Pseudoalteromonas tetraodonis

Rapid-acting neurotoxin that inhibits sodium-ion channels in neural and muscular tissue. It does not affect the neuromuscular junction. It is colorless crystals or a white powder that is obtained from puffer fish (Arothron sp.), frogs, newts, dinoflagellates (Takifugu poecilonotus), and bacteria (Pseudoalteromonas tetraodonis). It is heat stable but darkens on heating above... 

Muldoon, J., Perepelov, A.V., Shashkov, A.S., Gorshkova, R.P., Nazarenko, E.L., Zubkov, V.A., Ivanova, E.P., Knirel, Y.A., and Savage, A.V. (2001b) Structure of a colitose-containing O-specific polysaccharide of the marine bacterium Pseudoalteromonas tetraodonis lAM 614160f Carbohydr. Res., 333, 41-46. 

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