TABLE 1.

E. coli strains

StrainRelevant genotypeConstruction or reference
CSH26ara Δ(lac-pro) thi35
CSH26ΔQara Δ(lac-pro) thi phoQ48
BW13711ΔlacX74 rpoS(Am)34
BW16462ΔlacX74 rpoS(Am) pta-200 zej-223::Tn1019
BW16463ΔlacX74 rpoS(Am) Δ(pta ackA hisQ hisP) zej-223::Tn1019
BW16545ΔlacX74 rpoS(Am) ackA200 zej-223::Tn1019
AJW803CP875 (Δacs::Km-1)29
CP875ΔlacX74 thi-1 thr-1(Am) leuB6 metF159(Am) rpsL136 λlacY29
CDW1CSH26 pta-200 zej-223::Tn10CSH26 × BW16462 (P1)
CDW2CSH26 Δ(pta ackA hisQ hisP) zej-223::Tn10CSH26 × BW16463 (P1)
CDW3CSH26 ackA200 zej-223::Tn10CSH26 × BW16545 (P1)
CDW4CSH26 (Δacs::Km-1)CSH26 × AJW803 (P1)