Diversity of Helicobacter pylori isolates in expression of antigens and induction of antibodies

Table 1 Major information relative to PCR for amplifying 7 genes of H pylori

Target genes	Primer sequences (5’-3’)	Reference	Tm (°C)	Products (bp)
ureB	F: CGTCCGGCAATAGCTGCCATAGT	[18]	55	463
	R: GTAGGTCCTGCTACTGAAGCCTTA
hpaA	F: CTTTTAGGTGCGAGCGTGGTG	[19]	54	716
	R: AATTCCTTGGCGTCTTTTTGATAA
vacA	F: ATGGAAATACAACAAACACACCG	[20]	54	337
	R: CAACCTCCATCAATCTTACTGGA
CagA	F: ATAAGTCTAAATTAGACAACTTGAGCGA	[21]	56	297
	R: TTAGAATAATCAACAAAC ATCACGCCAT
napA	F: TGCGATCGTGTTGTTTATG	[22]	50	344
	R: GATCGTCCGCATAAGTTAC
flaA	F: GCTTTTTCAGGTCAATAC	[13]	52	524
	R: GTAGCGATACGAACCTGA
flaB	F: GATAAATACCAATATCGC	[13]	52	241
	R: CTCATCCATCGCTTTATC