Results 11 to 20 of about 34,823 (216)

Codh/Acs-Deficient Methanogens Are Prevalent in Anaerobic Digesters

open access: yesMicroorganisms, 2021
Methanogens are archaea that grow by producing methane as a catabolic end product and thrive in diverse anaerobic habitats, including soil, sediments, oil reservoirs, digestive tracts, and anaerobic digesters.
Misa Nagoya   +2 more
doaj   +2 more sources

The hydrogen threshold of obligately methyl-reducing methanogens

open access: yesFEMS Microbiology Letters, 2020
Methanogenesis is the final step in the anaerobic degradation of organic matter. The most important substrates of methanogens are hydrogen plus carbon dioxide and acetate, but also the use of methanol, methylated amines, and aromatic methoxy groups ...
Christopher Feldewert   +2 more
semanticscholar   +2 more sources

Methanogens: pushing the boundaries of biology [PDF]

open access: yesEmerging Topics in Life Sciences, 2018
Methanogens are anaerobic archaea that grow by producing methane gas. These microbes and their exotic metabolism have inspired decades of microbial physiology research that continues to push the boundary of what we know about how microbes conserve energy
Nicole R. Buan
semanticscholar   +2 more sources

Method for indirect quantification of CH4 production via H2O production using hydrogenotrophic methanogens

open access: yesFrontiers in Microbiology, 2016
ydrogenotrophic methanogens are an intriguing group of microorganisms from the domain Archaea. They exhibit extraordinary ecological, biochemical, physiological characteristics colorbox{yellow}{and have a huge biotechnological potential}.
Ruth-Sophie eTaubner   +3 more
doaj   +2 more sources

Digestive tract methanodrome: Physiological roles of human microbiota-associated methanogens.

open access: yesMicrobial Pathogenesis, 2020
Methanogens are the archaea most commonly found in humans, in particular in the digestive tract and are an integral part of the digestive microbiota.
C. O. Guindo, M. Drancourt, G. Grine
semanticscholar   +2 more sources

Increasing sulfate levels show a differential impact on synthetic communities comprising different methanogens and a sulfate reducer

open access: yesJournal of the Royal Society Interface, 2019
Methane-producing microbial communities are of ecological and biotechnological interest. Syntrophic interactions among sulfate reducers and aceto/hydrogenotrophic and obligate hydrogenotrophic methanogens form a key component of these communities, yet ...
Matthew Wade, Jan Dolfing, Orkun S Soyer
exaly   +2 more sources

Using metagenomics tool to evaluate the enrichment efficiency of methanogens in marine sediment in Truong Sa archipelage, Khanh Hoa province, Vietnam [PDF]

open access: yesE3S Web of Conferences, 2023
Methanogens (archaea bacteria that produce methan) play an important role in the anaerobic digestion of organic waste, however, in marine environment, the low density of methanogens makes anaerobic digestion very slow.
Nguyen Thu Hoai   +5 more
doaj   +1 more source

Magnetite Alters the Metabolic Interaction between Methanogens and Sulfate-Reducing Bacteria

open access: yesEnvironmental Science and Technology, 2023
It is known that the presence of sulfate decreases the methane yield in the anaerobic digestion systems. Sulfate-reducing bacteria can convert sulfate to hydrogen sulfide competing with methanogens for substrates such as H2 and acetate.
Ginevra Giangeri   +8 more
semanticscholar   +1 more source

Distinguishing responses of acetoclastic and hydrogenotrophic methanogens to ammonia stress in mesophilic mixed cultures.

open access: yesWater Research, 2022
A shift from the acetoclastic to the hydrogenotrophic pathway in methanogenesis under ammonia inhibition is a common observation in anaerobic digestion. However, there are still considerable knowledge gaps concerning the differential ammonia tolerance of
Zhongzhong Wang   +7 more
semanticscholar   +1 more source

Homo-Acetogens: Their Metabolism and Competitive Relationship with Hydrogenotrophic Methanogens

open access: yesMicroorganisms, 2022
Homo-acetogens are microbes that have the ability to grow on gaseous substrates such as H2/CO2/CO and produce acetic acid as the main product of their metabolism through a metabolic process called reductive acetogenesis.
Supriya C. Karekar   +2 more
semanticscholar   +1 more source

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