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Biorremediación de Cr(VI) y lindano en suelos por actinobacterias: Selección de actinobacterias con mayor potencial para la biorremediación de suelos co-contaminados con Cr(VI) y lindano

Authors: Aparicio, Juan Daniel; Benimeli, Claudia Susana; Polti, Marta Alejandra;

Biorremediación de Cr(VI) y lindano en suelos por actinobacterias: Selección de actinobacterias con mayor potencial para la biorremediación de suelos co-contaminados con Cr(VI) y lindano

Abstract

El lindano es un plaguicida persistente y tóxico que, estando prohibido, aún se encuentra presente en el ambiente. El Cr(VI) es un metal pesado tóxico y mutagénico; se encuentra en suelos próximos a industrias. La co-contaminación con metales y compuestos orgánicos es difícil de tratar debido a su naturaleza mixta. La biorremediación con actinobacterias podría ser una alternativa para su depuración, gracias a su versatilidad metabólica. Streptomyces spp. A5, M7 y MC1 y Amycolatopsis tucumanensis AB0 son tolerantes a Cr(VI) y lindano y no presentan antagonismo entre ellas. Al inocular las actinobacterias en muestras de suelo (MS) estériles co-contaminadas inmediatamente, o después de 7 días con Cr(VI) y lindano, se determinó que cada una de ellas y el consorcio fueron capaces de crecer y remover Cr(VI) y lindano. El consorcio provocó la mayor remoción de Cr(VI) en MS estériles, mientras que M7 produjo la mayor remoción de Cr(VI) en MS estérliles, mientras que M7 produjo la mayor remoción de lindano. En MS no estérliles, M7 y el consorcio removieron más del 50% de linado, mientras que M7 produjo la mayor remoción de Cr(VI). Esto constituye el primer aporte sobre un proceso exitoso de biorremediación de Cr(VI) y lindano e suelo por actinobacterias.

Fil: Benimeli, Claudia Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina

Fil: Polti, Marta Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina

Fil: Aparicio, Juan Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina

Country
Argentina
Keywords

https://purl.org/becyt/ford/2.8, ACTINOBACTERIAS, BIORREMEDIACIÓN, SUELO, https://purl.org/becyt/ford/2, CROMO, LINDANO

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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