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Minimum evolution phylogenetic tree (mega v7.0) (Kumar et al., 2016) of concatenated gene sequences (4253 bp) from all STs currently represented in the MLST8 database (http://pubmlst.org/pacnes/), and covering all major genetic divisions. Sequence input order was randomized, and bootstrapping resampling statistics were performed using 500 data sets. Bootstrap values (≥70 %) are shown on the arms of the tree. Horizontal bar represents genetic distance. CC, Clonal complex.
