Species | Strain | mef(A) RPA from lysate (min) | PCR | MIC (μg/ml) (erythromycin) | MIC (μg/ml) (ampicillin) | Notes |
---|---|---|---|---|---|---|
S. pyogenes | MGAS10394 | 6.1 | + | 3.2 | <  0.125 | known mef(A) + |
S. pyogenes | MGAS6180 | 17.9 | – | <  0.05 | <  0.125 | known mef(A) - |
S. agalactiae | SGBS025 | not detected | – | >  3.2 | <  0.125 | known mef(A) - and ermB + |
S. salivarius | Patient isolate | 10.0 | + | 3.2 | <  0.125 | discovered mef(A) + |
S. pneumoniae | NP112 | 18.4 | n.d. | n.d. | n.d. | known mef(A) - |
S. pneumoniae | GA17457 | 7.2 | n.d. | n.d. | n.d. | known mef(A) + |
S. pneumoniae | GA16242 | 6.3 | n.d. | n.d. | n.d. | known mef(A) + |
E. faecium | Strain 513 | not detected | n.d. | n.d. | n.d. | known mef(A) - |