Table 2.

Laboratory strains and plasmids

Strain or plasmidDescriptionReference
Strains
 AG100Wild-typeE. coli K-12 16
 AG112 marR mutant of AG100; 5-bp deletion (Δ1481–1485) 37
 AG100AAG100; ΔacrAB 40
 AG100BAG100;acrR::kan mutant 40
 DJ901GC4468,soxRSΔ 901::Tn10Kan 18
 JTG1078GC4468, soxR105 zjc-2204::Tn10Kan 17
Plasmids
 pHRP315Apr, pUCMB20 with Ω Smr/Spr cassette inBamHI site 42
 pHRP/acrR acrR cloned into pHRP315This study