Listeria Flashcards

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1
Q

Common Characteristics (4)

A

Gram-positive bacilli

Intracellular parasite

Catalase positive

Tumbling motility in Liquid medium

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2
Q

Widespread among?

A

Animals especially Farm animals and Poultry

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3
Q

Pathogenesis (2)

A

1- Attached and enters mammalian cells by Phagocytosis

2- Membrane-damaging toxin called Listeriolysin

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4
Q

Listeriosis (2)

A

Meningitis

Transmitted from mother to new-born causing meningitis or in-utero causing abortion

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5
Q

Treatment (2)

A

Ampicillin

Trimethoprim-sulfamethoxazole

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6
Q

Prevention (2)

A

No vaccination

Proper food preparation and handling

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7
Q

Laboratory Identification (3)

A

B-haemolysis

Catalase positive

Tumbling motility

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