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Article

Is Yessotoxin the Main Phycotoxin in Croatian Waters?

1
Institute of Oceanography and Fisheries, Šet. I. Meštrovića 63, 21000 Split, Croatia
2
Fondazione Centro Ricerche Marine National Reference Laboratory on Marine Biotoxins, 47042 Cesenatico, Italy
3
Faculty of Science, University of Split, Teslina 12, 21000 Split, Croatia
*
Author to whom correspondence should be addressed.
Mar. Drugs 2010, 8(3), 460-470; https://0-doi-org.brum.beds.ac.uk/10.3390/md8030460
Received: 21 January 2010 / Revised: 8 February 2010 / Accepted: 20 February 2010 / Published: 5 March 2010
(This article belongs to the Special Issue Algal Toxins)
With the aim of investigating whether yessotoxin (YTX) is responsible for diarrhetic shellfish poisoning (DSP) events in Croatian waters, three different methods were combined: a modified mouse bioassay (MBA) that discriminates YTX from other DSP toxins, the enzyme-linked immunosorbent assay method (ELISA) and liquid chromatography-mass spectrometry (LC-MS/MS). Among 453 samples of mussels and seawater analyzed in 2007, 10 samples were DSP positive. Results obtained by the modified MBA method revealed that most of the samples were positive for YTX, with the exception of samples from Lim Bay (LB 1) The ELISA method also identified the presence of YTX in these samples. DSP toxin profiles showed the presence of okadaic acid (OA) in three, and YTX in four out of nine samples that were analyzed by LC-MS/MS. The phytoplankton community structure pattern revealed Lingulodinium polyedrum (Stein) Dodge, which was present in the water prior to and/or during toxicity events at low concentrations (80 to 1440 cells L-1), as a potential YTX producing species. It is proposed that L. polyedrum cells accumulated in mussels and the subsequently observed toxicity may be related to metabolism after ingestion, resulting in carboxy YTX as the major analog in the mussel. View Full-Text
Keywords: yessotoxin; okadaic acid; Lingulodinium polyedrum; Dinophysis fortii; Adriatic Sea yessotoxin; okadaic acid; Lingulodinium polyedrum; Dinophysis fortii; Adriatic Sea
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MDPI and ACS Style

Gladan, Ž.N.; Ujević, I.; Milandri, A.; Marasović, I.; Ceredi, A.; Pigozzi, S.; Arapov, J.; Skejić, S.; Orhanović, S.; Isajlović, I. Is Yessotoxin the Main Phycotoxin in Croatian Waters? Mar. Drugs 2010, 8, 460-470. https://0-doi-org.brum.beds.ac.uk/10.3390/md8030460

AMA Style

Gladan ŽN, Ujević I, Milandri A, Marasović I, Ceredi A, Pigozzi S, Arapov J, Skejić S, Orhanović S, Isajlović I. Is Yessotoxin the Main Phycotoxin in Croatian Waters? Marine Drugs. 2010; 8(3):460-470. https://0-doi-org.brum.beds.ac.uk/10.3390/md8030460

Chicago/Turabian Style

Gladan, Živana Ninčević, Ivana Ujević, Anna Milandri, Ivona Marasović, Alfiero Ceredi, Silvia Pigozzi, Jasna Arapov, Sanda Skejić, Stjepan Orhanović, and Igor Isajlović. 2010. "Is Yessotoxin the Main Phycotoxin in Croatian Waters?" Marine Drugs 8, no. 3: 460-470. https://0-doi-org.brum.beds.ac.uk/10.3390/md8030460

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