TABLE 1.

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)
β-LactamsAminoglycosidesFQsa
PIPTZPCAZIPMMEMAMKGENCIPOFX
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
    1RRRRRRRRRO10aac(6)-31-like1B13
    1RSRRRRSRRO1V
Non-MDR-P. aeruginosa
    1RSSSRRSRRO11A49
    1SSSSSSSRRO11A59
    1RRSRRSRRRO1aac(6)-31-like2B1
    1SSRRRSRRRO1aac(6)-31-like2B1
    1SSSRRSSRRO1aac(6)-31-like2B1
    1RSSRRSRRRO1aac(6)-31-like2B2
    1SSSRRSRRRO1aac(6)-31B6
    1SSSRRSRRRO1aac(6)-31-like1B8
    1RSSRRSSRRO1aac(6)-31-like1B7
    1SSSSSSSRRO6aac(6)-31-like1B3
    1SSSSSSSRRO10aac(6)-31-like1B4
    1SSSRRSRRRO10aac(6)-31-like1B5
    1SSSRRSSRRO10aac(6)-31-like1B9
    1SSSRSSRRRO10aac(6)-31B12
    1RSSRSSSRRO10aac(6)-31-like1B14
    1SSSSSSSRRNTcaac(6)-31B10
    1RSSRRSSRRMaac(6)-31-like1B11
    2RRRRRSSRRNTC1
    1RRRRRSSRRO3C2
    2RRRRRSSRRO3C4
    1SSSRRSSRRO1C3
    1SSRRRSSRRO1C7
    1RRRRRSSRRBC5
    1SSSSSSSSSBC6
    1RRRRRSSRRO11C8
    1SSSSSSSSRO4D1
    1SSSSSSSRRO4D2
    1SSSSSSSRSO11D3
    1SSSRRSSRRO11E1
    1RSSRRSSRRMF1
    1SSSRSSSRRO4F2
    1RSSRRSSSRO11G1
    1RSSSRSSRRO11G2
    1RSRRRSSRRO11H1
    1RRRSSSSSSBH2
    2SSSRRSSSSO10I
    1SSSSSSSSSO4J1
    1SSSSSSSSSO3J2
    1SSSSSSSSSNTK1
    1SSSSSSSSSO6K2
    1RRRSSSSSRO9L1
    1SSSSSSSRRBL2
    1RSSSSSRRRO11aac(6)-31-like3, aadA6, orfDM
    1RRRRRSRRRBblaIMP-1, aadA1N
    1RSSSSSSSSO1O
    1RSRRRSSSSO6P
    1SSSSSSSSSCQ
    1RRSRRSSSRO10R
    1SSSSSSSSSO4S
    1SSSSSSSSSO11T
    1SSSSSSSSSO11U
    1SSSSSSSSSO11W
    1SSSSSSSSSO11Z
    1SSSSSSSSSO11AA
    1SSSSSSSSSO11AJ
    1SSSSSSSSSMX
    1SSRSSSSSSO1Y
    1SSSSSSSSSO10AB
    1RSRSSSSSRBAC
    1SSSSSSSSSO6AD
    1RRRSSRSSSO11AE
    1SSSSSRRSSO11AF
    1RRSSSSSSSNTAG
    1RSSSSSSSSBAH
    1SSSRSSSSRO1AI
    1SSSSSSSSSBAK
    1SSSSSSSSSNTAL
  • a FQs, fluoroquinolones.

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

  • c NT, nontypeable.