Saxitoxin
Saxitoxin (UK: Saxitoxin, STX) is a type of paralytic poison caused by toxic dinoflagellates that form the red tide of the genus Alexandrium (such as Alexandrium catenella). By eating the algae, shellfish, etc., which usually have no poison, may be poisoned. It is also a kind of cyanotoxin produced by cyanobacteria and freshwater cyanobacteria that form water melons, but the biosynthetic pathway is unknown. Saxitoxin was named after the scientific name of the North American bivalve in 1962 and was structurally determined by X - ray crystal structure analysis by Schantz et al., Rapoport et al. In 1975. There are about 30 homologs in saxitoxin. ...