Table 1 Identification of presence and regulation of the erm(C) gene was done using PCR. Classification of genes as regulated or constitutive was based on size of the obtained amplicon. Consumption of antimicrobial agents in the three reservoirs is indicated.
From: Regulation of the erm(C) Gene in Staphylococci from Reservoir with Different Usage of Macrolides
| Â | Â | Presence and regulation of erm(C) among staphylococci of human and animal origin | |||
|---|---|---|---|---|---|
| Â | Origin | Human | Cattle | Pigs | |
| Â | Â | S. aureus | staphylococci | S. hyicus | |
|  | Year | 1995–1998 | 1995–1998 | 1995–1998 | 2001 |
| Â | Usage | low | moderate | high | low |
| Â | n = | 45 | 29 | 96 | 15 |
erm(C) | positive* | 69 | 100 | 99 | 47 |
| Â | regulated | 81 | 31 | 9 | 43 |
| Â | constitutive | 19 | 69 | 91 | 57 |