TABLE 1

Bacterial strains used in this study

StrainDescriptionSource or reference
OG1SSpStrr Spcr14
OG1SSp(pCF10)Wild-type plasmid11
OG1SSp(pCF121)prgB::Tn 917 insertion7
OG1RFRifr Fusr14
OG1RF(pCF10)Wild-type plasmid37
MSP4301 [OG1RF(pMSP6043/pINY1801)]Negative regulatory region (pMSP6043), positive regulatory region, and prgB gene (pINY1801)This study; pMSP6043 (22), pINY1801 (7)
MSP4901 [OG1RF(pMSP6049/pINY1801)]Insertion (Specr) in the prgZ gene of pMSP6043This study; pMSP6049 (22)