Phenotypic and genotypic characterization of 284 clinical isolates of P. aeruginosa

No. of isolatesSusceptibility to:SerotypeGene cassette(s) of the class 1 integronPFGE type(s)
MDR-P. aeruginosab
    120RRRRRRRRRO11blaIMP-1, aac(6)-Iae, aadA1A1, A2, A4, A5, A7, A8, A9, A10, A12, A14, A15, A16, A18, A20, A21, A24, A25, A27, A28, A30, A31, A32, A33, A38, A41, A42, A43, A44, A45, A46, A48, A51, A54, A56, A62, A64, E2
    85RRRRRRSRRO11blaIMP-1, aac(6)-Iae, aadA1A1, A2, A6, A11, A12, A13, A17, A18, A19, A21, A22, A23, A25, A26, A27, A34, A35, A36, A37, A39, A40, A41, A44, A47, A52, A53, A55, A58, A60, A61, A63, A65, A66, A67
    1RRRRRRRRRO1blaIMP-1, aac(6)-Iae, aadA1A1
    2RRRRRRSRRO1blaIMP-1, aac(6)-Iae, aadA1A38, A50
    1RRRRRRRRRMblaIMP-1, aac(6)-Iae, aadA1A57
    3RRRRRRSRRMblaIMP-1, aac(6)-Iae, aadA1A3, A29, A37
Non-MDR-P. aeruginosa
    1RSSSSSRRRO11aac(6)-31-like3, aadA6, orfDM
    1RRRRRSRRRBblaIMP-1, aadA1N
  • a FQs, fluoroquinolones.

  • b Numbers of MDR isolates showing a respective PFGE type are shown in Fig. 1.

  • c NT, nontypeable.