Table 7 Phenotypic resistance and resistance determinants found in E. coli isolates in this study
Source | E. coli serotype | Resistance phenotype | Resistance genes/class 1 integron |
|---|---|---|---|
Poultry | |||
 Fresh poultry meat | O1 | STR, TET | – |
 Fresh poultry meat | O18 | AMP, CIP, CPD, NAL, STR, TET, T/S | qnrA, qnrB |
 Fresh poultry meat | O18 | AMC, AMP, CHL, CIP, CRO, CTX, NAL, STR, TET, T/S | bla CTX-M-1, bla OXA-1, qnrA, qnrB |
 Fresh poultry meat | O78 | AMC, AMP, CAZ, TET, T/S | bla CTX-M-1, bla TEM-1 |
 Fresh poultry meat | O119 | AMC, AMP, CAZ, CTX, STR, TET, T/S | bla CTX-M-14, bla TEM-104 |
 Fresh poultry meat | O20 | AMC, AMP, CPD, TET, T/S | bla CTX-M1, bla OXA-1, bla TEM-1 |
 Fresh poultry organs (liver) | O18 | AMC, AMP, CAZ, CHL, CIP, CRO, CTX, ENR, NAL, STR, TET, T/S | bla CTX-M-1, bla TEM-104,qnrA, qnrB, dfrA1-orf |
 Fresh poultry organs (liver) | O126 | AMP, CTX, STR | bla CTX-M-1 |
 Fresh poultry organs (gizzard) | O20 | AMC, AMP, STR, T/S | bla TEM-1 |
 Fresh poultry organs (liver) | O145 | CAZ, TET | – |
 Frozen poultry meat | O1 | CTX, NAL, TET | qnrA, qnrB |
 Frozen poultry meat | O18 | AMC, AMP, STR, TET, T/S | bla OXA-1, bla TEM-1 |
 Frozen poultry | 078 | AMC, AMP, CPD |  |
 Frozen poultry meat | O146 | AMC, AMP, TET, T/S | bla TEM-1 |
 Frozen organ poultry | 078 | AMC, AMP, CAZ, CHL, CIP, CRO, CTX, ENR, NAL, STR, TET, T/S | bla CTX-M-14,bla TEM-1, qnrA, qnrB, dfrA15 |
Beef | |||
 Fresh beef meat | O119 | CPD | – |
 Fresh beef meat | O158 | CPD, TET | – |
 Fresh beef organs (liver) | O78 | AMC, AMP, CHL, CIP, CRO, CTX, ENR, NAL, STR, TET, T/S | bla CTX-M-1, bla TEM-104, qnrA, qnrB, dfrA1, dfrA1-orf |
 Frozen beef meat | O103 | STR, TET | bla CTX-M-1 |
 Frozen beef meat | O126 | AMC, AMP, CIP, STR, TET, T/S | bla TEM-1, qnrA, qnrB |
 Frozen beef meat | O158 | AMC, AMP, STR, TET, T/S | bla TEM-1 |