Table 1. Primers used for PCR amplification of virulence genes from Listeria monocytogenes

Primer	Size (bp)	Sequence (5′ to 3′)	Reference
inlA	255	For: CCTAGCAGGTCTAACCGCAC	Khelef et al., 2006
inlA	255	Rev: TCGCTAATTTGGTTATGCCC	Khelef et al., 2006
inlB	146	For: AAAGCACGATTTCATGGGAG	Yong et al., 2003
inlB	146	Rev: ACATAGCCTTGTTTGGTCGG	Yong et al., 2003
hlyA	174	For: GCATCTGCATTCAATAAAGA	Riedo et al., 1994
hlyA	174	Rev: TGTCACTGCATCTCCGTGGT	Riedo et al., 1994
actA	385	For: GACGAAAATCCCGAAGTGAA	Gianfranceschi et al., 1998
actA	385	Rev: CTAGCGAAGGTGCTGTTTCC	Gianfranceschi et al., 1998
plcB	261	For: GGGAAATTTGACACAGCGTT	Winters et al., 1999
plcB	261	Rev: ATTTTCGGGTAGTCCGCTTT	Winters et al., 1999