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dc.contributor.author
Polti, Marta Alejandra
dc.contributor.author
Amoroso, Maria Julia del R.
dc.contributor.author
Abate, Carlos Mauricio
dc.date.available
2017-05-31T18:53:50Z
dc.date.issued
2011-03-31
dc.identifier.citation
Polti, Marta Alejandra; Amoroso, Maria Julia del R.; Abate, Carlos Mauricio; Intracellular chromium accumulation by Streptomyces sp. MC1; Springer; Water, Air And Soil Pollution; 214; 1; 31-3-2011; 49-57
dc.identifier.issn
0049-6979
dc.identifier.uri
http://hdl.handle.net/11336/17185
dc.description.abstract
Abstract Streptomyces sp. MC1, previously isolated from sugar cane, has shown ability to reduce Cr(VI) in liquid minimal medium and soil samples. The objective of this work was to demonstrate the intracellular chromium accumulation by Streptomyces sp. MC1 under different culture conditions. This strain was able to accumulate up to 3.54 mg of Cr (III) per gram of wet biomass, reducing the 98% of Cr (VI) and removing 13.9% of chromium from the<br /> ulture medium supernatants. Streptomyces sp. MC1 chromium bioaccumulation ability was corroborated by using Timm?s reagent technique, a low-cost method, which has been used by first time to detect chromium deposits in bacteria. The results of atomic absorption spectrometry, scanning electron microsco-py, and energy dispersive X-ray analysis suggest that<br />the mechanism of Cr(VI) resistance observed in Streptomyces sp. MC1 includes adsorption coupled with reduction to Cr(III), and finally, Cr(III) bioaccumulation. This mechanism have special relevance to remediation of Cr(VI) contaminated environments by Streptomyces sp. MC1.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Bioremediation
dc.subject
Chromium Bioaccumulation
dc.subject
Streptomyces
dc.subject
Edxa
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Timm'S Reagent
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Biotecnología Medioambiental
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Biotecnología del Medio Ambiente
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Intracellular chromium accumulation by Streptomyces sp. MC1
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-02-05T14:59:36Z
dc.journal.volume
214
dc.journal.number
1
dc.journal.pagination
49-57
dc.journal.pais
Alemania
dc.journal.ciudad
Dordrecht
dc.description.fil
Fil: Polti, Marta Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Planta Piloto de Procesos Industriales Microbiológicos (i); Argentina. Universidad Nacional de Tucumán; Argentina
dc.description.fil
Fil: Amoroso, Maria Julia del R.. Universidad Nacional de Tucumán; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Planta Piloto de Procesos Industriales Microbiológicos (i); Argentina
dc.description.fil
Fil: Abate, Carlos Mauricio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Planta Piloto de Procesos Industriales Microbiológicos (i); Argentina. Universidad Nacional de Tucumán; Argentina
dc.journal.title
Water, Air And Soil Pollution
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs11270-010-0401-5
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s11270-010-0401-5
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