Table 7.
Genotypic features of the ESBL-producing ciprofloxacin-resistant Salmonella and Shigella isolates.
| ID | Source | Sex/Age | Strain | β-lactamase and ESBL gene | MIC CIP |
QRDR mutation: |
PMQR gene | ||
|---|---|---|---|---|---|---|---|---|---|
| (μg/ml) | gyrA | parC | |||||||
| SH 968 | Blood | F/75 y | S. Agona | blaCTX-M-15, blaTEM-1, blaCMY-2 | 1 | S83F, D87G | T57S | aac-(6′)-lb | |
| SH 1902 | Stool | F/87 y | S. Agona | blaTEM-1, blaCMY-2 | 0.5 | S83F, D87Y | T57S | aac-(6′)-lb | |
| SH 713 | Stool | M/1 y | S.I. 4,5,12:i:- | blaCTX-M-15, blaTEM-1, blaCMY-2 | 0.064 | WT | WT | qnrB | |
| SH 714 | Stool | F/55 y | S.I. 4,5,12:i:- | blaCTX-M-15, blaTEM-1, blaCMY-2 | 0.047 | WT | WT | qnrS, qnrB | |
| SH 1075 | Urine | F/59 y | S.I. 4,5,12:i:- | blaCTX-M-15, blaTEM-1, blaCMY-2 | 0.047 | WT | WT | aac-(6′)-lb,qnrB | |
| SH 1123 | Stool | M/51 y | S.I. 4,5,12:i:- | blaCTX-M-15, blaTEM-1, blaCMY-2 | 0.75 | WT | WT | aac-(6′)-lb | |
| SH 1337 | Rectal swab | F/43 y | S.I. 4,5,12:i:- | blaCTX-M-15, blaTEM-1, blaCMY-2 | 0.047 | WT | WT | qnrB | |
| SH 1756 | Rectal swab | F/15 y | S.I. 4,5,12:i:- | blaCTX-M-15, blaTEM-1 | 1 | S83F, D87G | WT | aac-(6′)-lb | |
| SH 1493 | Stool | M/3 y | S. Rissen | blaCMY-2 | 0.38 | WT | WT | qnrS | |
| SH 1761 | Stool | F/81 y | S. Rissen | blaCTX-M-15, blaTEM-1 | 0.5 | S83F | T57S | qnrS, qnrB | |
| Shi 235 | Rectal swab | F/32 y | Shi. sonnei I | blaCTX-M-15, blaTEM-1, blaCMY-2 | 1 | S83L, D87Y | S80I | qnrS | |
| Shi 244 | Stool | M/11 y | Shi. sonnei II | blaCTX-M-15, blaTEM-1, blaCMY-2 | 0.5 | S83L, D87Y | WT | qnrS | |
| Shi 274 | Stool | M/1 y | Shi. sonnei II | blaCTX-M-15, blaTEM-1, blaCMY-2 | 0.75 | S83L, D87Y | WT | qnrS | |
| Shi 15 | Rectal swab | F/6 y | Shi. sonnei I,II | blaCTX-M-15, blaCMY-2 | 0.5 | S83L, D87G | WT | qnrS | |
ESBL, extended-spectrum beta-lactamase; QRDR, quinolone-resistance determining region; PMQR, plasmid-mediated quinolone resistance; CIP, ciprofloxacin; WT, wild type; F, Phenylalanine; G, glycine; I, isoleucine; S, Serine; T, Threonine; Y, Tyrosine; M, Male; F, Female.