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Table 1 Bacterial strains used in this study

From: Dissemination and genetic analysis of the stealthy vanB gene clusters of Enterococcus faecium clinical isolates in Japan

Strain/plasmid Species Source Date of Isolation (mo/yr) Hospital VRE
genotype
Multilocus sequence typing PFGE
types
MIC (mg/L)a
VAN TEC AMP GEN KAN STR CHL TET ERY CIP
M1 E. faecium feces 09/09 A VanB ST78 I-C 3 1 256 > 1024 > 1024 32 8 64 >256 64
M2 E. faecium feces 10/09 A VanB ST78 I-C 3 1 256 > 1024 > 1024 32 8 64 >256 64
M3 E. faecium feces 10/09 A VanB ST78 I-A 3 1 256 > 1024 > 1024 32 8 64 >256 32
M4 E. faecium feces 10/09 A VanB ST78 I-B 3 1 256 8 > 1024 32 8 64 >256 64
M5 E. faecium feces 10/09 A VanB ST78 III 3 1 128 8 128 256 8 64 >256 64
M6 E. faecium feces 10/09 A VanB ST78 II 3 1 256 8 > 1024 32 8 64 >256 64
M7 E. faecium feces 10/09 A VanB ST78 I-C 3 1 256 > 1024 > 1024 32 8 64 >256 64
M8 E. faecium feces 10/09 A VanB ST78 I-A 3 1 256 > 1024 > 1024 32 8 64 >256 64
M9 E. faecium feces 10/09 A VanB ST78 III 3 1 128 8 128 256 8 64 >256 64
M10 E. faecium feces 0/09 A VanB ST78 I-A 3 1 256 > 1024 > 102 32 8 64 >256 64
Y7 E. faecium feces 02/10 B VanB ST78 II 3 1 256 > 1024 > 1024 32 8 64 >256 64
Y8 E. faecium feces 02/10 B VanB ST78 II 3 1 256 > 1024 > 1024 32 8 64 >256 64
Y9 E. faecium feces 02/10 B VanB ST78 II 3 1 256 > 1024 > 1024 32 8 64 >256 64
Y10 E. faecium feces 02/10 B VanB ST78 II 3 1 256 > 1024 > 1024 32 8 64 >256 64
Y11 E. faecium feces 02/10 B VanB ST78 II 3 1 256 > 1024 > 1024 32 8 64 >256 64
Y12 E. faecium feces 02/10 B VanB ST78 II 3 1 128 > 1024 > 1024 32 8 64 >256 64
Y13 E. faecium feces 03/10 B VanB ST78 II 3 1 256 > 1024 > 1024 32 8 64 >256 64
Y14 E. faecium feces 03/10 B VanB ST78 II 3 1 256 > 1024 > 1024 32 8 64 >256 64
Y15 E. faecium feces 03/10 B VanB ST78 II 3 1 256 > 1024 > 1024 32 8 64 >256 64
FA2–2 E. faecalis 1 1 2 32 128 64 8 2 0.5 1
FA2–2/pMG2200 E. faecalis VanB 64 1 2 32 128 64 8 2 0.5 1
M1TCb E. faecalis VanB 3 1 2 > 1024 > 1024 64 8 64 0.5 1
Y1TCb E. faecalis VanB 3 1 2 > 1024 > 1024 64 8 64 0.5 1
BM4105RF E. faecium 1 1 3 8 > 1024 32 2 1 0.5 2
M1TC2c E. faecium VanB 3 1 3 > 1024 > 1024 32 2 128 0.5 2
Y7TC2c E. faecium VanB 3 1 3 > 1024 > 1024 32 2 128 0.5 2
  1. aVAN, vancomycin; TEC, teicoplanin; AMP, ampicillin; GEN, gentamicin; KAN, kanamycin; STR, streptomycin; CHL, chloramphenicol; TET, tetracycline; ERY, erythromycin; CIP, ciprofloxacin. bCorresponding transconjugants of FA2–2 obtained by filter mating with the donor M1 or Y7 strain, respectively. cCorresponding transconjugants of BM4105RF obtained by filter mating with the donor M1 or Y7 strain, respectively