Results 71 to 80 of about 9,690 (195)

Archaea and Bacteria Acclimate to High Total Ammonia in a Methanogenic Reactor Treating Swine Waste [PDF]

open access: yes, 2016
Citation: Esquivel-Elizondo, S., Parameswaran, P., Delgado, A. G., Maldonado, J., Rittmann, B. E., & Krajmalnik-Brown, R. (2016). Archaea and Bacteria Acclimate to High Total Ammonia in a Methanogenic Reactor Treating Swine Waste.
Delgado, A. G.   +5 more
core   +3 more sources

Telemetric Assessment and Comparison of Regional Colonic Metabolic Activity in Ambulant Healthy Individuals Using pH and Gas‐Sensing Wireless Motility Capsules

open access: yesAlimentary Pharmacology &Therapeutics, Volume 63, Issue 2, Page 242-253, January 2026.
Evaluation of the novel gas‐sensing wireless motility capsules in healthy cohorts demonstrated that, in addition to quantifying regional transit times, hydrogen and carbon dioxide concentrations provide unique and reproducible insight into locoregional colonic physiology pertaining to microbial metabolic activity and fermentation.
Phoebe A. Thwaites   +10 more
wiley   +1 more source

Humin Assists Reductive Acetogenesis in Absence of Other External Electron Donor

open access: yesInternational Journal of Environmental Research and Public Health, 2020
The utilization of extracellular electron transfer by microorganism is highly engaging for remediation of toxic pollutants under “energy-starved” conditions. Humin, an organo-mineral complex of soil, has been instrumental as an external electron mediator
M. Laskar   +3 more
semanticscholar   +1 more source

Habitat Diversity Sustains Ecosystem Functioning in Plateau Arid‐Region Wetlands

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
Habitat diversity underpins both biodiversity and functional biogeochemical processes in plateau arid‐region wetlands, thereby stabilizing ecosystem functioning. These functionally complementary habitats collectively drive critical ecosystem processes.
Chenyu Wang   +9 more
wiley   +1 more source

Complex Multimeric [FeFe] Hydrogenases: Biochemistry, Physiology and New Opportunities for the Hydrogen Economy

open access: yesFrontiers in Microbiology, 2018
Hydrogenases are key enzymes of the energy metabolism of many microorganisms. Especially in anoxic habitats where molecular hydrogen (H2) is an important intermediate, these enzymes are used to expel excess reducing power by reducing protons or they are ...
Kai Schuchmann   +2 more
doaj   +1 more source

Hydrocarbon seepage in the deep seabed links subsurface and seafloor biospheres [PDF]

open access: yes, 2020
© The Author(s), 2020. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Chakraborty, A., Ruff, S. E., Dong, X., Ellefson, E. D., Li, C., Brooks, J. M., McBee, J., Bernard, B.
Bernard, Bernie B.   +8 more
core   +1 more source

Metagenomic Insights Into the Ecology, Taxonomy and Metabolic Capabilities of ‘Candidatus Darwinibacteriales’ Ord. Nov. (Formerly MBA03), a Potential Key Player in Anaerobic Digestion

open access: yesMicrobial Biotechnology, Volume 18, Issue 12, December 2025.
Metagenomic analysis of anaerobic digesters revealed a dominant, uncultured bacterial taxon—MBA03—now proposed as ‘Candidatus Darwinibacteriales’ ord. nov. This newly defined order includes potential syntrophic acetate‐oxidising bacteria (SAOB), suggesting a key role in methane production.
Roser Puchol‐Royo   +9 more
wiley   +1 more source

Energy-Conserving Enzyme Systems Active During Syntrophic Acetate Oxidation in the Thermophilic Bacterium Thermacetogenium phaeum

open access: yesFrontiers in Microbiology, 2019
The thermophilic acetogen Thermacetogenium phaeum uses the Wood-Ljungdahl pathway (WLP) in both directions, either for the production of acetate from various compounds or for the oxidation of acetate in syntrophic cooperation with methanogens.
Anja Keller   +4 more
doaj   +1 more source

Reducing Enteric Methanogenesis through Alternate Hydrogen Sinks in the Rumen

open access: yesMethane, 2022
Climate change and the urgent need to reduce greenhouse gas (GHG) emission from agriculture has resulted in significant pressure on the livestock industry for advanced practices that are environmentally more sustainable. Livestock is responsible for more
Prasanta Kumar Choudhury   +3 more
doaj   +1 more source

Graphitized Biochar Derived from Agricultural Wastes Enhances Methanogenesis via Conductivity‐Driven Direct Interspecies Electron Transfer

open access: yesAdvanced Science, Volume 12, Issue 41, November 6, 2025.
This work clarifies how feedstocks and their structural features promote methanogenesis, and identifies the key regulatory factors, reducing pollution to the global environment, and also helps to alleviate the energy crisis. This is the first study to systematically link feedstock lignin content, pyrolysis conditions, biochar graphitization, and DIET ...
Caiyun Yang   +18 more
wiley   +1 more source

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