Volume 15, Number 7—July 2009
Dispatch
Methicillin-Resistant Staphylococcus aureus ST398 in Swine Farm Personnel, Belgium
Table 2
Characteristics of 48 methicillin-resistant Staphylococcus aureus sequence type 398 isolates from persons on 49 pig farms, Belgium, 2007*
| spa type | spa repeats | SCCmec type | No. isolates | No. farms | Methylase genes |
Tetracycline resistance genes |
Resistance phenotype (>50% isolates) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AME genes |
||||||||||||||
| aac(6′)–aph(2′′) | ant(4′) | aph(3′) | ||||||||||||
| ermA | ermC | tetK | tetM | |||||||||||
| t011 | 08–16–02–25–34–24–25 | IV | 26 | 14 | 25 | 10 | 0 | 0 | 19 | 5 | 26 | GEN, TOB, ERY, CLI, TET, SXT | ||
| V |
19 |
10 |
0 |
0 |
0 |
1 |
3 |
16 |
19 |
CIP, CLI, TET, SXT |
||||
| t034 | 08–16–02–25–02–25–34–24–25 | V | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | CIP, CLI, TET, SXT | ||
| NT |
1 |
1 |
0 |
1 |
0 |
0 |
0 |
1 |
1 |
TOB, TET |
||||
| t567 | 08–02–25–24–25 | NT | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | ERY, CLI, TET | ||
*SCC, staphylococcal cassette chromosome; AME, aminoglycoside modifying enzyme; GEN, gentamicin; TOB, tobramycin; ERY, erythromycin; CLI, clindamycin; TET, tetracycline; SXT, cotrimoxazole; CIP, ciprofloxacin; NT, not typeable. All isolates were agr group 1.


