Results 111 to 120 of about 16,954 (214)

Optimizing Genetic Manipulation of Methanogens through Faster Cloning Techniques [PDF]

open access: yes, 2018
Methanogenesis is the biological production of methane. Only anaerobic archaea known as methanogens are capable of such a metabolic feat. They have strict living conditions and substrate sources which determine their rate of metabolism.
Jennings, Merrisa
core   +2 more sources

Methane Generation Using an Anaerobic Biodigester From Waste Leachate Water

open access: yesAsia-Pacific Journal of Chemical Engineering, Volume 21, Issue 2, March/April 2026.
ABSTRACT Leachate wastewater (LWW) is characterized by slow biodegradation and low biogas production due to resistant materials and limited biological activity. Therefore, applying pretreatments is essential to improving biodegradation potential, which consequently boosts energy recovery.
Khairi R. Kalash   +5 more
wiley   +1 more source

The Role of Active Site Residues in ATP Binding and Catalysis in the Methanosarcina thermophila Acetate Kinase

open access: yesLife, 2015
Acetate kinase (ACK), which catalyzes the reversible phosphorylation of acetate by ATP, is a member of the acetate and sugar kinase/heat shock cognate/actin (ASKHA) superfamily. ASKHA family members share a common core fold that includes an ATPase domain
Cheryl Ingram-Smith   +5 more
doaj   +1 more source

Epixylic microbial communities as key regulators of methane emissions from submerged wood in a tropical hydroelectric reservoir

open access: yesLimnology and Oceanography, Volume 71, Issue 3, March 2026.
Abstract Tropical hydroelectric reservoirs are recognized hotspots for greenhouse gas emissions, yet the role of submerged forests in these emissions remains poorly understood. In this study, we investigated the contribution of standing dead trees and their associated epixylic biofilms to methane (CH4) and carbon dioxide (CO2) emissions in the ...
Fanny Colas   +12 more
wiley   +1 more source

Predicting compatibility between ferredoxins and the Fe protein of nitrogenase using in silico protein modeling

open access: yesProtein Science, Volume 35, Issue 3, March 2026.
Abstract Biological nitrogen fixation is the process by which certain bacteria and archaea use the enzyme nitrogenase to reduce atmospheric nitrogen into bioavailable ammonium. Engineering non‐nitrogen‐fixing organisms, like plants, to use nitrogenase could reduce dependency on synthetic fertilizer and mitigate the environmental impacts of industrial ...
Adity Biswas   +2 more
wiley   +1 more source

Methane-Linked Mechanisms of Electron Uptake from Cathodes by Methanosarcina barkeri

open access: yesmBio, 2019
The Methanosarcinales, a lineage of cytochrome-containing methanogens, have recently been proposed to participate in direct extracellular electron transfer interactions within syntrophic communities.
Annette R. Rowe   +6 more
doaj   +1 more source

Tetrahydrofolat-spezifische Enzyme im Baustoffwechsel von Methanosarcina barkeri sowie die Rolle von Folsäure und p-Aminobenzoesäure als Wachstumsfaktoren in diesem Archaeon [PDF]

open access: yes, 2004
Tetrahydrofolat (H4F) spielt als Überträger von C1-Einheiten im Baustoffwechsel von allen Bacteria und Eucarya und von einigen Archaea eine wichtige Rolle in der Synthese von C1-Einheiten enthaltenden Verbindungen wie Purine, Thymidin und Methionin.
Buchenau, Bärbel   +1 more
core   +1 more source

Anaerobic Digester Bioaugmentation Influences Quasi Steady State Performance and Microbial Community [PDF]

open access: yes, 2016
Nine anaerobic digesters, each seeded with biomass from a different source, were operated identically and their quasi steady state function was compared.
Hamelin, J.   +3 more
core   +1 more source

Idiosyncratic evolution of conserved eukaryote proteins that are similar in sequence to archaeal or bacterial proteins [PDF]

open access: yes, 2008
Sequence comparisons have been made between the proteins of 571 prokaryote species including 46 archaea and 525 bacteria and the set of human proteins.
Roy J. Britten
core   +2 more sources

Toxicity of long chain fatty acids towards acetate conversion by Methanosaeta concilii and Methanosarcina mazei [PDF]

open access: yes, 2016
Long-chain fatty acids (LCFA) can inhibit methane production by methanogenic archaea. The effect of oleate and palmitate on pure cultures of Methanosaeta concilii and Methanosarcina mazei was assessed by comparing methane production rates from acetate ...
Alves, M. M.   +6 more
core   +2 more sources

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