Table 1.
Molecular characteristics of methicillin-resistant Staphylococcus aureus (MRSA) strains used in this study (isolated in 2016).
| SCCmec type | Clone type | Number of strains | Adherence gene | Virulence gene | |||||
|---|---|---|---|---|---|---|---|---|---|
| arcA | cna | fnbB | fnbA, fib, clfA, clfB, eno, and ebpS | bbp | lukSF-PV | tst | |||
| II | N315a | Reference | – | – | – | + | – | – | + |
| A | 7 | – | – | – | + | – | – | +/- | |
| B | 2 | + | – | – | + | – | – | – | |
| IV | C | 8 | – | – | + | + | – | – | +/- |
| D | 7 | – | + | – | + | – | – | – | |
| E | 3 | + | – | + | + | – | + | – | |
| BAA-1556b | Reference | + | – | + | + | – | + | – | |
a
This strain is the New York/Japan clone known as hospital-associated MRSA and is used as a reference strain of SCCmec type II.
b
This strain is the USA300 clone known as community-associated MRSA and is used as a reference strain of SCCmec type IV.