Tese de mestrado. Biologia (Biologia Molecular e Genética). Universidade de Lisboa, Faculdade de Ciências, 2013; Gymnodinium catenatum is a toxic bloom forming dinoflagellate, which has been linked to paralytic shellfish poisoning (PSP) outbreaks in humans. Along the Portuguese coast (NE Atlantic), G. catenatum is ubiquitous but shows a complex bloom pattern, raising questions about the origin and affinities of...