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dc.contributor.author
Martinez Alvarez, Lucas Manuel
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dc.contributor.author
Bolhuis, Henk
dc.contributor.author
Mau, Goh Kian
dc.contributor.author
Kok Gan, Chan
dc.contributor.author
Sing, Chan Chia
dc.contributor.author
Mac Cormack, Walter Patricio
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dc.contributor.author
Ruberto, Lucas Adolfo Mauro
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dc.date.available
2023-06-09T16:41:22Z
dc.date.issued
2022-03
dc.identifier.citation
Martinez Alvarez, Lucas Manuel; Bolhuis, Henk; Mau, Goh Kian; Kok Gan, Chan; Sing, Chan Chia; et al.; Identification of key bacterial players during successful full-scale soil field bioremediation in Antarctica; Elsevier; International Biodeterioration and Biodegradation; 168; 3-2022; 1-11
dc.identifier.issn
0964-8305
dc.identifier.uri
http://hdl.handle.net/11336/200122
dc.description.abstract
The Antarctic continent is not exempted from anthropogenic contamination. Diesel spills on Antarctic soils occur frequently. There, extreme climate conditions and the scarce infrastructure, cause that few remediation strategies become feasible. Bioremediation has proven to be an effective approach for hydrocarbon-contaminated soils in Antarctica, allowing the removal of up to 80% of the contaminant by biostimulating soil microbial communities in biopiles. However, little is known on the changes that this treatment cause in the microbial communities, and how may this knowledge be used for future bioremediation schemes. In this work, we analyzed the changes in the bacterial community composition of biostimulated (BS) and control (CC) biopiles at Carlini Station (Arg.), Antarctica, from our previously reported “on-site” bioremediation scheme. The results showed that hydrocarbon biodegradation in Antarctic soils was accompanied by a significant change in bacterial community composition, with a progressive differentiation between the treated (BS) and non-treated (CC) systems as a function of time. Microbial diversity decreased in the BS system due to the enrichment in genera Pseudomonas, Rhodococcus, and Rhodanobacter, that seemed to follow an r/K (or copiotrophic/oligotrophic) strategist dynamic, in which Pseudomonas increased significantly at the early stages of the treatment (from initial 23.8% up to 33.2% at day 20, r strategist), while Rhodococcus and Rhodanobacter (K strategists) became dominant since day 20 and until the end of the experiment (from 5.4% to 2.4% at T = 0 days, up to 17.4% and 14.0% at the end of the experiment, respectively). In the control system, Sphingomonas (14.0% at T = 30 days), Pseudomonas (10.5% at T = 30 days), and Rhizorhapis (9.9% at T = 30 days) were the genera with higher relative abundance during the entire treatment period, with no short-term shifts in dominances and a more diverse and even bacterial community.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ANTARCTICA
dc.subject
BACTERIAL COMMUNITIES
dc.subject
BIOPILES
dc.subject
PETROLEUM-DERIVED HYDROCARBONS
dc.subject
SOIL CONTAMINATION
dc.subject.classification
Bioremediación, Diagnóstico Biotecnológico en Gestión 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
Identification of key bacterial players during successful full-scale soil field bioremediation in Antarctica
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-06-09T15:27:57Z
dc.journal.volume
168
dc.journal.pagination
1-11
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Martinez Alvarez, Lucas Manuel. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Nanobiotecnología. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Nanobiotecnología; Argentina
dc.description.fil
Fil: Bolhuis, Henk. University of Utrecht; Países Bajos. Utrecht University; Países Bajos
dc.description.fil
Fil: Mau, Goh Kian. Universiti Teknologi Malaysia; Malasia
dc.description.fil
Fil: Kok Gan, Chan. Jiangsu University; China
dc.description.fil
Fil: Sing, Chan Chia. Universiti Teknologi Malaysia; Malasia
dc.description.fil
Fil: Mac Cormack, Walter Patricio. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Nanobiotecnología. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Nanobiotecnología; Argentina
dc.description.fil
Fil: Ruberto, Lucas Adolfo Mauro. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Nanobiotecnología. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Nanobiotecnología; Argentina
dc.journal.title
International Biodeterioration and Biodegradation
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0964830521001840
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.ibiod.2021.105354
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