Table 1. Primer sequences and reaction conditions for the detection of enterotoxin gens

Target gene	Primers	Products size(bp)	Sequence (5’-3’)	Reference
hblA	FhblARhblA	884	GCA AAA TCT ATG AAT GCC TAGCA TCT GTT CGT AAT GTT TT	(30)
hblC	FhblCRhblC	695	CCT ATC AAT ACT CTC GCA ATTT CCT TTG TTA TAC GCT GC
hblD	FhblDRhblD	1018	GAA ACA GGG TCT CAT ATT CTCTG CAT CTT TAT GAA TAT CA
nheA	NA-F1NA-R1	475	ATT ACA GGG TTA TTG GTT ACA GCA GTAAT CTT GCT CCA TACT CT CTT GGA TGC T	(31)
nheB	NB-F1NB-R1	328	GTA CAG CAG CTG TAG GCG GTATG TTT TTC CAG CTA TCT TTC GCA AT
nheC	NC-F1NC-R2	557	GCG GAT ATT GTA AAG AAT CAA AAT GAG GTTTT CCA GCT ATC TTT CGC TGT ATG TAA AT
entFM	ENTFMFENTFMR	596	AAA GAA ATT AAT GGA CAA ACT CAA ACT CAGTA TGT AGC TGG GCC TGT ACG T	(32)