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. 2018 May 8;9:901. doi: 10.3389/fmicb.2018.00901

FIGURE 1.

FIGURE 1

Maximum-likelihood phylogenetic tree based on core-genome SNPs from 60 ribotype 027 isolates and from strain BI-3 (He et al., 2013), which was included as an outgroup for rooting the tree. Columns on the right indicate the presence of genes encoding ABC transporter components as inferred by genome sequencing or PCR, respectively. Isolates used for metabolome analyses and growth experiments are labeled with pointy brackets. Isolates fully sequenced by a combination of SMRT and Illumina technologies are labeled with red frames. Genome sequences labeled with asterisks (∗) are from a previous study (He et al., 2013); they were included here for reference and were not available for PCR analysis. The symbol Δ indicates the occurrence of deletions of ABC transporter genes CDR20291_0805 and CDR20291_0806.