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Mutational spectra of the ancestral Escherich strain isolates. (A) Indel/SNP ratios are shown for each isolate compare to NCTC86_Dunne. The total numbers of mutations are indicated to the right of the graph. (B) Mutational spectra of the SNPs of the isolates. Each color represents a possible substitution. The total numbers of SNPs are indicated to the right of the graph.
