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dc.contributor.author
Alvarez, Analia
dc.contributor.author
Rodriguez Garrido, Beatriz
dc.contributor.author
Cerdeira Perez, Andrea
dc.contributor.author
Tomé Pérez, Alba
dc.contributor.author
Kidd, Petra Susan
dc.contributor.author
Prieto Fernández, Angeles
dc.date.available
2022-07-19T12:19:50Z
dc.date.issued
2022-07
dc.identifier.citation
Alvarez, Analia; Rodriguez Garrido, Beatriz; Cerdeira Perez, Andrea; Tomé Pérez, Alba; Kidd, Petra Susan; et al.; Enhanced biodegradation of hexachlorocyclohexane (HCH) isomers by Sphingobium sp. strain D4 in the presence of root exudates or in co-culture with HCH-mobilizing strains; Elsevier Science; Journal of Hazardous Materials; 433; 7-2022; 1-10
dc.identifier.issn
0304-3894
dc.identifier.uri
http://hdl.handle.net/11336/162466
dc.description.abstract
Lindane and other 1,2,3,4,5,6-hexachlorocyclohexane (HCH) isomers are persistent organic pollutants highly hydrophobic, which hampers their availability and biodegradation. This work aimed at (i) investigating genes encoding enzymes involved in HCH degradation in the bacterium Sphingobium sp. D4, (ii) selecting strains, from a collection of environmental isolates, able to mobilize HCHs from contaminated soil, and (iii) analysing the biodegradation of HCHs by strain D4 in co-culture with HCH-mobilizing strains or when cultivated with root exudates. Fragments of the same size and similar sequence to linA and linB genes were successfully amplified. Two isolates, Streptomyces sp. M7 and Rhodococcus erythropolis ET54b able to produce emulsifiers and to mobilize HCH isomers from soil were selected. Biodegradation of HCH isomers by strain D4 was enhanced when co-inoculated with HCH mobilizing strains or when cultivated with root exudates. The degrader strain D4 was able to decompose very efficiently HCHs isomers, reducing their concentration in soil slurries by more than 95% (from an average initial amount of 50 ± 8 mg HCH kg−1 soil) in 9 days. The combination of HCH-degrading and HCH-mobilizing strains can be considered a promising inoculum for future soil bioremediation studies using bioaugmentation techniques or in combination with plants in rhizodegradation assays.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BIOAUGMENTATION
dc.subject
CO-INOCULATION
dc.subject
MICROBIAL EMULSIFIERS
dc.subject
ORGANIC POLLUTANTS
dc.subject
SOIL ORGANIC MATTER, LINA AND LINB GENES
dc.subject.classification
Biotecnología Medioambiental
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Biotecnología del Medio Ambiente
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Enhanced biodegradation of hexachlorocyclohexane (HCH) isomers by Sphingobium sp. strain D4 in the presence of root exudates or in co-culture with HCH-mobilizing strains
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-07-04T19:59:45Z
dc.journal.volume
433
dc.journal.pagination
1-10
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Alvarez, Analia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
dc.description.fil
Fil: Rodriguez Garrido, Beatriz. Consejo Superior de Investigaciones Científicas. Instituto de Investigaciones Agrobiológicas de Galicia; España
dc.description.fil
Fil: Cerdeira Perez, Andrea. Consejo Superior de Investigaciones Científicas. Instituto de Investigaciones Agrobiológicas de Galicia; España
dc.description.fil
Fil: Tomé Pérez, Alba. Consejo Superior de Investigaciones Científicas. Instituto de Investigaciones Agrobiológicas de Galicia; España
dc.description.fil
Fil: Kidd, Petra Susan. Consejo Superior de Investigaciones Científicas. Instituto de Investigaciones Agrobiológicas de Galicia; España
dc.description.fil
Fil: Prieto Fernández, Angeles. Consejo Superior de Investigaciones Científicas. Instituto de Investigaciones Agrobiológicas de Galicia; España
dc.journal.title
Journal of Hazardous Materials
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.jhazmat.2022.128764
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0304389422005532?via%3Dihub
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