Bacterium
Listeria monocytogenes
Tumbling motility Gram-positive rod
lis-TEER-ee-uh mon-oh-sy-TAH-jeh-neez
High-yield clue
Gram-positive rod + tumbling motility + intracellular actin-tail vocabulary.
Overview
A Gram-positive rod used in coursework for intracellular movement vocabulary, tumbling motility, and foodborne exposure associations.
Classification
- Gram-positive
- Rod
- Facultative intracellular concept
Lab & identification clues
- Tumbling motility vocabulary
- Narrow beta-hemolysis teaching clue
- Intracellular movement concept
Associations
- Foodborne exposure vocabulary
- Pregnancy/neonatal coursework association
- Cell-mediated immunity concept
Commonly confused with
- Corynebacterium diphtheriae
- Streptococcus agalactiae
Frequently asked questions
What is Listeria monocytogenes?
A Gram-positive rod used in coursework for intracellular movement vocabulary, tumbling motility, and foodborne exposure associations.
What is the Gram stain of Listeria monocytogenes?
Listeria monocytogenes is Gram positive.
What are the lab clues for Listeria monocytogenes?
Lab clues for Listeria monocytogenes include Tumbling motility vocabulary, Narrow beta-hemolysis teaching clue, and Intracellular movement concept.
What is Listeria monocytogenes commonly confused with?
Listeria monocytogenes is commonly confused with Corynebacterium diphtheriae and Streptococcus agalactiae.
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.