Results 51 to 60 of about 10,170 (250)

Augmenting Biogas Process Modeling by Resolving Intracellular Metabolic Activity [PDF]

open access: yes, 2019
The process of anaerobic digestion in which waste biomass is transformed to methane by complex microbial communities has been modeled for more than 16 years by parametric gray box approaches that simplify process biology and do not resolve intracellular ...
Denny Popp   +7 more
core   +1 more source

Selenocysteine, pyrrolysine and the unique energy metabolism of methanogenic archaea [PDF]

open access: yes, 2010
Methanogenic archaea are a group of strictly anaerobic microorganisms characterized by their strict dependence on the process of methanogenesis for energy conservation.
Krzycki, Joseph A., Rother, Michael
core   +3 more sources

Theoretical characterisation of electron tunnelling from granular activated carbon to electron accepting organisms in direct interspecies electron transfer

open access: yesScientific Reports, 2022
Direct interspecies electron transfer (DIET) has been identified as an efficient metabolism between symbiotically interacting organisms. One method of DIET uses conductive materials (e.g., granular activated carbon (GAC)) as a medium to shuttle electrons
Rohan Rao, Jing Hu, Po-Heng Lee
doaj   +1 more source

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

open access: yes, 2019
Methane producing microbial communities are of ecological and biotechnological interest. Syntrophic interactions among sulphate reducers and aceto/hydrogenotrophic and obligate hydrogenotrophic methanogens form a key component of these communities, yet ...
Chen, Jing   +3 more
core   +3 more sources

Geobacter grbiciae—A New Electron Donor in the Formation of Co-Cultures via Direct Interspecies Electron Transfer

open access: yesMicrobiology Research, 2023
Geobacter grbiciae can grow via coupling oxidation of ethanol to the reduction of various forms of soluble Fe(III) and poorly crystalline Fe(III) oxide, suggesting that G.
Panbo Deng   +4 more
doaj   +1 more source

Experimental investigation on the controls of clumped isotopologue and hydrogen isotope ratios in microbial methane [PDF]

open access: yes, 2018
Author Posting. © The Author(s), 2018. This is the author's version of the work. It is posted here under a nonexclusive, irrevocable, paid-up, worldwide license granted to WHOI. It is made available for personal use, not for redistribution.
Goldhammer, Tobias   +8 more
core   +1 more source

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

A unified and simple medium for growing model methanogens

open access: yesFrontiers in Microbiology, 2023
Apart from their archetypic use in anaerobic digestion (AD) methanogenic archaea are targeted for a wide range of applications. Using different methanogenic archaea for one specific application requires the optimization of culture media to enable the ...
Daniel Dzofou Ngoumelah   +7 more
doaj   +1 more source

Die Demethylierung von Dimethylselenid ist eine adaptive Antwort des Archaeons Methanococcus voltae [PDF]

open access: yes, 2004
Im natürlichen Lebensraum von Methanococcus voltae kommt Selen in unterschiedlichen Verbindungen und Konzentration vor. So variiert der Selengehalt im Mündungswasser verschiedener Flüsse zwischen 0,1 und 63 nM.
Niess, Ulf Michael, Prof. Dr. A. Klein
core   +1 more source

Paramagnetic centers of carbon monoxide dehydrogenase from aceticlastic Methanosarcina barkeri

open access: hybridJournal of Biological Chemistry, 1989
Carbon monoxide dehydrogenase from Methanosarcina barkeri, purified to 95% homogeneity, contains 30 Fe, 2 Ni, 1 Zn, and 1 Cu (per alpha 2 beta 2 enzyme). Core extrusion experiments indicate 6 [4Fe-4S] clusters/tetramer, and electron paramagnetic resonance (epr) spectroscopy detects at least one of these clusters, in the reduced form, with apparent g ...
Joseph A. Krzycki   +2 more
openalex   +3 more sources

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