Results 81 to 90 of about 11,269 (227)

Structural Analysis of a Nitrogenase Iron Protein from Methanosarcina acetivorans: Implications for CO2 Capture by a Surface-Exposed [Fe4S4] Cluster

open access: yesmBio, 2019
Nitrogenase iron (Fe) proteins reduce CO2 to CO and/or hydrocarbons under ambient conditions. Here, we report a 2.4-Å crystal structure of the Fe protein from Methanosarcina acetivorans (MaNifH), which is generated in the presence of a reductant ...
Lee A. Rettberg   +7 more
doaj   +1 more source

Microbial Community Restructuring Under Zinc Oxide Nanoparticle Stress in Membrane Bioreactors

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 5, October 2026.
Long‐term ZnO nanoparticle exposure induced extracellular stress responses and restructured microbial communities, with reduced taxonomic and phylogenetic richness and loss of key nitrogen‐transforming taxa. These ecological changes were accompanied by impaired nitrification, demonstrating that prolonged ZnO exposure can compromise the functional ...
Dongqing Zhang   +2 more
wiley   +1 more source

Effects of livestock manure properties and temperature on the methanogen community composition and methane production during storage

open access: yes, 2018
Livestock slurry stored in ponds is an important source of methane emission, which is influenced by environmental factors. In this study, the effect of slurry properties and temperature on methane flux and methanogen community composition was ...
Chong Liu (450204)   +5 more
core   +1 more source

How much methane do coal seam gas ponds emit?

open access: yesEnvironmental Research Communications
Ponds are often used to store significant volumes of water involved in coal seam gas (CSG) extraction, but methane emissions from these ponds in Australia are not well understood.
Se Gong   +4 more
doaj   +1 more source

Effects of Phloroglucinol on In Vitro Methanogenesis, Rumen Fermentation, and Microbial Population Density

open access: yesTropical Animal Science Journal, 2019
This study investigated the effect of phloroglucinol (1,3,5-trihydroxybenzene) supplementation alone on methane production, rumen fermentation profiles, and microbial population structure of mixed in vitro cultures.
K. A. Sarwono   +4 more
doaj   +1 more source

Diagnosing Anaerobic Digesters' Function and Performance: From Meta‐Omics to Integrated Meta‐Omics Analyses

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 5, October 2026.
The integration of multiple meta‐omics can tremendously improve our understanding of the structure, function and dynamics of the complex biological system in anaerobic digesters. Created in BioRender. https://BioRender.com/u9rj8ko. ABSTRACT Anaerobic digestion (AD) of organic wastes by microorganisms into biomethane contributes significantly towards ...
Kevin Iyere Ehiosun   +2 more
wiley   +1 more source

methanogens

open access: yes, 2014
Citation: 'methanogens' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.M03879 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

Is the methanogenic community reflecting the methane emissions of river sediments?—comparison of two study sites

open access: yesMicrobiologyOpen, 2017
Studies on methanogenesis from freshwater sediments have so far primarily focused on lake sediments. To expand our knowledge on the community composition of methanogenic archaea in river sediments, we studied the abundance and diversity of methanogenic ...
Prem Prashant Chaudhary   +2 more
doaj   +1 more source

The Sheaths of Methanospirillum Are Made of a New Type of Amyloid Protein

open access: yesFrontiers in Microbiology, 2018
The genera Methanospirillum and Methanosaeta contain species of anaerobic archaea that grow and divide within proteinaceous tubular sheaths that protect them from environmental stressors.
Line Friis Bakmann Christensen   +6 more
doaj   +1 more source

Electroactive Microbiomes: Electron Transfer Mechanisms and Environmental Biotechnology Applications

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 5, October 2026.
Electroactive microbiomes couple direct, mediated, conductive, and interspecies electron transfer with biofilm organisation to drive wastewater treatment, bioremediation, resource recovery, carbon conversion, and biosensing. Their performance depends on balancing electron transfer, mass transport, community structure, and electrode–biofilm interactions
Timoth Mkilima
wiley   +1 more source

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