Littérature scientifique sur le sujet « Ostreopsis spp »
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Articles de revues sur le sujet "Ostreopsis spp"
ISMAEL, A., et Y. HALIM. « Potentially harmful Ostreopsis spp. in the coastal waters of Alexandria - Egypt ». Mediterranean Marine Science 13, no 2 (7 septembre 2012) : 208. http://dx.doi.org/10.12681/mms.300.
Texte intégralTan, Toh-Hii, Po-Teen Lim, Aazani Mujahid, Gires Usup et Chui-Pin Leaw. « BENTHIC HARMFUL DINOFLAGELLATE ASSEMBLAGES IN A FRINGING REEF OF SAMPADI ISLAND, SARAWAK, MALAYSIA ». Marine Research in Indonesia 38, no 2 (7 avril 2015) : 77–87. http://dx.doi.org/10.14203/mri.v38i2.59.
Texte intégralMonserrat, Margalida, Daniela Catania, Valentina Asnaghi, Mariachiara Chiantore, Rodolphe Lemée et Luisa Mangialajo. « The role of habitat in the facilitation of Ostreopsis spp. blooms ». Harmful Algae 113 (mars 2022) : 102199. http://dx.doi.org/10.1016/j.hal.2022.102199.
Texte intégralEspiña, Begoña, Eva Cagide, M. Carmen Louzao, Maria M. Fernandez, Mercedes R. Vieytes, Panagiota Katikou, Adriano Villar, David Jaen, Luz Maman et Luis M. Botana. « Specific and dynamic detection of palytoxins by in vitro microplate assay with human neuroblastoma cells ». Bioscience Reports 29, no 1 (10 décembre 2008) : 13–23. http://dx.doi.org/10.1042/bsr20080080.
Texte intégralMecozzi, Mauro, Marco Pietroletti et Andrea Tornambè. « Molecular and structural characteristics in toxic algae cultures of Ostreopsis ovata and Ostreopsis spp. evidenced by FTIR and FTNIR spectroscopy ». Spectrochimica Acta Part A : Molecular and Biomolecular Spectroscopy 78, no 5 (mai 2011) : 1572–80. http://dx.doi.org/10.1016/j.saa.2011.02.002.
Texte intégralVassalli, Massimo, Antonella Penna, Francesca Sbrana, Silvia Casabianca, Nikolla Gjeci, Samuela Capellacci, Valentina Asnaghi et al. « Intercalibration of counting methods for Ostreopsis spp. blooms in the Mediterranean Sea ». Ecological Indicators 85 (février 2018) : 1092–100. http://dx.doi.org/10.1016/j.ecolind.2017.07.063.
Texte intégralCasabianca, Silvia, Anna Casabianca, Pilar Riobó, José M. Franco, Magda Vila et Antonella Penna. « Quantification of the Toxic Dinoflagellate Ostreopsis spp. by qPCR Assay in Marine Aerosol ». Environmental Science & ; Technology 47, no 8 (28 mars 2013) : 3788–95. http://dx.doi.org/10.1021/es305018s.
Texte intégralAlmada, Eliliane Vasconcelos Corrêa, Wanderson Fernandes de Carvalho et Silvia Mattos Nascimento. « Investigation of phagotrophy in natural assemblages of the benthic dinoflagellates Ostreopsis, Prorocentrum and Coolia ». Brazilian Journal of Oceanography 65, no 3 (septembre 2017) : 392–99. http://dx.doi.org/10.1590/s1679-87592017140706503.
Texte intégralBerdalet, Elisa, Anne-Sophie Pavaux, Rafael Abós-Herràndiz, Muriel Travers, Gildas Appéré, Magda Vila, Jérémy Thomas et al. « Environmental, human health and socioeconomic impacts of Ostreopsis spp. Blooms in the NW Mediterranean ». Harmful Algae 119 (novembre 2022) : 102320. http://dx.doi.org/10.1016/j.hal.2022.102320.
Texte intégralYamaguchi, Haruo, Yuko Tanimoto, Takamichi Yoshimatsu, Shinya Sato, Tomohiro Nishimura, Keita Uehara et Masao Adachi. « Culture method and growth characteristics of marine benthic dinoflagellate Ostreopsis spp. isolated from Japanese coastal waters ». Fisheries Science 78, no 5 (7 juillet 2012) : 993–1000. http://dx.doi.org/10.1007/s12562-012-0530-4.
Texte intégralThèses sur le sujet "Ostreopsis spp"
Drouet, Kévin. « Impact de la température sur la biogéographie et la phénologie des dinoflagellés benthiques toxiques du genre Ostreopsis en Méditerranée et en Atlantique ». Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS379.
Texte intégralHarmful algal blooms (HABs) associated with the toxic benthic dinoflagellate Ostreopsis spp. are increasing around the world and responsible for sanitary, economic and ecological issues. The increasing number of reports of this dinoflagellate in recent decades suggests that climate change, and more particularly ocean warming, may be partly responsible for its expansion, especially in temperate zones. However, this link between warming waters and the development of Ostreopsis spp. blooms is difficult to prove and data concerning distribution areas or cellular responses to thermal variations are still lacking. This PhD thesis work provides new elements to answer this issue by addressing three main themes: 1) the phenology of blooms, 2) the distribution of species along a latitudinal gradient and 3) physiological adaptations to a temperature gradient. These questions were addressed by keeping the effect of temperature on the ecology of Ostreopsis spp. as the main thread and link between the three questions asked. This work was carried out using a multidisciplinary approach including statistical analyzes of datasets, genetic approaches based on environmental DNA, as well as ecophysiology and ecotoxicology approaches. The data used were acquired both from samples collected in the field and from experiments in a controlled environment in the laboratory. To meet the first objective, we analyzed the time series resulting from the ongoing monitoring of O. cf. ovata summer blooms in Monaco (NW Mediterranean Sea) set up since 2007 in order to determine the relationship between blooms phenology and environmental parameters. Although no environmental factor measured was able to fully explain the phenology of blooms, a strong positive correlation was found between positive sea surface temperature anomalies during spring and the timing of blooms, suggesting that the warmer the spring, the earlier the blooms of O. cf. ovata in Monaco. The second question of the thesis was addressed by analyzing new samples collected as part of a sampling campaign conducted along the coast of the Bay of Biscay in August-September 2018. This campaign aimed to establish the current distribution of Ostreopsis spp. in this area exhibiting a strong South-North thermal gradient, in order to initiate the analysis of a possible future expansion due to ocean warming. The processed results combined a classic benthic sampling approach, the use of artificial substrates for the collection of environmental DNA analyzed through molecular tools (rt-qPCR) as well as a Lagrangian modeling approach aiming at establishing the connectivity between sampling areas. We showed that only O. cf. siamensis was present in the Bay and that it could be found in certain areas up until the entrance to the English Channel, although blooms of O. cf. siamensis were only observed in the southeastern part of the Bay. This study allowed us to identify sentinel zones along the Bay of Biscay where new long-term monitoring could be set up in order to observe the potential expansion of O. cf. siamensis towards the North of the bay. Finally, the response of Ostreopsis spp. in relation with varying temperatures was studied in terms of growth capacity, physiological adaptations and toxicity in a thermal acclimation experiment. Different monoclonal strains were compared, including strains of O. cf. siamensis isolated in the Bay of Biscay during our 2018 campaign, as well as strains of O. cf. ovata from the northwestern Mediterranean Sea, correspongind to the two areas studied this thesis. The first results of this experiment indicate that the strains of O. cf. siamensis are able to acclimate and grow at temperatures between 16 ° C and 25 ° C, with an optimum growth temperature estimated around 22 ° C. In addition, the strains of O. cf. siamensis exhibited a higher level of toxicity at 22°C and 25°C than at 16°C and 19°C, indicating an effect of temperature on the toxicity of Ostreopsis spp. [...]