Table 1.
Additional bacterial strains and plasmids used in this study.
| Strains | Characteristic | Source/Reference |
|---|---|---|
| JM109 | wild-type dcm allele | New England BioLabs |
| ER2925 | dcm-6 | New England BioLabs |
| GM204 | Δ(supD-dcm-flaA) | Martin Marinus |
| BW25113 | wild-type dcm allele | (Baba, et al., 2008) |
| JW1944-2 | Δdcm-735::kan | (Baba, et al., 2008) |
| CP9 | ExPECa | (Russo, et al., 1993) |
| E234E69 | EPECb | (Levine, et al., 1978) |
| Popeye-1 | EHECc, O157:H7 | (Crane, et al., 2011) |
| Plasmidsd | ||
| pDcm-9 | dcm− vsr− | (Sohail, et al., 1990) |
| pDcm-21 | dcm+ vsr− | (Sohail, et al., 1990) |
a
Extraintestinal pathogenic E. coli
b
Enteropathogenic E. coli
c
Enterohemmoragic E. coli
d
both plasmids were originally constructed by enzyme mediated deletion of pDcm-4 which contains the entire dcm-vsr operon