Search Results - "Sibat, Manoëlla"
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Maitotoxin-4, a Novel MTX Analog Produced by Gambierdiscus excentricus
Published in Marine drugs (11-07-2017)“…Maitotoxins (MTXs) are among the most potent toxins known. These toxins are produced by epi-benthic dinoflagellates of the genera and and may play a role in…”
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Characterization of maitotoxin‐4 (MTX4) using electrospray positive mode ionization high‐resolution mass spectrometry and UV spectroscopy
Published in Rapid communications in mass spectrometry (15-10-2020)“…Rationale The dinoflagellate genera Gambierdiscus and Fukuyoa are producers of toxins responsible for Ciguatera Poisoning (CP). Although having very low oral…”
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Toxicity Screening of a Gambierdiscus australes Strain from the Western Mediterranean Sea and Identification of a Novel Maitotoxin Analogue
Published in Marine drugs (15-08-2021)“…Dinoflagellate species of the genera and are known to produce ciguatera poisoning-associated toxic compounds, such as ciguatoxins, or other toxins, such as…”
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Phototoxicity of the Ethanolic Extract of Skeletonema marinoi for the Dermocosmetic Improvement of Acne
Published in Marine drugs (27-07-2024)“…Acne is one of the most common dermatological conditions, peaking during adolescence and early adulthood, affecting about 85% of individuals aged 12-24…”
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Effects of pH and Nutrients (Nitrogen) on Growth and Toxin Profile of the Ciguatera-Causing Dinoflagellate Gambierdiscus polynesiensis (Dinophyceae)
Published in Toxins (04-12-2020)“…Ciguatera poisoning is a foodborne disease caused by the consumption of seafood contaminated with ciguatoxins (CTXs) produced by dinoflagellates in the genera…”
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Chemically mediated interactions between Microcystis and Planktothrix: impact on their growth, morphology and metabolic profiles
Published in Environmental microbiology (01-05-2019)“…Summary Freshwater cyanobacteria are known for their ability to produce bioactive compounds, some of which have been described as allelochemicals. Using a…”
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Sulfo-Gambierones, Two New Analogs of Gambierone Produced by Gambierdiscus excentricus
Published in Marine drugs (24-11-2021)“…Ciguatera poisoning is caused by the ingestion of fish or shellfish contaminated with ciguatoxins produced by dinoflagellate species belonging to the genera…”
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Seasonal Single-Site Sampling Reveals Large Diversity of Marine Algal Toxins in Coastal Waters and Shellfish of New Caledonia (Southwestern Pacific)
Published in Toxins (01-11-2023)“…Algal toxins pose a serious threat to human and coastal ecosystem health, even if their potential impacts are poorly documented in New Caledonia (NC). In this…”
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Targeted and non-targeted mass spectrometry to explore the chemical diversity of the genus Gambierdiscus in the Atlantic Ocean
Published in Phytochemistry (Oxford) (01-06-2024)“…Dinoflagellates of the genus Gambierdiscus have been associated with ciguatera, the most common non-bacterial fish-related intoxication in the world. Many…”
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Tissue Distribution and Metabolization of Ciguatoxins in an Herbivorous Fish following Experimental Dietary Exposure to Gambierdiscus polynesiensis
Published in Marine drugs (01-01-2024)“…Ciguatoxins (CTXs), potent neurotoxins produced by dinoflagellates of the genera and , accumulate in commonly consumed fish species, causing human ciguatera…”
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Deep-Water Fish Are Potential Vectors of Ciguatera Poisoning in the Gambier Islands, French Polynesia
Published in Marine drugs (17-11-2021)“…Ciguatera poisoning (CP) cases linked to the consumption of deep-water fish occurred in 2003 in the Gambier Islands (French Polynesia). In 2004, on the request…”
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Evidence for the Range Expansion of Ciguatera in French Polynesia: A Revisit of the 2009 Mass-Poisoning Outbreak in Rapa Island (Australes Archipelago)
Published in Toxins (01-12-2020)“…Ciguatera poisoning (CP) results from the consumption of seafood contaminated with ciguatoxins (CTXs). This disease is highly prevalent in French Polynesia…”
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Use of Mass Spectrometry to Determine the Diversity of Toxins Produced by Gambierdiscus and Fukuyoa Species from Balearic Islands and Crete (Mediterranean Sea) and the Canary Islands (Northeast Atlantic)
Published in Toxins (07-05-2020)“…Over the last decade, knowledge has significantly increased on the taxonomic identity and distribution of dinoflagellates of the genera and . Additionally, a…”
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Comparative Study on the Performance of Three Detection Methods for the Quantification of Pacific Ciguatoxins in French Polynesian Strains of Gambierdiscus polynesiensis
Published in Marine drugs (01-06-2022)“…Gambierdiscus and Fukuyoa dinoflagellates produce a suite of secondary metabolites, including ciguatoxins (CTXs), which bioaccumulate and are further…”
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Molecular networking as a novel approach to unravel toxin diversity of four strains of the dominant Dinophysis species from French coastal waters
Published in Harmful algae (01-03-2021)“…•Molecular network revealed the presence of five new putative analogues of PTXs.•Parameters optimization is essential to generate confident molecular…”
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Pinnatoxin G is responsible for atypical toxicity in mussels (Mytilus galloprovincialis) and clams (Venerupis decussata) from Ingril, a French Mediterranean lagoon
Published in Toxicon (Oxford) (01-12-2013)“…Following a review of official control data on shellfish in France, Ingril Lagoon had been identified as a site where positive mouse bioassays for lipophilic…”
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Cultures of Dinophysis sacculus, D. acuminata and pectenotoxin 2 affect gametes and fertilization success of the Pacific oyster, Crassostrea gigas
Published in Environmental pollution (1987) (01-10-2020)“…Harmful algal blooms (HABs) of toxic species of the dinoflagellate genus Dinophysis are a threat to human health as they are mainly responsible for diarrheic…”
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Detection of pacific ciguatoxins using liquid chromatography coupled to either low or high resolution mass spectrometry (LC-MS/MS)
Published in Journal of Chromatography A (12-10-2018)“…•MeOH improved selectivity and sensitivity for P-CTXs over ACN-based mobile phase.•HRMS fragmentation allowed for development of selective LRMS method.•LRMS…”
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High resolution mass spectrometry for quantitative analysis and untargeted screening of algal toxins in mussels and passive samplers
Published in Journal of Chromatography A (16-10-2015)“…•Quantitative HRMS-method developed for targeted screening of biotoxins.•Advantage of HRMS over LRMS with regards to untargeted screening of unknowns.•Similar…”
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Intraspecific Variability in the Toxin Production and Toxin Profiles of In Vitro Cultures of Gambierdiscus polynesiensis (Dinophyceae) from French Polynesia
Published in Toxins (17-12-2019)“…Ciguatera poisoning (CP) is a foodborne disease caused by the consumption of seafood contaminated with ciguatoxins (CTXs) produced by dinoflagellates in the…”
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