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Cypermethrin-based formulation Barrage® induces histological changes in gills of the Pantanal endemic shrimp Macrobrachium pantanalense.
Soares, Mayara Pereira; Oliveira, Natália; Rebelo, Daniela; Marcondes, Sandriely Fernanda; Fernandes, Carlos Eurico; Domingues, Inês; Soares, Amadeu; Hayd, Liliam.
Afiliação
  • Soares MP; Department of Biology and CESAM, University of Aveiro, Santiago Campus, 3810-193 Aveiro, Portugal; Programa de Pós-Graduação em Zootecnia, Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Aquidauana, Rodovia Aquidauana-UEMS Km 12, Cx Postal 25- CEP, 79200-000, Aquidauana, MS, Br
  • Oliveira N; Laboratório de Genética Toxicológica, IB, bloco F, térreo, Universidade de Brasília, Campus Darcy Ribeiro Asa Norte, Brasília, DF 70919-970, Brazil.
  • Rebelo D; Department of Biology and CESAM, University of Aveiro, Santiago Campus, 3810-193 Aveiro, Portugal.
  • Marcondes SF; Laboratório de Patologia Experimental-LAPEx, Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil.
  • Fernandes CE; Laboratório de Patologia Experimental-LAPEx, Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil.
  • Domingues I; Department of Biology and CESAM, University of Aveiro, Santiago Campus, 3810-193 Aveiro, Portugal. Electronic address: inesd@ua.pt.
  • Soares A; Department of Biology and CESAM, University of Aveiro, Santiago Campus, 3810-193 Aveiro, Portugal.
  • Hayd L; Programa de Pós-Graduação em Zootecnia, Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Aquidauana, Rodovia Aquidauana-UEMS Km 12, Cx Postal 25- CEP, 79200-000, Aquidauana, MS, Brazil.
Environ Toxicol Pharmacol ; 67: 66-72, 2019 Apr.
Article em En | MEDLINE | ID: mdl-30743231
Pantanal shrimp Macrobrachium pantanalense was exposed for 96 h to the cypermethrin-based formulation Barrage®. Population-relevant endpoints (survival, swimming behavior) as well as histopathology of gills were analyzed. A 96 h-LC50 of 0.93 µg/L of cypermethrin was calculated while equilibrium disturbances were observed at 1.25 µg/L. Histological examination showed predominantly regressive changes in the gills of shrimp exposed to concentrations of 0.25 and 1.25 µg/L. Three levels of lesions were observed in the gills: I- Intercellular edema, epithelial lifting of the lamellae and lamellar fusion, fat vacuoles and hypertrophy of gill epithelial cells or mucous cells; II- nuclear changes, atrophy (reduction of volume and number) and hyperplasia of gill epithelia and III- necrosis. This study shows the high sensitivity of the shrimp M. pantanalense to the pesticide Barrage® highlighting the importance of monitoring agrochemicals residues in the Pantanal region (Brazil) and conduct risk evaluation studies to prevent deleterious effects on the aquatic communities of Pantanal.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Piretrinas / Poluentes Químicos da Água / Palaemonidae / Brânquias / Inseticidas Limite: Animals Idioma: En Revista: Environ Toxicol Pharmacol Ano de publicação: 2019 Tipo de documento: Article País de publicação: Holanda
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Piretrinas / Poluentes Químicos da Água / Palaemonidae / Brânquias / Inseticidas Limite: Animals Idioma: En Revista: Environ Toxicol Pharmacol Ano de publicação: 2019 Tipo de documento: Article País de publicação: Holanda