Academic literature on the topic 'Acetotrophic methane producing'

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Journal articles on the topic "Acetotrophic methane producing"

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ZINDER, S. H., K. R. SOWERS, and J. G. FERRY. "NOTES: Methanosarcina thermophila sp. nov., a Thermophilic, Acetotrophic, Methane-Producing Bacterium." International Journal of Systematic Bacteriology 35, no. 4 (1985): 522–23. http://dx.doi.org/10.1099/00207713-35-4-522.

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Singh, Suniti, Johanna M. Rinta-Kanto, Riitta Kettunen, et al. "Acetotrophic Activity Facilitates Methanogenesis from LCFA at Low Temperatures: Screening from Mesophilic Inocula." Archaea 2019 (May 2, 2019): 1–16. http://dx.doi.org/10.1155/2019/1751783.

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The inoculum source plays a crucial role in the anaerobic treatment of wastewaters. Lipids are present in various wastewaters and have a high methanogenic potential, but their hydrolysis results in the production of long chain fatty acids (LCFAs) that are inhibitory to anaerobic microorganisms. Screening of inoculum for the anaerobic treatment of LCFA-containing wastewaters has been performed at mesophilic and thermophilic conditions. However, an evaluation of inocula for producing methane from LCFA-containing wastewater has not yet been conducted at low temperatures and needs to be undertaken
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Matsuda, Shuhei, Takahiro Yamato, Yoshiyuki Mochizuki, Yoshinori Sekiguchi, and Takashi Ohtsuki. "Batch-Mode Analysis of Thermophilic Methanogenic Microbial Community Changes in the Overacidification Stage in Beverage Waste Treatment." International Journal of Environmental Research and Public Health 17, no. 20 (2020): 7514. http://dx.doi.org/10.3390/ijerph17207514.

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Biogasification by methane fermentation is an important and effective way to utilize beverage wastes. Beverage wastes are good feedstocks for methane fermentation because of their richness in sugars and proteins, although overacidification and inhibition of methane production caused by high substrate loading often become problematic. This study investigated changes in microbial communities in the overacidification state of the thermophilic methane fermentation process with beverage waste by establishing a simulated batch culture. We assessed 20 mL-scale batch cultures using a simulant beverage
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Prakash, Divya, Prashanti R. Iyer, Suharti Suharti, et al. "Structure and function of an unusual flavodoxin from the domainArchaea." Proceedings of the National Academy of Sciences 116, no. 51 (2019): 25917–22. http://dx.doi.org/10.1073/pnas.1908578116.

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Flavodoxins, electron transfer proteins essential for diverse metabolisms in microbes from the domainBacteria, are extensively characterized. Remarkably, although genomic annotations of flavodoxins are widespread in microbes from the domainArchaea, none have been isolated and characterized. Herein is described the structural, biochemical, and physiological characterization of an unusual flavodoxin (FldA) fromMethanosarcina acetivorans, an acetate-utilizing methane-producing microbe of the domainArchaea. In contrast to all flavodoxins, FldA is homodimeric, markedly less acidic, and stabilizes a
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Detman, Anna, Michał Bucha, Laura Treu, et al. "Evaluation of acidogenesis products’ effect on biogas production performed with metagenomics and isotopic approaches." Biotechnology for Biofuels 14, no. 1 (2021). http://dx.doi.org/10.1186/s13068-021-01968-0.

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Abstract Background During the acetogenic step of anaerobic digestion, the products of acidogenesis are oxidized to substrates for methanogenesis: hydrogen, carbon dioxide and acetate. Acetogenesis and methanogenesis are highly interconnected processes due to the syntrophic associations between acetogenic bacteria and hydrogenotrophic methanogens, allowing the whole process to become thermodynamically favorable. The aim of this study is to determine the influence of the dominant acidic products on the metabolic pathways of methane formation and to find a core microbiome and substrate-specific
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Deng, Yuying, Weihua Li, Wenquan Ruan, and Zhenxing Huang. "Applying EEM- PARAFAC Analysis With Quantitative Real-Time PCR to Monitor Methanogenic Activity of High-Solid Anaerobic Digestion of Rice Straw." Frontiers in Microbiology 12 (February 11, 2021). http://dx.doi.org/10.3389/fmicb.2021.600126.

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The methanogenic activity is an important indicator to assess the efficiency of high-solid anaerobic digestion. However, it is not yet elucidated clearly how to detect the parameter rapidly and reliably in the rice straw feeding reactor. Co-inoculated with ruminal digesta and anaerobic sludge, the digestion performance was studied at three different organic loading rates (OLRs). The excitation emission matrix–parallel factor analysis (EEM–PARAFAC) was used to detect dynamic changes in the characteristic of fluorescence components. Our results revealed that CH4 productivity reached 280.90 mL/g
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Jasso-Chávez, Ricardo, César Diaz-Perez, José S. Rodríguez-Zavala, and James G. Ferry. "Functional Role of MrpA in the MrpABCDEFG Na+/H+ Antiporter Complex from the Archaeon Methanosarcina acetivorans." Journal of Bacteriology 199, no. 2 (2016). http://dx.doi.org/10.1128/jb.00662-16.

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ABSTRACT The multisubunit cation/proton antiporter 3 family, also called Mrp, is widely distributed in all three phylogenetic domains (Eukarya, Bacteria, and Archaea). Investigations have focused on Mrp complexes from the domain Bacteria to the exclusion of Archaea, with a consensus emerging that all seven subunits are required for Na+/H+ antiport activity. The MrpA subunit from the MrpABCDEFG Na+/H+ antiporter complex of the archaeon Methanosarcina acetivorans was produced in antiporter-deficient Escherichia coli strains EP432 and KNabc and biochemically characterized to determine the role of
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Dissertations / Theses on the topic "Acetotrophic methane producing"

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Souidi, Khadidja. "Mikrobielle Diversität in Biogasreaktoren." Doctoral thesis, Humboldt-Universität zu Berlin, Landwirtschaftlich-Gärtnerische Fakultät, 2008. http://dx.doi.org/10.18452/15872.

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Die Effizienz von Biogasreaktoren hängt im wesentlichen Maße von der Substratverwertung durch die beteiligte Mikroflora ab. Die genaue Zusammensetzung der mikrobiellen Gemeinschaft ist jedoch bislang nur oberflächlich charakterisiert. In dieser Studie wird daher eine Übersicht über die mikrobielle Diversität in verschiedenen Biogasreaktorentypen (Rührkesselreaktor, Leach-bed-Reaktor, Festbett-Anaerobfilter) während der Fermentation verschiedener pflanzlicher Substrate (Mais-, Rüben-, Triticum-Ganzpflanzensilage, teilweise in Kofermentation mit Rindergülle) gegeben. Die Charakterisierung der Mi
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