Table 2. emm types, resistance genotypes and STs of 85 macrolide-resistant group A streptococcal isolates.
| emm Type | No. of isolates | STsa,b | Macrolide resistance genotype | ||||
|---|---|---|---|---|---|---|---|
| erm(B)c | erm(B)plus mef(A)c | erm(TR)c | erm(TR)plus mef(A)c | mef(A)c | |||
| emm28 | 37 | ST52 [36] | 29 (80.6) | 7 (19.4) | |||
| ST1117 [1]d | 1 (100) | ||||||
| emm77 | 23 | ST63 | 21 (91.3) | 2 (8.7) | |||
| emm12 | 9 | ST36 | 5 (55.6) | 1 (11.1) | 1 (11.1) | 1 (11.1) | 1(11.1) |
| emm89 | 5 | ST101 | 1 (20) | 1 (20) | 3 (60) | ||
| emm4 | 5 | ST39 | 5 (100) | ||||
| emm11 | 3 | ST20 | 3 (100) | ||||
| emm1 | 1 | ST28 | 1 (100) | ||||
| emm75 | 1 | ST150 | 1 (100) | ||||
| emm58 | 1 | ST176 | 1 (100) | ||||
| Total | 85 | 85 | 39 (45.9) | 9 (10.6) | 28 (32.9) | 3 (3.5) | 6 (7.1) |
a STs: Sequence Types
b In brackets: Number of isolates
c Number, percent in parentheses
d Novel ST