This week weāre covering an aerobic non spore-forming Gram-positive rod...
š Listeria monocytogenes
š§ Key Identification Clues:
⢠Small Gram-positive rods
⢠Nonāspore-forming
⢠Tumbling motility
⢠Beta-hemolytic
⢠Facultative intracellular organism
š¬ What makes it unique?
š Can grow in cold temperatures (ācold enrichmentā)
š Shows characteristic tumbling motility
ā ļø High-Yield Clinical Associations:
⢠Neonatal meningitis
⢠Pregnant women
⢠Immunocompromised patients
⢠Contaminated deli meats/unpasteurized dairy
š§ Think Pattern:
š āPregnancy + tumbling motility + cold growth = Listeriaā
š This organism LOVES showing up on exams š