TABLE 1.

Strains and plasmids

Strain or plasmidRelevant propertiesSource or reference
Strains
    GC4468E. coli K-12 soxRS+32
    JTG936GC4468 soxRc14
    JTG1052GC4468 soxRc13
    EH46GC4468 soxRS soxS::lacZ19
    TN402GC4468 soxR soxS+T. Nunoshiba, gift
    E3E. coli clinical isolate34
    E17E. coli clinical isolate34
    E19E. coli clinical isolate34
    M1E. coli clinical isolate34
    I236E. coli clinical isolate40
    I237E. coli clinical isolate40
    I242E. coli clinical isolate40
    I243E. coli clinical isolate40
    I244E. coli clinical isolate40
    I246E. coli clinical isolate40
    I248E. coli clinical isolate40
    I251E. coli clinical isolate40
    I253E. coli clinical isolate40
    I254E. coli clinical isolate40
Plasmids
    pACYC177Vector (Apr)New England Biolabs
    pSE380Vector (Apr)Invitrogen
    pSXRE. coli wild-type soxR in pSE380 (Apr)31
    pAKWTE. coli GC4468 soxR in pACYC177 (Apr)This work
    pAKE3E. coli E3 soxR in pACYC177 (Apr)This work
    pAKE17E. coli E17 soxR in pACYC177 (Apr)This work
    pAKE19E. coli E19 soxR in pACYC177 (Apr)This work
    pAKM1E. coli M1 soxR in pACYC177 (Apr)This work
    pAKI237E. coli I237 soxR in pACYC177 (Apr)This work