Table 1.

S. aureus strains used in this studya

StrainCharacteristic(s)Source
ATCC 25923MSSA clinical isolateATCC
ATCC BAA-40MRSA clinical isolate; nasal passageATCC
Superficial
    MRSA-105MRSA; PVL+ ACME+ bsaB+ Agr1SLCH
    MRSA-106MRSA; PVL+ ACME+ bsaB+ Agr1SLCH
    MRSA-107MRSA; PVL+ ACME+ bsaB+ Agr1SLCH
    MRSA-108MRSA; PVL+ ACME bsaA+ Agr1SLCH
    MSSA-109MSSA; PVL+ ACME bsaB+ Agr1SLCH
    MRSA-111MRSA; PVL+ ACME+ bsaB+ Agr1SLCH
    MRSA-148MRSA; PVL+ ACME+ bsaB+ Agr1SLCH
    MRSA-158MRSA; PVL+ ACME+ bsaB+ Agr1SLCH
    MSSA-175MSSA; PVL+ ACME bsaB+ Agr1SLCH
    MRSA-295MRSA; PVL ACME bsaB+ Agr1SLCH
Invasive
    MRSA-186MRSA; PVL+ ACME bsaA+ Agr1SLCH
    MRSA-194MRSA; PVL+ ACME+ bsaB+ Agr1SLCH
  • a Strains used in this study included methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-susceptible Staphylococcus aureus (MSSA). Genotype information available for each clinical isolate included Panton-Valentine leukocidin (PVL), arginine catabolic mobile element (ACME), biosynthesis pathway (bsaB), and accessory gene regulator (Agr). Sources: American Type Culture Collection (ATCC) and St. Louis Children's Hospital (SLCH).