TABLE 3.
Distribution of macrolide and aminoglycoside resistance genes in MRSA isolates from the Czech Republica
| No. of isolates with macrolide profile | Macrolide profile
|
No. of isolates with aminoglycoside profile | Aminoglycoside profile
|
|||||
|---|---|---|---|---|---|---|---|---|
| ermA | ermB | ermC | msrA | aac6′-aph2′′ | aph3′ | ant4′ | ||
| 30 | + | − | − | − | 54 | + | − | − |
| 0 | − | + | − | − | 1 | − | − | + |
| 3 | − | − | + | − | 0 | − | + | − |
| 0 | − | − | − | + | 28 | + | − | + |
| 0 | + | + | − | − | 12 | + | + | − |
| 64 | + | − | + | − | 0 | − | + | + |
| 0 | + | − | − | + | 0 | + | + | + |
| 0 | − | + | + | − | 5 | − | − | − |
| 0 | − | + | − | + | ||||
| 2 | − | − | + | + | ||||
| 1 | − | − | − | − | ||||
a
The numbers of isolates that carried each antibiotic resistance gene were as follows: macrolide genes, ermA, 94; ermB, 0; ermC, 69; mrsA, 2 (total, 100), aminoglycoside genes, aac6′-aph2′′, 94; aph3′, 12; ant4′, 29 (total, 100).