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Acetate Repression of Methane Oxidation by Supplemental Methylocella silvestris in a Peat Soil Microcosm
- Rahman, M. Tanvir, Crombie, Andrew, Moussard, Hélène, Chen, Yin, Murrell, J. Colin
- Applied and environmental microbiology 2011 v.77 no.12 pp. 4234-4236
- Methylocella, acetates, methane, oxidation, peat soils, soil ecology
- Methylocella spp. are facultative methanotrophs that grow on methane and multicarbon substrates, such as acetate. Acetate represses transcription of methane monooxygenase of Methylocella silvestris in laboratory culture. DNA stable-isotope probing (DNA-SIP) using ¹³C-methane and ¹²C-acetate, carried out with Methylocella-spiked peat soil, showed that acetate also repressed methane oxidation by Methylocella in environmental samples.