PetriKey

Bacterium

Bordetella pertussis

Small respiratory coccobacillus with toxin vocabulary

bor-duh-TEL-uh per-TUSS-is

Gram negativebacteriagram-negativecoccobacillusrespiratorytoxinvaccine

High-yield clue

Paroxysmal cough coursework clue + pertussis toxin and tracheal cytotoxin vocabulary.

Overview

A small Gram-negative coccobacillus used to teach pertussis toxin vocabulary, ciliated respiratory epithelium concepts, and vaccine-prevention framing.

Classification

  • Gram-negative
  • Coccobacillus
  • Strict aerobe concept

Lab & identification clues

  • PCR vocabulary
  • Special media terms to recognize
  • Respiratory epithelial association

Associations

  • Whooping cough vocabulary
  • Acellular vaccine concept
  • Toxin mechanism drills

Commonly confused with

  • Haemophilus influenzae
  • Mycoplasma pneumoniae
  • Respiratory syncytial virus

Your notes

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 foundationssourceNCBI Bookshelf: Medical Microbiology organism chapterssourceCDC: CDC disease and public-health topic pagessource