Ciguatera toxin is derived from which organism?

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Multiple Choice

Ciguatera toxin is derived from which organism?

Explanation:
Ciguatera toxin comes from a benthic dinoflagellate called Gambierdiscus toxicus. These microalgae live on macroalgae in tropical and subtropical reef waters and produce ciguatoxins that bioaccumulate up the food chain, so humans get ciguatera poisoning from eating larger reef fish. The other organisms listed are linked to different toxins or aren’t the producers of ciguatoxins, for example Alexandrium tamarense makes saxitoxins and Karenia brevis makes brevetoxins, while Noctiluca scintillans is not a primary source of ciguatera toxins.

Ciguatera toxin comes from a benthic dinoflagellate called Gambierdiscus toxicus. These microalgae live on macroalgae in tropical and subtropical reef waters and produce ciguatoxins that bioaccumulate up the food chain, so humans get ciguatera poisoning from eating larger reef fish. The other organisms listed are linked to different toxins or aren’t the producers of ciguatoxins, for example Alexandrium tamarense makes saxitoxins and Karenia brevis makes brevetoxins, while Noctiluca scintillans is not a primary source of ciguatera toxins.

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