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dc.contributor.author
Wilhelm Filho, Danilo
dc.contributor.author
Fraga, César Guillermo
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dc.contributor.author
Boveris, Alberto Antonio
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dc.date.available
2018-06-05T21:51:28Z
dc.date.issued
2017-09
dc.identifier.citation
Wilhelm Filho, Danilo; Fraga, César Guillermo; Boveris, Alberto Antonio; Seasonal and ontogenetic changes modulate oxygen consumption and antioxidant defenses in the cutlassfish Trichiurus lepturus (Pisces, Trichiuridae)
; Elsevier Science Inc; Comparative Biochemistry And Physiology. Toxicology & Pharmacology; 199; 9-2017; 90-97
dc.identifier.issn
1532-0456
dc.identifier.uri
http://hdl.handle.net/11336/47424
dc.description.abstract
Several oxidative stress markers and liver oxygen consumption were measured in different tissues of the marine fish Trichiurus lepturus in late summer and late winter, as well as in juveniles and adult females. Oxygen consumption in liver, superoxide dismutase (SOD) and catalase (CAT) activity in liver, red cells, lens and roe, vitamin E, ubiquinol10, β-carotene in liver, red cells, and roe, as well as contents of reduced glutathione (GSH) and lipoperoxidation (TBARS) in red cells were evaluated. Regarding ontogeny, compared to adult fish, juveniles showed significant higher SOD activity in liver and lens, as well as higher liver contents of vitamin E. In contrast, adult females showed higher contents of vitamin E in roe, ubiquinol10 in liver and roe, and higher GSH levels in red cells, while the other markers remained unchanged. Regarding seasonal changes, no differences were detected in adult females for liver CAT and ubiquinol10, CAT in roe, vitamin E in roe and in red cells, liver and red cell ubiquinol10, and in GSH in red cells. However, and coinciding with the spawning period of late summer, liver oxygen consumption, SOD and CAT activity and ubiquinol10 contents in roe and SOD activity in red cells, and red cell TBARS contents were higher compared to late winter. These temporal antioxidant adjustments of Trichiurus lepturus seem to be parallel to the higher oxygen consumption typical of juvenile forms and also to the intense spawning and foraging activities of adult females in late summer.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Adaptation
dc.subject
Antioxidants
dc.subject
Fish
dc.subject
Ontogeny
dc.subject
Oxygen Consumption
dc.subject
Seasonal Variation
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Seasonal and ontogenetic changes modulate oxygen consumption and antioxidant defenses in the cutlassfish Trichiurus lepturus (Pisces, Trichiuridae)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-05T20:04:38Z
dc.journal.volume
199
dc.journal.pagination
90-97
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Wilhelm Filho, Danilo. Universidade Federal de Santa Catarina; Brasil
dc.description.fil
Fil: Fraga, César Guillermo. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Boveris, Alberto Antonio. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Comparative Biochemistry And Physiology. Toxicology & Pharmacology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.cbpc.2017.03.013
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1532045617300765
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