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Microbiology > Erysipelothrix > Flashcards

Erysipelothrix Flashcards

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Biology 101 flashcards
1
Q

What is the most important Erysipelothrix species?

A

Erysipelothrix rhusiopathiae

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2
Q

What does Erysipelothrix rhusiopathiae cause in swine in turkeys (general)?

A

erysipelas

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3
Q

What does Erysipelothrix rhusiopathiae cause in humans?

A

eysipeloid

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4
Q

On gram stain, what does Erysupelothrixlook like?

A

gram positive, decolorizes easily, slender rod

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5
Q

What does the Erysipelothrix culture look like?

A

tiny, alpha hemolytic, clear colonies

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6
Q

What tests are good for identifying Erysipelothrix?

A

catalase and Kligers

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7
Q

Is Erysipelothrix catalase positive or negative?

A

negative

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8
Q

How does Erysipelothrix respond in the Kliger’s test?

A

it is H2S positive

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9
Q

What is Erysipelothrix rhusiopathiae resistant to?

A

drying and meat curing, and resists phenol

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10
Q

How long does Erysipelothrix rhusiopathiae survive in soil?

A

many months

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11
Q

What is the natural habitat of Erysipelothrix rhusiopathiase?

A

tonsils and intestines of 50% of swine

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12
Q

How is Erysipelothrix rhusiopathiae excreted?

A

in feces and urine

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13
Q

What acid does Erysipelothrix rhusiopathiae have?

A

lipoteichoic acid

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14
Q

How does the acute form of erysipelas present in swine?

A

septicemia, high fever, lameness, and death

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15
Q

How does the skin form of erysipelas present in swine?

A

diamond skin disease - thrombosis of capillaries and venules

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16
Q

How does the chronic form of erysipelas present in swine?

A

endocarditis and arthritis

17
Q

What sex is erysipelas the most common in in turkeys?

A

males

18
Q

How does erysipelas present in turkeys?

A

septicemia and cyanosis

19
Q

How does erysipelas present in animals other than turkeys and swine?

A

septicemia, skin lesions, and lameness

20
Q

How does Erysipelothrix infect humans?

A

through wounds or by infected swine or pork

21
Q

Where do lesions from erysipeloid usually present?

A

on the hands and arms

22
Q

How long does it take for lesions from erysipeloid to resolve themselves?

A

3 weeks

23
Q

How do you diagnose erysipelas?

A

with culture and clinical signs

24
Q

How is immunity to erysipelas achieved?

A

getting infected gets you a one way ticket to lifelong immunity - after you recover that is

25
Q

Is there vaccination for erysipelas?

A

yessir, intramuscular and live oral

26
Q

How do you treat for erysipelas?

A

penicillin

Microbiology (50 decks)

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