Nuclear abnormalities in erythrocytes and morphometric indexes in the catfish Cathorops spixii (Ariidae) from different sites on the southeastern Brazilian coast


Autoria(s): Azevedo, Juliana de Souza; Saraiva, Elisabete de Santis Braga da Graca; Ribeiro, Ciro Alberto Oliveira
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

29/10/2013

29/10/2013

2012

Resumo

Nuclear abnormalities in erythrocytes (NAE) were taken as biomarkers in the catfish Cathorops spixii (Ariidae) sampled in an estuary little affected by human activity (Cananeia) and in three regions (Santos Channel: SC, Santos Bay: SB and Sao Vicente Channel: SVC) of the Santos-Sao Vicente estuary impacted by various anthropogenic activities. Increases in NAE were observed in fish from SC and SVC sampled in the summer period as compared with specimens from the Cananeia estuary. These results suggest the presence of genotoxic compounds in these regions. However, the absence of significant differences in micronuclei frequency reflects slight mutagenic effects in these individuals. It is possible that the lower NAE frequency in specimens from SB might be associated with the greater remobilization and dilution of chemicals in this region. The low frequency of NAE in C. spixii from the Cananeia estuary is in accordance with the slight anthropogenic influence in this system, and may be suggestive of the absence of genotoxic and mutagenic effects in these organisms.

Sao Paulo State Foundation for the Support of Research - FAPESP [2005/50769-2]

Foundation for Research Support of the State of Sao Paulo (FAPESP)

Brazilian Agency for Science and Technology CAPES

Brazilian Agency for Science and Technology - CAPES

Oceanographic Institute of the University of Sao Paulo

Oceanographic Institute of the University of Sao Paulo

Identificador

BRAZILIAN JOURNAL OF OCEANOGRAPHY, SAO PAULO, v. 60, n. 3, p. 323-330, 2012

1679-8759

http://www.producao.usp.br/handle/BDPI/36367

10.1590/S1679-87592012000300005

http://dx.doi.org/10.1590/S1679-87592012000300005

Idioma(s)

eng

Publicador

INST OCEANOGRAFICO, UNIV SAO PAULO

SAO PAULO

Relação

BRAZILIAN JOURNAL OF OCEANOGRAPHY

Direitos

openAccess

Copyright INST OCEANOGRAFICO, UNIV SAO PAULO

Palavras-Chave #NUCLEAR ABNORMALITIES #GENOTOXICY #BIOMONITORING #ESTUARIES #CATFISH #CATHOROPS SPIXII #PISCINE MICRONUCLEUS TEST #FISH HOPLIAS-MALABARICUS #CHROMOSOMAL-ABERRATIONS #GENOTOXICITY EVALUATION #MERCURY CONTAMINATION #MILL EFFLUENT #COMET ASSAY #INDUCTION #WATER #LEAD #MARINE & FRESHWATER BIOLOGY #OCEANOGRAPHY
Tipo

article

original article

publishedVersion