TABLE 1.

Bacterial strains and plasmids

Strain or plasmidRelevant genotypeaSource or reference
Strains
    SL1344hisG46Lab collection
    SA42SL1344 hemA26::Tn10dThis study
    SA43SL1344 katE::Tn10 katG::pRR10ΔtrfAThis study
    SA44SL1344 ΔoxyR::Tn10This study
    FGP258SL1344 fur-1 zbf-5123::Tn109
    TT10423LT2 proAB47/F′pro+ lac+ zzf-1831:: Tn10d-Tet24
    TE719LT2 hemA6038
Plasmids
    pSA31pGEM-4,5′hemA (Apr)This study
    pSA35pKK177-3, Ptac-dorf1-lacIThis study
    pNK972Ptac-tnpA (Apr)24
    pKK177-3Ptac (Apr)3
    pTE367E. coli prfA+ (Apr)9
  • a Apr, ampicillin resistant.