TABLE 1

Bacterial strains used in this study

Strain nameRelevant genotype or descriptionReference or source
MG1655E. coli F λ ilvG rfb-50 rph-1Blattner et al., 1997 (19)
MG1655 ΔlacIMG1655 lacI::CmThis study
MG1655 ΔlacI ΔlacYMG1655 lacI lacY::CmThis study
MG1655 ΔtolQRAMG1655 tolQRA::CmThis study
MG1655 ΔlacI ΔlacY ΔtolQRAMG1655 lacI lacY::Cm, tolQRAThis study
JW2496-3BW25113 bamB::KanKeio Collection (20)
JW0052-1BW25113 surA::KanKeio Collection (20)
JW5592-1BW25113 dapF::KanKeio Collection (20)
JW0145-1BW25113 mrcB::KanKeio Collection (20)
JW5503-1BW25113 tolC::KanKeio Collection (20)
MG1655 ΔlacI ΔlacY ΔbamBMG1655 lacI lacY::Cm bamB::KanThis study
MG1655 ΔlacI ΔlacY ΔsurAMG1655 lacI lacY::Cm surA::KanThis study
MG1655 ΔlacI ΔlacY ΔdapFMG1655 lacI lacY::Cm dapF::KanThis study
MG1655 ΔlacI ΔlacY ΔmrcBMG1655 lacI lacY::Cm mrcB::KanThis study
MG1655 ΔlacI ΔlacY ΔtolCMG1655 lacI lacY::Cm tolC::KanThis study
ATCC 25922Quality control for susceptibility testingEUCAST
UR40ST131 clone containing blaCTX-M-15Cerquetti et al., 2010 (22)