Academic literature on the topic '<i>Methanosphaera stadtmanae</i>'

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Journal articles on the topic "<i>Methanosphaera stadtmanae</i>"

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Dridi, Bédis, Saber Khelaifia, Marie-Laure Fardeau, Bernard Ollivier, and Michel Drancourt. "Tungsten-enhanced growth of Methanosphaera stadtmanae." BMC Research Notes 5, no. 1 (2012): 238. http://dx.doi.org/10.1186/1756-0500-5-238.

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Lin, Zhaosheng, and Richard Sparling. "Investigation of serine hydroxymethyltransferase in methanogens." Canadian Journal of Microbiology 44, no. 7 (1998): 652–56. http://dx.doi.org/10.1139/w98-050.

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The cofactor specificity of serine hydroxymethyltransferase (SHMT) activities was tested in extracts of several methanogens using tetrahydromethanopterin (H4MPt) from Methanobacterium thermoautotrophicum Marburg, tetrahydrosarcinapterin (H4SPt) from Methanosarcina barkeri, and tetrahydrofolate (H4folate) as the potential C1 carrier. In Methanosphaera stadtmanae and Methanococcus thermolithotrophicus, the activities were H4MPt dependent. In Methanospirillum hungatei GP1, Methanosaeta concilii, Methanolobus tindarius, and Methanosarcina barkeri Fusaro, the activities were strictly H4folate depen
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Jones, William J., and Gunther U. Holzer. "The Polar and Neutral Lipid Composition of Methanosphaera stadtmanae." Systematic and Applied Microbiology 14, no. 2 (1991): 130–34. http://dx.doi.org/10.1016/s0723-2020(11)80290-0.

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Blais Lecours, Pascale, David Marsolais, Yvon Cormier, et al. "Increased Prevalence of Methanosphaera stadtmanae in Inflammatory Bowel Diseases." PLoS ONE 9, no. 2 (2014): e87734. http://dx.doi.org/10.1371/journal.pone.0087734.

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Sparling, Richard, Laurel Thorlacius Holth, and Zhaosheng Lin. "Sodium ion dependent active transport of leucine in Methanosphaera stadtmanae." Canadian Journal of Microbiology 39, no. 8 (1993): 749–53. http://dx.doi.org/10.1139/m93-110.

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A Na+-dependent active transport system for leucine has been observed in Methanosphaera stadtmanae. The Km for leucine as determined was 20 μM with a Vmax of 3.2 nmol∙min−1∙mg protein−1. A minimum of 5 mM Na+ was required for optimal uptake rates. After correction for unspecific binding and incorporation into trichloroacetic acid precipitable materials, [14C]leucine was accumulated inside the cell to concentrations &gt; 100 times higher than in the medium. The uptake of leucine into active cells was inhibited by the protonophore 3,3′,4′5-tetrachlorosalicylanilide but stimulated by the syntheti
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Sparling, Richard, Michael Blaut, and Gerhard Gottschalk. "Bioenergetic studies of Methanosphaera stadtmanae, an obligate H2–methanol utilising methanogen." Canadian Journal of Microbiology 39, no. 8 (1993): 742–48. http://dx.doi.org/10.1139/m93-109.

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In Methanosphaera stadtmanae producing methane from the reduction of methanol with H2, sodium (&gt; 0.3 mM Na+) was not required for methanogenesis or ATP synthesis. The ATPase inhibitor N,N′-dicyclohexylcarbodiimide inhibited both ATP synthesis and methanogenesis, but was only effective in the presence of low Na+ (&lt; 1 mM). The observed N,N′ -dicyclohexylcarbodiimide inhibition of methanogenesis was relieved by the addition of the protonophore 3,3′,4′,5-tetrachlorosalicylanilide. 3,3′,4′,5-Tetrachlorosalicylanilide itself caused a rapid decrease in the intracellular ATP concentration and st
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Fricke, Wolfgang F., Henning Seedorf, Anke Henne, et al. "The Genome Sequence of Methanosphaera stadtmanae Reveals Why This Human Intestinal Archaeon Is Restricted to Methanol and H2 for Methane Formation and ATP Synthesis." Journal of Bacteriology 188, no. 2 (2006): 642–58. http://dx.doi.org/10.1128/jb.188.2.642-658.2006.

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ABSTRACT Methanosphaera stadtmanae has the most restricted energy metabolism of all methanogenic archaea. This human intestinal inhabitant can generate methane only by reduction of methanol with H2 and is dependent on acetate as a carbon source. We report here the genome sequence of M. stadtmanae, which was found to be composed of 1,767,403 bp with an average G+C content of 28% and to harbor only 1,534 protein-encoding sequences (CDS). The genome lacks 37 CDS present in the genomes of all other methanogens. Among these are the CDS for synthesis of molybdopterin and for synthesis of the carbon
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Bang, Corinna, Katrin Weidenbach, Thomas Gutsmann, Holger Heine, and Ruth A. Schmitz. "The Intestinal Archaea Methanosphaera stadtmanae and Methanobrevibacter smithii Activate Human Dendritic Cells." PLoS ONE 9, no. 6 (2014): e99411. http://dx.doi.org/10.1371/journal.pone.0099411.

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Nakamura, Kohei, Takeshi Terada, Yuji Sekiguchi, et al. "Application of Pseudomurein Endoisopeptidase to Fluorescence In Situ Hybridization of Methanogens within the Family Methanobacteriaceae." Applied and Environmental Microbiology 72, no. 11 (2006): 6907–13. http://dx.doi.org/10.1128/aem.01499-06.

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ABSTRACT In situ detection of methanogens within the family Methanobacteriaceae is sometimes known to be unsuccessful due to the difficulty in permeability of oligonucleotide probes. Pseudomurein endoisopeptidase (Pei), a lytic enzyme that specifically acts on their cell walls, was applied prior to 16S rRNA-targeting fluorescence in situ hybridization (FISH). For this purpose, pure cultured methanogens within this family, Methanobacterium bryantii, Methanobrevibacter ruminantium, Methanosphaera stadtmanae, and Methanothermobacter thermautotrophicus together with a Methanothermobacter thermauto
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Yu, Zhongtang, Rubén García-González, Floyd L. Schanbacher, and Mark Morrison. "Evaluations of Different Hypervariable Regions of Archaeal 16S rRNA Genes in Profiling of Methanogens by Archaea-Specific PCR and Denaturing Gradient Gel Electrophoresis." Applied and Environmental Microbiology 74, no. 3 (2007): 889–93. http://dx.doi.org/10.1128/aem.00684-07.

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ABSTRACT Different hypervariable (V) regions of the archaeal 16S rRNA gene (rrs) were compared systematically to establish a preferred V region(s) for use in Archaea-specific PCR-denaturing gradient gel electrophoresis (DGGE). The PCR products of the V3 region produced the most informative DGGE profiles and permitted identification of common methanogens from rumen samples from sheep. This study also showed that different methanogens might be detected when different V regions are targeted by PCR-DGGE. Dietary fat appeared to transiently stimulate Methanosphaera stadtmanae but inhibit Methanobre
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Dissertations / Theses on the topic "<i>Methanosphaera stadtmanae</i>"

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Wong, Denny. "Elements of the electron transport pathway for Methanosphaera stadtmanae." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0007/NQ41632.pdf.

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Elias, Dwayne A. "The NADP§+, F¦4¦2¦0 oxidoreductase and purification in Methanosphaera stadtmanae." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ32098.pdf.

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Dridi, Bédis. "Isolement d'une nouvelle Archaea methanogène "Methanomassiliicoccus luminyensis" à partir du tube digestif humain." Thesis, Aix-Marseille 2, 2011. http://www.theses.fr/2011AIX20682.

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Les Archaea methanogènes sont des organismes environnementaux ayant été également détectés dans certaines flores associées aux muqueuses des mammifères. Chez l’homme ces microorganismes ont été associés avec les muqueuses intestinale, vaginale et orale. Ces organismes sont des procaryotes anaérobies stricts et leurs conditions de culture restent fastidieuses et très mal connues. En effet, uniquement trois Archaea methanogènes ont été cultivées à partir de prélèvements humains, Methanobrevibater smithii et Methanosphaera stadtmanae à partir des selles puis Methanobrevibater oralis à partir de l
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Khelaifia, Saber. "Détection et culture des archaea associées aux muqueuses intestinale et orale humaines." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5029.

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Les archaea constituent l'un des quatre domaines connus du vivant. Contrairement à ce que leur nom laisse supposer, elles ont colonisé tous les écosystèmes et les microbiotes de certains hôtes dont l'Homme. Chez l'homme, certaines espèces d'archaea méthanogènes ont été associées aux muqueuses orale, intestinale et vaginale. Ces archaea méthanogènes sont des procaryotes anaérobies stricts et leurs conditions de culture restent fastidieuses et très mal connues. Quatre archaea methanogènes seulement ont été isolées à partir de prélèvements humains y compris dans le microbiote digestif Methanobrev
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Reis, Cristiane Marques dos. "Avaliação da vinhaça de cana-de-açúcar para produção de hidrogênio em reator anaeróbio de leito fluidizado em condição mesofílica: efeito de co-substrato, TDH, e concentração." Universidade Federal de São Carlos, 2014. https://repositorio.ufscar.br/handle/ufscar/3965.

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Made available in DSpace on 2016-06-02T19:55:42Z (GMT). No. of bitstreams: 1 6569.pdf: 7813080 bytes, checksum: 5bddbc1ed667ee4456bc01f930d2c15a (MD5) Previous issue date: 2014-11-25<br>Financiadora de Estudos e Projetos<br>study evaluated the production of hydrogen and methane from sugarcane vinasse in anaerobic fluidized bed reactor. Two fluidized bed reactors filled with expanded clay were operated under two different concentrations: R5 (5 gCOD.L-1) and R10 (10 g.CODL-1). During the first stage, glucose was used as the primary carbon source. Along the first step vinasse was added from 0
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Elias, Dwayne A. "The NADPS+:F420 oxidoreductase and purification in Methanosphaera stadtmanae." 1998. http://hdl.handle.net/1993/1246.

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Elias, Dwayne A. "The NADPS+, F|4|2|0 oxidoreductase and purification in Methanosphaera stadtmanae." 1998. http://hdl.handle.net/1993/1246.

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Methanosphaera stadtmanae (DSM 3091) is a methanogen isolated from the human large intestine. The organism requires H$\sb2$ and CH$\sb3$OH for methanogenesis and cell growth to proceed, but CO$\sb2$ and acetate for growth. The NADP$\sp{+}$:F$\sb{420}$ oxidoreductase is the major enzyme for controlling the intracellular NADPH pool for cellular biosynthesis by catalyzing the electron transfer between F$\sb{420}$ and NADP$\sp{+}$ in methanogens. NAD$\sp{+}$, NADH, and FMN, and FAD could not be used as electron acceptors. Optimal pH for F$\sb{420}$ reduction was 6.0, and 8.5 for NADP$\sp{+}$ reduc
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Chong, Patrick. "F420H2 dehydrogenation activity and electron transport in the methanoarchaea Methanospirillum hungatei GP1, Methanosarcina barkeri Fusaro, and Methanosphaera stadtmanae." 2007. http://hdl.handle.net/1993/29473.

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Fricke, Wolfgang Florian. "Entschlüsselung der Genome von Ralstonia eutropha H16 und Methanosphaera stadtmanae und vergleichende Untersuchungen zu Anpassungen der Genomorganisation." Doctoral thesis, 2005. http://hdl.handle.net/11858/00-1735-0000-0006-ABB8-D.

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Fricke, Wolfgang Florian [Verfasser]. "Entschlüsselung der Genome von Ralstonia eutropha H16 und Methanosphaera stadtmanae und vergleichende Untersuchungen zu Anpassungen der Genomorganisation / vorgelegt von Wolfgang Florian Fricke." 2006. http://d-nb.info/985799455/34.

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