Repositorio
Institucional

Benimeli, Claudia S.

Saez, Juliana M.#Bigliardo, Ana L.#Raimondo, Enzo E.#Briceno, Gabriela E.#Polti, Marta A.

Lindane dissipation in a biomixture: Effect of soil properties and bioaugmentation

ACADEMIC PRESS INC ELSEVIER SCIENCE

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY

en

The biomixture is the major constituent of a biopurification system and one of the most important factors in its efficiency, hence the selection of the components is crucial to ensure the efficient pesticides removal. Besides, bioaugmentation is an interesting approach for the optimization of these systems. A mixed culture of the fungus Trametes versicolor SGNG1 and the actinobacteria Streptomyces sp. A2, A5, All, and M7, was designed to inoculate the biomixtures, based on previously demonstrated ligninolytic and pesticide degrading activities and the absence of antagonism among the strains. The presence of lindane and/or the inoculum in the biomixtures had no significant effect on the development of culturable microorganisms regardless the soil type. The consortium improved lindane dissipation achieving 81-87% of removal at 66 d of incubation in the different biomixtures, decreasing lindane half-life to an average of 24 d, i.e. 6-fold less than t(1/2) of lindane in soils. However, after recontamination, only the bioaugmented biomixture of silty loam soil enhanced lindane dissipation and decreased the t(1/2) compared to non-bioaugmented. The biomixture formulated with silty loam soil, sugarcane bagasse, and peat, inoculated with a fungal-actinobacterial consortium, could be appropriate for the treatment of agroindustrial effluents contaminated with organochlorine pesticides in biopurification systems.

Artículo original

This work was supported by Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT) (PICT 2013 0141, PICT 2016 0234), Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), and Secretaria de Ciencia, Arte e Irmovacion Tecnologica (SCAIT) (PIUNT D504). The authors acknowledge Dr. H. Pajot for providing the filamentous fungal strains and Mr. G. Borchia for his technical assistance.

Este trabajo fue apoyado por la Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT) (PICT 2013 0141, PICT 2016 0234), el Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) y la Secretaría de Ciencia, Arte e Irmovacion Tecnológica (SCAIT) (PIUNT D504). Los autores agradecen al Dr. H. Pajot por proporcionar las cepas de hongos filamentosos y al Sr. G. Borchia por su asistencia técnica.

10.1016/j.ecoenv.2018.03.011

pdf

Biomixture# Pesticides# Bioaugmentation# Biopurification system# Actinobacteria# Fungi

http://dx.doi.org/10.1016/j.ecoenv.2018.03.011

Environmental Sciences# Toxicology

Biomezcla# Pesticidas# Bioaumentación# Sistema de biopurificación# actinobacterias# Hongos

Biorremediación

Biotecnología Ambiental

Microbiología

WOS:000430519100012

Lindane dissipation in a biomixture: Effect of soil properties and bioaugmentation

hdl.handle.net/11336/82354

Artículo original

version publicada

ACADEMIC PRESS INC ELSEVIER SCIENCE

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY

Ciencias Ambientales# Toxicología

0147-6513

en

ANPCyT PICT 2013 0141#ANPCyT PICT 2016 0234#CONICET#SCAIT PIUNT D504

ANPCyT PICT 2013 0141

ANPCyT PICT 2016 0234

CONICET

Secretaria de Ciencia, Arte e Irmovacion Tecnologica (SCAIT) PIUNT D504

This work was supported by Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT) (PICT 2013 0141, PICT 2016 0234), Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), and Secretaria de Ciencia, Arte e Irmovacion Tecnologica (SCAIT) (PIUNT D504). The authors acknowledge Dr. H. Pajot for providing the filamentous fungal strains and Mr. G. Borchia for his technical assistance.

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