Table 4.
The frequency and distribution of different β-lactamase genes among 49 carbapenem-resistant Pseudomonas aeruginosa and 48 CREs isolates collect between 2017 and 2019
| Species | No. of isolates | Class A β-lactamase | Class B β-lactamase | Class C β-lactamase | Class D β-lactamase | |||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CTX-M-15 | CTX-M-1-240G | CTX-M-TYPE | CTX-M-14 | CTX-M-1-TYPE | CTX-M-9-240D | SHV-OSBL | SHV-31 | SHV-ESBL | TEM-OSBL | KPC-2 | NDM-1 | NDM-19 | NDM-5 | NDM-7 | NDM-TYPE | VIM-2 | VIM-4 | PDC-3 | PDC-19A | PDC-5 | PDC-1 | PDC-12 | PDC-14 | PDC-37 | PDC-35 | PDC-39 | PDC-TYPE | PDC-11 | PDC-117 | PDC-16 | PDC-59 | PDC-60 | CMY-2-TYPE | CMY-42 | DHA-1 | DHA-TRUNC | ACT-TYPE | OXA-181 | OXA-232 | OXA-48 | OXA-TYPE | Total no. of genes | ||
| Pseudomonas aeruginosa | 49 | 4 | 16 | 4 | 4 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 49 | ||||||||||||||||||||||||||
| Klebsiella pneumoniae | 27 | 12 | 4 | 1 | 1 | 1 | 21 | 2 | 2 | 17 | 1 | 5 | 1 | 3 | 1 | 1 | 13 | 2 | 88 | |||||||||||||||||||||||||
| Escherichia coli | 11 | 2 | 3 | 1 | 3 | 1 | 1 | 2 | 2 | 1 | 1 | 17 | ||||||||||||||||||||||||||||||||
| Enterobacter cloacae | 4 | 1 | 1 | 1 | 1 | 4 | ||||||||||||||||||||||||||||||||||||||
| Serratia marcescens | 3 | 1 | 1 | |||||||||||||||||||||||||||||||||||||||||
| Klebsiella variicola | 2 | 2 | 2 | |||||||||||||||||||||||||||||||||||||||||
| Klebsiella aerogenes | 1 | 1 | 1 | |||||||||||||||||||||||||||||||||||||||||
| Total | 97 | 14 | 7 | 1 | 1 | 1 | 1 | 21 | 2 | 2 | 20 | 1 | 7 | 1 | 3 | 3 | 2 | 4 | 1 | 16 | 4 | 4 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 13 | 4 | 1 | 161 |
| Subtotals | 71 | 21 | 50 | 19 | 161 | |||||||||||||||||||||||||||||||||||||||