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dc.contributor.author
Briceño, Gabriela
dc.contributor.author
Fuentes, María Soledad
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dc.contributor.author
Rubilar, Olga
dc.contributor.author
Jorquera, Milko
dc.contributor.author
Tortella, Gonzalo
dc.contributor.author
Palma, Graciela
dc.contributor.author
Amoroso, Maria Julia del R.
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dc.contributor.author
Diez, María C.
dc.date.available
2015-08-24T15:08:59Z
dc.date.issued
2013-12-11
dc.identifier.citation
Briceño, Gabriela; Fuentes, María Soledad; Rubilar, Olga; Jorquera, Milko; Tortella, Gonzalo; et al.; Removal of the insecticide diazinon from liquid media by free and immobilized Streptomyces sp. isolated from agricultural soil; Wiley VCH Verlag; Journal of Basic Microbiology; 55; 3; 11-12-2013; 293-302
dc.identifier.issn
0233-111X
dc.identifier.uri
http://hdl.handle.net/11336/1792
dc.description.abstract
From an agricultural soil that had received continuous applications of organophosphorus pesticides, 30 actinobacteria strains were isolated. Two strains, identified as Streptomyces sp. AC1-6 and Streptomyces sp. ISP4, were selected because of their tolerance to diazinon and based on the relationship between diazinon removal and microbial growth. In liquid medium with diazinon at concentrations of 25 and 50mgL-1, both strains were able to remove approximately 40-50% and 70-90% of the initial diazinon after 24 and 96h of incubation, respectively. This diazinon removal was accompanied by microbial growth of the strains, an initial pH decrease, and glucose consumption in the liquid medium. Evaluation of the diazinon removal achieved by the free actinobacteria and Streptomyces sp. AC1-6 immobilized on alginate beads revealed that the immobilized cells exhibited a 60% higher diazinon removal compared with the free cells. The reusability of the encapsulated biomass was confirmed, and a diazinon removal rate of more than 50% was obtained after the second batch. This work constitutes one of the few reports that describe Streptomyces strains as diazinon degraders. Given the high diazinon removal found, the streptomycetes exhibit suitable potential as diazinon-degrading actinobacteria for elimination of diazinon from liquid residues.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley VCH Verlag
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CA-ALGINATE BEADS
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DIAZINON
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FREE CELLS
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IMMOBILIZED CELLS
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STREPTOMYCES
dc.subject.classification
Biotecnología Medioambiental
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dc.subject.classification
Biotecnología del Medio Ambiente
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Removal of the insecticide diazinon from liquid media by free and immobilized Streptomyces sp. isolated from agricultural soil
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.volume
55
dc.journal.number
3
dc.journal.pagination
293-302
dc.journal.pais
Alemania
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dc.journal.ciudad
Weinheim
dc.description.fil
Fil: Briceño, Gabriela. Universidad de la Frontera. Nucleo Cientifico y Tecnológico en Recursos Naturales; Chile;
dc.description.fil
Fil: Fuentes, María Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
dc.description.fil
Fil: Rubilar, Olga. Universidad de la Frontera. Nucleo Cientifico y Tecnológico en Recursos Naturales; Chile;
dc.description.fil
Fil: Jorquera, Milko. Universidad de la Frontera. Nucleo Cientifico y Tecnológico en Recursos Naturales; Chile;
dc.description.fil
Fil: Tortella, Gonzalo. Universidad de la Frontera. Nucleo Cientifico y Tecnológico en Recursos Naturales; Chile;
dc.description.fil
Fil: Palma, Graciela. Universidad de la Frontera. Nucleo Cientifico y Tecnológico en Recursos Naturales; Chile;
dc.description.fil
Fil: Amoroso, Maria Julia del R.. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
dc.description.fil
Fil: Diez, María C.. Universidad de la Frontera. Nucleo Cientifico y Tecnológico en Recursos Naturales; Chile;
dc.journal.title
Journal of Basic Microbiology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/jobm.201300576
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