Question

palytoxin is a very potent toxin from a particular seaweed in hawaii that locks the carrier proteins of the ion pump system of the cell in an open position. what result would this have on cell function?

Answer 1

Palytoxin is a toxin from the seaweed Palythoa fimbriata. It is found in Hawaii and can be harvested for commercial use. The toxin binds to sodium channels, blocking them from opening, thus paralyzing the muscles of the fish that ingest it. This results in death within an hour of ingestion.

Palytoxin has been shown to have neurotoxic effects on fish and invertebrates such as crabs and lobsters, but not mammals or birds (Hawaii Department of Agriculture). The LD50 (the dose that will kill 50% of a population)

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