Bacterium
Helicobacter pylori
Curved urease-positive gastric rod
HEL-ih-koh-bak-ter pie-LOR-ee
High-yield clue
Curved rod + urease positive + gastric mucosa clue.
Overview
A curved Gram-negative rod used to connect urease positivity, gastric mucosa vocabulary, and ulcer/cancer association concepts.
Classification
- Gram-negative
- Curved rod
- Microaerophile concept
Lab & identification clues
- Urease test vocabulary
- Stool antigen/urea breath test terms
- Curved morphology
Associations
- Gastritis vocabulary
- Peptic ulcer coursework association
- MALT lymphoma/cancer association vocabulary
Commonly confused with
- Campylobacter jejuni
- Vibrio cholerae
Frequently asked questions
What is Helicobacter pylori?
A curved Gram-negative rod used to connect urease positivity, gastric mucosa vocabulary, and ulcer/cancer association concepts.
What is the Gram stain of Helicobacter pylori?
Helicobacter pylori is Gram negative.
What are the lab clues for Helicobacter pylori?
Lab clues for Helicobacter pylori include Urease test vocabulary, Stool antigen/urea breath test terms, and Curved morphology.
What is Helicobacter pylori commonly confused with?
Helicobacter pylori is commonly confused with Campylobacter jejuni and Vibrio cholerae.
Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.