Table 1. Primers and amplification conditions for PCR assay.

Target gene	Primer pair sequences 5'→3'	PCR product (bp)	PCR condition	Reference
ddlE.faecalis	ATCAAGTACAGTTAGTCT	941	94℃ 60 s, 54℃ 60 s	[9]
	ACGATTCAAAGCTAACTG		72℃ 60 s, 30 cycles
vanA	CATGAATAGAATAAAAGTTGCAATA	1,030	94℃ 60 s, 54℃ 60 s	[15]
	CCCCTTTAACGCTAATACGATCAA		72℃ for 60 s, 30 cycle
vanB	GTGACAAACCGGAGGCGAGGA	433
	CCGCCATCCTCCTGCAAAAAA
esp	AGATTTCATCTTTGATTCTTGG	510	94℃ 60 s, 56℃ 60 s	[16]
	AATTGATTCTTTAGCATCTGG		72℃ 60 s, 30 cycles
cyl	ACTCGGGGATTGATAGGC	688
	GCTGCTAAAGCTGCGCTT
gelE	TATGACAATGCTTTTTGGGAT	213
	AGATGCACCCGAAATAATATA

PCR, polymerase chain reaction; bp, base pair