Cytotoxicity and mutagenicity of the waters of the Marrecas River (Paraná, Brazil) to bullfrogs (Lithobates catesbeianus)
| Autor: | Ana Paula de Oliveira Schmitz, Juan Carlos Pokrywiecki, Franciele Aní Caovilla Follador, Andressa Akemi Mizobata, Gabrielle Arisa Suyama, Eduardo Michel Vieira Gomes, Liliane Hellmann, Ticiane Sauer Pokrywiecki, Gisele Arruda, Elisângela Düsman, Fernando César Manosso, Flavia Isabelli dos Santos, Rodrigo Lingnau, Giovana Baptista Cenci |
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| Rok vydání: | 2020 |
| Předmět: |
Flora
Health Toxicology and Mutagenesis Fauna 010501 environmental sciences Biology 01 natural sciences Rivers Biomonitoring Environmental Chemistry Ecotoxicology Animals Ecosystem 0105 earth and related environmental sciences Rana catesbeiana Ecology Lithobates fungi food and beverages General Medicine biology.organism_classification Pollution Hydrography Bioindicator Brazil Water Pollutants Chemical Environmental Monitoring Mutagens |
| Zdroj: | Environmental science and pollution research international. 28(17) |
| ISSN: | 1614-7499 |
| Popis: | Animals have a long history of assessing ecosystem responses to environmental disturbances, and amphibians stand out for presenting themselves as good animal model and bioindicators of environmental quality. The main purpose of the present work was to investigate the cellular effects of contamination of waters of the Marrecas River, located in the southwest of the state of Parana, Brazil. Therefore, the objective of the present study was to investigate and monitor the cytotoxic and mutagenic effect, with bullfrog tadpoles, and to discuss these effects with land use along this hydrographic basin. Mutagenic effects were determined by micronucleus assay, and cytotoxicity by other nuclear changes, such as segmented cells, binucleated cells, cells with buds and reniform cells. Water samples were obtained at nine sites along the Marrecas River, covering areas with rural and urban hydrological contribution. For each site, four samples were collected, along the years 2017 and 2018, encompassing the four seasons (summer, autumn, winter, and spring). The results showed mutagenic and cytotoxic effect in four sampling sites, and only cytotoxic effect in other four sites. These effects may be due, possibly, to the use of different agrochemicals across the hydrographic basin region, which have predominant hydrological contributions from crops. Data of this study indicate the presence of cytotoxic and mutagenic contaminants in the waters of the Marrecas River, which can generate environmental problems on the river fauna/flora, and can also affect the local population health. |
| Databáze: | OpenAIRE |
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