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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Helicobacter. 2017 Apr 12;22(4):10.1111/hel.12386. doi: 10.1111/hel.12386

Table 2.

Virulence factors involved in acid tolerance

Virulence factors Role of virulence factors References
cagA cagA-negative strains were more resistant to low pH than cagA-positive strains.
Strains with 2 or less EPIYA-C repeats were more acid resistant
135
136, 138
dupA dupA-positive strains possess more acid resistant capability than dupA-negative strains 139141