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ciguatoxin

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ciguatoxin /ci·gua·tox·in/ (se´gwah-tok?sin) a heat-stable toxin originating in the dinoflagellate Gambierdiscus toxicus as a pretoxin and and concentrated as the active form in the tissues of certain marine fish; it causes ciguatera.
ci·gua·tox·in (sgw-tksn)
n.
A potent neurotoxin that is secreted by various dinoflagellates, especially Gambierdiscus toxicus, and can accumulate in the flesh of tropical reef fish, causing ciguatera poisoning if they are eaten.
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Assay results were positive and the ciguatoxin content of the fish sample was estimated to be 1.
Ciguatera fish poisoning, Canary Islands by Boada, Luis D. / Emerging Infectious Diseases
Likewise, each of these pathways may provide a means for potential therapeutic intervention of brevetoxin in neurotoxic shellfish poisoning and the more prolonged effects of related polyether ciguatoxin for ciguatera fish poisoning.
Distribution of brevetoxin (PbTx-3) in mouse plasma: association with ... by Ramsdell, John S. / Environmental Health Perspectives
Other dinollagellates that live in association with seaweeds on coral reefs produce ciguatoxin, which takes a similar shape and attacks the same channel.
The rise in toxic tides: what's behind the ocean blooms? by Mlot, Christine / Science News
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