2024-03-29T15:33:27Zhttp://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/351602021-06-24T07:48:59Zcom_10324_35294com_10324_952com_10324_894com_10324_1173com_10324_931com_10324_31059com_10324_954col_10324_35295col_10324_1371col_10324_31061
Cantera Ruiz de Pellón, Sara
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500
Sánchez Andrea, Irene
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500
Lebrero Fernández, Raquel
ef00dc1bd36eb3cc
500
0000-0002-3033-8649
García Encina, Pedro Antonio
db927822404c6465
500
0000-0002-3077-3181
Stams, Alfons J.M.
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500
Muñoz Torre, Raúl
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500
0000-0003-1207-6275
2019-03-21T09:27:07Z
2019-03-21T09:27:07Z
2018
Bioresource Technology, 2018, Volume 267, Pages 401-407
0960-8524
http://uvadoc.uva.es/handle/10324/35160
https://doi.org/10.1016/j.biortech.2018.07.057
Producción Científica
This study constitutes the first-proof-of-concept of a methane biorefinery based on the multi-production of high profit margin substances (ectoine, hydroxyectoine, polyhydroxyalkanoates (PHAs) and exopolysaccharides (EPS)) using methane as the sole carbon and energy source. Two bubble column bioreactors were operated under different magnesium concentrations (0.2, 0.02 and 0.002 g L−1) to validate and optimize this innovative strategy for valorization of CH4 emissions. High Mg2+ concentrations promoted the accumulation of ectoine (79.7–94.2 mg g biomass−1), together with high hydroxyectoine yields (up to 13 mg g biomass−1) and EPS concentrations (up to 2.6 g L culture broth−1). Unfortunately, PHA synthesis was almost negligible (14.3 mg L−1) and only found at the lowest Mg2+ concentration tested. Halomonas, Marinobacter, Methylophaga and Methylomicrobium, previously described as ectoine producers, were dominant in both bioreactors, Methylomicrobium being the only described methanotroph. This study encourages further research on CH4 biorefineries capable of creating value out of GHG mitigation.
Ministerio de Economía, Industria y Competitividad (Project CTM2015-70442-RNOVEDAR)
Junta de Castilla y León (programa de apoyo a proyectos de investigación – Ref. E-47-2014-0140696UIC71)
application/pdf
eng
Elsevier
info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
Attribution-NonCommercial-NoDerivatives 4.0 International
Biorefinería CH4
CH4-biorefinery
Metano
Methane
Multi-production of high added market value metabolites from diluted methane emissions via methanotrophic extremophiles
info:eu-repo/semantics/article
https://www.sciencedirect.com/science/article/pii/S0960852418309544
NO
THUMBNAIL
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ORIGINAL
Multi-production-high-market-Preprint.pdf
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oai:uvadoc.uva.es:10324/35160
2021-06-24 09:48:59.014
UVaDOC
repositorio@uva.es
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