![]() ![]() Ciguatera poisoning in French Polynesia: Insights into the novel trends of an ancient disease. et sp nov., a New Genus for the Globular Species of the Dinoflagellate Gambierdiscus (Dinophyceae) PLoS ONE. Thecal Structure of a Marine Toxic Dinoflagellate Gambierdiscus-Toxicus Gen ET SP-NOV Collected in a Ciguatera-Endemic Area. Ciguatera poisonings: A global review of occurrences and trends. This is the first evidence of the presence of C-CTX1 in the common two-banded seabream and the first report of toxicity comparison between liver and muscle from relevant fish species captured in the Canary Islands.Ĭanary Islands amberjack ciguatoxins common two-banded seabream dusky grouper moray eel.Ĭhinain M., Gatti C.M.I., Darius H.T., Quod J.P., Tester P.A. None of the specimens with non-toxic liver showed toxicity in flesh. Black moray eels stand out for the large difference between CTX concentration in both tissues. Most of the liver displayed higher CTX levels than flesh and even individuals without detectable CTX in flesh exhibited hepatic toxicity. Sixty amberjack ( Seriola spp.), 27 dusky grouper ( Epinephelus marginatus), 11 black moray eels ( Muraena helena) and 11 common two-banded seabream ( Diplodus vulgaris) were analysed by cell-based assay (CBA) and Caribbean ciguatoxin-1 (C-CTX1) was detected by liquid chromatography mass spectrometry (LC-MS/MS) in all these species. The objectives of this study were to determine the presence of CTX-like toxicity in relevant species from this archipelago, compare CTX levels in liver and flesh and examine possible factors involved in their toxicity. Fish caught by recreational fishermen are not officially tested and the consumption of toxic viscera or flesh could lead to ciguatera poisoning (CP). The Canary Islands are a ciguatoxin (CTX) hotspot with an established official monitoring for the detection of CTX in fish flesh from the authorised points of first sale. ![]()
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