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Habitat differences affect the nuclear morphology of the erythrocytes and the hepatic melanin in Leptodactylus fuscus (Anura) in the Brazilian Cerrado savanna.
Assis, Rhayane Alves; Rezende, Wadson Rodrigues; Dos Santos, Cirley Gomes Araújo; Benvindo-Souza, Marcelino; Amorim, Nathan Pereira Lima; Borges, Rinneu Elias; Franco-Belussi, Lilian; De Oliveira, Classius; de Souza Santos, Lia Raquel.
Afiliação
  • Assis RA; Laboratory of Ecotoxicology and Animal Systematics (EcotoxSA), Goiano Federal Institute, Rio Verde, Goiás, CEP 75901-970, Brazil. rhayanealves1@hotmail.com.
  • Rezende WR; Department of Biology, Paulista State University "Júlio de Mesquita Filho", São José do Rio Preto, São Paulo, CEP 15054-000, Brazil. rhayanealves1@hotmail.com.
  • Dos Santos CGA; Department of Biology, Paulista State University "Júlio de Mesquita Filho", São José do Rio Preto, São Paulo, CEP 15054-000, Brazil.
  • Benvindo-Souza M; Laboratory of Ecotoxicology and Animal Systematics (EcotoxSA), Goiano Federal Institute, Rio Verde, Goiás, CEP 75901-970, Brazil.
  • Amorim NPL; Laboratory of Ecotoxicology and Animal Systematics (EcotoxSA), Goiano Federal Institute, Rio Verde, Goiás, CEP 75901-970, Brazil.
  • Borges RE; Mutagenesis Laboratory, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás, CEP 74690-900, Brazil.
  • Franco-Belussi L; Laboratory of Ecotoxicology and Animal Systematics (EcotoxSA), Goiano Federal Institute, Rio Verde, Goiás, CEP 75901-970, Brazil.
  • De Oliveira C; University of Rio Verde, Rio Verde, Goiás, CEP 75901-970, Brazil.
  • de Souza Santos LR; Department of Biology, Paulista State University "Júlio de Mesquita Filho", São José do Rio Preto, São Paulo, CEP 15054-000, Brazil.
Environ Sci Pollut Res Int ; 28(43): 60741-60752, 2021 Nov.
Article em En | MEDLINE | ID: mdl-34165732
The sensitivity of anuran to the effects of habitat destruction and contamination has led to a preoccupying global decline in their populations. Morphological biomarkers such as micronuclei and other erythrocyte nuclear abnormalities (ENAs), as well as the occurrence of hepatic melanin, can be used to evaluate the effects of habitat impacts. In the present study, these two parameters were combined for the in situ assessment of the effects of soybean cultivation on the grassfrog, Leptodactylus fuscus. Specimens were also collected from a protected area to provide a reference site (non-agricultural environment). The frequency of some of the nuclear abnormalities in the animals from the soybean plantation was much higher than that recorded at the reference site, in particular micronuclei, which were 3.6 times more frequent in the plantation, lobulated nuclei (3.4 times more frequent), and reniform nuclei, which were four times more common than at the reference site. The combined analysis of all the ENAs together also revealed a frequency approximately 1.4 times higher in the animals from the soybean plantation, in comparison with the protected area. Smaller areas of hepatic melanin were observed in the specimens from the soybean plantation. These results provide further evidence of the sensitivity of anurans to habitat impacts and indicate that animals found in soybean plantations are susceptible to systematic alterations of their cells.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Anuros / Melaninas Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: Environ Sci Pollut Res Int Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Alemanha

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Anuros / Melaninas Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: Environ Sci Pollut Res Int Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Alemanha