Journal ArticleDOI
Isolation and characterization of a new thermophilic Methanosarcina strain (strain MP)
TLDR
A thermophilic Methanosarcina strain was isolated from a digester fed with water hyacinths and inoculated with ground termites from the Congo and grew on acetate, methanol and methylamines in the absence of growth factors, but could not use H2-CO2 or formate.Abstract:
A thermophilic Methanosarcina strain was isolated from a digester fed with water hyacinths and inoculated with ground termites from the Congo. Optimal growth temperature was 55 degrees C. Methane production was at its optimum between pH 6.5 and 7.0. The bacterium grew on acetate, methanol and methylamines in the absence of growth factors, but could not use H2-CO2 or formate. H2-CO2 inhibited acetate utilisation. Yeast extract and vitamins stimulated growth.read more
Citations
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Methanol as electron donor for thermophilic biological sulfate and sulfite reduction.
TL;DR: In this article, the authors investigated the selectivity and rate of reduction of sulfur oxyanions with methanol in bioreactors, and acquired insight into the microbiology of the process.
Journal ArticleDOI
Kinetic studies of acetate fermentation by Methanosarcina sp. MSTA-1.
M. Clarens,René Moletta +1 more
TL;DR: The growth yield was found to be dependent on culture conditions, especially on incubation temperature, and Methanosarcina sp.
Journal ArticleDOI
Effects of volatile fatty acids on methanogenesis of methanol and of pregrowth with methanol on acetate utilization by methanogens
TL;DR: In this paper, the effect of acetic acid and/or propionic acid on thermophilic methanogenesis of methanol as a sole substrate was studied using Methanosarcina species (MST-A1, CHTI-55 and MP).
Journal ArticleDOI
Thermophilic degradation of cellulose by a triculture of Clostridium thermocellum, Methanobacterium sp. and Methanosarcina MP
TL;DR: The fermentation of cellulose at 55°C by different associations of the 3 bacteria Clostridium thermocellum, Methanobacterium sp.
Journal ArticleDOI
Putative Extracellular Electron Transfer in Methanogenic Archaea.
Kailin Gao,Yahai Lu +1 more
TL;DR: A review of the current state of knowledge for the putative extracellular electron transfers in methanogens and highlight the opportunities and challenges for future research can be found in this article, where the membrane-bound multiheme c-type cytochromes (MHC) and electrically-conductive cellular appendages have been assumed to mediate electron transfer in bacteria like Geobacter and Shewanella species.
References
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Journal ArticleDOI
Methanogens: reevaluation of a unique biological group.
TL;DR: The present study focuses on the development and outline of a new treatment based on 16-year-old ribonucleic acid, as well as evidence in support of the new taxonomic treatment.
A roll tube method for cultivation of strict anaerobes
TL;DR: The anaerobes can be classified as oxyduric, i.e. surviving exposure to O2 but not growing in its presence, and oxylabile Species, killed by exposure to oxygen.
The Roll-Tube Method for Cultivation of Strict Anaerobes
Robert E. Hungate,J. Macy +1 more
TL;DR: The anaerobes can be classified as oxyduric, i.e. surviving exposure to O2 but not growing in its presence, and oxylabile Species, killed by exposure to oxygen as discussed by the authors.
Journal ArticleDOI
Methanococcus jannaschii sp. nov., an extremely thermophilic methanogen from a submarine hydrothermal vent
TL;DR: The isolation of M. jannaschii from a submarine hydrothermal vent provides additional evidence for biogenic production of CH4 from these deep-sea environments and a new species of the genus Methanococcus is proposed.
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