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Syntrophic acetate oxidation replaces acetoclastic methanogenesis during thermophilic digestion of biowaste
Stefan Dyksma, Lukas Jansen, Claudia Gallert
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Abstract
Results presented here provide new insights into a remarkable anaerobic digestion ecosystem where acetate catabolism is mainly realized by Bacteria. Metagenomics and enrichment cultivation revealed a core community of diverse and novel uncultured acetate-oxidizing bacteria and point to a particular niche for them in dry fermentation of biowaste. Their genomic repertoire suggests metabolic plasticity besides the potential for syntrophic acetate oxidation. Video Abstract.
Keywords
MetagenomicsAnaerobic digestionFirmicutesMethanosaetaThermophileClostridia
Identifiers
- PubMed
- 32620171
- Journal
- Microbiome
- Year
- 2020