Research Article

Characteristics of Community-Associated Methicillin-Resistant Staphylococcus aureus (CA-MRSA) Strains Isolated from Skin and Soft-Tissue Infections in Uruguay

Table 1

Phenotypic and genotypic characteristics of CA-MRSA isolates recovered in Uruguay between 2004-2005. CP, capsular polysaccharide; i M L B , inducible macrolide-lincosamide-streptogramin B resistance; PVL, Panton-Valentine leukocidin.

GroupPFGE typeCP i M L S B PhenotypePVLNumber of strains

1A 8 + 6 2 ( a ) , ( b )
2A, A1, A2 8 + + 1 9
3A3 8 1
4B 8 + + 4 ( c )
5C 8 + 1
6D 8 + 1
7E N T + 1 ( d )
8F 5 1

Total90

( a ) Fifty-nine isolates showed positive result by colony immunoblot method with CP8 antibody and 3 strains showed positive result by PCR for the cp8 gene. ( b ) Twenty-three strains showed SCCmec type-IV. ( c ) All strains in this group showed SCCmec type-II. ( d ) Positive PCR amplification for the cp8 gene.