Use este identificador para citar ou linkar para este item: http://repositorio.inpa.gov.br/handle/123/2687
Título: Mutagenic Effects of Mercury Pollution as Revealed by Micronucleus Test on Three Amazonian Fish Species.
Autor(es): Jorge Ivan Rebelo Porto
Cleusa Suzana Oliveira de Araújo Albuquerque
Eliana Feldberg
Assunto: Mercúrio
Micronúcleos
Bacia Amazonica
ISSN: 0013-9351
Revista: Environmental Research (New York)
Volume: 97
Resumo: Genotoxic effect of mercury pollution over Amazonian fish species was evaluated by using the micronucleus test (MNT). Distinct mean frequencies of micronuclei (MN) were observed in three trophically distinct characin fish species collected in two riverine environments in the Amazon Basin: the Madeira (polluted area) and the Solimões (unpolluted area) rivers. Mean frequencies of MN observed in Prochilodus nigricans (detritivore), Mylossoma duriventris (omnivore), and Hoplias malabaricus (piscivore) from the Madeira River were significantly higher compared to the frequencies from the same species from the Solimões River. In addition, mean frequencies of MN from piscivore species were almost fivefold higher than the detritivore and/or omnivore species. We conclude that MNT in fish erythrocytes may be useful for indicating genotoxity of mercury in Amazon rivers.
URI: http://repositorio.inpa.gov.br/handle/123/2687
ISSN: 0013-9351
DOI: http://dx.doi.org/10.1016/j.envres.2004.04.006
Local de publicação: Estados Unidos
Aparece nas coleções:Coordenação de Biodiversidade (CBIO)

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