TABLE 4.

Characterization of MRSA strains isolated from healthy children

Pulso- typeNo. of isolatesDistrictacoabSCCmec typePresence of exotoxin gene(s)cStrain chosenMLSTMIC (mg/liter)d
et alleletst-1lukS and lukFSTAllelic profileCCCZXOXAIMPTETNORERYGENTOBKAN
A17M12A2(IIb)bSD205-1891-26-28-18-18-33-5091>12840.130.52>128>128>128>128
A27M12A2(IIb)bSD036-1891-26-28-18-18-33-5091>128320.50.51>1286432>128
A32M12A2(IIb)bSD084-1891-26-28-18-18-33-5091641<0.060.52>128>12832>128
A41M12A2(IIb)bSD2:063-3891-26-28-18-18-33-5091>1286410.54>128>128>128>128
A51M12A2(IIb)bSD2:050-2891-26-28-18-18-33-5091>12880.250.54>128>12832>128
A61M12A2(IIb)SD007-1891-26-28-18-18-33-5091>128640.50.52>12832>128>128
B32S12B1(IVa)SG25891-26-28-18-18-33-50916440.250.220.56464>128
B21M12B1(IVa)bSD2:176-3911-26-28-18-18-54-5091>128160.130.540.564>128>128
B12K12B1(IVa)bW12911-26-28-18-18-54-5091>128160.130.251>12832128>128
E11S22A1(IIa)+SG144-151-4-1-4-12-1-105>128>1286464>128>12864128>128
F11M22A1(IIa)+SD183-151-4-1-4-12-1-105>128>128326464>12832>128>128
G21M22A1(IIa)+SD2:083-251-4-1-4-12-1-105>128>128320.5>128>1282>128>128
H11K22A1(IIa)+W14351-4-1-4-12-1-105>128320.50.251>1283232>128
H36M22A1(IIa)+SD370-151-4-1-4-12-1-105>128>12832864>12832>128>128
H21M22A1(IIa)+SD172-1901-4-1-4-42-1-105>128>128326432>1280.5>128>128
G13S22Bn(IVnt)SG167-251-4-1-4-12-1-10512820.130.521280.50.254
C11M32Bn(IVnt)SD179-18822-1-14-23-12-4-3178>128640.50.52>1283216>128
C23K32Bn(IVnt)aW178822-1-14-23-12-4-3178>12840.250.250.5>128328>128
D11S32Bn(IVnt)+SG20883-3-1-1-4-4-38>12880.250.510.250.25128128
D21S32Bn(IVnt)+SG143-183-3-1-1-4-4-38>128320.510.50.50.5>128>128
  • a The districts where the strains were isolated are designated as follows; M, Miyagi Prefecture; K, Kyoto Prefecture; S, Saga Prefecture.

  • b coa, coagulase type.

  • c The strains were tested for the carriage of exotoxin genes, eta, etb, etd, tst-1, and lukS and lukF.

  • d CZX, ceftizoxime; OXA, oxacillin; IMP, imipenem; TET, tetracycline; NOR, norfloxacin; ERY, erythromycin; GEN, gentamicin; TOB, tobramycin; KAN, kanamycin. Boldface indicates resistance.

  • e nt, nontypeable.