Flashcards in Listeria Deck (20):
What is Listeria's mode of pathogenicity?
Where do Listeria persist inside the body?
How is Listeria transmitted from cell to cell?
Where is Listeria found?
Ubiquitous in soil and carried in GI tract of mammals
What is Listeria motility?
What is the shape of Listeria
What environmental conditions is Listeria resistant to?
Cold and high temps and high salt concentrations
What is the most common source of listeriosis outbreaks for ruminants and humans, respectively?
Poor silage and food items
Which virulence factor aids in the movement of Listeria?
What virulence factors aid in adhesion?
InIA and InIB
What virulence factor assists in destroying the phagosome membrane?
Listeriolysis O (LLO)
What virulence factor assists with degradation of cytoplasmic and endocytic membranes?
What are the two modes of infection for ruminants?
Ingestion and inhalation
What are the three outcomes of a Listeria infection?
Encephalitis, abortion, septicemia
Circling disease and silage disease are common names of which Listeria infection?
Encephalitis is Ingestion or inhalation or entry via breaks in oral or nasal mucosa
What seasonality is associated with L. monocytogenes?
Winter-spring disease due to spoiled silage
Anorexia, depression, disorientation, walking in circles toward affected side, unilarteral facial nerve paralysis
Treatment of septicemic listeriosis
Penicillin, tetracycline, erythromycin, and trimethoprim/sulfonamide