TABLE 2.
Comparison of phenotypes and genotypes of 222 GBS clinical isolates
| Phenotypea | Total no. of strains (% resistant strains) | Resistance genotype (no. of strains) |
|---|---|---|
| cMLS (EM-R, CM-R) | 40 (44) | ermB (37) |
| ermB and ermTR (1) | ||
| ermTR (1) | ||
| Unknown (1) | ||
| iMLS (EM-R, CM-R | 19 (21) | ermTR (17) |
| induced, or D phenotype) | ermB (1) | |
| Unknown (1) | ||
| M (EM-R, CM-S) | 25 (28) | mefA/E (25) |
| L | ||
| EM-S, CM-R | 2 (2) | linB (1) |
| Unknown (1) | ||
| EM-I, CM-R | 4 (4) | ermTR (3) (novel phenotype) |
| Unknown (1) | ||
| Intermediate | ||
| EM-I, CM-S | 7 | mefA/E (5) |
| ermTR (2) | ||
| EM-S, CM-I | 1 | Unknown (1) |
| Sensitive (EM-S, CM-S) | 123 | None |
| 1 | mefA/E (1) |