Results 211 to 220 of about 10,170 (250)

Influence des inhibiteurs non minéraux sur la méthanisation [PDF]

Tran, Kim-Lan
core  

Enhancement of biogas production using nanostructured magnetite (Fe₃O₄) in a biodigester fed with Peruvian guinea pig manure. [PDF]

RSC Adv
Flores Vargas R, Gómez Hernández WE, Macazana López KE, Luyo Caycho CA, Muñoz Baca YA, Tito HAR, Quintana Cáceda ME.   +6 more
europepmc   +1 more source

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Metabolic Regulation of Mesophilic Methanosarcina barkeri to Ammonium Inhibition.

Environmental Science & Technology, 2022
Undesirable ammonium concentrations can lead to unstable anaerobic digestion processes, and Methanosarcina spp. are the representative methanogens under inhibition.
Haowen Duan, P. He, Hua Zhang, L. Shao, Fan Lü   +4 more
semanticscholar   +3 more sources

Physiological Responses of Methanosarcina barkeri under Ammonia Stress at the Molecular Level: The Unignorable Lipid Reprogramming.

Environmental Science and Technology, 2023
Acetotrophic methanogens' dysfunction in anaerobic digestion under ammonia pressure has been widely concerned. Lipids, the main cytomembrane structural biomolecules, normally play indispensable roles in guaranteeing cell functionality.
Chao Liu, Xuemeng Zhang, Chuang Chen, Yue Yin, Guohua Zhao, Yinguang Chen   +5 more
semanticscholar   +1 more source

Revealing Co‐N4@Co‐NP Bridge‐Enabled Fast Charge Transfer and Active Intracellular Methanogenesis in Bio‐Electrochemical CO2‐Conversion with Methanosarcina Barkeri

Advances in Materials, 2023
To significantly advance the bio‐electrochemical CO2‐conversion rate and unfold the correlation between the abiotic electrode and the attached microorganisms, an atomic‐nanoparticle bridge of Co‐N4@Co‐NP crafted in metal–organic frameworks‐derived ...
Rongxin Xia, Jun Cheng, Zhuo Chen, Ze Zhang, Xinyi Zhou, Junhu Zhou, Meng Zhang   +6 more
semanticscholar   +1 more source

Anaerobic methane oxidation coupled to ferrihydrite reduction by Methanosarcina barkeri.

Science of The Total Environment, 2022
Fe(III) has been recognized as a potential electron sink for the anaerobic oxidation of methane (Fe-AOM) in diverse environments. However, most of previous Fe-AOM processes are limited to ANME archaea and the Fe-AOM mechanism remains unclear. Here we investigate, for the first time, the Fe-AOM performance and mechanisms by a single methanogen ...
Linpeng Yu, Dan He, L. Yang, C. Rensing, R. Zeng, Shungui Zhou   +5 more
semanticscholar   +3 more sources

Acetate metabolism inMethanosarcina barkeri

Archives of Microbiology, 1978
Methanosarcina barkeri was grown by acetate fermentation in complex medium (N2 gas phase). The molar growth yield was 1.6–1.9 g cells/mol methane formed. Under these conditions 63–82% of the methane produced byMethanosarcina strains was derived from the methyl carbon of acetate, indicating that some methane was derived from other media components ...
P J, Weimer, J G, Zeikus
openaire   +2 more sources

Two F 420 -reducing hydrogenases in Methanosarcina barkeri

Archives of Microbiology, 1998
F420-reducing hydrogenases are nickel iron-sulfur flavoproteins involved in CO2 reduction with H2 to methane in methanogenic archaea. Evidence is presented that Methanosarcina barkeri contains two isoenzymes for which the encoding genes have been cloned and sequenced.
, Vaupel, , Thauer
openaire   +2 more sources

Methyltransferases involved in methanol conversion by Methanosarcina barkeri

Archives of Microbiology, 1983
2-(Methylthio)ethanesulfonate (CH3S-CoM) is formed as an intermediate in methanogenesis from methanol by cell-free extracts of Methanosarcina barkeri. The enzyme system involved in the methyl transfer from methanol to 2-mercaptoethanesulfonate (HS-CoM) was resolved into two enzyme fractions.
P, van der Meijden, H J, Heythuysen, A, Pouwels, F, Houwen, C, van der Drift, G D, Vogels   +5 more
openaire   +2 more sources