Table 2.
Antimicrobial susceptibilities and distribution of the virulence-related icaAB locus and IS256 gene and mecA resistance gene among isolates with different aj1-LP-fusB types
| Antibiotic(s) to which isolates were resistant or virulence-related genotypea | No. of isolates (%) of aj1-LP-fusB type: |
|||
|---|---|---|---|---|
| I (n = 14) | II (n = 58) | III (n = 47) | IV (n = 17) | |
| Clindamycin | 9 (64) | 45 (78) | 35 (74) | 4 (24) |
| Erythromycin | 12 (86) | 45 (78) | 35 (74) | 12 (71) |
| Gentamicin | 13 (93) | 56 (97) | 42 (89) | 8 (47) |
| Oxacillin | 14 (100) | 57 (98) | 47 (100) | 15 (88) |
| Trimethoprim-sulfamethoxazole | 12 (86) | 54 (93) | 42 (89) | 14 (82) |
| icaAB (−) IS256 (−) mecA (−) | 0 (0) | 1 (2) | 0 (0) | 2 (12) |
| icaAB (−) IS256 (−) mecA (+) | 4 (29) | 1 (2) | 3 (6) | 10 (59) |
| icaAB (+) IS256 (−) mecA (+) | 1 (7) | 1 (2) | 0 (0) | 3 (18) |
| icaAB (−) IS256 (+) mecA (+) | 4 (29) | 0 (0) | 1 (2) | 2 (12) |
| icaAB (+) IS256 (+) mecA (+) | 5 (36) | 55 (95) | 43 (91) | 0 (0) |
a
(−), gene is absent; (+), gene is present.