Table 3.
Loss of resistance and plasmids in Chloramphenicol-resistant MRSA isolates.
| S/N | MRSA Strain | Resistance Profile | Plasmid Content, kb | Resistance Lost | Plasmids Lost, kb |
|---|---|---|---|---|---|
| 1 | 13973 (ST5-V-t688) | Cm, Em, Clin, Tet | 28.0, 2.8 | Em | 2.8 |
| 2 | 14071 (ST5-V-t688) | Cm, Em, Clin, Tet | c.40.0, 28.0 | None | None |
| 3 | 14098 (ST627-VI-t688) | Cm, Tet, Tp, Fd | 28.0 | None | None |
| 4 | 14284 (ST239-III-t037) | Cm, Gm, Km, Em, Clin, Cip, Fd, Mup | 40.0, 4.4 | Cm, Gm, Km, Mup | 4.4, 40.0 |
| 5 | 14299 (ST239-III-037) | Cm, Gm, Km, Em, Clin, Tet, Fd | 40.0, 3.5, 2.8, <2.0 | Cm | 3.5 |
| 6 | 14314 (ST5-V-t688) | Cm, Tet, Tp, Fd | 28.0 | None | None |
| 7 | 14387 (ST239-III-t860) | Cm, Gm, Km, Em, Clin, Tet, Fd | 28.0, 3.5, 2.8, 2.0 | Cm, Em, Clin | 3.5, 2.8 |
| 8 | 14434 (ST627-VI-t688) | Cm, Tet, Tp, Fd | 28.0 | None | None |
Abbreviations. Clin, clindamycin; Cip, ciprofloxacin; Em, erythromycin; Fd, fusidic acid; Gm, gentamicin; Km, kanamycin; Mup, mupirocin; Tet, tetracycline; Tp, trimethoprim.