Table 7.
Acquired resistance genes in bacteria causing ocular infections according to the species.
|
Antibiotic classes/Genes No. (%) |
Phenotypic resistance, % | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AS | METHI | MLSb | TET | |||||||||||||||||
| Species No. | aph(3')- lll |
ant(6)- Ia |
ant(9)- Ia |
ant(4') | aac(6')- aph(2") |
mecA | erm(A) | erm(B) | erm(C) | mef(A) | mphC | msr(A) | msr(D) | tet(K) | tet(M) | Oxacillin | Gentamicin | Erythromycin | Clindamycin | Tetracycline |
| S.aureus CC8 n=76 | 48 (63.2) | 45 (59.2) | 2 (2.6) | 1 (1.3) | 1 (1.3) | 43 (56.6) | 4 (5.3) | - | 7 (9.2) | - | 52 (68.4) | 51 (67.1) | - | 1 (1.3) | 1 (1.3) | 56.0 | 1.3 | 68.9 | 16.0 | 4.0 |
| S.aureus CC5 n=70 | 16 (22.9) | 16 (22.9) | 40 (57.1) | 29 (41.4) | 1 (1.4) | 36 (51.4) | 42 (60.0) | - | 3 (4.3) | - | 18 (25.7) | 19 (27.1) | - | 2 (2.9) | 1 (1.4) | 52.2 | 2.9 | 77.9 | 58.0 | 2.9 |
| S. epidermidis CC2 n=85 | 7 (8.2) | 5 (5.9) | - | 29 (34.1) | 6 (7.1) | 43 (50.6) | - | - | 15 (17.6) | - | 35 (41.2) | 43 (50.6) | - | 9 (10.6) | - | 52.4 | 7.1 | 67.9 | 22.4 | 15.5 |
| S.ppeemoniaa n=45 | - | - | - | - | - | - | - | 4 (8.7) | - | 15 (32.6) | - | - | 15 (32.6) | - | 4 (8.7) | NA | NA | 40.0 | NA | NA |
AS: Aminoglycosides; METHI: Methicillin; M: Macrolides; L: Lincosamides; Sb: Streptogramin b TET: Tetracycline
NA: not applicable