Table 4.
Frequency of common mutations and genes conferring resistance to fluoroquinolones, tetracycline, macrolides, and efflux pumps in C. jejuni and C. coli.
| Antibiotics | n, % | Fluoroquinolones | Macrolides | Tetracyclines | Efflux Pumps | |||
|---|---|---|---|---|---|---|---|---|
| Genes/mutations | Thr-86-Ile |
A2075G &
A2074C |
ermB | tet(O) | tet(A) | tet(O)& tet(A) | cmeB | |
| C. coli | n | 22 | 13 | 0 | 83 | 3 | 2 | 21 |
| % | 100 | 100 | 0 | 94.3 | 3.4 | 2.3 | 23.1 * | |
| C. jejuni | n | 24 | 11 | 0 | 73 | 8 | 0 | 4 |
| % | 100 | 100 | 0 | 90.1 | 9.9 | 0 | 4.7 * | |
| Campylobacter spp. | n | 46 | 24 | 0 | 156 | 11 | 2 | 25 |
| % | 100 | 100 | 0 | 92.3 | 6.5 | 1.2 | 14.1% | |
* Significant difference in the detection frequency between C. coli and C. jejuni isolates.