Figure 2. Phylogenetic tree of the 167 Klebsiella pneumoniae genomes as determined on the basis of core genome multilocus sequence typing (cgMLST) genes and distribution of virulence and resistance features. The tree was inferred from minimum evolution analysis based on aligned cgMLST sequences, with K. variicola and KpII-B sequences as outgroups. Terminal branches corresponding to different taxa from the same clonal group (CG) or sequence type (ST) are shown as triangles of depth proportional to internal diversity. Bootstrap values >50% based on 1,000 gene-by-gene replicates are given at branches. Scale bar represents 0.05% estimated sequence divergence. The virulence and resistance gene content (indicated along the top of the figure) of identified clones is represented by squares, which are colored in black proportionally to the percentage of presence of a gene or cluster among members of a given CG or ST.