TABLE 1

Bacterial strains

StrainGenotypeSource
AB1157argE3 his-4 leuB6 proA2 thr-1 ara-14 galK2 lacYl mtl-1 xyl-5 thi-1 tsx-33 rpsL31 supE44Lab stocks
AB2463AB1157 recA13Lab stocks
DM49AB1157 lexA3Lab stocks
MC4100Δ(argF-lac)205 araD139 rspL150 thiA1 relA1 fib5301 deoC1 ptsF25 rbsRC. Gross
RK4936araD139 (argF-lac)205 flbB5301 non-9 gyrA219 relA1 rpsL150 metE70 btu::Tn10B. Ames
RKZ2RK4936 TetSOur lab
TK610AB1157 ilv-325 uvrA6 umuC36T. Kato
TK701proA2 his-4 thi-1 lacY1T. Kato
TK702TK701 umuC36T. Kato
WB535Δ(lac pro) thi ara met Δ(recA-srlR)306::TnW (λ200 imm21 ind) F’lacIqZ-Y+pro+Our lab