Promotion of methane production by magnetite via increasing acetogenesis revealed by metagenome-assembled genomes

• Published in: Bioresource technology Vol. 345; p. 126521
• Main Authors: Yu, Jiafeng, Liu, Jian, Senthil Kumar, P., Wei, Yunwei, Zhou, Meng, Vo, Dai-Viet N., Xiao, Leilei
• Format: Journal Article
• Language: English
• Published: England Elsevier Ltd 01.02.2022
• Subjects: Anaerobic digestion; Anaerobiosis; biogas; Bioreactors; Brevundimonas; Clostridium; Conductive material; Electron transfer; Fe3O4 nanoparticles; fermentation; Ferrosoferric Oxide; genome; Granular activated carbon; magnetite; Metagenome; Metagenome-assembled genomes; Methane; methane production; methanogens; nanoparticles; nanowires; Rhodoferax; V3O7·H2O nanowires; Methane; Granular activated carbon; V3O7·H2O nanowires; Fe3O4 nanoparticles; Electron transfer; Metagenome-assembled genomes; Conductive material; Anaerobic digestion; FeO nanoparticles; VO·HO nanowires

[Display omitted] •Diverse mechanisms were proposed to interpret increased methanogenesis by metal oxide.•Metagenome-assembled genomes revealed potential functional microbes and pathways.•NanoFe3O4 accelerated acetogenesis instead of acetate oxidation and electron transfer.•V3O7·H2O stimulated both...