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(%) | Â | 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 |