Acidophilic methanotropic communities from Sphagnum peat bogs

Article Abstract:

There are some methanotrophs which are moderate acidophiles. This was gleaned from a further characterization of acidophilic methanotrophs and a study aimed to discover a highly enriched methanotrophic population that can grow in acidic peat. Some of the kinetic features of the organism adapted to this habitat are a low specific growth rate, metabolic activity inhibition and optimal growth at 15 to 20 degrees C and a pH value of 5. The enriched methanotrophic communities, meanwhile, were found to be unique to peat bogs and responsible for methane oxidation in the ecosystem.

Environmental aspects

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Phylogenetic analysis and in situ identification of bacteria community composition in an acidic Sphagnum peat bog

Article Abstract:

A study was conducted to elucidate the overall bacterial community composition in an acidic Sphagnum peat soil by a combination of 16S rRNA gene clone libraries, fluorescence in situ hybridization (FISH), and cultivation. The greatest diversity was found for members of the Acidobacteria and FISH showed that Alphaproteobacteria and Planctomycetes are numerically significant groups in this environment.

Science & research, Bacterial genetics, Ribosomal RNA, Structure

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Detection and enumeration of methanotrophs in acidic Sphagnum peat by 16S rRNA fluorescence in situ hybridization, including the use of newly developed oligonucleotide probes for Methylocella palustris

Article Abstract:

Methylocella palustris and Methylocystis spp. are the predominant microorganisms in Sphagnum peat bogs, according to fluorescence in situ hybridization analysis of 16S rRNA. Methylocella palustris was identified in 2000, and appears to be widely distributed in acidic wetlands in the northern hemisphere.

Methanobacteriaceae, Methanogens

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