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dc.contributor.authorMelliti Ben Garali, Sondes
dc.contributor.authorSahraoui, Inès
dc.contributor.authorBen Othman, Hiba
dc.contributor.authorKouki, Abdessalem
dc.contributor.authorde la Iglesia, Pablo
dc.contributor.authorDiogène, Jorge
dc.contributor.authorLafabrie, Céline
dc.contributor.authorAndree, Karl B.
dc.contributor.authorFernández-Tejedor, Margarita
dc.contributor.authorMejri, Kaouther
dc.contributor.authorMeddeb, Marouan
dc.contributor.authorPringault, Olivier
dc.contributor.authorHlaili, Asma Sakka
dc.contributor.otherProducció Animalca
dc.date.accessioned2021-03-16T14:40:35Z
dc.date.available2021-03-16T14:40:35Z
dc.date.issued2021-03-12
dc.identifier.citationMelliti Ben Garali, Sondes, Inès Sahraoui, Hiba Ben Othman, Abdessalem Kouki, Pablo de la Iglesia, Jorge Diogène, and Céline Lafabrie et al. 2021. "Capacity Of The Potentially Toxic Diatoms Pseudo-Nitzschia Mannii And Pseudo-Nitzschia Hasleana To Tolerate Polycyclic Aromatic Hydrocarbons". Ecotoxicology And Environmental Safety 214: 112082. doi:10.1016/j.ecoenv.2021.112082.ca
dc.identifier.issn0147-6513ca
dc.identifier.urihttp://hdl.handle.net/20.500.12327/1195
dc.description.abstractThis study investigates the effects of polycyclic aromatic hydrocarbons (PAHs) on two potentially toxic Pseudo-nitzschia hasleana and P. mannii, isolated from a PAH contaminated marine environment. Both species, maintained in non-axenic cultures, have been exposed during 144 h to increasing concentrations of a 15 PAHs mixture. Analysis of the domoic acid, showed very low concentrations. Dose–response curves for growth and photosynthesis inhibition were determined. Both species have maintained their growth until the end of incubation even at the highest concentration tested (120 µg l-1), Nevertheless, P mannii showed faster growth and seemed to be more tolerant than P. hasleana. To reduce PAH toxicity, both species have enhanced their biovolume, with a higher increase for P. mannii relative to P hasleana. Both species were also capable of bio-concentrating PAHs and were able to degrade them probably in synergy with their associated bacteria. The highest biodegradation was observed for P. mannii, which could harbored more efficient hydrocarbon-degrading bacteria. This study provides the first evidence that PAHs can control the growth and physiology of potentially toxic diatoms. Future studies should investigate the bacterial community associated with Pseudo-nitzschia species, as responses to pollutants or to other environmental stressors could be strongly influence by associated bacteria.ca
dc.format.extent10ca
dc.language.isoengca
dc.publisherElsevierca
dc.relation.ispartofEcotoxicology and Environmental Safetyca
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalca
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleCapacity of the potentially toxic diatoms Pseudo-nitzschia mannii and Pseudo-nitzschia hasleana to tolerate polycyclic aromatic hydrocarbonsca
dc.typeinfo:eu-repo/semantics/articleca
dc.description.versioninfo:eu-repo/semantics/publishedVersionca
dc.rights.accessLevelinfo:eu-repo/semantics/openAccess
dc.embargo.termscapca
dc.subject.udc574ca
dc.identifier.doihttps://doi.org/10.1016/j.ecoenv.2021.112082ca
dc.contributor.groupAigües Marines i Continentalsca
dc.contributor.groupAqüiculturaca


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