Syntrophic acetate oxidation replaces acetoclastic methanogenesis during thermophilic digestion of biowaste.

ABSTRACT:

Background

Anaerobic digestion (AD) is a globally important technology for effective waste and wastewater management. In AD, microorganisms interact in a complex food web for the production of biogas. Here, acetoclastic methanogens and syntrophic acetate-oxidizing bacteria (SAOB) compete for acetate, a major intermediate in the mineralization of organic matter. Although evidence is emerging that syntrophic acetate oxidation is an important pathway for methane production, knowledge about the SAOB is still very limited.

Results

A metabolic reconstruction of metagenome-assembled genomes (MAGs) from a thermophilic solid state biowaste digester covered the basic functions of the biogas microbial community. Firmicutes was the most abundant phylum in the metagenome (53%) harboring

SUBMITTER: Dyksma S 

PROVIDER: S-EPMC7334858 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature