New information about the toxicological profile of Prorocentrum panamense (Prorocentrales, Dinophyceae) and its global distribution
Visualitza/Obre
Autor/a
Rey, María
Tudó, Àngels
Rambla, Maria
Data de publicació
2022-02-07ISSN
1322-0829
Resum
Dinoflagellates of the genera Prorocentrum and Dinophysis are known producers of toxic compounds belonging to the okadaic acid (OA) group. The ingestion of shellfish contaminated with these toxins causes a human disease named diarrheic shellfish poisoning (DSP). In this study, the first record of Prorocentrum panamense, a potential toxin-producer species, was reported in the Canary Islands together with its toxicological characterization. Prorocentrum panamense cells were collected during April 2017 from natural pools located in the Northeastern part of Gran Canaria. This new record represents an expansion of P. panamense distribution area, previously restricted to the Pacific Ocean, Indian Ocean, Arabian Gulf and the Caribbean, and its introduction mechanisms are discussed. Laboratory cultures of P. panamense were settled and toxin production was assessed in both cell pellets and culture media at four different growth phases (latency, exponential, early stationary and late stationary) implementing LC-MS/MS and neuro-2a cell-based assay (CBA). LC-MS/MS allowed the identification of OA in the fraction corresponding to the late stationary phase, and tests performed on neuro-2a cells showed, for most of the fractions, OA-like activity observable by both cell morphology changes and cell mortality. This information is fundamental for a better understanding of the genus Prorocentrum global distribution, its ecology, and risks associated to toxic producing species.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
Anglès
Matèries (CDU)
574 - Ecologia general i biodiversitat
Pàgines
28
Publicat per
Wiley
Publicat a
Phycological Research
Citació
Gaiani, Greta, María Rey, Àngels Tudó, Maria Rambla, Jorge Diogène, Mònica Campàs, and Carles Alcaraz. 2022. "New Information About The Toxicological Profile Of Prorocentrum Panamense ( Prorocentrales , Dinophyceae ) And Its Global Distribution". Phycological Research. doi:10.1111/pre.12479.
Número de l'acord de la subvenció
EFSA/ /GP-EFSA-AFSCO-2015-03/EU/Risk Characterization of Ciguatera Food Poisoning in Europe/EUROCIGUA
MINECO-FEDER/Programa Estatal de I+D+I orientada a los retos de la sociedad/BIO2017-87946-C2-2-R/ES/Dispositivos bioanalíticos para la detección rápida y rentable de gambierdiscus y ciguatoxinas/CIGUASENSING
Programa
Aigües Marines i Continentals
Aquest element apareix en la col·lecció o col·leccions següent(s)
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Drets
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