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Fermentation of lactose and its constituent sugars by Escherichia coli WDHL: impact on hydrogen production
Luis Manuel Rosales Colunga
Elías Razo Flores
Antonio de León Rodríguez
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1016/j.biortech.2012.01.175
Glucose
Galactose
Lactate
Hydrogen yield
Escherichia coli WDHL
"Fermentations of lactose, glucose and galactose using Escherichia coli WDHL, a hydrogen over producer strain, were performed. With glucose as substrate pyruvate was mainly routed to the lactate pathway, resulting in hydrogen production and yield of 1037 mL and 0.30 mol H2/mol of glucose, respectively. When galactose was the substrate, the pyruvate formate lyase pathway was the main route for pyruvate and a fermentation yield of 1.12 mol H2/mol of galactose and a hydrogen production of 2080 mL were obtained. The fermentation of lactose or glucose plus galactose showed a similar yield of 1.02 mol H2/mol of hexose consumed. This work clearly demonstrated that the kinetics of hydrogen and metabolites production as well as the hydrogen yield were affected by the type of sugar used as substrate as reflected by the deviations from the metabolic hydrogen-production pathway."
Elsevier Science LTD
2012-05
Artículo
Luis Manuel Rosales-Colunga, Elías Razo-Flores, Antonio De León Rodríguez, Fermentation of lactose and its constituent sugars by Escherichia coli WDHL: Impact on hydrogen production, Bioresource Technology, Volume 111, 2012, Pages 180-184.
CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA
Versión revisada
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Aparece en las colecciones: Publicaciones Científicas Biología Molecular

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