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Wild juvenile Dicentrarchus labrax L. liver antioxidant and damage responses at Aveiro Lagoon, Portugal

2009Journal article Restricted access
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dc.contributor.authorMaria, Vera L.
dc.contributor.authorAhmad, I.
dc.contributor.authorOliveira, M.
dc.contributor.authorSerafim, Angela
dc.contributor.authorBebianno, Maria João
dc.contributor.authorPacheco, M.
dc.contributor.authorSantos, M. A.
dc.date.accessioned2020-04-29T17:16:44Z
dc.date.available2020-04-29T17:16:44Z
dc.date.issued2009
dc.description.abstractThe Aveiro Lagoon, at the north-western coast of Portugal, has been under considerable anthropogenic pressure for the last 5 decades. In order to perform an adequate survey of the effects induced by the contaminants in presence, wild juveniles Dicentrarchus labrax (sea bass) were selected. Thus, sea bass was captured at five sites: Torreira (TOR, as reference site), Gafanha (GAF), Rio Novo Príncipe (RIO), Laranjo (LAR) and Vagos (VAG) in autumn 2005. Liver defence responses such as catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), glutathione S-transferase (GST), total glutathione (GSHt), total non-protein thiols (NP-SH) and metallothioneins (MT) were measured. Liver damage was determined as lipid peroxidation (LPO) and DNA integrity loss. RIO, LAR and VAG presented lower CAT, GR, GST activities and NP-SH and GSHt depletion in comparison to TOR. VAG and LAR showed higher GPx activity when compared to TOR. The highest MT level was found at GAF and VAG. The NP-SH and DNA integrity decreased at GAF compared to TOR. This field study demonstrated that not only antioxidant induction but also inhibitory responses must be considered as a signal of contamination.pt_PT
dc.description.sponsorshipFCT (SFRH/BPD/34326/2006)pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doihttps://doi.org/10.1016/j.ecoenv.2009.06.001pt_PT
dc.identifier.issn0147-6513
dc.identifier.urihttp://hdl.handle.net/10400.1/13809
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0147651309001328?via%3Dihubpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectFishpt_PT
dc.subjectD. labraxpt_PT
dc.subjectGenotoxicitypt_PT
dc.subjectOxidative stresspt_PT
dc.subjectMetalothioneinspt_PT
dc.subjectLiverpt_PT
dc.subjectPortugalpt_PT
dc.subjectAveiro Lagoonpt_PT
dc.titleWild juvenile Dicentrarchus labrax L. liver antioxidant and damage responses at Aveiro Lagoon, Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POCI/POCI%2FMAR%2F61195%2F2004/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F26970%2F2006/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F27584%2F2006/PT
oaire.citation.endPage1870pt_PT
oaire.citation.issue7pt_PT
oaire.citation.startPage1861pt_PT
oaire.citation.titleEcotoxicology and Environmental Safetypt_PT
oaire.citation.volume72pt_PT
oaire.fundingStreamPOCI
oaire.fundingStreamSFRH
oaire.fundingStreamSFRH
person.familyNameMaria
person.familyNamePereira Serafim
person.familyNameBebianno
person.givenNameVera Lúcia
person.givenNameMaria Angela
person.givenNameMaria
person.identifier.ciencia-id7C1D-5627-D3BC
person.identifier.ciencia-id9C18-090A-5E3D
person.identifier.ciencia-id2B11-46AC-B94B
person.identifier.orcid0000-0002-0331-3489
person.identifier.orcid0000-0002-1165-0645
person.identifier.orcid0000-0003-1492-8566
person.identifier.ridI-5142-2013
person.identifier.scopus-author-id7004664869
person.identifier.scopus-author-id7004152715
project.funder.identifierhttp://doi.org/10.13039/501100001871
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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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