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Table 2 Characteristics and bla locus allotypes of MSSA strains used in this studya)

From: Evidence for a purifying selection acting on the β-lactamase locus in epidemic clones of methicillin-resistant Staphylococcus aureus

Clonal complex b) MLST (ST) PFGE type Strain Origin Isolation date blalocus alleles
       blaZ blaI blaR1
  1 G IPOP38 Portugal 2001 6 2 10
1 188 L IPOP58 Portugal 2001 6 2 10
  573 M HSJ109 Portugal 1995 6 2 10
5 5 C HSA29 Portugal 1992-1993 11 4 7
  5 C IPOP41 Portugal 2001 6 3 6
8 8 J IPOP65 Portugal 2001 8 2 ND
  615 E IPOP32 Portugal 2001 9 1 4
9 9 D HSJ122 Portugal 1995 12 1 12
10 10 Q DCC300 Portugal 1996-1997 9 1 5
12 12 X HSJ130 Portugal 1995 3 3 6
  12 X Draftees728 Portugal 1996-1997 1 1 1
15 15 K HSA9 Portugal 1992-1993 6 9 ND
20 20 N HSA47 Portugal 1992-1993 6 8 11
22 22 T Draftees721 Portugal 1996-1997 6 3 5
25 25 S HSA76 Portugal 1992-1993 1 1 1
  30 A IPOP37 Portugal 2001 13 1 1
30 34 B IPOP24 Portugal 2001 6 ND ND
  34 B IPOP34 Portugal 2001 1 1 ND
  NA B IPOP26 Portugal 2001 1 ND ND
45 45 H HSA19 Portugal 1992-1993 6 2 10
  45 H IPOP56 Portugal 2001 6 ND ND
97 97 P IPOP50 Portugal 2001 6 ND ND
121 121 F IPOP44 Portugal 2001 10 1 5
Singleton 580 R DCC1185 Portugal 1996-1997 1 1 1
  1. a) MSSA strains have been previously characterized by PFGE and MLST[62].
  2. b) Clonal complexes were determined using the E-burst software http://saureus.mlst.net/eburst/database.asp, last accessed on June 04, 2009.
  3. NA, not available; ND, not determined.