| Target | Primer | Sequence (5’-3’) | Amplicon size (bp) | Source |
| mexB | mexBMRTup | 5’-ACTTCTTCAGCTTCAAGGAC-3’ | 155 | This study |
|
| mexBMRTdown | 5’-GAGCATGAGGAACTTGTTG-3’ |
| |
| mexD | mexDRTup | 5’-CTACCCTGGTGAAACAGC-3’ | 250 | This study |
|
| mexDRTdown | 5’-AGCAGGTACATCACCATCA-3’ |
| |
| mexF | mexFRTup | 5’-CATCGAGATCTCCAACCT-3’ | 350 | This study |
|
| mexFRTdown | 5’-GTTCTCCACCACCACGAT-3’ |
| |
| mexY | mexYMRTup | 5’-GCTACAACATCCCCTATGAC-3’ | 445 | This study |
|
| mexYMRTdown | 5’-AACTGGCGGTAGATGTTG-3’ |
|
|