Erysipelothrix

Question 1

characteristics of erysipelothrix

Answer 1

• gram-positive slender rods
• non spore forming
• irregular colony morphology
• facultative anaerobes
• weakly alpha hemolytic
• catalase negative

Question 2

virulence factor of erysipelothix

Answer 2

capsule
neuraminidase
SpaA protein

Question 3

E. rhusiopathiae pig

Answer 3

host: pigs older that 3 months
dz: erysipelas or diamond skin disease
acquired via food/water
enters through tonsils
control: maintained in healthy carriers, hard to recover organisms from skin lesions

Question 4

E. rhusiopathiae poultry

Answer 4

dz: sepsis, endocarditis
oral exposure
treatment: penicillins

Question 5

E. rhusiopathiae wild ungulates

Answer 5

dz: die offs
kills massive amounts of caribou and muskox
may be secondary to climate change