Results 71 to 80 of about 41,302 (263)

Inhibition of methanogenesis by human bile. [PDF]

Gut, 1995
The factors that regulate methanogenesis in humans have not been established. The presence of bile acid, which is lost into the colon from the small intestine, may be an important regulatory factor of methanogenesis. To examine this possibility, the effect of human bile on methane production by faecal cultures, and the in vivo effect of biliary ...
Florin T.H.J., Woods H.J.
openaire   +4 more sources

Rumen methanogenic archaea and their correlation with enteric methane emission in ruminant animals: A systematic review and meta‐analysis

JSFA reports, EarlyView.
Abstract Background Livestock, especially ruminants, are a major source of global methane emissions, primarily produced by methanogenic archaea during enteric fermentation. We performed a systematic review and meta‐analysis to account for factors that could influence the relationship between ruminal methanogenic populations and methane emissions, such ...
Arlan Araujo Rodrigues, Igor Machado Ferreira, Fiorella Viquez Umana, Juliana Silva de Oliveira, Hilario C. Mantovani   +4 more
wiley   +1 more source

Enhancement of methanogenesis by electric syntrophy with biogenic iron‐sulfide minerals

MicrobiologyOpen, 2019
Recent studies have shown that interspecies electron transfer between chemoheterotrophic bacteria and methanogenic archaea can be mediated by electric currents flowing through conductive iron oxides, a process termed electric syntrophy. In this study, we
Souichiro Kato, Kensuke Igarashi
doaj   +1 more source

Municipal wastewater treatment and associated bioenergy generation using anaerobic granular bed baffled reactor [PDF]

, 2017
This study assesses a modified anaerobic granular bed baffled reactor (GRABBR) which was assessed for municipal wastewater treatment at high organic loading rates (chemical oxygen demand ≥ 1,100 mg/l) under varying temperatures.
Akunna, Joseph, Cheddie, Denver, Tota-Maharaj, Kiran   +2 more
core   +1 more source

Quantifying temporal dynamics of greenhouse gas emissions in lake mesocosms: Deployment of a low‐cost measurement system

Limnology and Oceanography: Methods, EarlyView.
Abstract Greenhouse gas (GHG) emissions from freshwater ecosystems contribute significantly to global carbon budgets, yet they remain poorly constrained due to limited high‐frequency measurements. We tested a low‐cost, high‐frequency GHG measurement system in a long‐term mesocosm experiment in Lemming, Denmark, over a 7‐month period, focusing on CO2 ...
Tuba Bucak, Eti Ester Levi, Claus Melvad, Jianming Deng, Mikhail Mastepanov, Robert Ladwig, Thomas Alexander Davidson   +6 more
wiley   +1 more source

Microbially driven organic carbon cycling at the land−sea interface: Advances and an integrated study framework

mLife, EarlyView.
Abstract The land−sea interface is a vital component of global biogeochemical cycles, where microorganisms drive the cycling of carbon, nitrogen, and sulfur. This review synthesizes the research progress from representative land−sea interfaces to elucidate how the microbial community structure and metabolic function influence the mobilization ...
Quanrui Chen, Kai Tang, Zhili He, Meng Li, Jun Yang, Weidong Zhai, Qiang Zheng, Nianzhi Jiao   +7 more
wiley   +1 more source

The active microbial community more accurately reflects the anaerobic digestion process: 16S rRNA (gene) sequencing as a predictive tool [PDF]

, 2018
Background: Amplicon sequencing methods targeting the 16S rRNA gene have been used extensively to investigate microbial community composition and dynamics in anaerobic digestion.
de Vrieze, Jo, Ijaz, Umer Zeeshan, Pinto, Ameet J., Sloan, William T.   +3 more
core   +2 more sources

Universal and Lineage‐Specific Patterns in the Distribution of ECOD Domain Homology Groups Across Superkingdoms

Proteins: Structure, Function, and Bioinformatics, EarlyView.
ABSTRACT Proteins are built from modular domains that serve as fundamental units of structure and evolution. While individual domains have been extensively cataloged, their collective distribution across the lineages of life has remained poorly resolved.
Rui Guo, Jimin Pei, Jing Zhang, Qian Cong, Nick V. Grishin, R. Dustin Schaeffer   +5 more
wiley   +1 more source

Evidence for Seismogenic Hydrogen Gas, a Potential Microbial Energy Source on Earth and Mars [PDF]

, 2016
M thanks the STFC for a PhD studentship and the NASA Astrobiology Institute for additional funding (NNAI13AA90A; Foundations of Complex Life, Evolution, Preservation and Detection on Earth and Beyond).
Blamey, Nigel J F, McMahon, Sean, Parnell, John   +2 more
core   +1 more source

Seasonal Variation in Carbon Dynamics in the Lower Tocantins River: Influence of Discharge and Environmental Drivers

River Research and Applications, EarlyView.
ABSTRACT Tropical rivers play a key role in regional carbon budgets, yet greenhouse gas (GHG) dynamics in regulated systems remain poorly understood. This study investigates the seasonal variability of carbon dioxide (CO2) and methane (CH4) concentrations, isotopic composition (δ13C), and river‐atmosphere fluxes in the lower Tocantins River, a ...
Maria Gabriella da S. Araújo, Vania Neu, Victor M. Guedes, Marcelo Z. Moreira, Nicholas D. Ward, Alex V. Krusche   +5 more
wiley   +1 more source