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Environmental distribution and abundance of the facultative methanotroph Methylocella

Rahman, Md. Tanvir; Crombie, Andrew; Chen, Yin; Stralis-Pavese, Nancy; Bodrossy, Levente; Meir, Patrick; McNamara, Niall P.; Murrell, J. Colin. 2011 Environmental distribution and abundance of the facultative methanotroph Methylocella. ISME Journal, 5. 1061-1066. 10.1038/ismej.2010.190

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Abstract/Summary

Methylocella spp. are facultative methanotrophs, which are able to grow not only on methane but also on multicarbon substrates such as acetate, pyruvate or malate. Methylocella spp. were previously thought to be restricted to acidic soils such as peatlands, in which they may have a key role in methane oxidation. There is little information on the abundance and distribution of Methylocella spp. in the environment. New primers were designed, and a real-time quantitative PCR method was developed and validated targeting Methylocella mmoX (encoding the α-subunit of the soluble methane monooxygenase) that allowed the quantification of Methylocella spp. in environmental samples. We also developed and validated specific PCR assays, which target 16S rRNA genes of known Methylocella spp. These were used to investigate the distribution of Methylocella spp. in a variety of environmental samples. It was revealed that Methylocella species are widely distributed in nature and not restricted to acidic environments.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1038/ismej.2010.190
Programmes: CEH Topics & Objectives 2009 - 2012 > Biodiversity > BD Topic 1 - Observations, Patterns, and Predictions for Biodiversity
CEH Sections: Shore
ISSN: 1751-7362
Additional Keywords: distribution, abundance, facultative methanotroph, Methylocella
Date made live: 08 Jun 2011 10:48
URI: http://nora.nerc.ac.uk/id/eprint/13279

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