TABLE 2

Colistin susceptibility testing results for E. coli DH10β harboring p002 or p002::Δmcr-1, as determined by broth microdilution in CA-MH broth and CE-MH broth

StrainMIC (mg/liter)a
CA-MHCE-MH
E. coli DH10β22
p002 in DH10β432
p002::Δmcr-1 in DH10β22
  • a The MIC is defined as the lowest concentration of colistin that inhibits visible growth of the tested isolate, as observed with the unaided eye.