NDLI: Monitoring Genotoxicity Potential in the Mumbuca Stream, Minas Gerais, Brazil.

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Monitoring Genotoxicity Potential in the Mumbuca Stream, Minas Gerais, Brazil.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	de Campos Júnior, Edimar Olegário Pereira, Boscolli Barbosa Morelli, Sandra
Spatial Coverage	Brazil
Description	Country affiliation: Brazil Author Affiliation: de Campos Júnior EO ( a Department of Genetics and Biochemistry, INGEB , Federal University of Uberlândia, Umuarama Campus , Uberlândia , Minas Gerais , Brazil.); Pereira BB ( b Institute of Geography, Department of Geography , Federal University of Uberlândia, Santa Mônica Campus , Uberlândia , Minas Gerais , Brazil.); Morelli S ( a Department of Genetics and Biochemistry, INGEB , Federal University of Uberlândia, Umuarama Campus , Uberlândia , Minas Gerais , Brazil.)
Abstract	Rivers are sites for water catchment to supply metropolitan areas but also serve as receptors for discharge of urban sewage, wastewater, and agri-industrial effluents. Bioindicators or sentinel organisms are widely used as markers of pollution in various environments. The objective of this study was to evaluate the genotoxic potential and consequent quality of the water from the Mumbuca stream, which supplies the city of Monte Carmelo, located in the Minas Triangle region, Minas Gerais, Brazil. This was achieved using two variable response bioindicators (Rhamdia quelen and Geophagus brasiliensis), the micronucleus (MN) test, and determining the presence of metals by flame atomic absorption spectrometry. Results showed that site 3 water (region of residential flow and intense industrial pottery activity) presented a greater possibility for induction of genotoxic activity, as evidenced by the increase in the MN frequency in Rhamdia quelen and Geophagus brasiliensis in comparison with the reference-site water. The water of the Mumbuca stream was influenced by genotoxic agents, especially lead and chromium, assessed by the rise in MN rate. Data suggested that discharge of industrial effluents in a specific stretch of the stream interfered with biota functions.
File Format	HTM / HTML
ISSN	15287394
Issue Number	20
Volume Number	78
e-ISSN	10872620
Journal	Journal of Toxicology and Environmental Health, Part A
Language	English
Publisher	Taylor & Francis
Publisher Date	2015-01-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Health Discipline Toxicology Catfishes Metabolism Cichlids Metals Toxicity Rivers Chemistry Water Pollutants, Chemical Water Quality Animals Brazil Cities Dose-response Relationship, Drug Environmental Monitoring Female Male Micronucleus Tests Mutagenicity Tests Spectrophotometry, Atomic Journal Article
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Toxicology

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