TABLE 1

Wild-type and mutant strains and plasmids used for this studya

Strain or plasmidDescriptionReference
S. Senftenberg strains
    JOL1556S. Senftenberg wild-type strain originating from chicken salmonellosisStrain KVCC-BA0000590
    JOL1596S. Senftenberg JOL1556 derivative (Δlon)This study
    JOL1571S. Senftenberg JOL1556 derivative (ΔcpxR)This study
    JOL1587S. Senftenberg JOL1556 derivative (Δlon ΔcpxR)This study
    JOL1196Wild-type S. Typhimurium strain
Plasmids
    pMEG375Suicide vector to construct derivatives of S. Senftenberg53
    pBP294pMEG375 ΔlonThis study
    pBP210pMEG375 ΔcpxRThis study
  • a The strains were maintained as frozen glycerol cultures in LB broth at −70°C.