and contribute to the development of new areas of research to capture the full spectrum of factors that may influence toxin production in this species. Furthermore, these insights could aid in the development of monitoring and management strategies for combating harmful algal blooms caused by P. parvum.

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Purdue University / 2023

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