Figure 2. A) PCR with specific primers for class B mec complex (1.3 kb) and type 2 ccr complex (1.0 kb) identifies isolates containing Staphylococcus cassette chromosome (SCC) mec type IV: lanes 1, 2, and 4–7. B) When control strains are used, PCR identifies SCCmec type II in isolate 3.
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