Estudios de mutagenicidad, inhibicíon del crecimiento algal y contaminación química en aguas superficiales de un río urbano de Buenos Aires, Argentina

Biological activity in terms of genotoxicity and cytotoxicity was estimated in water samples from a river, Riachuelo, exposed to a long pollution process with industrial effluents and sewage. Several biological systems were used for this study in order to choose the appropriate one for further monit...

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Autores principales: Magdaleno, Anahí, de Cabo, Laura Isabel, Arreghini, Silvana
Publicado: 1998
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01884999_v14_n1_p27_Lopez
http://hdl.handle.net/20.500.12110/paper_01884999_v14_n1_p27_Lopez
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_01884999_v14_n1_p27_Lopez
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spelling paper:paper_01884999_v14_n1_p27_Lopez2023-06-08T15:19:46Z Estudios de mutagenicidad, inhibicíon del crecimiento algal y contaminación química en aguas superficiales de un río urbano de Buenos Aires, Argentina Magdaleno, Anahí de Cabo, Laura Isabel Arreghini, Silvana Biological activity in terms of genotoxicity and cytotoxicity was estimated in water samples from a river, Riachuelo, exposed to a long pollution process with industrial effluents and sewage. Several biological systems were used for this study in order to choose the appropriate one for further monitoring the river and to determine what kind of pollutants were present in these waters. The concentration of several kind different pollutants found in the water samples were used to calculate the ICAs (Water Quality Index). The highest pollution levels were detected in samples collected in the Puente Uriburu area. Untreated water samples did not result in genotoxicity with the Ames-test, the Bacillus subtilis rec-assay or the Saccharomyces cerevisiae D7 system, but the Allium-test showed a high percentage of chromosome aberrations. Aditionally, growth inhibition was obtained in the Selenastrum capricornutum test. On the other hand, XAD-2 extracts from the same water samples were genotoxic when the Ames-test with microsomal activation and the yeast system were done. In conclusion: although high pollutant concentrations were determined in the river water samples their biodisponibility enhanced genotoxicity only in eukaryotic cells in active division or when concentrate extracts were tested. Fil:Magdaleno, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:De Cabo, L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Arreghini, S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1998 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01884999_v14_n1_p27_Lopez http://hdl.handle.net/20.500.12110/paper_01884999_v14_n1_p27_Lopez
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description Biological activity in terms of genotoxicity and cytotoxicity was estimated in water samples from a river, Riachuelo, exposed to a long pollution process with industrial effluents and sewage. Several biological systems were used for this study in order to choose the appropriate one for further monitoring the river and to determine what kind of pollutants were present in these waters. The concentration of several kind different pollutants found in the water samples were used to calculate the ICAs (Water Quality Index). The highest pollution levels were detected in samples collected in the Puente Uriburu area. Untreated water samples did not result in genotoxicity with the Ames-test, the Bacillus subtilis rec-assay or the Saccharomyces cerevisiae D7 system, but the Allium-test showed a high percentage of chromosome aberrations. Aditionally, growth inhibition was obtained in the Selenastrum capricornutum test. On the other hand, XAD-2 extracts from the same water samples were genotoxic when the Ames-test with microsomal activation and the yeast system were done. In conclusion: although high pollutant concentrations were determined in the river water samples their biodisponibility enhanced genotoxicity only in eukaryotic cells in active division or when concentrate extracts were tested.
author Magdaleno, Anahí
de Cabo, Laura Isabel
Arreghini, Silvana
spellingShingle Magdaleno, Anahí
de Cabo, Laura Isabel
Arreghini, Silvana
Estudios de mutagenicidad, inhibicíon del crecimiento algal y contaminación química en aguas superficiales de un río urbano de Buenos Aires, Argentina
author_facet Magdaleno, Anahí
de Cabo, Laura Isabel
Arreghini, Silvana
author_sort Magdaleno, Anahí
title Estudios de mutagenicidad, inhibicíon del crecimiento algal y contaminación química en aguas superficiales de un río urbano de Buenos Aires, Argentina
title_short Estudios de mutagenicidad, inhibicíon del crecimiento algal y contaminación química en aguas superficiales de un río urbano de Buenos Aires, Argentina
title_full Estudios de mutagenicidad, inhibicíon del crecimiento algal y contaminación química en aguas superficiales de un río urbano de Buenos Aires, Argentina
title_fullStr Estudios de mutagenicidad, inhibicíon del crecimiento algal y contaminación química en aguas superficiales de un río urbano de Buenos Aires, Argentina
title_full_unstemmed Estudios de mutagenicidad, inhibicíon del crecimiento algal y contaminación química en aguas superficiales de un río urbano de Buenos Aires, Argentina
title_sort estudios de mutagenicidad, inhibicíon del crecimiento algal y contaminación química en aguas superficiales de un río urbano de buenos aires, argentina
publishDate 1998
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01884999_v14_n1_p27_Lopez
http://hdl.handle.net/20.500.12110/paper_01884999_v14_n1_p27_Lopez
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AT decabolauraisabel estudiosdemutagenicidadinhibiciondelcrecimientoalgalycontaminacionquimicaenaguassuperficialesdeunriourbanodebuenosairesargentina
AT arreghinisilvana estudiosdemutagenicidadinhibiciondelcrecimientoalgalycontaminacionquimicaenaguassuperficialesdeunriourbanodebuenosairesargentina
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