TABLE 3.

Characteristics of the single-step mutant P18 and wild-type strain ISP794

StrainMIC (μg/ml) of:Mutations
PremafloxacinCiprofloxacinNovobiocinNalidixic acidEthidium bromidegrlAparEgyrAgyrBnorA promoter
ISP7940.004-0.0080.125-0.250.064-0.12864-1282.0-4.0
P180.016-0.0321.00.0641284.0None−13 (G→A)NoneNoneNone