Micronuclei monitoring of fishes from Lake Paranoá, under influence of sewage treatment plant discharges

Fish micronuclei tests (MN) were used to evaluate the ability of wastewater from two municipal sewage treatment plants that empty into Lake Paranoá to cause genetic damage. There were no significant differences in the frequencies of micronuclei between the control and hypertrophic areas. In contrast...

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Bibliographic Details
Published in:Mutation research. Genetic toxicology and environmental mutagenesis 2001-04, Vol.491 (1), p.39-44
Main Authors: Grisolia, Cesar Koppe, Starling, Fernando L.R.M.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Brazil, Paranoa L
Environmental pollutants toxicology
Fish micronucleus
Genotoxic biomonitoring
Medical sciences
Toxicology
Wastewater
Water
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Summary:Fish micronuclei tests (MN) were used to evaluate the ability of wastewater from two municipal sewage treatment plants that empty into Lake Paranoá to cause genetic damage. There were no significant differences in the frequencies of micronuclei between the control and hypertrophic areas. In contrast, cyclophosphamide and mitomycin C, used to test the sensitivity of the biological assay, significantly increased the micronuclei counts in Tilapia rendalli, Oreochromis niloticus and Cyprinus carpio, T. rendalli was the most sensitive specie to both clastogens and C. carpio, the most resistant.
ISSN:1383-5718
1879-3592
DOI:10.1016/S1383-5718(00)00168-6