Environmental Transcription of mmoX by Methane-Oxidizing Proteobacteria in a Subarctic Palsa Peatland

Methane-oxidizing bacteria (MOB) that possess the soluble form of methane monooxygenase (sMMO) are present in various environments, but unlike the prevalent particulate methane monooxygenase (pMMO), the in situ activity of sMMO has not been documented. Here we report on the environmental transcripti...

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Bibliographic Details
Published in:Applied and Environmental Microbiology
Main Authors: Liebner, Susanne, Svenning, Mette M.
Format: Text
Language:English
Published: American Society for Microbiology 2013
Subjects:
Environmental Microbiology
palsa
Subarctic
Online Access:http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3553753
http://www.ncbi.nlm.nih.gov/pubmed/23104418
https://doi.org/10.1128/AEM.02292-12
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Summary:Methane-oxidizing bacteria (MOB) that possess the soluble form of methane monooxygenase (sMMO) are present in various environments, but unlike the prevalent particulate methane monooxygenase (pMMO), the in situ activity of sMMO has not been documented. Here we report on the environmental transcription of a gene (mmoX) for this enzyme, which was attributed mainly to MOB lacking a pMMO. Our study indicates that the sMMO is an active enzyme in acidic peat ecosystems, but its importance for the mitigation of methane releases remains unknown.

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