44. Genera Actinomyces, Trueperella and Actinobaculum.

Question 1

Family Actinomycetaceae?

Answer 1

Family Actinomycetaceae
• genera
• Actinomyces
• Trueperella
• Actinobaculum

Question 2

Actinobaculum Habitat, Morphology and Staining?

Answer 2

ACTINOMYCES, TRUEPERELLA (ARCANOBACTERIUM),
ACTINOBACULUM
1. Habitat:
• mucous membranes
2. Morphology:
• heterogeneous morphology
• rods, curved rods, filaments,
3. Staining:
• Gram-positive

Question 3

Culture and Pathogenecity Actinobaculum?

Answer 3

4. Culture:
   • fastidious
   • blood agar
   • oxygen
   • anaerobic,
   • microaerophilic,
   • facultative anaerobic,
   • haemolysis (some species)
5. Pathogenicity:
   • facultative pathogens

Question 4

Actinomyces Habitat Morphology and Culture?

Answer 4

ACTINOMYCES
1. Habitat
• mucous membranes (oral cavity, alimentary tract, genitals)
2. Morfology
• rods, filaments
• sulphur granules
3. Culture:
• anaerobic (aerotolerant)
• blood agar

Question 5

Actinomyces Species?

Answer 5

4. Species:
   • A. bovis:• cattle lumpy jaw
   • A. hyovaginalis • abortion, local purulent lesions
   • A. suimastitidis • pig, mastitis
   • A. viscosus:• caryes human, dog
   • A. israeli: • human actinomycosis
   • A. hordeovulneris: • dog actinomycosis

Question 6

Trueperella Habitat, Morphology and Culture?

Answer 6

TRUEPERELLA (ARCANOBACTERIUM)
1. Habitat
• mucous membranes (oropharyngeal cavity)
2. Morphology
• curved rods
• coryneform
3. Culture:
• blood agar, serum agar
• haemolysis
• protein demand

Question 7

Trueperella species?

Answer 7

4. Species:
   • T. (Arcanobacterium, Corynebacterium) pyogenes:
   • toxin (haemolysis),
   • local suppuration
   • mastitis,
   • metritis,
   • arthritis,
   • pneumonia,
   • navel infection

Question 8

Actinobacillum(A.suis) Habitat Culture and pathogenecity?

Answer 8

ACTINOBACULUM
A. (Corynebacterium, Eubacterium, Actinomyces) suis:
1. Habitat
• preputial mucosa of boars
2. Culture
• anaerobic
• blood agar
3. Pathogenicity
• purulent cystitis,
• pyelonephritis