TABLE 2.
Characteristics of the mcr-1-positive Escherichia coli isolates from animals and animal carcasses
| Isolate | Sample | Province | Yr | MIC (μg/ml) ofa: |
Resistance transferred | ST | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GEN | NEO | STR | AMP | AmC | CEF | FOX | XNL | CIP | SXT | CHL | FFC | COL | NAL | TET | ||||||
| S03-109 | Chicken carcass | Chungnam | 2013 | ≤1 | ≤2 | >128 | >64 | 8 | 16 | 8 | ≤0.5 | >16 | 0.25 | 8 | 4 | 8 | >128 | 4 | Yes | 410 |
| A03-007 | Healthy chicken | Chungbuk | 2014 | ≤1 | ≤2 | 8 | >64 | 8 | 16 | 4 | ≤0.5 | 8 | >4 | 4 | 4 | 8 | >128 | ≤2 | Yes | 156 |
| S03-009 | Chicken carcass | Chungnam | 2014 | ≤1 | ≤2 | 128 | >64 | 8 | 8 | 2 | ≤0.5 | 8 | ≤0.12 | 64 | >64 | 8 | >128 | 32 | Yes | 10 |
| A03-008 | Healthy chicken | Jeonnam | 2014 | ≤1 | ≤2 | 8 | >64 | 8 | 16 | 4 | ≤0.5 | 16 | 0.25 | >64 | 4 | 8 | >128 | ≤2 | No | 101 |
| A03-017 | Healthy chicken | Chungbuk | 2014 | ≤1 | ≤2 | >128 | >64 | 8 | 16 | 4 | ≤0.5 | 8 | >4 | >64 | >64 | 8 | >128 | >128 | Yes | 226 |
| S03-006 | Chicken carcass | Chungbuk | 2014 | ≤1 | ≤2 | >128 | >64 | 8 | >64 | 2 | 8 | 8 | 0.25 | 64 | 64 | 8 | >128 | 64 | Yes | 162 |
| S03-031 | Chicken carcass | Jeonnam | 2014 | ≤1 | ≤2 | >128 | >64 | 8 | 8 | 4 | ≤0.5 | 0.25 | 0.5 | >64 | >64 | 8 | 128 | 128 | No | 88 |
| S03-026 | Chicken carcass | Gyeonggi | 2015 | 64 | ≤2 | 128 | >64 | 8 | 16 | 4 | ≤0.5 | 16 | >4 | 8 | 4 | 8 | >128 | 128 | Yes | 2732 |
| A03-003 | Healthy chicken | Jeonnam | 2015 | ≤1 | ≤2 | 8 | >64 | 4 | 8 | 4 | ≤0.5 | 1 | ≤0.12 | >64 | >64 | 8 | 128 | 128 | No | 1141 |
| A03-010 | Healthy chicken | Jeonnam | 2015 | ≤1 | ≤2 | >128 | >64 | 4 | >64 | 2 | >8 | 8 | 0.25 | >64 | 64 | 8 | >128 | 64 | Yes | 162 |
| R02-111 | Diseased pig | Chungbuk | 2015 | 16 | ≤2 | >128 | >64 | 8 | 8 | 4 | ≤0.5 | ≤0.12 | >4 | 64 | 64 | 16 | ≤2 | 64 | Yes | 1 |
a
GEN, gentamicin; NEO, neomycin; STR, streptomycin; AMP, ampicillin; AmC, amoxicillin-clavulanic acid; CEF, cephalothin; FOX, cefoxitin; XNL, ceftiofur; CIP, ciprofloxacin; SXT, trimethoprim-sulfamethoxazole; CHL, chloramphenicol; FFC, florfenicol; COL, colistin; NAL, nalidixic acid; TET, tetracycline; ST, sequence type.