Volume 23, Number 12—December 2017
Research
Evolutionary Context of Non–Sorbitol-Fermenting Shiga Toxin–Producing Escherichia coli O55:H7
Figure 3

Figure 3. Core genome phylogeny illustrating the evolutionary history of the of Shiga toxin–producing Escherichia coli (STEC) O55 strain from the July 2014 Dorset County, England, outbreak in the context of STEC O157:H7 lineages I, II, and I/II. Scale bar indicates nucleotide substitutions per site.
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