Results 91 to 100 of about 11,269 (227)

Small intestinal bacterial overgrowth and intestinal methanogen overgrowth in gastrointestinal malignancies

open access: yes
Small intestinal bacterial overgrowth (SIBO) is defined by an abnormal proliferation of colon-specific bacteria in the small intestine, whereas intestinal methanogen overgrowth (IMO) manifests with an increase of methane-producing archaea, specifically ...
Katarzyna Frąckiewicz   +4 more
core   +1 more source

Combined Genomic, Transcriptomic, Proteomic, and Physiological Characterization of the Growth of Pecoramyces sp. F1 in Monoculture and Co-culture With a Syntrophic Methanogen

open access: yesFrontiers in Microbiology, 2019
In this study, the effects of a syntrophic methanogen on the growth of Pecoramyces sp. F1 was investigated by characterizing fermentation profiles, as well as functional genomic, transcriptomic, and proteomic analysis.
Yuanfei Li   +13 more
doaj   +1 more source

Water Table and Vegetation Shape Peatland CO2 and CH4 Fluxes With Water Table Modulating Temperature Sensitivity

open access: yesGlobal Change Biology, Volume 32, Issue 10, October 2026.
Using 14,643 chamber observations from 285 peatland sites, we found that wetter conditions were associated with higher CH4 emissions but lower ecosystem respiration and combined CO2‐equivalent emissions. Apparent CH4 temperature sensitivity also increased with water‐table level, suggesting that fixed Q10 values may misrepresent warming responses ...
Heyu Chen   +14 more
wiley   +1 more source

Relating Methanogen Community Structure and Function in Anaerobic Digesters [PDF]

open access: yes, 2012
A deeper understanding of how microbial community structure relates to process function would help improve anaerobic digester design. This dissertation describes both qualitative and quantitative relationships between anaerobic digester function and ...
Bocher, Benjamin T.W.
core  

Significant Reduction in Ethane Emissions in the Denver‐Julesburg Basin From 2015 to 2021 From Oil and Natural Gas Operations

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 17, 16 September 2026.
Abstract Top‐down studies of methane (CH4) emissions often use the average ethane‐to‐methane (C2/C1) ratio of wellhead gas in a basin to attribute emissions to thermogenic or biogenic sources. Biogenic CH4 sources (ruminants, wetlands, landfills, and other methanogenic sources) do not co‐produce ethane (C2H6); the presence of C2H6 indicates a ...
Mercy C. Ngulat   +10 more
wiley   +1 more source

Steady-State and Time-Resolved Spectroscopy of F420 Extracted from Methanogen Cells [PDF]

open access: yes, 1999
The methanogen electron carrier F420 was extracted from a methanogen cell culture, Methanobrevibacter ruminantium, and separated from other cell components by a single anion exchange chromatographic process.
Kraus, George   +5 more
core  

Extracellular Electron Uptake by Two Methanosarcina Species

open access: yesFrontiers in Energy Research, 2019
Direct electron uptake by prokaryotes is a recently described mechanism with a potential application for energy and CO2 storage into value added chemicals.
Mon Oo Yee   +5 more
doaj   +1 more source

Isocyanides as a Chemical Tool for Identifying [Fe]‐Hydrogenase‐Dependent Methanogenesis

open access: yesChemBioChem, Volume 27, Issue 17, 14 September 2026.
In model methanogens, [Fe]‐hydrogenase (Hmd) substitutes nickel‐dependent hydrogenases under nickel‐limited conditions. We determined the inhibitory effects of the Hmd inhibitor, isocyanides, on methanogenesis in a cell extract and in a cell suspension.
Shunsuke Nomura, Seigo Shima
wiley   +1 more source

A Genetic System for Methanocaldococcus jannaschii: An Evolutionary Deeply Rooted Hyperthermophilic Methanarchaeon

open access: yesFrontiers in Microbiology, 2019
Phylogenetically deeply rooted methanogens belonging to the genus of Methanocaldococcus living in deep-sea hydrothermal vents derive energy exclusively from hydrogenotrophic methanogenesis, one of the oldest respiratory metabolisms on Earth.
Dwi Susanti   +4 more
doaj   +1 more source

Growth of hydrogenotrophic methanogen Methanoculleus bourgensis MAB1 in the presence of dunite [PDF]

open access: yes
This study investigated the long-term potential of low-temperature serpentinization of dunite to support the growth of the hydrogenotrophic methanogen Methanoculleus bourgensis strain MAB1.
Schnürer, Anna, Isaksson, Simon
core   +1 more source

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