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. 2003 Dec;185(23):6883–6892. doi: 10.1128/JB.185.23.6883-6892.2003

TABLE 3.

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

Strain MIC (μg/ml) of:
Mutations
Premafloxacin Ciprofloxacin Novobiocin Nalidixic acid Ethidium bromide grlA parE gyrA gyrB norA promoter
ISP794 0.004-0.008 0.125-0.25 0.064-0.128 64-128 2.0-4.0
P18 0.016-0.032 1.0 0.064 128 4.0 None −13 (G→A) None None None