Table 5.
Distribution of emm types erythromycin-resistant genes and superantigens in 297 GAS isolates from Children’s Hospital during 2016 to 2017
| emm genes | erythromycin-resistant genes | superantigens | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | n. |
ermB (n/%) |
ermA (n/%) |
mefA (n/%) |
speA (n) |
speC (n) |
speG (n) |
speH (n) |
speI (n) |
speJ (n) |
speK (n) |
speL (n) |
speM (n) |
ssa (n) |
smeZ (n) |
| emm1.0 | 78 | 78/26.3 | 0/0 | 2/0.67 | 70 | 76 | 74 | 3 | 5 | 55 | 1 | 2 | 13 | 66 | 76 |
| emm12.0 | 139 | 136/45.79 | 0/0 | 1/0.34 | 11 | 125 | 126 | 123 | 124 | 6 | 0 | 3 | 40 | 130 | 134 |
| emm3.1 | 3 | 1/0.34 | 0/0 | 1/0.34 | 2 | 2 | 3 | 0 | 1 | 0 | 3 | 0 | 1 | 1 | 3 |
| emm4.0 | 1 | 1/0.34 | 0/0 | 0/0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| emm6.19 | 1 | 1/0.34 | 0/0 | 0/0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 |
| emm6.4 | 1 | 1/0.34 | 0/0 | 0/0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 |
| emm6.89 | 1 | 1/0.34 | 0/0 | 0/0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| emm75.0 | 8 | 8/2.69 | 0/0 | 0/0 | 1 | 8 | 7 | 6 | 8 | 1 | 0 | 8 | 6 | 0 | 8 |
| emm89.0 | 4 | 4/1.35 | 0/0 | 0/0 | 0 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 |
| emm225 | 1 | 1/0.34 | 0/0 | 0/0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| stg485.0 | 1 | 1/0.34 | 0/0 | 0/0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| emm1.25 | 1 | 1/0.34 | 0/0 | 0/0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| emm1.3 | 1 | 1/0.34 | 0/0 | 0/0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| emm1.33 | 2 | 2/0.67 | 0/0 | 0/0 | 2 | 2 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 2 |
| emm12.12 | 1 | 1/0.34 | 0/0 | 0/0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 |
| emm12.13 | 1 | 1/0.34 | 0/0 | 0/0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 |
| emm12.19 | 27 | 27/9.09 | 0/0 | 0/0 | 4 | 26 | 25 | 3 | 3 | 0 | 0 | 1 | 4 | 27 | 27 |
| emm12.20 | 1 | 1/0.34 | 0/0 | 1/0.34 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 |
| emm12.21 | 2 | 2/0.67 | 0/0 | 0/0 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 1 |
| emm12.30 | 1 | 1/0.34 | 0/0 | 0/0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 |
| emm12.36 | 4 | 4/1.35 | 0/0 | 0/0 | 2 | 4 | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 4 | 4 |
| emm12.37 | 8 | 6/2.02 | 0/0 | 0/0 | 2 | 8 | 7 | 7 | 7 | 0 | 0 | 0 | 2 | 8 | 8 |
| emm12.40 | 2 | 2/0.67 | 0/0 | 0/0 | 0 | 2 | 1 | 2 | 2 | 0 | 0 | 0 | 1 | 2 | 2 |
| emm12.66 | 2 | 2/0.67 | 0/0 | 0/0 | 0 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 2 | 2 |
| emm12.69 | 2 | 2/0.67 | 0/0 | 0/0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
| emm12.7 | 1 | 1/0.34 | 0/0 | 0/0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| emm12.72 | 2 | 2/0.67 | 0/0 | 0/0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
| emm12.76 | 1 | 1/0.34 | 0/0 | 0/0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| Percentage(%) | 97.64 | 0 | 1.68 | 34.34 | 92.59 | 91.58 | 52.19 | 54.55 | 22.22 | 2.02 | 5.05 | 24.58 | 85.52 | 96.97 | |