Table 1.

Genetic characterization of H. pylori strains used in this study

H. pylori Strains	Inactivated Gene	Proposed Gene Function	References
Wild-type 7.13			11
ΔcagA	HP0547	CagA oncoprotein	20
Δcagζ	HP0520	Unknown	10
Δcagϵ	HP0521	Unknown	10
Δcagβ	HP0524	Nucleoside triphosphatase coupling protein	23
ΔcagZ	HP0526	cag-specific translocation factor	23
Δcagγ	HP0523	Peptidoglycan hydrolase	56, 58
Δslt	HP0645	Soluble lytic transglycosylase	7