Research Article
Antimicrobial Resistance of Enteric Salmonella in Bangui, Central African Republic
Table 1
Primers used for detecting resistance-associated genes by PCR.
| Gene | Enzymatic activity | Antibiotic targeted | Primers | References |
| blaTEM | Penicillinase TEM | Aminopenicillins, carboxypenicillins, and ureidopenicillins | OT3: 5′ ATGAGTATTCAACATTTCCG 3′ OT4: 5′ CCAATGCTTATTCAGTGAGG 3′ | [6, 7] |
| blaOXA | Oxacillinase | Aminopenicillins, carboxypenicillins, ureidopenicillins, and Penicillin M | OXA F: 5′ ATGAAAACACAATACATATC 3′ OXA R: 5′ AATTTAGTGTGTTTAGAATG 3′ | [8] |
| blaSHV | Beta-lactamase Sulfhydryl Variable (SHV) | All beta-lactams except carbapenems and cephamycins | OS5: 5′ TTATCTCCCTGTTAGCCACC 3′ OS6: 5′ GATTTGCTGATTTCGCTCGG 3′ | [9] |
| tetA | Active efflux pump | Cyclines | TetA Lower: 5′ GCAGGCAGAGCAAGTAGAGG 3′ TetA Upper: 5′ GTTTCGGGTTCGGGATGGTC 3′ | [6, 10, 11] |
| catA1 | Chloramphenicol acetyl transferase | Chloramphenicol | CatA1-F: 5′ CGCCTGATGAATGCTCATCCG.3′ CatA1-R: 5′ CCTGCCACTCATCGCAGTAC 3′ | [6, 12] |
| aadA1 | Aminoglycoside adenyltransferase | Streptomycin | Aad-F: 5′ TATCAGAGGTAGTTGGCGTCAT 3′ Aad-R: 5′ GTTCCATAGCGTTAAGGTTTCATT 3′ | [6, 13, 14] |
| dhfrA1 | Dihydrofolate reductase (DHFR) | Trimethoprim | dhfrla-F: 5′ TGAAACTATCACTAATGGTA 3′ dhfrla-R: 5′ TTAACCCTTTTGCCAGTATTG 3′ | [4, 15] |
| sul I | Dihydropteroate synthetase (DHPS) | Sulfonamides | Sul I-F: 5′ CGGCGTGGGCTACCTGAACC 3′ Sul I-B: 5′ GCCGATCGCGTGAAGTTCCG 3′ | [6, 15] |
| sul II | Dihydropteroate synthetase (DHPS) | Sulfonamides | Sul II-F: 5′ GCGCTCAAGGCAGATGGCATT 3′ Sul II-B: 5′ GCGTTTGATACCGGCACCCGT 3′ | [6, 15] |
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