Toxicon 1999 Nov 01;3711:1521-7. doi: 10.1016/s0041-0101(99)00093-8.

Distribution and sequestration of palytoxin in coral reef animals.

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In the reefs off the Colombian coast (Caribbean Sea) and around Lizard Island, Australia (Pacific), palytoxin (PTX), which has been detected in zoanthid species of the genus Palythoa, also occurred in various other marine organisms living in close association with zoanthid colonies, e.g. sponges (Porifera), soft corals (Alcyonaria), gorgonians (Gorgonaria), mussels, and crustaceans. Predators, e.g. polychaete worms (Hermodice carunculata), a starfish (Acanthaster planci) and fish (Chaetodon species) feeding on Palythoa colonies, accumulate high toxin concentrations in their organs, where PTX is stored in its active form. The high level of toxin tolerance observed in marine animals may enable the wide distribution of PTX in marine biota and its transport and sequestration in food chains.

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Genes referenced: LOC100887844