Table 3 Analysis of correlation between antibiotic resistance phenotype and genotype
|
Antibiotic (resistance gene) |
Dairy cattle E. coli isolates (n = 27) |
Beef cattle E. coli isolates (n = 44) | ||||||
|---|---|---|---|---|---|---|---|---|
| Genotype | Phenotype | Kappa | Genotype | Phenotype | Kappa | |||
| S | R | S | R | |||||
| Penicillin | S | 0 | 0 | 0 | S | 1 | 0 | 1 |
| (blaTEM) | R | 0 | 27 | R | 0 | 43 | ||
| Amoxicillin | S | 0 | 0 | 0 | S | 1 | 0 | 0.06 |
| (blaTEM) | R | 5 | 22 | R | 19 | 24 | ||
| Ampicillin | S | 1 | 21 | 0.02 | S | 6 | 34 | 0.03 |
| (blaSHV) | R | 0 | 5 | R | 0 | 4 | ||
| Cefazolin | S | 8 | 15 | 0.13 | S | 23 | 18 | 0.15 |
| (blaOXA) | R | 0 | 4 | R | 0 | 3 | ||
| Streptomycin | S | 4 | 4 | 0.23 | S | 0 | 0 | 0 |
| (aadA1) | R | 5 | 14 | R | 17 | 27 | ||
| Gentamicin | S | 1 | 0 | 0.12 | S | 18 | 1 | 0.56 |
| (aac (3′)-IIa) | R | 9 | 17 | R | 9 | 16 | ||
| Kanamycin | S | 15 | 12 | 0 | S | 24 | 16 | 0.02 |
| (aadB) | R | 0 | 0 | R | 1 | 3 | ||
| Tetracycline | S | 1 | 0 | 0.19 | S | 0 | 1 | −0.04 |
| tet (A) | R | 6 | 20 | R | 13 | 30 | ||
| Tetracycline | S | 4 | 4 | 0.29 | S | 2 | 0 | 0.19 |
| tet (B) | R | 4 | 15 | R | 12 | 30 | ||
| Tetracycline | S | 5 | 20 | −0.55 | S | 0 | 30 | −0.77 |
| tet (C) | R | 1 | 1 | R | 14 | 0 | ||
| Compound Sulfamethoxazole | S | 4 | 12 | 0.06 | S | 18 | 5 | 0.59 |
| (sul1) | R | 2 | 9 | R | 4 | 17 | ||
| Sulfamethoxydiazine | S | 1 | 0 | 0.29 | S | 6 | 4 | 0.26 |
| (sul2) | R | 4 | 22 | R | 10 | 24 | ||
| Florfenico | S | 1 | 0 | 0.08 | S | 18 | 0 | 0.41 |
| (floR) | R | 12 | 14 | R | 14 | 12 | ||