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Table 1 Phenotypic and genotypic characteristics of OXA-232-producing K. pneumoniae isolates

From: Nosocomial spread of OXA-232-producing Klebsiella pneumoniae ST15 in a teaching hospital, Shanghai, China

PFGE type MLST type Isolates number Resistance determinants Minimal inhibitory concentration (mg/L)
CTX CAZ PZT IPM MEM ETP AK TGC PB SXT CIP
 A1 ST 15 36 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 2 2 16 > 128 ≤0.5 1 > 8 > 16
 A2 ST 15 3 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 32 32 128 > 128 ≤0.5 1 > 8 > 16
 A3 ST 15 9 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 1 2 16 > 128 ≤0.5 1 > 8 > 16
 A4 ST 15 1 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 1 2 16 > 128 ≤0.5 1 > 8 > 16
 A5 ST 15 5 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 1 4 16 > 128 ≤0.5 1 > 8 > 16
 A6 ST 15 1 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 1 4 64 > 128 ≤0.5 1 > 8 > 16
 A7 ST 15 3 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 4 8 32 > 128 ≤0.5 1 > 8 > 16
 A8 ST 15 1 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 1 2 16 > 128 ≤0.5 1 > 8 > 16
 A9 ST 15 1 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 64 64 256 > 128 ≤0.5 1 > 8 > 16
 A10 ST 15 1 blaCTX-M-15, blaSHV-28, blaTEM-1B, aac(6′)-Ib-cr, qnrB66, oqxAB, fosA, rmtF, sul2 > 64 > 32 > 256 2 4 32 > 128 ≤0.5 1 > 8 > 16
 B ST 15 1 blaCTX-M-15, blaSHV-28, blaTEM-1B, blaPER4, aac(6′)-Ib-cr, qnrB1, oqxAB,rmtF, fosA > 64 > 32 > 256 1 2 16 > 128 ≤0.5 1 > 8 > 16
  1. CTX: cefotaxime, CAZ: Ceftazidime, PZT: piperacillin-tazobactam, IMP: imipenem, MEM: meropenem, ETP: ertapenem, AK: amikacin, TGC: tigecycline, PB: polymyxin B, SXT: sulfamethoxazole/trimethoprim, CIP: ciprofloxacin