SCCmec types identified in S. aureus

SCCmec typeccr gene complexamec gene complex
I1 (A1B1)B
II2 (A2B2)A
III3 (A3B3)A
IV2 (A2B2)B
V5 (C)C2
VI4 (A4B4)B
VII5 (C)C1
VIII4 (A4B4)bA
  • a ccr genes in the gene complex are indicated in parentheses.

  • b ccrA4B4 genes found in type VIII SCCmec were nearly identical to those in the S. epidermidis SCC-CI element and showed nucleotide identities of 89.6% and 94.5% to those found in type VI SCCmec.