Table 1 Primers used for PCR amplification of qnr genes
| Target gene | Primer sequence (5′-3′) | Size (bp) |
|---|---|---|
| qnrA |
F: GATAAAGTTTTTCAGCAAGAGG R: ATCCAGATCCGCAAAGGTTA | 823 |
| qnrB |
F: ATGACGCCATTACTGTATAA R: GATCGCAATGTGTGAAGTTT | 408 |
| qnrS |
F: ATGGAAACCTACAATCATAC R: AAAAACACCTCGACTTAAGT | 428 |