TABLE 2.

Complementation analysis of polymyxin B-resistant clinical isolates of P. aeruginosa

Clinical isolatePolymyxin B MIC (μg/ml) for strain harboring:
pAU124a (phoPQ)pAU126 (pmrAB)pUCP18 (cloning vector)
NY21414 (8)b8
NY2150.588
NY217188
NY219188
NY22081 (2)8
  • a Full-length phoPQ and pmrAB were cloned from P. aeruginosa PAO1 as described in Materials and Methods.

  • b Numbers in parentheses denote repeated MIC measurements performed more than three times.