Table 2.
β-Lactamase susceptibility profiles and genotypes of five A. baumannii isolates.
| Isolate | ID | DN050 | TN078 | DN014 | TN341 | TN345 |
|---|---|---|---|---|---|---|
| Phenotype | Imipenem | + | − | − | − | − |
| Meropenem | + | N/A | + | + | + | |
| Ceftazidime | + | + | − | + | + | |
| Cefotaxime | + | + | + | N/A | + | |
| Ceftriaxone | + | + | + | + | + | |
| Cefpodoxime | N/A | + | N/A | + | + | |
| Cefepime | + | − | + | + | + | |
| Piperacillin | + | N/A | − | N/A | N/A | |
| Ampicillin/sulbactam | + | − | − | + | + | |
| Piperacillin/tazobactam | + | − | − | + | + | |
| Ticarcillin/clavulanic acid | N/A | + | N/A | + | + | |
| Amikacin | + | + | N/A | N/A | N/A | |
| Gentamicin | + | + | N/A | + | + | |
| Ankamycin | N/A | N/A | + | + | − | |
| Netilmicin | N/A | N/A | − | + | + | |
| Ciprofloxacin | + | − | + | + | + | |
| Levofloxacin | + | − | − | N/A | N/A | |
|
| ||||||
| Genotype | bla OXA-51 | + | + | + | + | + |
| bla OXA-23 | − | − | − | − | − | |
| bla OXA-24 | − | − | − | − | − | |
| bla OXA-58 | + | + | + | + | + | |
| ISAba1 | + | + | − | + | − | |
| ISAba2 | + | + | + | − | − | |
| ISAba3 | + | + | + | + | + | |
| ISAba4 | − | − | − | − | − | |
| IS18 | − | − | − | − | − | |
| ISAba3_blaOXA-58 | + | − | − | − | − | |
| NDM | + | + | − | − | − | |
| KPC | − | − | − | − | − | |
| MLVA profile∗ | 6-0-7-1-17-5-0-3 | 6-0-7-14-17-6-15-3 | 9-0-7-1-7-5-14-3 | 9-0-5-15-15-6-0-2 | 9-0-5-15-15-6-0-2 | |
N/A: not determined; −: assay negative (susceptible/absence); +: assay positive (resistant/presence). ∗MLVA profile according to the surveyed loci: 3468-1988-3002-845-2396-5350-826-2240.