
1) Ion channel toxin
Found on
https://www.crosswordclues.com/clue/maitotoxin

Maitotoxin (or MTX) is an extremely potent toxin produced by Gambierdiscus toxicus, a dinoflagellate species. Maitotoxin is so potent that it has been demonstrated that an intraperitoneal injection of 0.13 µg/kg was lethal in mice. Maitotoxin was named from the ciguateric fish Ctenochaetus striatus—called `maito` in Tahiti—from which maitot.....
Found on
http://en.wikipedia.org/wiki/Maitotoxin

(from the article `algae`) ...of tropical fish that have fed on the alga Gambierdiscus or Ostreopsis. Unlike many other dinoflagellate toxins, ciguatoxin and maitotoxin are ...
Found on
http://www.britannica.com/eb/a-z/m/16

Toxin from dinoflagellates. Activates L-type voltage-sensitive calcium channels (VSCC) and mobilizes intracellular calcium stores.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.