TABLE 1.

MRSA isolate characteristics

Strain designationMIC (μg/ml)a of:MprF amino acid substitution
DaptomycinVancomycin
A80900.51
A809428None
A62240.52
A622628None
A630012
A629824None
A87960.5-11
A87992-42S337L
  • a Daptomycin MICs determined by using cation-adjusted Mueller-Hinton II broth supplemented with calcium to a concentration of 50 μg/ml are from reference 11, except those for S. aureus A8796 and S. aureus A8799, which are reported in reference 6. Vancomycin MICs determined by agar dilution are from reference 11, except those for S. aureus A8796 and S. aureus A8799, which were determined in this study.