In LB, the MIC values were 1024 (7.4 mM) and 2048 μg/mL (12 mM) for DFP and CP94, respectively, for both PAO1, a commonly used laboratory strain, and IST27, a mucoid isolate from a cystic fibrosis patient (Table 1). This evidence concerns the gene SMOX and cystic fibrosis.