Table 2.
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 | 139–141 |