Trueperella pyogenes Flashcards
what is the formal name of Trueperella pyogenes
C. pyogenes
what type of bacteria is T. pyogenes
gram + rods
True or False:
Trueperella pyogenes are non-spore forming and motile
FALSE
They are non-spore forming and NON-motile
what is a defining characteristic of Trueperella pyogenes
pus forming
what is the most common clinical sign of a T. pyogenes infection
abscesses
where do Trueperella pyogenes inhabit
respiratory tract
GI tract
genital tract
True or False:
They are a common opportunistic pathogen
true
what are the characteristics of a bacterial culture of Trueperella pyogenes on BA
small pinpoint colonies
what are the virulent factors of T. pyogenes
- Hemolysin
- Neuramindase
3.Exoenzymes
what is the main hemolysin present with T. pyogenes
Pylolysin O (PLO)
what is considered to be both a major virulence factor of T. pyogenes and host protective antigen
Pyolysin (PLO)
how does Trueperella pyogene gain entry
some injury / skin opening
what are some common consequences of Trueperella pyogenes
-Abortion
-Abscesses
what does T. pyogenes cause in cows and heifers
summer mastitis
what internal issue can T. pyogenes cause in cattle
liver abscesses
what is the effect of Trueperella pyogenes in swine
septic arthritis
how can T. pyogenes spread in pig herds
tail biting
what is a secondary pathogen caused by Trueperella pyogenes in sheep and cattle
foot rot
what is Hardware Disease
traumatic reticulitis caused by T. pyogenes
what is used to diagnose T. pyogenes
- gram stain of pus / fluid
- bacterial culture
what is used to treat T. pyogenes
antibiotics
-penicillin
-ampicillin
-erythromycin
-sulfamethazine
-tetracyclines
what is sometimes an issue when using antibiotics to treat T. pyogenes
capsulation of bacteria leads to poor antibiotic response
True or False:
T. pyogenes is part of the normal flora
true
what is the main virulence factor
hemolysin Pyolysin
what are the main diseases caused by Trueperella pyogenes
- Liver abscesses in cattle
- summer mastitis in cows
- septic arthritis in pigs