Table 1.
Detection of mecA segments and SCCmec typing results of CoNS isolates
| Character of SCCmec | Source | Species | mecA PCR | mecA class | ccr type | SCCmec type | No. of isolate | Example isolate |
|---|---|---|---|---|---|---|---|---|
| Previously identified single SCCmec type | Clinic | S. homi | + | A | 4 | VIII | 3 | H80, H86 |
| + | A | 2 | II | 1 | H59 | |||
| S. epid | + | A | 3 | III | 4 | H8 | ||
| + | B | 2 | IV | 3 | H67, H11 | |||
| + | C2 | 5 | V | 2 | H81 | |||
| + | A | 2 | II | 1 | ||||
| S. haem | + | C2 | 1 | IX | 1 | |||
| S. capi | + | A | 3 | III | 3 | H4 | ||
| + | C2 | 5 | V | 5 | H7, H26, H54, H60, H85 | |||
| Total number | 23 | |||||||
| Community | S. epid | + | A | 2 | II | 6 | ||
| Total number | 6 | |||||||
| New identified single SCCmec type | Clinic | S. homi | + | A | 1 | New | 3 | H29, H34 |
| S. haem | + | C1 | 4 | New | 5 | H2 | ||
| + | C1 | 2 | New | 1 | ||||
| Total number | 9 | |||||||
| Community | S. haem | + | C1 | 2 | New | 1 | CJ31-1 | |
| Total number | 1 | |||||||
| New type with a single mecA class and multi ccr complexes | Clinic | S. homi | + | A | 1, 4 | New | 2 | H1 |
| + | A | 1, 2 | New | 1 | H73 | |||
| + | A | 2, 4 | New | 2 | ||||
| + | A | 3, 4 | New | 1 | HA1 | |||
| + | A | 1, 4, 5 | New | 2 | H6 | |||
| + | A | 1, 3, 4, 5 | New | 1 | ||||
| S. epid | + | A | 1, 3 | New | 5 | H22 | ||
| + | A | 1, 3, 4 | New | 2 | H21 | |||
| + | A | 3, 4, 5 | New | 1 | H92 | |||
| + | C2 | 4, 5 | New | 1 | H76 | |||
| + | C2 | 1, 2, 5 | New | 1 | ||||
| + | B | 2, 4 | New | 3 | H24, H77 | |||
| S. haem | + | A | 1, 2, 4 | New | 1 | |||
| + | C2 | 2, 4 | New | 1 | H28 | |||
| + | C2 | 4, 5 | New | 1 | H68 | |||
| + | C2 | 1, 4 | New | 2 | H15, H36 | |||
| S. capit | + | A | 3, 4 | New | 1 | H23 | ||
| + | A | 1, 2, 4, 5 | New | 1 | H37 | |||
| + | A | 1, 2, 3, 5 | New | 1 | H83 | |||
| + | A | 1, 2, 3, 4, 5 | New | 1 | H72 | |||
| + | C2 | 2, 4, 5 | New | 1 | H78 | |||
| + | C2 | 1, 2, 4, 5 | New | 1 | ||||
| Total number | 33 | |||||||
| New type with a single mecA class and multi ccr complexes | Community | S. epid | + | A | 2, 4 | New | 1 | |
| + | A | 2, 4, 5 | New | 1 | ||||
| + | B | 1, 2 | New | 3 | ||||
| + | B | 2, 4 | New | 1 | ||||
| Total number | 6 | |||||||
| New type with multi SCCmec | Clinic | S. homi | + | A, C2 | 1, 4, 5 | New | 1 | |
| + | A, C2 | 1, 2, 4, 5 | New | 2 | H33-2 | |||
| + | A, C2 | 1, 2, 3, 4, 5 | New | 1 | H62 | |||
| S.epid | + | A, B | 2, 4, 5 | New | 1 | |||
| + | A, B | 2, 3, 5 | New | 1 | ||||
| + | A, B | 2, 3, 4, 5 | New | 1 | H30 | |||
| + | A, B | 1, 2, 3, 4, 5 | New | 1 | ||||
| + | A, C2 | 1, 5 | New | 1 | ||||
| + | A, C2 | 2, 4, 5 | New | 1 | H87 | |||
| + | A, C2 | 1, 2, 3, 4, 5 | New | 1 | H57 | |||
| S. haem | + | A, B | 1, 2, 3, 4 | New | 1 | HA11 | ||
| S.capit | + | A, C2 | 1, 2, 4, 5 | New | 1 | H14 | ||
| Total number | 13 | |||||||
| Community | S. homi | + | A, B | 2 | New | 1 | ||
| + | A, B | 1 | New | 1 | CV34 | |||
| + | A, B | 2, 4 | New | 1 | C3-1 | |||
| S. epid | + | A, B | 1, 2 | New | 1 | |||
| + | A, C2 | 2, 5 | New | 1 | ||||
| Total number | 5 | |||||||
| Isolates without mecA detected | Community | S. homi | − | − | 2 | N | 2 | C13-2 |
| S. epid | − | − | 2 | N | 15 | C5-1, CJ29 | ||
| − | − | 1, 2 | N | 1 | ||||
| − | − | 2, 5 | N | 2 | ||||
| − | − | 5 | N | 2 | CJ28-3 | |||
| − | − | 2, 4 | N | 1 | CV33-1 | |||
| − | − | – | N | 5 | ||||
| S. haem | − | − | 2, 4 | N | 1 | |||
| Total number | 29 | |||||||
S. homi, S. hominis; S. epid, S. epidermidis; S. haem, S. haemolyticus; S.capit, S. capitis, −, mecA negative; N, not available