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dc.contributor.authorPorto, Jorge Ivan Rebelo-
dc.contributor.authorAraujo, Cleusa S.O.-
dc.contributor.authorFeldberg, Eliana-
dc.date.accessioned2020-06-15T22:03:28Z-
dc.date.available2020-06-15T22:03:28Z-
dc.date.issued2005-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/18853-
dc.description.abstractGenotoxic 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. © 2004 Elsevier Inc. All rights reserved.en
dc.language.isoenpt_BR
dc.relation.ispartofVolume 97, Número 3, Pags. 287-292pt_BR
dc.rightsRestrito*
dc.subjectMercuryen
dc.subjectBioaccumulationen
dc.subjectFishen
dc.subjectGenotoxicityen
dc.subjectMercury (element)en
dc.subjectMutagenicityen
dc.subjectRiver Pollutionen
dc.subjectTesting Methoden
dc.subjectAnimals Cellen
dc.subjectComparative Studyen
dc.subjectControlled Studyen
dc.subjectErythrocyteen
dc.subjectFishen
dc.subjectGenotoxicityen
dc.subjectMicronucleusen
dc.subjectMicronucleus Testen
dc.subjectMutagenic Activityen
dc.subjectNonhumanen
dc.subjectPriority Journalen
dc.subjectRiveren
dc.subjectWater Pollutionen
dc.subjectAnimalen
dc.subjectFishesen
dc.subjectFresh Wateren
dc.subjectMercuryen
dc.subjectMicronuclei, Chromosome-defectiveen
dc.subjectMicronucleus Testsen
dc.subjectMutagensen
dc.subjectWater Pollutants, Chemicalen
dc.subjectAmazon Basinen
dc.subjectSouth Americaen
dc.subjectWestern Hemisphereen
dc.subjectWorlden
dc.subjectCharacidaeen
dc.subjectHoplias Malabaricusen
dc.subjectMylossomaen
dc.subjectProchilodus Nigricansen
dc.titleMutagenic effects of mercury pollution as revealed by micronucleus test on three Amazonian fish speciesen
dc.typeArtigopt_BR
dc.identifier.doi10.1016/j.envres.2004.04.006-
dc.publisher.journalEnvironmental Researchpt_BR
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