Listeria Monocytogenes-Santa's List Flashcards
What is the result of gram stain with Listeria Monocytogenes
Gram positive
What is the result of plating Listeria Monocytogenes on blood agar plates
Beta hemolytic
What are the charactertics of Listeria Monocytogenes with regards to motility
- Motile and facultative intracellular actin rocket
- Tumbling motility with flagella Extracellular
How does Listeria Monocytogenes move in the cell
Via rapid polymerization of actin intracellularly, leading to the “actin rocket”
What is the state of catalase in Listeria Monocytogenes
Catalase positive
What is unique about Listeria Monocytogenes with regards to temperature and where is can be located
Can thrive in near freezing temperature, so it can affect foods even if they are refrigerated
Which foods are commonly seen to have Listeria Monocytogenes
Milk, cheese
Which group of people are more likely to acquire Listeria Monocytogenes
Pregnant women
What is the result of a pregnant women acquiring Listeria Monocytogenes during the early stages of pregnancy
Early termination or disease
What is the disease seen in newborns if the pregnant mother is infected with Listeria Monocytogenes
Meningitis in newborns
What is the treatment for Listeria Monocytogenes
Ampicillin (especially over 60) and vancomycin or other classic antibacterial
