Analysis of Correlation between the Seven Important Helicobacter pylori (H. pylori) Virulence Factors and Drug Resistance in Patients with Gastritis

Table 2

H. pylori virulence factor primer sequences used in the study.

Virulence factor	Primer name	Primer sequences (5–3)	Product size (bp)	Reference
ureA	ure A/F	TGATGGGACCAACTCGTAACCGT	244	[12]
	ure A/R	CGCAATGTCTAAGCGTTTGCCGAA
ureB	ure B/F	AGTAGCCCGGTGAACACAACATCCT	645	[12]
	ure B/R	ATGCCTTTGTCATAAGCCGCTTGG
napA	nap A/F	GAATGTGAAAGGCACCGATT	304	[12]
	nap A/R	ATCGTCCGCATAAGTTACGG
babA	bab A/F	AATCCAAAAAGGAGAAAAAGTATGAAA	832/601	[12]
	bab A/R	TGTTAGTGATTTCGGTGTAGGACA
dupA	dup A/F	TGAGCGTGGTAGCTCTTGAC	584	[12]
	dup A/R	GAGCGCGTTAGCGATATAGG
hpaA	hpa A/F	TAGTGGGATGCAGCCCGCATATTA	534	[12]
	hpa A/R	CGCTATGGCTTGAATGGGTGGTTT
oipA	oip A/F	CATTAAGCGGTGGTTTTGTG	1093	This study
	oip A/R	AGCCAACTAAAGAGCGGTAA
cagA	cagA/F	GTTGATAACGCTGTCGCTTC	350	[13]
	cagA/R	GGGTTGTATGATATTTTCCATAA
VacA s1/s2	VAI/F	ATGGAAATACAACAAACACAC	259/286	[14]
	VAI/R	CTGCTTGAATGCGCCAAAC
VacA m1/m2	VAG/F	CAATCTGTCCAATCAAGCGAG	567/642	[14]
	VAG/R	GCGTCAAAATAATTCCAAGG
16S rRNA	rRNA/F	TAAGAGATCAGCCTATGTCC	534	[15]
	rRNA/R	TCCCACGCTTTAAGCGCAAT