TABLE 2.

Nucleotide changes^a in vanS of chicken and human VRE isolates

VRE (no. of isolates sequenced)	Source	Teicoplanin MIC (μg/ml) (interpretationb)	Phenotype	Genotype	No. of isolates for which vanZ was sequencedc	Change at nucleotide:
						4796 (T→G)	4808 (G→C)	4855 (A→T)
E. faecalis (19)	Chicken	0.75–8 (S)	VanB	vanA	7	Yes	Yes	Yes
E. faecium (11)	Chicken	0.25–1.0 (S)	VanB	vanA	3	Yes	Yes	Yes
E. faecalis (4)	Human	2–8 (S)	VanB	vanA	4	Yes	Yes	Yes
E. faecalis (1)	Human	12 (I)	VanB?	vanA	1	Yes	Yes	Yes
E. faecalis (2)	Human	12 (I)	VanB?	vanA	2	Yes	No	Yes
E. faecium (7)	Human	24 (R)	VanA	vanA	7	No	No	No

^aAs reported by Hashimoto et al. (15).

^bSee Table 1 footnote a.

^cvanZ sequences of these isolates were all identical to the vanZ of Tn1546.