TABLE 2.

Representative antibiotic susceptibility valuesa of B. cenocepacia K56-2, K56-I2, K56-R2, K56-2 cciI, K56-2 cciR, and K56-2 cepI cciIa planktonic (MIC and MBC) and biofilm (minimal biofilm eradication concentration) populations

AntibioticMIC (μg/ml) for strain:MBC (μg/ml) for strain:Minimal biofilm eradication concn (μg/ml) for strain:
K56-2K56-I2K56-R2K56-2 cciIK56-2 cciRK56-2 cepI cciIK56-2K56-I2K56-R2K56-2 cciIK56-2 cciRK56-2 cepI cciIK56-2K56-I2K56-R2K56-2 cciIK56-2 cciRK56-2 cepI cciI
Ceftazidime8881632112825625612812864>1,024>1,024>1,024>1,024>1,024>1,024
Chloramphenicol3232326464325125125125121,0241,024>1,024>1,024>1,024>1,024>1,024>1,024
Ciprofloxacin88844464646464128645125121,0241,02451264
Meropenem8888481281281286412864>1,024>1,024>1,024>1,024>1,024>1,024
  • a Values shown represent those from one trial; values in subsequent trials did not vary by more than one or two dilutions from the representative value.