Characterization of two strains of Pelobacter carbinolicus isolated from anaerobic digesters |
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| Authors: | Henri-Charles Dubourguier Eric Samain Gérard Prensier Guy Albagnac |
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| Institution: | (1) Station de Technologie Alimentaire, Institut National de la Recherche Agronomique, BP 39, F-596 51 Villeneuve d'Ascq Cedex, France;(2) Institut National de la Santé et de la Recherche Médicale, U 42, Certia, F-596 51 Villeneuve d'Ascq, France |
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| Abstract: | In anaerobic industrial digesters treating wastewaters from food industry, the sludges showed high capacities to degrade ethanol. The main syntrophic ethanoldegrading organisms were characterized as Pelobacter carbinolicus. During acetoin degradation, butanediol isomers were shown to be transiently produced. In coculture with Methanobrevibacter arboriphilus, the strains oxidized not only primary monoalcohols but also 1,2- and 1,3-diols. Ecological importance as well as metabolic pathways of diol degradation are discussed. |
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| Keywords: | Pelobacter carbinolicus Diol catabolism Anaerobic digestion Acetogenesis Syntrophy |
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