Sensitivity of freshwater and marine green algae to three compounds of emerging concern
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/1822/59089 |
Resumo: | In 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 g L1 for metolachlor (MTC), 38 and 5.75×103 g L1 for erythromycin (ERT) and 27.1 and 93 g L1 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. |
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Sensitivity of freshwater and marine green algae to three compounds of emerging concernChlorophytaDunaliella tertiolectaErythromycinMetolachlorPseudokirchneriella subcapitataToxicity TriclosanToxicityTriclosanScience & TechnologyIn 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 g L1 for metolachlor (MTC), 38 and 5.75×103 g L1 for erythromycin (ERT) and 27.1 and 93 g L1 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.This 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 (NORTE01-0145-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).info:eu-repo/semantics/publishedVersionSpringer NatureUniversidade do MinhoMachado, Maria Manuela DiasSoares, Eduardo V.20192019-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/59089engMachado, Manuela D.; Soares, Eduardo V., Sensitivity of freshwater and marine green algae to three compounds of emerging concern. Journal of Applied Phycology, 31(1), 399-408, 20190921-89711573-517610.1007/s10811-018-1511-5http://www.springer.com/journal/10811/aboutinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:11:44Zoai:repositorium.sdum.uminho.pt:1822/59089Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:03:33.453699Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Sensitivity of freshwater and marine green algae to three compounds of emerging concern |
title |
Sensitivity of freshwater and marine green algae to three compounds of emerging concern |
spellingShingle |
Sensitivity of freshwater and marine green algae to three compounds of emerging concern Machado, Maria Manuela Dias Chlorophyta Dunaliella tertiolecta Erythromycin Metolachlor Pseudokirchneriella subcapitata Toxicity Triclosan Toxicity Triclosan Science & Technology |
title_short |
Sensitivity of freshwater and marine green algae to three compounds of emerging concern |
title_full |
Sensitivity of freshwater and marine green algae to three compounds of emerging concern |
title_fullStr |
Sensitivity of freshwater and marine green algae to three compounds of emerging concern |
title_full_unstemmed |
Sensitivity of freshwater and marine green algae to three compounds of emerging concern |
title_sort |
Sensitivity of freshwater and marine green algae to three compounds of emerging concern |
author |
Machado, Maria Manuela Dias |
author_facet |
Machado, Maria Manuela Dias Soares, Eduardo V. |
author_role |
author |
author2 |
Soares, Eduardo V. |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Machado, Maria Manuela Dias Soares, Eduardo V. |
dc.subject.por.fl_str_mv |
Chlorophyta Dunaliella tertiolecta Erythromycin Metolachlor Pseudokirchneriella subcapitata Toxicity Triclosan Toxicity Triclosan Science & Technology |
topic |
Chlorophyta Dunaliella tertiolecta Erythromycin Metolachlor Pseudokirchneriella subcapitata Toxicity Triclosan Toxicity Triclosan Science & Technology |
description |
In 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 g L1 for metolachlor (MTC), 38 and 5.75×103 g L1 for erythromycin (ERT) and 27.1 and 93 g L1 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. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019 2019-01-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/1822/59089 |
url |
http://hdl.handle.net/1822/59089 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Machado, Manuela D.; Soares, Eduardo V., Sensitivity of freshwater and marine green algae to three compounds of emerging concern. Journal of Applied Phycology, 31(1), 399-408, 2019 0921-8971 1573-5176 10.1007/s10811-018-1511-5 http://www.springer.com/journal/10811/about |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Springer Nature |
publisher.none.fl_str_mv |
Springer Nature |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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