Table 4 Pattern of antimicrobial resistance, MBLs genes, carbapenemase genes, and phenotypic characterization of commensal E. coli isolates resistant to imipenem
No of isolate | Age (month) | CHL | NA | AMP | TET | KAN | CTX | CAZ | STR | STX | CIP | GEN | IMP | MEN | MDR | blaNDM | blaSIM | blaSPM-1 | blaGIM | blaIMP-1 | blaIMP-2 | blaVIM-1 | blaVIM-2 | blaKPC | oxa-23 | oxa-48 | DDST | CDT | PBA | MHT | mCIM | eCIM | MBL | Transconjugation | MIC | Size of plasmids (kb) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
260 | 12 | R | R | R | S | R | R | R | R | R | R | S | R | R | + | + | – | – | – | – | – | – | – | – | – | – | + | – | – | – | + | + | + | + | 6 | 3P > 23 |
271 | 36 | R | S | R | S | S | R | R | S | S | S | S | R | R | + | – | – | – | – | – | – | – | + | – | – | – | – | + | – | – | + | + | + | + | 6 | 2P > 23 |
335 | 35 | S | R | R | R | R | R | R | R | R | R | S | R | R | + | + | – | – | – | – | – | – | – | – | – | – | + | – | – | – | + | + | + | + | 5 | 12, 3P > 23 |
175 | 22 | S | R | S | R | R | R | S | R | S | I | I | R | R | + | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | + | – | – | – | 6 | 16, 12, 1P > 23 |
176 | 36 | S | R | R | S | S | R | R | R | S | S | S | R | R | + | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | + | + | + | + | 6 | 16, 12 |
317 | 31 | S | R | R | R | I | R | R | R | R | R | S | R | R | + | – | – | – | – | – | – | – | – | – | – | – | – | – | + | – | + | – | – | + | 6 | 5, 14 |