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Phylogenetic analysis of the derived amino acid sequences encoded by pmoA and amoA genes retrieved from the Danish soils. Bar, 10 inferred substitutions per 100 amino acid positions. Retrieved sequences and their relationships with known pmoA sequences are grouped into established phylogenetic families A, B, C, D, E, F, and G. Uncultured methanotroph pmoA sequences RA21 and MR1 were used as the outgroup.
