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Table 2 Summary of RPA, PCR, and resistance data for bacterial strains. n.d., test not performed

From: Rapid molecular detection of macrolide resistance

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) -
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