Results 41 to 50 of about 48,360 (283)

Effect of ammonium and acetate on methanogenic pathway and methanogenic community composition [PDF]

open access: yesFEMS Microbiology Ecology, 2012
Methanogenesis from acetate (aceticlastic methanogenesis or syntrophic acetate oxidation (SAO) coupled with hydrogenotrophic methanogenesis) is the most important step for the biogas process. The major environmental factors influencing methanogenesis are volatile fatty acids, ammonia, pH, and temperature. In our study, the effect of acetate and ammonia
Ioannis A, Fotidis   +4 more
openaire   +2 more sources

Evidence for a plasmid in a methanogenic bacterium [PDF]

open access: yesJournal of Bacteriology, 1983
Among 15 strains of methanogens, one plasmid, pMP1, was identified in the new coccoid isolate PL-12/M. It could not be detected in the cleared lysate, but it was detected in the viscous pellet. The plasmid had a molecular weight of ca. 4.6 x 10(6). A restriction enzyme cleavage map of the cloned plasmid was derived.
Thomm, Michael   +2 more
openaire   +3 more sources

Spatial Variations of the Methanogenic Communities in the Sediments of Tropical Mangroves. [PDF]

open access: yesPLoS ONE, 2016
Methane production by methanogens in mangrove sediments is known to contribute significantly to global warming, but studies on the shift of methanogenic community in response to anthropogenic contaminations were still limited.
Hongmei Jing   +5 more
doaj   +1 more source

Unravelling the active microbial community in a thermophilic anaerobic digester-microbial electrolysis cell coupled system under different conditions [PDF]

open access: yes, 2017
Thermophilic anaerobic digestion (AD) of pig slurry coupled to a microbial electrolysis cell (MEC) with a recirculation loop was studied at lab-scale as a strategy to increase AD stability when submitted to organic and nitrogen overloads.
Bonmatí Blasi, August   +2 more
core   +2 more sources

Response of Methanogens in Arctic Sediments to Temperature and Methanogenic Substrate Availability

open access: yesPLOS ONE, 2015
Although cold environments are major contributors to global biogeochemical cycles, comparatively little is known about their microbial community function, structure, and limits of activity. In this study a microcosm based approach was used to investigate the effects of temperature, and methanogenic substrate amendment, (acetate, methanol and H2/CO2) on
Blake LI   +4 more
openaire   +8 more sources

Resonance Raman analysis of intracellular vitamin B12 analogs in methanogenic archaea

open access: yesAnalytical Science Advances, 2022
Methanogenic archaea (methanogens) are microorganisms that can synthesize methane. They are found in diverse environments ranging from paddy fields to animal digestive tracts to deep‐sea hydrothermal vents.
Nanako Kanno   +4 more
doaj   +1 more source

Isoprene Production from Municipal Wastewater Biosolids by Engineered Archaeon Methanosarcina acetivorans

open access: yesApplied Sciences, 2021
Wastewater biosolids are a promising feedstock for production of value-added renewable chemicals. Methane-producing archaea (methanogens) are already used to produce renewable biogas via the anaerobic treatment of wastewater.
Sean Carr   +2 more
doaj   +1 more source

ADP-dependent Phosphofructokinases in Mesophilic and Thermophilic Methanogenic Archaea [PDF]

open access: yes, 2001
Phosphofructokinase (PFK) is a key enzyme of the glycolytic pathway in all domains of life. Two related PFKs, ATP-dependent and PPi-dependent PFK, have been distinguished in bacteria and eucarya, as well as in some archaea.
Verhees, C.H.   +5 more
core   +1 more source

Sulfate-reducing bacteria and methanogens are involved in arsenic methylation and demethylation in paddy soils

open access: yesThe ISME Journal, 2019
Microbial arsenic (As) methylation and demethylation are important components of the As biogeochemical cycle. Arsenic methylation is enhanced under flooded conditions in paddy soils, producing mainly phytotoxic dimethylarsenate (DMAs) that can cause rice
Chuan Chen   +7 more
semanticscholar   +1 more source

Cross-reactivity of antibodies to different rumen methanogens demonstrated using immunomagnetic capture technology

open access: yesFrontiers in Microbiology, 2022
Methane is produced in the rumen of ruminant livestock by methanogens, accounting for approximately 14.5% of anthropogenic greenhouse gas emissions in terms of global warming potential.
Sofia Khanum   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy