TABLE 1.

Bacterial strains used in this study

StrainRelevant characteristicsReference or source
PAD282F araD139 Δ(argF-lac)U169 rpsL150(Strr) relA1 flhD5301 deoC1 lφ(PcpxP′-lacZ)14
PAD292PAD282 cpxR1::spc14
PAD348PAD282 cpxA::camP. DiGuiseppe and T. Silhavy (Princeton University)
AJW2790PAD282 ackA::kan(P1)AJW1939 → PAD282 (Kmr)
AJW2791PAD282 Δ(ackA pta)::cam(P1)EPB6 → PAD282 (Cmr)
AJW2793PAD282 cpxR1::spc Δ(ackA pta)::cam(P1)EPB6 → PAD292 (Cmr)
AJW2794PAD282 cpxA::cam ackA::kan(P1)AJW1939 → PAD348 (Kmr)
AJW2920PAD282 cpxA::cam Δ(ackA pta hisJ hisP dhu) zej-223-Tn10(P1)AJW2013 → PAD348 (Tcr/Ace)
AJW2964PAD282 cpxA::cam pta::TnphoA′-3(P1)CP760 → PAD348 (Kmr)
AJW1939ackA::kan28
AJW2013Δ(ackA pta hisJ hisP dhu) zej-223-Tn1064
CP760pta::TnphoA′-340
EPB6Δ(ackA pta)::camMark Goulian (University of Pennsylvania)