Results 31 to 40 of about 95 (53)

Both modular and single-domain Type I polyketide synthases are expressed in the brevetoxin-producing dinoflagellate, Karenia brevis (Dinophyceae)

, 2017
© 2017 The Authors Journal of Phycology published by Wiley Periodicals, Inc. on behalf of Phycological Society of America Dinoflagellates are prolific producers of polyketide compounds, many of which are potent toxins with adverse impacts on human and ...
Murray, Shauna A., Jeanine S. Morey, Shauna A. Murray, Van Dolah, Frances M., Morey, JS, Morey, Jeanine S., Gurjeet S. Kohli, Kohli, Gurjeet Singh, Frances M. Van Dolah, Van Dolah, FM, Kohli, GS, Murray, SA   +11 more
core   +1 more source

Experimental evidence of dietary ciguatoxin accumulation in an herbivorous coral reef fish

, 2018
Ciguatoxins (CTXs) are potent algal toxins that cause widespread ciguatera poisoning and are found ubiquitously in coral reef food webs. Here we developed an environmentally-relevant, experimental model of CTX trophic transfer involving dietary exposure ...
Barbara Losen, Mireille Chinain, Losen, Barbara, Francois R. Oberhaensli, Hess, Philipp, Peter W. Swarzenski, Marie-Yasmine Dechraoui Bottein, Philipp Hess, Oberhaensli, Francois, H. Taiana Darius, Clausing, Rachel, Dechraoui Bottein, Marie-Yasmine, Chinain, Mireille, Rachel J. Clausing, Darius, H. Taiana, Bottein, Marie-yasmine Dechraoui, Swarzenski, Peter, Swarzenski, Peter W., Manoella Sibat, Clausing, Rachel J., Oberhaensli, Francois R., Sibat, Manoella   +21 more
core   +1 more source

Giant clams: could they represent a new vector of Ciguatera ?

, 2014
International audienceCiguatera Fish Poisoning (CFP) is a form of ichtyosarcotoxism caused by the consumption of tropical coral reef fishes that haveaccumulated ciguatoxins (CTXs), neurotoxins produced by dinoflagellates of the genus Gambierdiscus ...
Amzil, Z., Roué, M., Picot, S., Darius, Ht., Gaertner-Mazouni, Nabila, Viallon, J., Ung, A., Sibat, M, Chinain, M.   +8 more
core   +1 more source

Current knowledge and pespectives of study on benthic toxic dinoflagellates of the genus Gambierdiscus in the Canary Islands

, 2014
Species of the dinoflagellate genus Gambierdiscus are the cause of Ciguatera Fish Poisoning which is very common in tropical areas, mainly in the Pacific Ocean and Caribbean Sea.
Franco, J.M. (José Mariano), Rodríguez, F. (Francisco), Riobó, P. (Pilar), Fraga, S. (Santiago)   +3 more
core  

Role of Modular Polyketide Synthases in the Production of Polyether Ladder Compounds in Ciguatoxin‐Producing Gambierdiscus polynesiensis and G. excentricus (Dinophyceae) [PDF]

Journal of Eukaryotic Microbiology, 2017
Gambierdiscus, a benthic dinoflagellate, produces ciguatoxins that cause the human illness Ciguatera. Ciguatoxins are polyether ladder compounds that have a polyketide origin, indicating that polyketide synthases (PKS) are involved in their production ...
Gurjeet S Kohli, Katrina Campbell, Uwe John   +2 more
exaly   +11 more sources

Intraspecific Variability in the Toxin Production and Toxin Profiles of In Vitro Cultures of Gambierdiscus polynesiensis (Dinophyceae) from French Polynesia [PDF]

Toxins, 2019
Ciguatera poisoning (CP) is a foodborne disease caused by the consumption of seafood contaminated with ciguatoxins (CTXs) produced by dinoflagellates in the genera Gambierdiscus and Fukuyoa.
Sébastien Longo, Manoella Sibat, Jérôme Viallon   +2 more
exaly   +5 more sources

Gambierdiscus polynesiensis from New Caledonia (South West Pacific Ocean): Morpho-molecular characterization, toxin profile and response to light intensity

Harmful Algae
Gambierdiscus is known to produce neurotoxins associated with ciguatera poisoning (CP). In New Caledonia (NC), South West Pacific Ocean, there is currently a significant knowledge gap regarding CP and the microalgae linked to this foodborne illness. This
Manoella Sibat, Nicolas Chomérat, Gwenael Bilien   +2 more
exaly   +5 more sources

Growth and toxin production in the ciguatera-causing dinoflagellate Gambierdiscus polynesiensis (Dinophyceae) in culture

Toxicon, 2010
The growth and toxin production in a clonal strain of Gambierdiscus polynesiensis, TB-92, was examined in batch culture conditions. The mean growth rate at exponential phase was (0.13+/-0.03)division day(-1). Regardless of the age of cultures, all mice injected with dichloromethanolic and methanolic extracts showed symptoms specific to ciguatoxin (CTX)
Mireille Chinain, Hélène Taiana Darius, André Ung   +2 more
exaly   +4 more sources

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Dynamics of ciguatoxins from Gambierdiscus polynesiensis in the benthic herbivore Mugil cephalus: Trophic transfer implications

Harmful Algae, 2014
Abstract This study investigates ciguatoxin dynamics in mullet after controlled feeding of Gambierdiscus polynesiensis cells as a model to characterize the absorption, distribution, retention and accumulation of ciguatoxins into the second trophic level of southwestern Pacific coral reef ecosystems.
Aurélie Ledreux, Mireille Chinain, Marie-Yasmine Dechraoui Bottein   +2 more
exaly   +2 more sources

Production of ciguatoxin and maitotoxin by strains of Gambierdiscus australes, G. pacificus and G. polynesiensis (Dinophyceae) isolated from Rarotonga, Cook Islands

Harmful Algae, 2014
Abstract The isolation and culturing of toxic Gambierdiscus species is desirable for obtaining reliable sources of toxins responsible for Ciguatera Fish Poisoning (CFP) in order to provide reference materials and purified standards for chemical analyses and bioassays. Gambierdiscus polynesiensis CAWD212, G. pacificus CAWD213 and G.
D Tim Harwood, Kirsty Smith, Rex Munday   +2 more
exaly   +2 more sources