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Viana NP, da Silva LCM, Portruneli N, Soares MP, Cardoso IL, Bonansea RI, Goulart BV, Montagner CC, Espíndola ELG, Wunderlin DA, Fernandes MN. Bioconcentration and toxicological impacts of fipronil and 2,4-D commercial formulations (single and in mixture) in the tropical fish, Danio rerio. Environ Sci Pollut Res Int 2022; 29:11685-11698. [PMID: 34546525 DOI: 10.1007/s11356-021-16352-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/31/2021] [Indexed: 06/13/2023]
Abstract
The insecticide fipronil and the herbicide 2,4-D are the most applied pesticides in sugarcane crops leading to aquatic contamination. The whole-body bioconcentration of fipronil and 2,4-D, single and in mixture, was evaluated in Danio rerio after 96-h exposure. The activities of catalase (CAT) and glutathione S-transferase(GST) in whole body and in the gills and the acetylcholinesterase (AChE) in muscle were determined. The gill histopathology and the morphology of the pavement (PVC) and the mitochondria-rich(MRC) cells at gill surface were analyzed. Bioconcentration occurred after exposure to fipronil (2.69 L kg-1) and 2,4-D (1.73 L kg-1) single and in mixture of fipronil (3.10 L kg-1) and 2,4-D (1.27 L kg-1). Whole-body CAT activity was unchanged, and its activity decreased in the gills after exposure to fipronil and increased after exposure to 2,4-D and mixture. GST and AChE increased after single exposure to each pesticide and mixture of both. Fish exposed to mixture increased the MRC fractional area (MRCFA) which suggested possible ionic regulation disturbance and reduced the microridge of the PVC surface. Synergistic interactions occurred in the CAT activity and MRCFA after exposure to mixture of pesticides. The results indicate that the recommended application dose of fipronil and 2,4-D, single or in mixture, for sugarcane crops affects this fish species altering its homeostasis.
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Affiliation(s)
- Natália Prudêncio Viana
- Programa de Pós-graduação em Ecologia e Recursos Naturais, Universidade Federal de São Carlos, Rodovia Washington Luiz, km 235, São Carlos, São Paulo, 13565-905, Brazil
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz, km 235, São Carlos, SP, 13565-905, Brazil
| | - Laís Conceição Menezes da Silva
- Programa de Pós-graduação em Ciências da Engenharia Ambiental, Escola de Engenharia de São Carlos (NEEA/CRHEA/SHS), Universidade de São Paulo, Av. Trabalhador São-Carlense, 400, São Carlos, SP, 13566-590, Brazil
| | - Natália Portruneli
- Programa de Pós-graduação em Ecologia e Recursos Naturais, Universidade Federal de São Carlos, Rodovia Washington Luiz, km 235, São Carlos, São Paulo, 13565-905, Brazil
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz, km 235, São Carlos, SP, 13565-905, Brazil
| | - Michelly Pereira Soares
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz, km 235, São Carlos, SP, 13565-905, Brazil
- Programa Interinstitucional de Pós-graduação em Ciências Fisiológicas, Universidade Federal de São Carlos/Universidade Estadual de São Paulo, Rodovia Washington Luiz, km 235, São Carlos, São Paulo, 13565-905, Brazil
| | - Israel Luz Cardoso
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz, km 235, São Carlos, SP, 13565-905, Brazil
- Programa Interinstitucional de Pós-graduação em Ciências Fisiológicas, Universidade Federal de São Carlos/Universidade Estadual de São Paulo, Rodovia Washington Luiz, km 235, São Carlos, São Paulo, 13565-905, Brazil
| | - Rocío Inés Bonansea
- Faculdade de Ciências Químicas, Universidade Nacional de Córdoba, Córdoba, Argentina
| | - Bianca Veloso Goulart
- Instituto de Química, Universidade de Campinas (UNICAMP), Cidade Universitária Zeferino Vaz, Campinas, SP, 13083-970, Brazil
| | - Cassiana Carolina Montagner
- Instituto de Química, Universidade de Campinas (UNICAMP), Cidade Universitária Zeferino Vaz, Campinas, SP, 13083-970, Brazil
| | - Evaldo Luiz Gaeta Espíndola
- Programa de Pós-graduação em Ciências da Engenharia Ambiental, Escola de Engenharia de São Carlos (NEEA/CRHEA/SHS), Universidade de São Paulo, Av. Trabalhador São-Carlense, 400, São Carlos, SP, 13566-590, Brazil
| | | | - Marisa Narciso Fernandes
- Programa de Pós-graduação em Ecologia e Recursos Naturais, Universidade Federal de São Carlos, Rodovia Washington Luiz, km 235, São Carlos, São Paulo, 13565-905, Brazil.
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz, km 235, São Carlos, SP, 13565-905, Brazil.
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Portruneli N, Bonansea RI, Valdés ME, da Silva LCM, Viana NP, Goulart BV, Souza IDC, Espíndola ELG, Montagner CC, Wunderlin DA, Fernandes MN. Whole-body bioconcentration and biochemical and morphological responses of gills of the neotropical fish Prochilodus lineatus exposed to 2,4-dichlorophenoxyacetic acid or fipronil individually or in a mixture. Aquat Toxicol 2021; 240:105987. [PMID: 34644674 DOI: 10.1016/j.aquatox.2021.105987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 09/16/2021] [Accepted: 09/30/2021] [Indexed: 06/13/2023]
Abstract
The herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) and the insecticide fipronil have been used widely in agriculture and detected in aquatic ecosystems, where they threaten wildlife. This study evaluated the whole-body bioconcentration and the biochemical and morphological changes in the gills of the neotropical fish Prochilodus lineatus exposed for 96 h to 2,4-D or fipronil as single compounds or as a mixture (2,4-D + fipronil). Fish exposed to either compound alone bioconcentrated 2,4-D (77 ± 23 ng g - 1 fish dry mass) and fipronil (789 ± 178 ng g - 1 fish dry mass). Fish exposed to 2,4-D + fipronil bioconcentrated fipronil (683 ± 73 ng g - 1 fish dry mass) but not 2,4-D. In the gills, catalase (CAT) and glutathione-S-transferase (GST) activities and the lipid peroxidation (LPO) level increased after exposure to 2,4-D. GST activity increased after exposure to fipronil. Conversely, no changes occurred in CAT and GST activities and LPO upon exposure to 2,4-D + fipronil. Histopathological changes such as hyperplasia, cellular hypertrophy, epithelial lifting, and vascular congestion were frequent in the gills of fish exposed to 2,4-D or fipronil individually or 2,4-D + fipronil. The mitochondria-rich cell (MRC) density increased on gill surface in fish exposed to fipronil or 2,4-D + fipronil. Only exposure to 2,4-D alone induced oxidative stress in the gills. Most morphological changes showed defense responses against the pesticides; however, hypertrophy and the change in MRC indicated compensatory responses to maintain the gill osmoregulatory function. The 2,4-D + fipronil mixture showed antagonistic interaction, except for the MRC fractional area at gill surface, which showed synergistic interaction. This is the first report showing antagonistic interaction of 2,4-D and fipronil in the gills after exposing fish to the mixture of both pesticides. The biochemical and morphological changes in gills endanger the gill functions, a phenomenon that implies an energy cost for fish.
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Affiliation(s)
- Natália Portruneli
- Programa de Pós-graduação em Ecologia e Recursos Naturais, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz km 235, 13565-905 São Carlos, SP, Brazil; Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz km 235, 13565-905 São Carlos, SP, Brasil
| | - Rocío Inés Bonansea
- ICYTAC: Instituto de Ciencia e Tecnologia de Alimentos Córdoba, CONICET e Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba - UNC, Córdoba, Argentina
| | - Maria Eugenia Valdés
- ICYTAC: Instituto de Ciencia e Tecnologia de Alimentos Córdoba, CONICET e Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba - UNC, Córdoba, Argentina
| | | | - Natália Prudêncio Viana
- Programa de Pós-graduação em Ecologia e Recursos Naturais, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz km 235, 13565-905 São Carlos, SP, Brazil; Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz km 235, 13565-905 São Carlos, SP, Brasil
| | - Bianca V Goulart
- Instituto de Química, Universidade Estadual de Campinas (UNICAMP), Cidade Universitária Zeferino Vaz, Campinas, SP, Brasil
| | - Iara da Costa Souza
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz km 235, 13565-905 São Carlos, SP, Brasil
| | | | - Cassiana Carolina Montagner
- Instituto de Química, Universidade Estadual de Campinas (UNICAMP), Cidade Universitária Zeferino Vaz, Campinas, SP, Brasil
| | - Daniel Alberto Wunderlin
- ICYTAC: Instituto de Ciencia e Tecnologia de Alimentos Córdoba, CONICET e Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba - UNC, Córdoba, Argentina
| | - Marisa Narciso Fernandes
- Programa de Pós-graduação em Ecologia e Recursos Naturais, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz km 235, 13565-905 São Carlos, SP, Brazil; Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luiz km 235, 13565-905 São Carlos, SP, Brasil.
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