Bacillus Anthracis Flashcards
1
Q
what colour does bacillus anthracis stained with polychromatic methylene blue
A
it stains pink because of the Macfadyen reaction
2
Q
describe bacillus anthracis
size, gram, aerobic/anaerobic, shape
A
large gram positive rods, endospore forming, aerobic or facultative anaerobes, form square ended chains
3
Q
what do the capital of bacillus anthracis contain
A
polymers of d glutamic acid
4
Q
what are the clinical signs of anthrax
A
bloat, splenomegaly, bleeding from orifices, incomplete rigor mortis
5
Q
describe the pathogenesis of bacillus anthracis
A
- ingest/inhale spore
- germination/spread to lymph nodes
- to blood
- kills neutrophils and macrophages
- septic shock and death
6
Q
what is required for the virulence
A
toxin and capsule
