Search Results - "Lemee, Rodolphe"
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Effects of the toxic dinoflagellate Ostreopsis cf. ovata on survival, feeding and reproduction of a phytal harpacticoid copepod
Published in Journal of experimental marine biology and ecology (01-07-2019)“…Harmful algal blooms are a source of increasing concern within the health, economic and ecological sectors. In the Mediterranean Sea, severe blooms of the…”
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Sea-Air Transfer of Ostreopsis Phycotoxins Is Driven by the Chemical Diversity of the Particulate Fraction in the Surface Microlayer
Published in Environmental science & technology (22-10-2024)“…Blooms of Ostreopsis cf. ovata pose an emerging health threat, causing respiratory disorders in various coastal regions. This dinoflagellate produce potent…”
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3
Microtubule reorganization during mitotic cell division in the dinoflagellate Ostreospis cf. ovata
Published in Journal of cell science (01-06-2024)“…Dinoflagellates are marine organisms that undergo seasonal proliferation events known as algal blooms. Vegetative cell proliferation is a main contributing…”
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The role of habitat in the facilitation of Ostreopsis spp. blooms
Published in Harmful algae (01-03-2022)“…In recent decades, recurrent Ostreopsis spp. blooms have been recorded throughout the globe, causing public health issues and mass mortalities of…”
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Chemical Ecology of the Benthic Dinoflagellate Genus Ostreopsis: Review of Progress and Future Directions
Published in Frontiers in Marine Science (10-07-2020)“…The genus Ostreopsis includes some species that produce high biomass blooms and/or synthesize toxic compounds that can be transferred through the marine food…”
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Passive Sampling and High Resolution Mass Spectrometry for Chemical Profiling of French Coastal Areas with a Focus on Marine Biotoxins
Published in Environmental science & technology (16-08-2016)“…Passive samplers (solid phase adsorption toxin tracking: SPATT) are able to accumulate biotoxins produced by microalgae directly from seawater, thus providing…”
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Toxin content of Ostreopsis cf. ovata depends on bloom phases, depth and macroalgal substrate in the NW Mediterranean Sea
Published in Harmful algae (01-02-2020)“…•Ostreopsis cf. ovata bloomed from late June to August 2017 at Villefranche-sur-Mer, France, Mediterranean Sea.•Ovatoxins contents were higher during the…”
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Rapid Biotic and Abiotic Transformation of Toxins produced by Ostreopsis. cf. ovata
Published in Marine drugs (28-11-2022)“…The dinoflagellate Ostreopsis cf. ovata produces several families of toxic polyketides. Despite only a few field measurements of these phycotoxins in seawater…”
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On the Hunt for New Toxin Families Produced by a Mediterranean Strain of the Benthic Dinoflagellate Ostreopsis cf. ovata
Published in Toxins (23-03-2022)“…cf. is a benthic dinoflagellate known to produce palytoxin (PLTX) and its analogues. Recent investigations suggested the production of unknown toxins by a…”
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Spatio-temporal dynamics and biotic substrate preferences of benthic dinoflagellates in the Lesser Antilles, Caribbean sea
Published in Harmful algae (01-01-2019)“…•No clear intra-seasonal variation of benthic dinoflagellate abundances in Guadeloupe and in Martinique.•Benthic dinoflagellates showed a preferential…”
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11
Uptake of dissolved inorganic and organic nitrogen by the benthic toxic dinoflagellate Ostreopsis cf. ovata
Published in Harmful algae (01-05-2017)“…Environmental factors that shape dynamics of benthic toxic blooms are largely unknown. In particular, for the toxic dinoflagellate Ostreopsis cf. ovata, the…”
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First Evidence of the Presence of Anatoxin-A in Sea Figs Associated with Human Food Poisonings in France
Published in Marine drugs (29-05-2020)“…From January 2011 to March 2018, 26 patients aged from 20 to 80 years old reported being sick in France after eating sea figs of the genus . The patients had…”
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13
Harmful Algal Blooms in Benthic Systems: Recent Progress and Future Research
Published in Oceanography (Washington, D.C.) (01-03-2017)“…Shallow, well-illuminated coastal waters from tropical to temperate latitudes are attractive environments for humans. Beaches and coral reefs have provided…”
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14
Current distribution and potential expansion of the harmful benthic dinoflagellate Ostreopsis cf. siamensis towards the warming waters of the Bay of Biscay, North‐East Atlantic
Published in Environmental microbiology (01-09-2021)“…Summary In a future scenario of increasing temperatures in North‐Atlantic waters, the risk associated with the expansion of the harmful, benthic dinoflagellate…”
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Ovatoxin-a and palytoxin accumulation in seafood in relation to Ostreopsis cf. ovata blooms on the French Mediterranean coast
Published in Marine drugs (01-02-2012)“…Dinoflagellates of the genus Ostreopsis are known to cause (often fatal) food poisoning in tropical coastal areas following the accumulation of palytoxin…”
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Trends in Ostreopsis proliferation along the Northern Mediterranean coasts
Published in Toxicon (Oxford) (01-03-2011)“…Harmful benthic microalgae blooms represent an emergent phenomenon in temperate zones, causing health, ecological and economic concern. The main goal of this…”
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Complex toxin profile of French Mediterranean Ostreopsis cf. ovata strains, seafood accumulation and ovatoxins prepurification
Published in Marine drugs (13-05-2014)“…Ostreopsis cf. ovata produces palytoxin analogues including ovatoxins (OVTXs) and a putative palytoxin (p-PLTX), which can accumulate in marine organisms and…”
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Allelopathic interactions between the benthic toxic dinoflagellate Ostreopsis cf. ovata and a co-occurring diatom
Published in Harmful algae (01-05-2018)“…•O. cf. ovata does not maintain distant allelopathic interactions with the diatom Licmophora paradoxa.•Ovatoxins are not prone to diffusion and would rather be…”
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Mitochondrial, but not rDNA, genes fail to discriminate dinoflagellate species in the genus Ostreopsis
Published in Harmful algae (01-12-2014)“…•A large dataset of ribosomal and new mitochondrial gene sequences of Ostreopsis spp. was generated.•Improved phylogenetic characterization of Ostreopsis…”
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First insights on the diversity of the genus Ostreopsis (Dinophyceae, Gonyaulacales) in Guadeloupe Island, with emphasis on the phylogenetic position of O. heptagona
Published in European journal of protistology (01-04-2022)“…•Identification of four Ostreopsis species and characterization of a novel basal clade.•Detailed SEM observations and rDNA sequencing of Ostreopsis…”
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