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dc.contributor.author
González, Paula Mariela
dc.contributor.author
Abelen, Daiana
dc.contributor.author
Puntarulo, Susana Ángela
dc.date.available
2022-12-27T18:16:33Z
dc.date.issued
2015-03
dc.identifier.citation
González, Paula Mariela; Abelen, Daiana; Puntarulo, Susana Ángela; Oxidative status of respiratory tissues of the bivalve Mya arenaria after exposure to excess dissolved iron; Taylor & Francis Ltd; Marine and Freshwater Behaviour and Physiology; 48; 2; 3-2015; 103-116
dc.identifier.issn
1023-6244
dc.identifier.uri
http://hdl.handle.net/11336/182594
dc.description.abstract
The gills and mantle are the first tissues exposed to altered oxidative conditions during dissolved Fe uptake. The aim of this work was to characterize Fe affected oxidative metabolism on the respiratory tissues of Mya arenaria. After 9 days of exposure to elevated Fe levels (500 μM of Fe as Fe-EDTA), a significant increase in the total Fe and labile Fe pool content was found in the gills. Dichlorofluorescein diacetate oxidation rate was higher after 17 days of exposure as compared to controls. Thiobarbituric acid reactive substances content increased 1.9- and 3.7-fold over controls on day 9 and 17, respectively. Both, catalase activity and nitrate and nitrite content decreased significantly on days 9 and 17 compared with controls. Similar effects were observed in mantle, but catalase activity was not affected. The results showed that in respiratory tissues the labile Fe pool is critically controlled to avoid radical-dependent cellular deterioration, but when the endogenous protection mechanisms are overwhelmed, tissue injury was observed.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Taylor & Francis Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BIVALVE
dc.subject
EXCESS IRON (FE)
dc.subject
GILLS AND MANTLE TISSUES
dc.subject
MYA ARENARIA
dc.subject
OXIDATIVE STRESS
dc.subject.classification
Bioquímica y Biología Molecular
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Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Oxidative status of respiratory tissues of the bivalve Mya arenaria after exposure to excess dissolved iron
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-12-27T12:20:53Z
dc.identifier.eissn
1029-0362
dc.journal.volume
48
dc.journal.number
2
dc.journal.pagination
103-116
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: González, Paula Mariela. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Bioquímica y Medicina Molecular. Universidad de Buenos Aires. Facultad Medicina. Instituto de Bioquímica y Medicina Molecular; Argentina
dc.description.fil
Fil: Abelen, Daiana. Alfred-Wegener-Institut. Helmholtz-Zentrum für Polar und Meeresforschung; Alemania
dc.description.fil
Fil: Puntarulo, Susana Ángela. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Bioquímica y Medicina Molecular. Universidad de Buenos Aires. Facultad Medicina. Instituto de Bioquímica y Medicina Molecular; Argentina
dc.journal.title
Marine and Freshwater Behaviour and Physiology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/10236244.2015.1004839
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/abs/10.1080/10236244.2015.1004839
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