Results 31 to 40 of about 16,954 (214)

Studies on an acetate-fermenting strain of Methanosarcina [PDF]

open access: yesApplied and Environmental Microbiology, 1978
An acetate-fermenting strain of Methanosarcina was isolated from an acetate enrichment culture inoculated with anaerobic sludge from a waste treatment digestor. In pure culture, this organism fermented acetate in the absence of added hydrogen at rates comparable in magnitude to those found in digestor systems.
R A, Mah, M R, Smith, L, Baresi
openaire   +2 more sources

Dechlorination of Chloroform by Methanosarcina Strains [PDF]

open access: yesApplied and Environmental Microbiology, 1990
Dehalogenation of carbon tetrachloride, chloroform, and bromoform in pure cultures of Methanosarcina sp. strain DCM and Methanosarcina mazei S6 was demonstrated. The initial dechlorination product of chloroform was methylene chloride (dichloromethane), which accumulated transiently to about ...
M D, Mikesell, S A, Boyd
openaire   +2 more sources

ThermoPhyl : a software tool for selecting phylogenetically optimized conventional and quantitative-PCR taxon-targeted assays for use with complex samples [PDF]

open access: yes, 2011
The ability to specifically and sensitively target genotypes of interest is critical for the success of many PCR-based analyses of environmental or clinical samples that contain multiple templates.Next-generation sequence data clearly show that such ...
Dowd, Scot E.   +2 more
core   +1 more source

Limits of life and the habitability of Mars: The ESA space experiment BIOMEX on the ISS [PDF]

open access: yes, 2019
BIOMEX (BIOlogy and Mars EXperiment) is an ESA/Roscosmos space exposure experiment housed within the exposure facility EXPOSE-R2 outside the Zvezda module on the International Space Station (ISS).
Alawi, Mashal   +9 more
core   +1 more source

Rejection of the Type Species Methanosarcina methanica (Approved Lists 1980), Conservation of the Genus Methanosarcina with Methanosarcina barkeri (Approved Lists 1980) as the Type Species, and Emendation of the Genus Methanosarcina: Request for an Opinion [PDF]

open access: yesInternational Journal of Systematic Bacteriology, 1984
We request an Opinion regarding rejection of the type species Methanosarcina methanica (Approved Lists 1980) and conservation of the genus Methanosarcina with Methanosarcina barkeri (Approved Lists 1980) as the type species, and we provide an emended description of the genus Methanosarcina.
R. A. Mah, D. A. Kuhn
openaire   +1 more source

Necessity of electrically conductive pili for methanogenesis with magnetite stimulation [PDF]

open access: yesPeerJ, 2018
Background Magnetite-mediated direct interspecies electron transfer (DIET) between Geobacter and Methanosarcina species is increasingly being invoked to explain magnetite stimulation of methane production in anaerobic soils and sediments.
Oumei Wang   +4 more
doaj   +2 more sources

Phylogenetic differences in content and intensity of periodic proteins [PDF]

open access: yes, 2005
Many proteins exhibit sequence periodicity, often correlated with a visible structural periodicity. The statistical significance of such periodicity can be assessed by means of a chi-square-based test, with significance thresholds being calculated from ...
Gatherer, D., McEwan, N.R.
core   +1 more source

Conversion of Kepone byMethanosarcina thermophila [PDF]

open access: yesFEMS Microbiology Letters, 1996
Acetate-grown cultures of Methanosarcina thermophila converted uniformly labeled [14C]Kepone to polar and nonpolar products with 86% of the Kepone degraded within the first 10 days. The titanium(III) citrate-reduced CO dehydrogenase enzyme complex isolated from M. thermophila also catalyzed the conversion of Kepone to polar and nonpolar products with a
P JABLONSKI, D PHEASANT, J FERRY
openaire   +1 more source

Minimal ATP‐Independent N2‐Reducing Systems Defined by L‐Cluster‐Bound Nitrogenase Assembly Platforms

open access: yesAngewandte Chemie, EarlyView.
Association of the L‐cluster with the nitrogenase assembly proteins NifEN (NifENL) or NifB (NifBL) intrinsically endows these proteins with N2‐reducing activity, enabling in vitro N2‐reduction by NifENL and NifBL when supplied with chemical reductants or photoexcited quantum dots while supporting in vivo N2‐fixation in NifENL‐ and NifENL‐expressing ...
Robert Quechol   +4 more
wiley   +2 more sources

Metabolic Adaptation of Methanogens in Anaerobic Digesters Upon Trace Element Limitation

open access: yesFrontiers in Microbiology, 2018
Anaerobic digestion (AD) is a complex multi-stage process relying on the activity of highly diverse microbial communities including hydrolytic, acidogenic and syntrophic acetogenic bacteria as well as methanogenic archaea.
Babett Wintsche   +4 more
doaj   +1 more source

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