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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