Figure 1. Maximum likelihood phylogenetic tree showing relationship of 16S rRNA gene sequences of the isolates described in this study to the described Methylophilaceae and to environmental sequences retrieved from Lake Washington.

Colored boxes denote separate ecotypes designated based on either divergent sequence or divergent phenotype or both. Bar, 1% nucleotide divergence. ¹Sequences representing seven different phylotypes described in [19]; ²Sequences retrieved from combined metagenome described in [18]; ³Sequences retrieved from metagenomes described in [6]. Branching robustness is expressed as percent of 100 bootstrap resamplings.