Table 1.

Characteristics of glycopetide-resistant genes in Enterococci.

Characteristics	vanA	vanB	vanC	vanD	vanE	vanG	vanL	vanM	vanN
Enterococcus species	E. faecium; E. faecalis	E. faecium; E. faecalis	E. gallinarum, E. casseliflavus, E. flavescens	E. faecium	E. faecalis	E. faecalis	E. faecalis	E. faecium	E. faecium
Vancomycin MIC (μg/mL)	64–1024	4–1024	2–32	16–64	16–32	16–32	8	>256	16
Teicoplanin MIC (μg/mL)	16–512	< 1	< 1	2–16	< 0.5	< 0.5	< 0.5	96	0.5
Genetic determinant	acquired	acquired	intrinsic	acquired	acquired	acquired	acquired	acquired	acquired
transferable	Yes	Yes	No	No	No	No	No	Yes	Yes
New precursor of ligase	D-ala-D-lac	D-ala-D-lac	D-ala-D-ser	D-ala-D-lac	D-ala-D-ser	D-ala-D-ser	D-ala-D-ser	D-ala-D-lac	D-ala-D-ser
Expression	Inducible	Inducible	constitutive	constitutive	Constitutive or inducible	Constitutive or inducible	Constitutive or inducible	Inducible	constitutive