Marine Toxins as Research Tools - Google Books

https://books.google.de/books?id=ZfhDAAAAQBAJ&pg=PA5#v=onepage

Marine organisms produce a wide array of toxins, many of which are not only structurally unusual, but also show potent and interesting modes of action. Since the discovery of tetrodotoxin, a pufferfish toxin, as a potent and selective blocker of Na+…