| Revista: | Genetics and molecular biology |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000337861 |
| ISSN: | 1415-4757 |
| Autores: | Kirschbaum, Aline A1 Seriani, Robson4 Pereira, Camilo D.S2 Assuncao, Andrea1 Abessa, Denis Modelo de Souza5 Rotundo, Matheus Marcos6 Ranzani-Paiva, Maria Jose Tavares3 |
| Instituciones: | 1Universidade Santa Cecilia, Laboratorio de Ecotoxicologia, Santos, Sao Paulo. Brasil 2Universidade de Sao Paulo, Instituto Oceanografico, Sao Paulo. Brasil 3Instituto de Pesca, Sao Paulo. Brasil 4Centro Universitario Sao Camilo, Sao Paulo. Brasil 5Universidade Estadual Paulista "Julio de Mesquita Filho", Nucleo de Estudos em Poluicao e Ecotoxicologia Aquatica, Sao Vicente, Sao Paulo. Brasil 6Universidade Santa Cecilia, Laboratorio de Pesquisas Biologicas, Santos, Sao Paulo. Brasil |
| Año: | 2009 |
| Periodo: | Mar |
| Volumen: | 32 |
| Número: | 1 |
| Paginación: | 151-154 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Experimental |
| Resumen en inglés | The aquatic environment receives many contaminants that can induce damages at the molecular, biochemical, cellular and physiological levels. Centropomus parallelus, an important food resource for local populations, is a predator fish that feeds on small fishes and benthic invertebrates, thus being vulnerable to the bioconcentration and biomagnification processes. This study aimed to evaluate cytogenotoxic responses in erythrocytes from C. parallelus juveniles collected in the Cananéia and São Vicente estuaries, both in winter and in summer. After anesthesia, blood samples were collected by caudal puncture. Blood smears were prepared on glass slides and stained with May-Grünwald-Giemsa dye. Two thousand cells were analyzed per slide (1000x), and nuclear abnormalities (NA) and micronuclei (MN) were scored. The São Vicente sample showed MN and NA frequencies (%/1000 cells) of 0.325 and 3.575, in winter, and of 0.125 and 2.935 in summer respectively; the Cananéia sample showed frequencies of 0.0325 and 0.03, in winter, and of 0.065 and 0.355 in summer, respectively. The rates found in São Vicente were significantly higher than those found in Cananéia, evidencing that the levels of pollution in that estuary were high enough to induce genetic damages |
| Disciplinas: | Biología, Química |
| Palabras clave: | Biología celular, Genética, Peces, Bioquímica, Citogenética, Contaminación, Centropomus parallelus |
| Keyword: | Biology, Chemistry, Cell biology, Fish, Genetics, Biochemistry, Cytogenetics, Contamination, Centropomus parallelus |
| Texto completo: | Texto completo (Ver HTML) |
