Table 2.
Phenotypic manifestation and genes encoding the MLSB resistance as well as the methicillin resistance in tested isolates belonging to the species: S. epidermidis, S. hominis, S. haemolyticus, S. warneri and S. simulans
| Resistance genes | Phenotype (No. of isolates) | No. of isolates/No. of isolates with mecA gene | ||||
|---|---|---|---|---|---|---|
| S. epidermidis | S. hominis | S. haemolyticus | S. warneri | S. simulans | ||
| erm(A) | cMLSB(1) | 1/1 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| erm(C) | cMLSB(20) | 6/6 | 8/8 | 1/1 | 5/3a | |
| iMLSB(3) | 1/1 | 1/1 | 1/0 | |||
| MSB(3) | 3/3 | |||||
| erm(A),erm(C) | cMLSB(2) | 2/2 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| erm(C),msr(A) | cMLSB(2) | 1/0 | 1/1 | |||
| iMLSB(2) | 1/1 | 1/1a | ||||
| MSB(0) | ||||||
| erm(C),msr(A),msr(B) | cMLSB(1) | 1/1 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| erm(C),msr(A),mph(C) | cMLSB(2) | 2/2 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| erm(C),mph(C) | cMLSB(1) | 1/1 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| erm(C),lnu(A) | cMLSB(1) | 1/1 | ||||
| iMLSB(1) | 1/1 | |||||
| MSB(0) | ||||||
| erm(C),msr(A),lnu(A) | cMLSB(1) | 1/1 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| erm(C),msr(A),msr(B),lnu(A) | cMLSB(1) | 1/1 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| erm(C),msr(A),mph(C),lnu(A) | cMLSB(2) | 1/1 | 1/1 | |||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| erm(C),msr(A),msr(B),mph(C) | kMLSB(7) | 1/1 | 6/6 | |||
| iMLSB(1) | 1/1 | |||||
| MSB(0) | ||||||
| erm(C),msr(B),mph(C) | cMLSB(1) | 1/1 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| erm(A),msr(B),mph(C) | cMLSB(1) | 1/1 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| msr(A) | cMLSB(2) | 2/1 | ||||
| iMLSB(1) | 1/0 | |||||
| MSB(0) | ||||||
| msr(A),msr(B) | cMLSB(0) | |||||
| iMLSB(0) | ||||||
| MSB(2) | 2/0 | |||||
| msr(A),msr(B),mph(C) | cMLSB(3) | 3/2 | ||||
| iMLSB(0) | ||||||
| MSB(8) | 2/2 | 3/2 | 3/2a | |||
| msr(A),msr(B),mph(C),lnu(A) | cMLSB(1) | |||||
| iMLSB(0) | ||||||
| MSB(1) | 1/1 | |||||
| msr(A),mph(C) | cMLSB(2) | 2/2a | ||||
| iMLSB(1) | 1/1 | |||||
| MSB(1) | 1/0 | |||||
| mph(C),lnu(A) | cMLSB(1) | 1/1 | ||||
| iMLSB(0) | ||||||
| MSB(0) | ||||||
| mph(C) | cMLSB(0) | |||||
| iMLSB(0) | ||||||
| MSB(2) | 1/1a | 1/0 | ||||
aisolates harbor the mecA gene without phenotypic resistance (S. haemolyticus: one isolate with msr(A),mph(C) and one isolate with mph(C); S. warneri: one isolate with msr(A),msr(B),mph(C); S. simulans: two isolates with erm(c) and one isolates with erm(C),msr(A))