Table 2.
Gram-negative bacterial isolates carrying various blaCARBA genes screened from a total of 399 isolates obtained from CHROMagar extended-spectrum beta-lactamase (ESBL) and CHROMagar Klebsiella pneumoniae carbapenemase (KPC) media.
| Species/Genus | Family | Carbapenemase genes types | ||||||
|---|---|---|---|---|---|---|---|---|
| bla KPC | bla NDM-1 | bla GES | bla OXA-48 | bla IMP | bla IMI | bla VIM | ||
| Enterobacter amnigenus | Enterobacteriaceae | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Enterobacter spp. (3√) | Enterobacteriaceae | 0 | 0 | 9 | 0 | 0 | 0 | 0 |
| Citrobacter amalonaticus (√) | Enterobacteriaceae | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Citrobacter brakii | Enterobacteriaceae | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Kluyvera cryocescens (2√) | Enterobacteriaceae | 1 | 0 | 12 | 0 | 0 | 0 | 0 |
| Raoultella ornithinolytica+ | Enterobacteriaceae | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Klebsiella pneumoniae | Enterobacteriaceae | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| E. coli | Enterobacteriaceae | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
| Raoultella spp. | Enterobacteriaceae | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Aeromonas spp. | Aeromonadaceae | 0 | 0 | 8 | 0 | 0 | 0 | 0 |
| Aeromonas/caviae | Aeromonadaceae | 0 | 0 | 14 | 0 | 0 | 0 | 1 |
| Pseudomonas putida | Pseudomonadaceae | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Stenotrophomonas maltophilia | Xanthomonadaceae | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Unknown | - | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
| Total isolates | 6 | 0 | 51 | 0 | 0 | 0 | 2 | |
A mark “√” denotes isolates grown on CHROMagar ESBL; otherwise, all isolates were grown on CHROMagar KPC media.