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Table 4 Distribution of emm /T types, phenotypes and genotypes of erythromycin-resistant Sma I-non-restricted isolates

From: Molecular epidemiology, antimicrobial susceptibilities and resistance mechanisms of Streptococcus pyogenes isolates resistant to erythromycin and tetracycline in Spain (1994–2006)

emm T Phenotype No. of isolates Genotypes (no. of isolates)
     erm (B) erm (A) msr (D) mef (A)
1 1 M 4 1 2 4 4
12 12 M 16 4 2 16 16
12 NT M 1 0 1 1 1
28 28 iMLSB 1 1 1 0 1
4 4 M 116 18 39 115 116
6 6 M 27 1 0 27 27
75 25 M 42 18 32 42 41
75 25 cMLSB 1 1 0 0 1
81 B3264 iMLSB 1 1 1 1 1
84 25 M 6 1 4 6 6
28 NT cMLSB 1 1 0 0 1
Total    82 216