Syntrophic microbes involved in the oxidation of short-chain fatty acids in continuous-flow anaerobic digesters treating waste activated sludge with hydrochar

Z Shi, C Zhang, X Tan, L Xie, G Luo - Applied and Environmental …, 2024 - Am Soc Microbiol
The rapid degradation of short-chain fatty acids (SCFAs) is an essential issue of anaerobic
digestion (AD), in which SCFA oxidizers could generally metabolize in syntrophy with …

Novel long-chain fatty acid (LCFA)-Degrading bacteria and pathways in anaerobic digestion promoted by hydrochar as revealed by genome-centric …

M Sun, Z Shi, C Zhang, Y Zhang… - Applied and …, 2022 - Am Soc Microbiol
ABSTRACT A large amount of long-chain fatty acids (LCFA) are generated after lipids
hydrolysis in anaerobic digestion (AD), and LCFA are difficult to be biodegraded. This study …

Effect of magnetite addition on transcriptional profiles of syntrophic Bacteria and Archaea during anaerobic digestion of propionate in wastewater sludge

S Dyksma, C Gallert - Environmental Microbiology Reports, 2022 - Wiley Online Library
Anaerobic digestion (AD) is an important technology for the effective conversion of waste
and wastewater to methane. Here, syntrophic bacteria transfer molecular hydrogen (H2) …

Syntrophic acetate-oxidizing microbial consortia enriched from full-scale mesophilic food waste anaerobic digesters showing high biodiversity and functional …

C Li, L Hao, F Lü, H Duan, H Zhang, P He - Msystems, 2022 - Am Soc Microbiol
Syntrophic acetate oxidation (SAO) coupled with hydrogenotrophic methanogenesis (HM)
plays a vital role in the anaerobic digestion of protein-rich feedstocks such as food wastes …

Metabolism of novel potential syntrophic acetate-oxidizing bacteria in thermophilic methanogenic chemostats

Y Zeng, D Zheng, LP Li, M Wang, M Gou… - Applied and …, 2024 - Am Soc Microbiol
Acetate is a major intermediate in the anaerobic digestion of organic waste to produce CH4.
In methanogenic systems, acetate degradation is carried out by either acetoclastic …

Detection of active, potentially acetate-oxidizing syntrophs in an anaerobic digester by flux measurement and formyltetrahydrofolate synthetase (FTHFS) expression …

T Hori, D Sasaki, S Haruta, T Shigematsu… - …, 2011 - microbiologyresearch.org
Syntrophic oxidation of acetate, so-called reversed reductive acetogenesis, is one of the
most important degradation steps in anaerobic digesters. However, little is known about the …

Diverse acetate-oxidizing syntrophs contributing to biogas production from food waste in full-scale anaerobic digesters in China

C Li, P He, L Hao, F Lü, L Shao, H Zhang - Renewable Energy, 2022 - Elsevier
Anaerobic digestion is a sustainable biotechnology for treating food waste (FW) with biogas
production driven by microorganisms. Generation of FW increased greatly in China, which …

Syntrophic propionate degradation in anaerobic digestion facilitated by hydrochar: Microbial insights as revealed by genome-centric metatranscriptomics

Z Shi, C Zhang, M Sun, M Usman, Y Cui, S Zhang… - Environmental …, 2024 - Elsevier
Propionate is a model substrate for studying energy-limited syntrophic communities in
anaerobic digestion, and syntrophic bacteria usually catalyze its degradation in syntrophy …

Genome-centric metagenomic analysis revealed the microbial shifts in response to long-chain fatty acids (LCFA) in anaerobic digestion with hydrochar

M Sun, C Zhang, Z Shi, C Zhang, S Zhang… - Chemical Engineering …, 2023 - Elsevier
Excessive long-chain fatty acids (LCFA) concentration inhibits the normal operation of
anaerobic digestion (AD), while the influence of the concentration changes on the microbial …

Methanosarcinaceae and acetate-oxidizing pathways dominate in high-rate thermophilic anaerobic digestion of waste-activated sludge

DP Ho, PD Jensen, DJ Batstone - Applied and environmental …, 2013 - Am Soc Microbiol
This study investigated the process of high-rate, high-temperature methanogenesis to
enable very-high-volume loading during anaerobic digestion of waste-activated sludge …