TABLE 1.

Bacterial strains used in this study

StrainDescriptionReference or source
RN6390agr+ laboratory strain29
RN6911agrΔ::tetM (Tcr)29
KT201sarH1::pKT200 (Emr)38
PM614agr-null chr::Tn917::rot (Tcr Emr)24
BK9986tetM::agr Tn917::rot (Tcr Emr)This study
BK9987tetM::agr sarH1::pKT200 (Tcr Emr)This study