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PetriKey

Bacterium

Campylobacter jejuni

Curved motile Gram-negative rod

KAM-pih-loh-bak-ter juh-JOO-nee

Gram negativebacteriagram-negativecurvedmotilefoodborne

High-yield clue

Curved or gull-wing Gram-negative rod + motility vocabulary.

Overview

A curved Gram-negative rod used in coursework for foodborne exposure vocabulary, motility, and gull-wing morphology cues.

Classification

  • Gram-negative
  • Curved rod
  • Microaerophile concept

Lab & identification clues

  • Curved morphology
  • Motility vocabulary
  • Microaerophilic growth concept without protocol details

Associations

  • Foodborne diarrhea vocabulary
  • Poultry exposure teaching clue
  • Guillain-Barre association vocabulary

Commonly confused with

  • Vibrio cholerae
  • Helicobacter pylori
  • Salmonella enterica

Frequently asked questions

What is Campylobacter jejuni?

A curved Gram-negative rod used in coursework for foodborne exposure vocabulary, motility, and gull-wing morphology cues.

What is the Gram stain of Campylobacter jejuni?

Campylobacter jejuni is Gram negative.

What are the lab clues for Campylobacter jejuni?

Lab clues for Campylobacter jejuni include Curved morphology, Motility vocabulary, and Microaerophilic growth concept without protocol details.

What is Campylobacter jejuni commonly confused with?

Campylobacter jejuni is commonly confused with Vibrio cholerae, Helicobacter pylori, and Salmonella enterica.

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.

OpenStax: Microbiology 2e organism classification foundations - sourceNCBI Bookshelf: Medical Microbiology organism chapters - sourceCDC: CDC disease and public-health topic pages - source