Listeria Flashcards
1
Q
Common Characteristics (4)
A
Gram-positive bacilli
Intracellular parasite
Catalase positive
Tumbling motility in Liquid medium
2
Q
Widespread among?
A
Animals especially Farm animals and Poultry
3
Q
Pathogenesis (2)
A
1- Attached and enters mammalian cells by Phagocytosis
2- Membrane-damaging toxin called Listeriolysin
4
Q
Listeriosis (2)
A
Meningitis
Transmitted from mother to new-born causing meningitis or in-utero causing abortion
5
Q
Treatment (2)
A
Ampicillin
Trimethoprim-sulfamethoxazole
6
Q
Prevention (2)
A
No vaccination
Proper food preparation and handling
7
Q
Laboratory Identification (3)
A
B-haemolysis
Catalase positive
Tumbling motility
