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. 2019 Jun 10;19:124. doi: 10.1186/s12866-019-1496-5

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))