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Full-Text Articles in Ecology and Evolutionary Biology
Hemolytic Activity In The Euryhaline Fish-Killing Phytoflagellate Prymnesium Parvum Under Environmental Stresses, Christine Dulal-Whiteway
Hemolytic Activity In The Euryhaline Fish-Killing Phytoflagellate Prymnesium Parvum Under Environmental Stresses, Christine Dulal-Whiteway
Electronic Thesis and Dissertation Repository
Harmful algal blooms (HABs) are vast expanses of noxious or toxic phytoplankton that periodically dominate coastal ocean waters or freshwater systems. An especially damaging type of HAB are the species that kill fish. In this thesis, a potentially invasive marine fish-killing flagellate, Prymnesium parvum, was investigated for its tolerance to freshwater conditions. This species has invaded some freshwater systems in the southern United States. The thesis examines if the growth rate and toxicity of Prymnesium parvum remain high under low salinities similar to freshwater systems. A hemolytic lysis assay was used as a proxy for toxicity. The findings presented …