Atlas Two · Pathogen Atlas · 02-bacteria

Helicobacter pylori

Gram-negative microaerophilic spiral rod; colonises ~50% of humanity. IARC class I carcinogen. Causes peptic ulcers, gastric adenocarcinoma, and MALT lymphoma via urease, CagA T4SS injection, and VacA cytotoxin.

Also known as: H. pylori, Campylobacter pylori, HP, CagA+ H. pylori, pylori

02-bacteriaClass
draftStatus
2026-06-05Last Reviewed
This is an auto-generated stub page built from atlas entry frontmatter. A richer hand-crafted page is planned. See the atlas source for the full entry including detailed body sections.
helicobacter-pylori

Helicobacter pylori

Gram-negative microaerophilic spiral rod; colonises ~50% of humanity. IARC class I carcinogen. Causes peptic ulcers, gastric adenocarcinoma, and MALT lymphoma via urease, CagA T4SS injection, and VacA cytotoxin.