brevetoxin


bre·ve·tox·in

(brev-ĕ-tok'sin) A structurally unique neurotoxin produced by the "red tide" dinoflagellate Ptychodiscus breve Davis (Gymnodinium breve Davis), a species of algae responsible for large fish kills and mollusk and human food poisoning in the Gulf of Mexico and along the Florida coast. Unlike previously isolated dinoflagellate toxins, such as saxitoxin, which are water-soluble sodium channel blockers, the brevetoxins are lipid-soluble sodium channel activators; used in neurobiologic research.

brevetoxin

(brev′ĕ-tok″sin) [ (Karenia) brevis + toxin] A potent, lipid-soluble, neurotoxic compound produced by marine dinoflagellates, such as Karenia brevis, an organism initially identified in "red tides” in coastal Florida.