Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis
- Autores
- Sabatini, Sebastian Eduardo; Rocchetta, Iara; Nahabedian, Daniel Eduardo; Luquet, Carlos Marcelo; Eppis, Maria Rosa; Bianchi, Laura; Rios, Maria del Carmen
- Año de publicación
- 2011
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The aim of this work was to study the oxidative stress effects and histological alterations caused by dietary copper on the filter-feeding freshwater mussel Diplodon chilensis. Bivalves were fed during 6 weeks with the green algae Scenedesmus vacuolatus previously exposed to copper. Metal concentration in algae cultures and bivalve digestive gland was measured by TXRF. A maximum accumulation of 0.49 μg Cu/mg protein was detected at week 6. Also at this week, the hepatosomatic index (HSI) showed the highest decrease (50%) in response to Cu exposure. SOD and GST activities were significantly increased at weeks 4, 5 and 6, reaching an activity on average 50% higher than in controls for GST. CAT activity and GSH increased significantly at weeks 5 and 6. Despite this response, oxidative damage measured as TBARS and carbonyl groups contents increased significantly at weeks 4, 5 and 6, respectively. Digestive tubule and duct atrophy and cell-type replacement in treated mussels were observed by histological studies. The presence of intracellular rhodanine-positive granules, suggests copper accumulation in intracellular vacuoles of digestive cells. © 2011 Elsevier Inc. All rights reserved.
Fil: Sabatini, Sebastian Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; Argentina
Fil: Rocchetta, Iara. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina
Fil: Nahabedian, Daniel Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; Argentina
Fil: Luquet, Carlos Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Eppis, Maria Rosa. Comisión Nacional de Energía Atómica; Argentina
Fil: Bianchi, Laura. Comisión Nacional de Energía Atómica; Argentina
Fil: Rios, Maria del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina - Materia
-
Antioxidant Defenses
Dietary Copper
Diplodon Chilensis
Metal Bioaccumulation
Oxidative Stress - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/64847
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Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensisSabatini, Sebastian EduardoRocchetta, IaraNahabedian, Daniel EduardoLuquet, Carlos MarceloEppis, Maria RosaBianchi, LauraRios, Maria del CarmenAntioxidant DefensesDietary CopperDiplodon ChilensisMetal BioaccumulationOxidative Stresshttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The aim of this work was to study the oxidative stress effects and histological alterations caused by dietary copper on the filter-feeding freshwater mussel Diplodon chilensis. Bivalves were fed during 6 weeks with the green algae Scenedesmus vacuolatus previously exposed to copper. Metal concentration in algae cultures and bivalve digestive gland was measured by TXRF. A maximum accumulation of 0.49 μg Cu/mg protein was detected at week 6. Also at this week, the hepatosomatic index (HSI) showed the highest decrease (50%) in response to Cu exposure. SOD and GST activities were significantly increased at weeks 4, 5 and 6, reaching an activity on average 50% higher than in controls for GST. CAT activity and GSH increased significantly at weeks 5 and 6. Despite this response, oxidative damage measured as TBARS and carbonyl groups contents increased significantly at weeks 4, 5 and 6, respectively. Digestive tubule and duct atrophy and cell-type replacement in treated mussels were observed by histological studies. The presence of intracellular rhodanine-positive granules, suggests copper accumulation in intracellular vacuoles of digestive cells. © 2011 Elsevier Inc. All rights reserved.Fil: Sabatini, Sebastian Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; ArgentinaFil: Rocchetta, Iara. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; ArgentinaFil: Nahabedian, Daniel Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; ArgentinaFil: Luquet, Carlos Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Eppis, Maria Rosa. Comisión Nacional de Energía Atómica; ArgentinaFil: Bianchi, Laura. Comisión Nacional de Energía Atómica; ArgentinaFil: Rios, Maria del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; ArgentinaElsevier Science Inc2011-11info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/64847Sabatini, Sebastian Eduardo; Rocchetta, Iara; Nahabedian, Daniel Eduardo; Luquet, Carlos Marcelo; Eppis, Maria Rosa; et al.; Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis; Elsevier Science Inc; Comparative Biochemistry And Physiology. Toxicology & Pharmacology; 154; 4; 11-2011; 391-3981532-0456CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.cbpc.2011.07.009info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1532045611001463info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:32:59Zoai:ri.conicet.gov.ar:11336/64847instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:32:59.933CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis |
title |
Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis |
spellingShingle |
Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis Sabatini, Sebastian Eduardo Antioxidant Defenses Dietary Copper Diplodon Chilensis Metal Bioaccumulation Oxidative Stress |
title_short |
Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis |
title_full |
Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis |
title_fullStr |
Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis |
title_full_unstemmed |
Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis |
title_sort |
Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis |
dc.creator.none.fl_str_mv |
Sabatini, Sebastian Eduardo Rocchetta, Iara Nahabedian, Daniel Eduardo Luquet, Carlos Marcelo Eppis, Maria Rosa Bianchi, Laura Rios, Maria del Carmen |
author |
Sabatini, Sebastian Eduardo |
author_facet |
Sabatini, Sebastian Eduardo Rocchetta, Iara Nahabedian, Daniel Eduardo Luquet, Carlos Marcelo Eppis, Maria Rosa Bianchi, Laura Rios, Maria del Carmen |
author_role |
author |
author2 |
Rocchetta, Iara Nahabedian, Daniel Eduardo Luquet, Carlos Marcelo Eppis, Maria Rosa Bianchi, Laura Rios, Maria del Carmen |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
Antioxidant Defenses Dietary Copper Diplodon Chilensis Metal Bioaccumulation Oxidative Stress |
topic |
Antioxidant Defenses Dietary Copper Diplodon Chilensis Metal Bioaccumulation Oxidative Stress |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The aim of this work was to study the oxidative stress effects and histological alterations caused by dietary copper on the filter-feeding freshwater mussel Diplodon chilensis. Bivalves were fed during 6 weeks with the green algae Scenedesmus vacuolatus previously exposed to copper. Metal concentration in algae cultures and bivalve digestive gland was measured by TXRF. A maximum accumulation of 0.49 μg Cu/mg protein was detected at week 6. Also at this week, the hepatosomatic index (HSI) showed the highest decrease (50%) in response to Cu exposure. SOD and GST activities were significantly increased at weeks 4, 5 and 6, reaching an activity on average 50% higher than in controls for GST. CAT activity and GSH increased significantly at weeks 5 and 6. Despite this response, oxidative damage measured as TBARS and carbonyl groups contents increased significantly at weeks 4, 5 and 6, respectively. Digestive tubule and duct atrophy and cell-type replacement in treated mussels were observed by histological studies. The presence of intracellular rhodanine-positive granules, suggests copper accumulation in intracellular vacuoles of digestive cells. © 2011 Elsevier Inc. All rights reserved. Fil: Sabatini, Sebastian Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; Argentina Fil: Rocchetta, Iara. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina Fil: Nahabedian, Daniel Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; Argentina Fil: Luquet, Carlos Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina Fil: Eppis, Maria Rosa. Comisión Nacional de Energía Atómica; Argentina Fil: Bianchi, Laura. Comisión Nacional de Energía Atómica; Argentina Fil: Rios, Maria del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina |
description |
The aim of this work was to study the oxidative stress effects and histological alterations caused by dietary copper on the filter-feeding freshwater mussel Diplodon chilensis. Bivalves were fed during 6 weeks with the green algae Scenedesmus vacuolatus previously exposed to copper. Metal concentration in algae cultures and bivalve digestive gland was measured by TXRF. A maximum accumulation of 0.49 μg Cu/mg protein was detected at week 6. Also at this week, the hepatosomatic index (HSI) showed the highest decrease (50%) in response to Cu exposure. SOD and GST activities were significantly increased at weeks 4, 5 and 6, reaching an activity on average 50% higher than in controls for GST. CAT activity and GSH increased significantly at weeks 5 and 6. Despite this response, oxidative damage measured as TBARS and carbonyl groups contents increased significantly at weeks 4, 5 and 6, respectively. Digestive tubule and duct atrophy and cell-type replacement in treated mussels were observed by histological studies. The presence of intracellular rhodanine-positive granules, suggests copper accumulation in intracellular vacuoles of digestive cells. © 2011 Elsevier Inc. All rights reserved. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-11 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/64847 Sabatini, Sebastian Eduardo; Rocchetta, Iara; Nahabedian, Daniel Eduardo; Luquet, Carlos Marcelo; Eppis, Maria Rosa; et al.; Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis; Elsevier Science Inc; Comparative Biochemistry And Physiology. Toxicology & Pharmacology; 154; 4; 11-2011; 391-398 1532-0456 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/64847 |
identifier_str_mv |
Sabatini, Sebastian Eduardo; Rocchetta, Iara; Nahabedian, Daniel Eduardo; Luquet, Carlos Marcelo; Eppis, Maria Rosa; et al.; Oxidative stress and histological alterations produced by dietary copper in the fresh water bivalve Diplodon chilensis; Elsevier Science Inc; Comparative Biochemistry And Physiology. Toxicology & Pharmacology; 154; 4; 11-2011; 391-398 1532-0456 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.cbpc.2011.07.009 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1532045611001463 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Science Inc |
publisher.none.fl_str_mv |
Elsevier Science Inc |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.070432 |