TABLE 2.

MICs of E. faecium strains

StrainPresence of hylEfmMIC (μg/ml)aHLRb
AMPVANERYGENSTR
AYes41>512+
TX1330RFNo10.50.5
TX1330RF-A1Yes10.5>512+
BYes256512>512++
TX1330RF-B1Yes1128>512++
TX1330RF-B2Yes12560.25+
CYes128256>512++
D344SRFNo<0.252512+
D344SRF-C6Yes<0.252>512+
  • a AMP, ampicillin; VAN, vancomycin; ERY, erythromycin.

  • b GEN, gentamicin; STR, streptomycin; + or −, strain possesses or does not possess HLR, respectively.