Table 3
Estimation of time of divergence between Sakai and two atypical E. coli O157 strains
aData are shown as mean ± standard error..
bBased on the rate of synonymous substitution for E. coli and S. enterica of 4.7 × 10−9 per site per year.
Estimation of time of divergence between Sakai and two atypical E. coli O157 strains
aData are shown as mean ± standard error..
bBased on the rate of synonymous substitution for E. coli and S. enterica of 4.7 × 10−9 per site per year.