Table 3.

High-copy expression of PgtE protease increasesSalmonella survival upon exposure to C18G and LL-37 (strains were grown in Mueller-Hinton broth)a

StrainMIC (μg/ml)
C18GLL-37
CS022 (PhoPC)5.005.00
TG71 (PhoPC pgtE + vector)1.252.50
TG73 (PhoPC pgtE + pTG73)40.040.0
  • a See Table 2 footnote a.