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Bacteriology & Mycology > Trueperella pyogenes > Flashcards

Trueperella pyogenes Flashcards

1
Q

what is the formal name of Trueperella pyogenes

A

C. pyogenes

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2
Q

what type of bacteria is T. pyogenes

A

gram + rods

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3
Q

True or False:

Trueperella pyogenes are non-spore forming and motile

A

FALSE
They are non-spore forming and NON-motile

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4
Q

what is a defining characteristic of Trueperella pyogenes

A

pus forming

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5
Q

what is the most common clinical sign of a T. pyogenes infection

A

abscesses

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6
Q

where do Trueperella pyogenes inhabit

A

respiratory tract
GI tract
genital tract

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7
Q

True or False:

They are a common opportunistic pathogen

A

true

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8
Q

what are the characteristics of a bacterial culture of Trueperella pyogenes on BA

A

small pinpoint colonies

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9
Q

what are the virulent factors of T. pyogenes

A
  1. Hemolysin
  2. Neuramindase
    3.Exoenzymes
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10
Q

what is the main hemolysin present with T. pyogenes

A

Pylolysin O (PLO)

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11
Q

what is considered to be both a major virulence factor of T. pyogenes and host protective antigen

A

Pyolysin (PLO)

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12
Q

how does Trueperella pyogene gain entry

A

some injury / skin opening

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13
Q

what are some common consequences of Trueperella pyogenes

A

-Abortion
-Abscesses

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14
Q

what does T. pyogenes cause in cows and heifers

A

summer mastitis

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15
Q

what internal issue can T. pyogenes cause in cattle

A

liver abscesses

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16
Q

what is the effect of Trueperella pyogenes in swine

A

septic arthritis

17
Q

how can T. pyogenes spread in pig herds

A

tail biting

18
Q

what is a secondary pathogen caused by Trueperella pyogenes in sheep and cattle

A

foot rot

19
Q

what is Hardware Disease

A

traumatic reticulitis caused by T. pyogenes

20
Q

what is used to diagnose T. pyogenes

A
  • gram stain of pus / fluid
  • bacterial culture
21
Q

what is used to treat T. pyogenes

A

antibiotics
-penicillin
-ampicillin
-erythromycin
-sulfamethazine
-tetracyclines

22
Q

what is sometimes an issue when using antibiotics to treat T. pyogenes

A

capsulation of bacteria leads to poor antibiotic response

23
Q

True or False:

T. pyogenes is part of the normal flora

A

true

24
Q

what is the main virulence factor

A

hemolysin Pyolysin

25
Q

what are the main diseases caused by Trueperella pyogenes

A
  1. Liver abscesses in cattle
  2. summer mastitis in cows
  3. septic arthritis in pigs

Bacteriology & Mycology (15 decks)

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