Table 1. Primers used in this study.

Gene name	Gene product		Primer sequence (5′-3′)
fbpA	FbpA	Forward	CCCATATGAGTGGTCGCATTATGAAGATCC
		Reverse	CCGGATCCTTAATTTTTTAACTCTAAAACGAGCT
hly	LLO	Forward	CCCATATGGATGCATCTGCATTCAATAAAG
		Reverse	CCGGATCCTTATTCGATTGGATTATCTACTT
plcA	PI-PLC	Forward	CCCATATGTTCCCATTAGGCGGAAAAGCATA
		Reverse	CCCTCGAGTTAGTTGAATTTATTGTTTTTTATGATG
iap	p60	Forward	CCCGAATTCATGAAAAAAAGCAACTATCGCGGC
		Reverse	CCCGTCGACTTATACGCGACCGAAGCCAAC
actA	ActA	Forward	CCCGAATTCGCGACAGATAGCGAAGATTC
		Reverse	CGGCACGAGCGAAGCATTTACCTCTTCAC

Underlines indicate restriction enzyme recognition sites.