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Maximum-likelihood phylogram with metadata for 24 multidrug-resistant E. coli non-ST131 strains. The tree with the highest log likelihood (−120,371.7695) is shown. The tree is drawn to scale, with branch lengths measured in numbers of substitutions per site. The analysis involved 24 nucleotide sequences. All positions containing gaps and missing data were eliminated. The final data set contained 17,336 total positions.
