Table 2 Bacterial strains and plasmids used in this study

P. aeruginosa

PAO1

wild-type (WT)

[51]

∆parS

PAO1 Tn5 mutant, insertion at bp 402 in parS, Gn^R

[51]

∆parR

PAO1 Tn5 mutant, insertion at bp 299 in parR, Gn^R

[51]

E. coli

DH5α

F^-recA1 endA1 hsdR17 supE44 thi-1 gyrA96 relA1 Δ (argF-lacZYA)I169 ϕ 80lacZ ΔM15λ^-

GIBCO-BRL

Plasmids

pPROBE-KT2

Km^R, GFP based promoter trap vector containing a promoter-less gfp gene

[58]

pKT2-parSR

2.3 kb DNA fragment containing parS and parR genes in pPROBE-KT2

This study