Table 1.
Characteristics and bla locus allotypes of the MRSA strains used in this study
| Clonal complex a) | MLST (ST) | SCCmec type | Strain | Isolation origin | Isolation year | bla locus alleles | Ref. | ||
|---|---|---|---|---|---|---|---|---|---|
| blaZ | blaI | blaR1 | |||||||
| 247 | I | E2125 | Denmark | 1964 | 1 | ND | ND | [30,31] | |
| 247 | IA | HPV107 | Portugal | 1992 | 1 | ND | ND | [30,32] | |
| 247 | IA | BK1953 | USA | 1995 | 1 | ND | ND | [30,33] | |
| 250 | I | COL | UK | 1965 | - | [30] | |||
| 250 | I | BK793 | Egypt | 1961 | 1 | 1 | 1 | [30,34] | |
| 250 | IA | PER34 | Spain | 1989 | 1 | ND | ND | [30,35] | |
| 239 | III | ANS46 | Australia | 1982 | 1 | 1 | 1 | [30,36] | |
| 239 | IIIA | HU25 | Brazil | 1993 | 1 | ND | ND | [30,37] | |
| 239 | IIIA | HUSA304 | Hungary | 1993 | 1 | ND | ND | [30,38] | |
| 8 | 239 | IIIA | BK2421 | USA | 1996 | 1 | ND | ND | [30,34] |
| 8 | IVa | USA300 | USA | 1995-2003 | 8 | 4 | 9 | [39,40] | |
| 8 | IVa | USA500 | USA | 1995-2003 | 1 | ND | ND | [39,40] | |
| 8 | IVd | BK2529 | USA | 1996 | 1 | ND | ND | [30,34,39] | |
| 8 | IVd | BargII17 | USA | 1996 | 1 | ND | ND | [30,39,41] | |
| 8 | IVE | AR43/3330.1 | Ireland | 1988-2002 | 1 | 1 | 1 | [42] | |
| 8 | IVh | GRE120 | Greece | 1993 | 1 | ND | ND | [39,43] | |
| 72 | IVa | USA700 | USA | 1995-2003 | 9 | - | 4 | [39,40] | |
| 254 | IVh | HAR36 | Greece | 2002 | 1 | 1 | 1 | [39,44] | |
| 770 | IVb | 8/6-3P | Chicago | 1996 | 3 | 3 | 6 | [45] | |
| 5 | I | HAR21 | Finland | 2002 | 1 | ND | ND | [44,46] | |
| 5 | I-VAR | PL72 | Poland | 1991 | 1 | ND | ND | [30,47] | |
| 5 | II | N315 | Japan | 1982 | 8 | 4 | 9 | [18] | |
| 5 | II | JP1 | Japan | 1987 | 8 | 4 | 9 | [30,48] | |
| 5 | II | BK2464 | USA | 1996 | 4 | 6 | 2 | [30,49] | |
| 5 | II | USA100 | USA | 1995-2003 | 3 | 3 | 6 | [40,46] | |
| 5 | IVa | BM18 | USA | 1989 | 4 | 6 | 2 | [30,39,50] | |
| 5 | IVa | FFP311 | Portugal | 1996 | 11 | 1 | 7 | [39,51] | |
| 5 | 5 | IVa | HSA49 | Portugal | 1993 | 11 | ND | ND | [39,51] |
| 5 | IVa | HSA74 | Portugal | 1993 | 5 | 3 | 3 | [39,51] | |
| 5 | IVc | Q2314 | Dallas | 1996 | 3 | ND | ND | [52] | |
| 5 | IVc | USA800 | USA | 1995-2003 | 1 | ND | ND | [39,40] | |
| 5 | IVc | ARG9 | Argentina | 1996 | 11 | 7 | 7 | [39,51] | |
| 5 | IVd | JCSC4469 | Japan | 1982 | 1 | 1 | 1 | [53] | |
| 5 | IVg | M03-68 | Korea | 2003 | 3 | ND | ND | [54] | |
| 5 | IVNT | COB3 | Colombia | 1996 | 6 | 5 | 10 | [30,39,55] | |
| 5 | VI | HDE288 | Portugal | 1996 | 10 | - | 5 | [51,56] | |
| 5 | VI | HUC136 | Portugal | 1995 | 10 | - | 5 | [51,56] | |
| 228 | I | HAR40 | Belgium | 1995 | 2 | 3 | 1 | [44,46] | |
| 30 | IVc | DEN2946 | Denmark | 2001 | 1 | 1 | 1 | [39,57] | |
| 30 | 30 | IVc | DEN2294 | Denmark | 2001 | 1 | ND | ND | [39,57] |
| 36 | II | USA200 | USA | 1995-2003 | 1 | 1 | 1 | [40,46] | |
| 36 | II | HAR24 | Finland | 2002 | 1 | ND | ND | [46,47] | |
| 22 | IVh | HAR22 | Finland | 2002 | 9 | - | 4 | [39,44] | |
| 22 | 22 | IVh | HGSA146 | Portugal | 2003 | 9 | ND | ND | [39,58] |
| 22 | IVh | HGSA163 | Portugal | 2003 | 9 | ND | ND | [39,58] | |
| 45 | II | USA600 | USA | 1995-2003 | 7 | 4 | 9 | [40,46] | |
| 45 | 45 | IVa | HAR38 | Belgium | 1995 | 6 | 2 | 8 | [39,44] |
| 45 | V | WIS | Australia | 1995 | 8 | ND | ND | [59] | |
| 256 | IVa | CA05 | Chicago | 1999 | 8 | 4 | 9 | [45] | |
| 1 | 1 | IVa | MW2 | USA | 1998 | 6 | 2 | 10 | [60] |
| 1 | IVa | USA400 | USA | 1995-2003 | 6 | 2 | 10 | [39,40] | |
| 80 | 80 | IVc | DEN2949 | Denmark | 2001 | 5 | 3 | 3 | [39,57] |
| 80 | IVc | DEN114 | Denmark | 2001 | 5 | 1 | 3 | [39,57] | |
| Singleton | 377 | V | HT0184 | Greece | 2005 | 6 | 2 | 10 | [61] |
| 377 | V | HT0826 | France | 2003 | 6 | ND | ND | [61] | |
a) Clonal complexes were determined using the E-burst software http://saureus.mlst.net/, last accessed on June 04, 2009.
ND, not determined, -, negative PCR amplification.