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Iummato MM, Sabatini SE, Rocchetta I, Yusseppone MS, Del Carmen Ríos de Molina M, Juárez ÁB. Oxidative stress in the bivalve Diplodon chilensis under direct and dietary glyphosate-based formulation exposure. Environ Sci Pollut Res Int 2024; 31:23610-23622. [PMID: 38418793 DOI: 10.1007/s11356-024-32639-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 02/21/2024] [Indexed: 03/02/2024]
Abstract
The aim of this study was to evaluate and compare the effects on biochemical parameters and organosomatic indices in the freshwater bivalve Diplodon chilensis exposed to a glyphosate-based formulation under direct and dietary exposures (4 mg a.p./L). After 1, 7, and 14 days of exposure, reduced glutathione (GSH) and thiobarbituric acid reactive substances (TBARS) levels and the activities of glutathione-S- transferase (GST), superoxide dismutase (SOD), and catalase (CAT) were evaluated in the gills and digestive gland. The hepatosomatic (HSI) and branchiosomatic (BSI) indices were also analyzed. Direct and dietary glyphosate-based formulation exposure altered the redox homeostasis in the gills and digestive gland throughout the experimental time, inducing the detoxification response (GST), the antioxidant defenses (SOD, CAT, GSH), and causing lipid peroxidation. After 14 days of exposure, the HSI and BSI increased significantly (43% and 157%, respectively) only in the bivalves under direct exposure. Greater changes in the biochemical parameters were induced by the dietary exposure than by the direct exposure. Furthermore, the gills presented an earlier response compared to the digestive gland. These results suggested that direct and dietary exposure to a glyphosate-based formulation induced oxidative stress in the gills and digestive glands of D. chilensis. Thus, the presence of glyphosate-based formulations in aquatic ecosystems could represent a risk for filter-feeding organisms like bivalves.
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Affiliation(s)
- María Mercedes Iummato
- Faculty of Exact and Natural Sciences, Department of Biological Chemistry, University of Buenos Aires, Buenos Aires, Argentina
- Aquatic Ecotoxicology Laboratory, Research Institute in the Environment and Biodiversity (INIBIOMA), CONICET-National University of Comahue, Neuquén, Argentina
| | - Sebastián Eduardo Sabatini
- Institute of Biological Chemistry of the Faculty of Exact and Natural Sciences (IQUIBICEN), CONICET, University of Buenos Aires, Buenos Aires, Argentina
- Faculty of Exact and Natural Sciences, Department of Biodiversity and Experimental Biology, University of Buenos Aires, Buenos Aires, Argentina
| | - Iara Rocchetta
- Faculty of Exact and Natural Sciences, Department of Biological Chemistry, University of Buenos Aires, Buenos Aires, Argentina
- Aquatic Ecotoxicology Laboratory, Research Institute in the Environment and Biodiversity (INIBIOMA), CONICET-National University of Comahue, Neuquén, Argentina
| | - María Soledad Yusseppone
- Faculty of Exact and Natural Sciences, Department of Biological Chemistry, University of Buenos Aires, Buenos Aires, Argentina
- Ecology Laboratory, Institute of Marine and Coastal Research (IIMYC), CONICET-National University of Mar del Plata, Mar del Plata, Argentina
| | - María Del Carmen Ríos de Molina
- Faculty of Exact and Natural Sciences, Department of Biological Chemistry, University of Buenos Aires, Buenos Aires, Argentina
- Institute of Biological Chemistry of the Faculty of Exact and Natural Sciences (IQUIBICEN), CONICET, University of Buenos Aires, Buenos Aires, Argentina
| | - Ángela Beatriz Juárez
- Faculty of Exact and Natural Sciences, Department of Biological Chemistry, University of Buenos Aires, Buenos Aires, Argentina.
- Faculty of Exact and Natural Sciences, Department of Biodiversity and Experimental Biology, University of Buenos Aires, Buenos Aires, Argentina.
- Institute of Biodiversity and Applied and Experimental Biology (IBBEA UBA), CONICET, University of Buenos Aires, Intendente Güiraldes 2160, C1428EGA, Buenos Aires, Argentina.
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