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dc.contributor.author
Andrioli, Nancy Beatriz
dc.contributor.author
Sabatini, Sebastian Eduardo
dc.contributor.author
Mudry, Marta Dolores
dc.contributor.author
Ríos de Molina, María del Carmen
dc.date.available
2023-04-26T15:32:34Z
dc.date.issued
2012-03
dc.identifier.citation
Andrioli, Nancy Beatriz; Sabatini, Sebastian Eduardo; Mudry, Marta Dolores; Ríos de Molina, María del Carmen; Oxidative damage and antioxidant response of Allium cepa meristematic and elongation cells exposed to metronidazole; Society of Environmental Toxicology and Chemistry; Environmental Toxicology and Chemistry; 31; 5; 3-2012; 968-972
dc.identifier.issn
0730-7268
dc.identifier.uri
http://hdl.handle.net/11336/195446
dc.description.abstract
The toxicity of metronidazole (MTZ) in meristematic and elongation zones of Allium cepa roots was analyzed for 30h of exposition. Toxic effects were evaluated by lipid peroxidation (content of thiobarbituric-reactive substances [TBARS]), reduced glutathione (GSH) levels, ascorbate acid and dehydroascorbate acid content, and enzymatic activities of superoxide dismutase and catalase. The root zones showed differentiated susceptibility to MTZ. In the elongation zone, MTZ induced an increase of TBARS content and a significant rise in GSH levels, whereas in the meristematic zone, lipid peroxidation was not observed and all antioxidant defense parameters analyzed were significantly increased. These results indicate that MTZ exposure induced oxidative stress in A. cepa roots, and that the antioxidant defenses in the meristematic zone are more efficient compared with the elongation zone, which is probably related to higher oxidative metabolism of meristematic tissue.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Society of Environmental Toxicology and Chemistry
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ALLIUM CEPA
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ANTIOXIDANT DEFENSES
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METRONIDAZOLE
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OXIDATIVE STRESS
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Otras Ciencias de la Salud
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Ciencias de la Salud
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CIENCIAS MÉDICAS Y DE LA SALUD
dc.title
Oxidative damage and antioxidant response of Allium cepa meristematic and elongation cells exposed to metronidazole
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-04-26T10:44:45Z
dc.journal.volume
31
dc.journal.number
5
dc.journal.pagination
968-972
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Andrioli, Nancy Beatriz. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina
dc.description.fil
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
dc.description.fil
Fil: Mudry, Marta Dolores. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina
dc.description.fil
Fil: Ríos de Molina, María del Carmen. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina
dc.journal.title
Environmental Toxicology and Chemistry
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://setac.onlinelibrary.wiley.com/doi/abs/10.1002/etc.1799
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1002/etc.1799
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