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Sensitivity of freshwater and marine green algae to three compounds of emerging concern

2018Journal article Restricted access
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dc.contributor.authorMachado, Manuela Dias
dc.contributor.authorSoares, Eduardo V.
dc.date.accessioned2021-03-01T16:09:46Z
dc.date.embargo2120
dc.date.issued2018
dc.description.abstractIn this study, the toxicity of three compounds of emerging concern (CEC) belonging to different classes [metolachlor (herbicide), erythromycin (antibiotic) and triclosan (antiseptic)], were evaluated and compared using the freshwater alga Pseudokirchneriella subcapitata and the marine alga Dunaliella tertiolecta. Toxicity assays were performed by exposing algal cells, in exponential phase of growth, to the toxicants for 72 h (P. subcapitata) or 96 h (D. tertiolecta). The toxicant concentrations that induced an inhibition of 50% of algal growth (EC50) of P. subcapitata or D. tertiolecta were 118 and 11.3 × 103 μg L−1 for metolachlor (MTC), 38 and 5.75 × 103 μg L−1 for erythromycin (ERT) and 27.1 and 93 μg L−1 for triclosan (TCS), respectively. Based on these EC50 values, it was possible to hierarchize (decreasing order) the toxicity of the CEC studied: TCS > ERT > MTC. The EC50 values achieved for P. subcapitata were between 3.4- and 151-fold lower than those observed with D. tertiolecta, which demonstrated the higher sensitivity of the freshwater alga comparatively to the marine alga. All 72 h-EC10 or 72 h-EC50 values determined in this study with P. subcapitata are within the concentration range of these pollutants described in the literature, in ground and surface waters, which underlines the significance of this alga in the ecotoxicity assessment of freshwaters.pt_PT
dc.description.sponsorshipThis study was supported by the Portuguese Foundation for Science and Technology (FCT) under the scope of the strategic funding of UID/BIO/04469/2013 unit and COMPETE 2020 (POCI-01-0145-FEDER-006684) and BioTecNorte operation (NORTE-01-0145-FEDER-000004) funded by the European Regional Development Fund under the scope of Norte2020—Programa Operacional Regional do Norte. Manuela D. Machado gratefully acknowledges the post-doctoral grant from FCT (SFRH/BPD/72816/2010).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1007/s10811-018-1511-5pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/17207
dc.language.isoengpt_PT
dc.publisherSpringerpt_PT
dc.relationNORTE-01-0145-FEDER-000004pt_PT
dc.relationUSING A FLUORESCENT CELL-BASED APPROACH IN THE EVALUATION OF AQUATIC POLLUTION
dc.relation.publisherversionhttps://link.springer.com/article/10.1007%2Fs10811-018-1511-5pt_PT
dc.subjectChlorophytapt_PT
dc.subjectDunaliella tertiolectapt_PT
dc.subjectErythromycinpt_PT
dc.subjectMetolachlorpt_PT
dc.subjectPseudokirchneriella subcapitatapt_PT
dc.subjectToxicitypt_PT
dc.subjectTriclosanpt_PT
dc.titleSensitivity of freshwater and marine green algae to three compounds of emerging concernpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleUSING A FLUORESCENT CELL-BASED APPROACH IN THE EVALUATION OF AQUATIC POLLUTION
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FBIO%2F04469%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F72816%2F2010/PT
oaire.citation.endPage408pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage399pt_PT
oaire.citation.titleJournal of Applied Phycologypt_PT
oaire.citation.volume31pt_PT
oaire.fundingStream5876
person.familyNameDias Machado
person.familyNameSoares
person.givenNameManuela
person.givenNameEduardo
person.identifier93637
person.identifier.ciencia-id491C-EDE6-F3F3
person.identifier.ciencia-idD612-0D0E-4984
person.identifier.orcid0000-0003-3519-8654
person.identifier.orcid0000-0003-2280-5291
person.identifier.ridO-5908-2015
person.identifier.scopus-author-id23485908300
person.identifier.scopus-author-id7102060173
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublicationb3ebdee1-84fa-4183-a1d8-c3cdcaaef219
relation.isAuthorOfPublication.latestForDiscovery98b9a815-89d6-45cf-8d6d-e9de0599a8cd
relation.isProjectOfPublicatione32e2560-63f1-48c6-9d01-9064301c0d5e
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