Listeria monocytogenes Flashcards

1
Q

What type of hemolysis is this

A

beta

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2
Q

grows in

A

cold environments

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3
Q

ornaments tumbling down tree mean

A

Tumbling motility characteristics

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4
Q

the cat by fireplace means

A

it produces catalase

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5
Q

Can form

the rocket on the floor

A

actin in host cells

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6
Q

what do the actin facilitate

A

intracellular movement and cell-to-cell spread

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7
Q

what type of pathogen is this bacteria

A

facultative intracellular

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8
Q

outbreaks frequently associated with

A

consumption of diary products

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9
Q

who are significantly susceptible

A

pregnant women

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10
Q

what are the three diseases from this bacteria

A

gastroenteritis
neonatal meningitis
meningitis in adults

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11
Q

what is gastroenteritis

A

infection of healthy adult

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12
Q

early-onset is

A

acquired transplacentally and can result in abortion

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13
Q

meningitis in adults is a

A

disseminated infection

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13
Q

late-onset is

A

acquired at or soon after birth

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14
Q

what is the treatment

A

ampicillin

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15
Q

phagocytosis through

A

internalins A and B with host E-cadherin

16
Q

what lyse listeria-containing phagosome?

A

LLO (listeriolysin O) and phospholipase at lower PH

17
Q

ActA induces

A

host cell actin polymerization and infect adjacent cells