Table 1. Primers for virulence genes and stress response genes used in this study.

Genes	Accession number	Primers	Sequence
cadF	U87559.1	Forward	5′- TAT GGT GTA GAA AAA AGT CGC ATC A-3′
		Reverse	5′- ATC CGC TCT ACC TTC TTT AGT GTC A-3′
cdtB	CP008787.1	Forward	5′- AAT GCA AGC TGA AGA AGT GAT TGT-3′
		Reverse	5′- AGC ATC ATT TCC ATT GCG AAT-3′
ciaB	AF114831.1	Forward	5′- CAA CTT TAT ATT TGC ACT CCG ATG-3′
		Reverse	5′- GGA ACG ACT TGA GCT GAG AAT AAA C-3′
clpP	CP008787.1	Forward	5′- TGG GAG CAT TTT TGC TTA GTT G-3′
		Reverse	5′- CTC CAC CTA AAG GTT GAT GAA TCA T-3′
htrB	AL111168.1	Forward	5′- CGC ACC CAA TTT GAC ATA GAA C-3′
		Reverse	5′- TTT TTA GAG CGC TTA GCA TTT GTC T-3′