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resumen

Abstract
Imazethapyr is an herbicide that is used in a variety of crops worldwide, including soybean and corn. The aim of the present study was to evaluate the biomarkers responses of adult Leptodactylus latinasus exposed to the formulation Pivot® H (10.59% imazethapyr) in the laboratory at concentrations and under conditions that simulate two potential field exposure scenarios: an immersion in field runoff (Scenario 1: 10 mg/L) and a direct exposure to the [ver mas...]
dc.contributor.authorPérez-Iglesias, Juan Manuel
dc.contributor.authorFanali, L.Z.
dc.contributor.authorFranco-Belussi, L.
dc.contributor.authorNatale, Guillermo Sebastián
dc.contributor.authorDe Oliveira, C.
dc.contributor.authorBrodeur, Celine Marie
dc.contributor.authorLarramendy, Marcelo L.
dc.date.accessioned2021-09-27T14:57:21Z
dc.date.available2021-09-27T14:57:21Z
dc.date.issued2021-08
dc.identifier.issn0090-4341
dc.identifier.issn1432-0703
dc.identifier.otherhttps://doi.org/10.1007/s00244-021-00880-w
dc.identifier.urihttp://hdl.handle.net/20.500.12123/10369
dc.identifier.urihttps://link.springer.com/article/10.1007/s00244-021-00880-w
dc.description.abstractImazethapyr is an herbicide that is used in a variety of crops worldwide, including soybean and corn. The aim of the present study was to evaluate the biomarkers responses of adult Leptodactylus latinasus exposed to the formulation Pivot® H (10.59% imazethapyr) in the laboratory at concentrations and under conditions that simulate two potential field exposure scenarios: an immersion in field runoff (Scenario 1: 10 mg/L) and a direct exposure to the droplets emitted by spray noozles (Scenario 2: 1000 mg/L). In both scenarios, the experimental procedure involved completely immersing the frogs over a period of 15 s. Different endpoints were evaluated at several ecotoxicological levels 48 and 96 h after the herbicide exposure. These included individual (biometric indices and behavior alterations), histological (liver pigments and lesions), biochemical (catalase, glutathione system and cholinesterase activities) and genotoxic effects (micronuclei induction and nuclear abnormalities). Forty-eight hours after imazethapyr exposure, frogs submitted to Scenario 1 presented an inhibition of liver glutathione-S-transferase activity, whereas histological alterations and increased hepatic cholinesterase levels were observed in frogs exposed under Scenario 2. Ninety-six hours after exposure to the imazethapyr formulation, frogs from the Scenario 1 treatment presented a decrease in liver melanin and hemosiderin, increased hepatic catalase activity and micronuclei induction. For their part, frogs exposed to Scenario 2 presented a decrease in the hepatosomatic index, an increase in liver alterations, melanin reduction and micronuclei induction. The multivariate analysis enables correlations to be made between biomarkers of different organizational level in exposed anurans. Our result indicates that real exposure to imazethapyr formulations under field conditions may pose a risk to Leptodactylus latinasus populations living in the agroecosystems.eng
dc.formatapplication/pdfes_AR
dc.language.isoenges_AR
dc.publisherSpringeres_AR
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_AR
dc.sourceArchives of Environmental Contamination and Toxicology (Published: 18 August 2021)es_AR
dc.subjectHerbicidases_AR
dc.subjectHerbicideseng
dc.subjectLeptodactylidaees_AR
dc.subjectRanaes_AR
dc.subjectFrogseng
dc.subjectAgroecosistemases_AR
dc.subjectAgroecosystemseng
dc.subjectAnura
dc.subject.otherImazethapyres_AR
dc.subject.otherLeptodactylus latinasuses_AR
dc.titleMultiple Level Effects of Imazethapyr on Leptodactylus latinasus (Anura) Adult Frogses_AR
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articlees_AR
dc.typeinfo:eu-repo/semantics/publishedVersiones_AR
dc.description.origenInstituto de Recursos Biológicoses_AR
dc.description.filFil: Pérez-Iglesias, Juan Manuel. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Centro de Investigaciones del Medio Ambiente (CIM); Argentinaes_AR
dc.description.filFil: Pérez-Iglesias, Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones del Medio Ambiente (CIM); Argentinaes_AR
dc.description.filFil: Pérez-Iglesias, Juan Manuel. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Citología; Argentinaes_AR
dc.description.filFil: Pérez-Iglesias, Juan Manuel. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentinaes_AR
dc.description.filFil: Pérez-Iglesias, Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química de San Luis; Argentinaes_AR
dc.description.filFil: Fanali, L.Z. Universidade Estadual Paulista. Departamento de Biologia; Brasiles_AR
dc.description.filFil: Franco-Belussi, L. Universidade Estadual Paulista. Departamento de Biologia; Brasiles_AR
dc.description.filFil: Franco-Belussi, L. Universidade Federal de Mato Grosso do Sul. Instituto de Biociências (INBIO). Laboratorio de Patologia Experimental (LAPEx); Brasiles_AR
dc.description.filFil: Natale, Guillermo S. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Química. Centro de Investigaciones del Medio Ambiente; Argentinaes_AR
dc.description.filFil: Natale, Guillermo S. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones del Medio Ambiente (CIM); Argentinaes_AR
dc.description.filFil: De Oliveira, C. Universidade Estadual Paulista. Departamento de Biologia; Brasiles_AR
dc.description.filFil: Brodeur, Celine Marie Julie. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Recursos Bilológicos; Argentinaes_AR
dc.description.filFil: Brodeur, Celine Marie Julie. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.es_AR
dc.description.filFil: Larramendy, Marcelo L. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Citología; Argentinaes_AR
dc.description.filFil: Larramendy, Marcelo L. Consejo Nacional de Investigaciones Científicas y Técnicas, Argentinaes_AR
dc.subtypecientifico


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