Figure 1.

The phylogenetic tree of strain Y139^T and other related species, Escherichia coli NBRC 102203^T was used as the outgroup. (A) Neighbor-joining phylogenetic tree based on 16S rRNA gene sequences of strain Y139^T and other closely related species. Filled circles indicate branches that were recovered with neighbor-joining, maximum-likelihood, and minimum-evolution methods. Bootstrap values above 50% (1,000 replicates) are shown at branch nodes (NJ/ML/MP). Bar: 0.05 substitutions per nucleotide position; (B) The FastTree is based on 120 ubiquitous single-copy proteins. Bootstrap values above 50% (1,000 replicates) are shown at branch nodes. Filled circles indicate that the same topology is also obtained using the IQ-Tree algorithm. Escherichia coli NBRC 102203^T was used as the outgroup. Bar: 0.20 substitutions per nucleotide position.