Exam 1: Gram Positive Corynebacterium Flashcards
Gram positive, non-motile pleomorphic bacteria
Corynebacterium
T/F. Corynebacterium are obligate aerobes.
F. aerobic or facultative anaerobic
T/F. corynecacterium are non-spore forming
T
T/F. Corynebacterium contain short mycolic acids in their cell wall
T
Where are corynebacterium commensals?
mucus memb.
Corynebacterium are opportunistic pathogens causing mostly _____ infections.
Pyogenic
Gram positive aerobes with an unusual lipid rich outer layer which tend to survive in macrophages
Corynebacterium
Virulence factor of corynebacterium that protects from hydrolytic enzymes in host phagocytes
External lipid coat
virulence factor of corynebacterium used to hydrolyze cell membranes
Exotoxin Phospholipase D
Virulence factor of Corynebacterium that interferes with protein synthesis incells
Diphtheria toxin
What are the 4 species of Corynebacterium important in vet med?
- C. pseudotuberculosis
- C. bovis
- C. renale group
- C. kutscheri
What are the 2 species of Corynebacterium renal group?
- C. renale
- C. pilosum
- C. cystitidis
Caseous lymphadenitis in sheep and goats is caused by ____
Corynebacterium pseudotuberculosis
Chronic pyogranulomatous infection of lymph nodes of sheep and goats
Caseous lymphadenitis
What is Thin ewe syndrome?
internal abscesses leading to chronic wt. loss due to Corynebacterium pseudotuberculosis infection.
T/F. Caseous lymphadenitis is considered a curable disease?
F
What causes ulcerative lymphangitis in horses?
Corynebacterium pseudotuberculosis
Infectious, inflamatory condition of the cutaneous lymphatic system of lower limbs and chronic abscesses in the pectoral an ventral region of horses
Ulcerative lymphangitis caused by corynebacterium pseudotuberculosis
What are the 2 categories of Corynebacterium pseudotuberculosis?
- Non-nitrate reducing biotype
2. Nitrate reducing biotype
Caseous lymphadenitis in sheep and goats is cause by which category of corynebacterium pseudotuberculosis?
Non-nitrate reducing biotype
Ulcerative lymphangitis in horses is caused by which category of Corynebacterium pseudotuberculosis
Nitrate reducing biotype