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Table 1 Prevalences of resistance markers and virulence-associated genes

From: Characterisation of MRSA strains isolated from patients in a hospital in Riyadh, Kingdom of Saudi Arabia

Marker Number of positive isolates Percent of positive isolates Marker Number of positive isolates Percent of positive isolates
mecA 107 100.00 lukF-PV + lukS-PV 58 54.21
SCCmec I, SCCmec II 0 0.00 tst1 8 7.48
SCCmec III 22 20.56 sea 9 8.41
SCCmec IV 76 71.03 sea-N315 5 4.67
SCCmec IV/SCCfus (CC1) 1 0.93 seb 2 1.87
SCCmec IV/SCCfus (CC5) 3 2.80 sec + sel 3 2.80
SCCmec V 4 3.74 sed 2 1.87
atypical SCCmec (ST834) 1 0.93 see 0 0.00
merA + merB 14 13.08 egc 54 50.47
blaZ 100 93.46 seh 1 0.93
erm(A) 21 19.63 sej + ser 3 2.80
erm(C) 30 28.04 sek + seq 24 22.43
msr(A) 9 8.41 ORF CM14 1 0.93
mph(C) 7 6.54 etA, etB, edinC 0 0.00
aacA-aphD 37 34.58 etD 21 19.63
aadD 8 7.48 edinA 1 0.93
aphA3 + sat 38 35.51 edinB 21 19.63
dfrA 28 26.17 ACME 0 0.00
far1 17 15.89 sak 103 96.26
Q6GD50 (fusC) 7 6.54 chp 70 65.42
tet(K) 11 10.28 scn 104 97.20
tet(M) 22 20.56 agr group I 58 54.21
cat 1 0.93 agr group II 10 9.35
qacA 20 18.69 agr group III 38 35.51
mupA, ermB, cfr, fexA, vanA 0 0.00 agr group IV 1 0.93