Gram positive cocci facultative anaerobe pus producing

Staph auresus causes __________ infections as well as contagious ______ in cows

• suppurative skin

• mastitis

Staph aureus can cause ___________ and food poisoning in humans

toxic shock syndrome

What are the 3 virulence factors of staph aureus

• antiphagocytic factors

• exotoxins

• extracellular enzymes

What antiphagocytic factors does staph aureus have

• polysaccharide capsule

• protein A

What pus forming exotoxins does staph aureus have

• hemolysins

• leukotoxins

Staph aureus carries what type of leukotoxin exotoxin?

panton valentine leukocidin

Staph aureus contains _______ which allow them to illicit non specific T cell reactinos

superantigens

What superantigens does staph aureus contain

• toxic shock syndrome toxin 1

• enterotoxins

The #1 cause of food poisoning which is contained within staph areus is its ___________

enterotoxin

Specific strains of staph aureus can cause ______________ which leads to a rash but is not associated with pus or abscess formation

toxic shock syndrome

What staphylococcus toxins causes the connecting components of skin to degrade?

staphylococcal scaled skin syndrome toxin/exfoliatin

What extracellular enzymes held by staphylococcus aureus allow for more effective infection of an organism

• hyaluronidase

• nucleases

• sometimes coagulase

What extracellular enzyme of staph aureus is considered the spreading factor

hyaluronidase

What host factors predispose an animal to get staph aureus

• wound

• dermatitis

• invasive procedures

Staphylococcus aureus is a ________ bacteria with ________ morphology

• gram positive

• cocci

in a coagulase test staph aureus would test what?

positive

What type of respirator is staph aureus

facultative anaerobic

What group antigens does staph aureus contain

ribitol teichoic acid

S. hyicus and intermedius contain what group antigens

glycerol teichoic acid

In order to prevent staphylococcus infection you must avoid ____ in the mucus membrane or skin

breaks

greasy pig disease or porcine exudative epidermitis is caused by what staphylococcus

hyicus

canine pyoderma is cause by what staphylococcus

pseduointermedius

What diseases can a streptococcus infection cause?

• mastitis

• impetigo

• Respiratory, perinatal infection

streptococcus can cause what infections

• suppurative pyogenic

• non suppurative complication after recovery

• necrotizing fasciitis

• toxic shock syndrome

What disease are caused in the non suppurative portion of streptococcus infection

• glomerulonephritis

• rheumatic fever

• endocarditis

what theories are there in how streptococcus infection causes endocarditis

1. serum sickness reaction mediated by complement on heart tissue

2. autoimmune disease

What are the virulence factors that streptococcus has

• antiphagocytic factors

• exotoxins

what antiphagocytic factors does streptococcus have

• capsule

• M protein

The m protein of streptococcus is not only antiphagocytic but also confers ____________

adherence

What exotoxins does streptococcus have?

hemolysins

What type of hemolysins does streptococcus have

• Streptolysin O

• Streptolysin S

Streptolysin O only function in deep tissue due to it being oxygen ______________

labile

Streptolysin S functions on superficial tissue due to it being oxygen _____________

stable

Like staphylococcus streptococcus has what extracellular enzyme known as spreading factor

hyaluronidase

Based on the provided strep surface components list which role each of them is able to fill

• anti phagocytic, virulence

• antigenic

• all 4

• antigenic, virulence

Based on this picture is this staph or is this strep

Staph

In terms of cell morphology and respiration strep is similar to staph, but unlike staph strep is _____________

catalase negative

what structure on strep distinguish its species and confers 24 _____________ antigens

• C carbohydrates

• Lancefield group

List the coresponding strep that lies in the provided Lancefield group

1. group a

2. group b

3. group c

4. group g

1. pyogenes

2. agalactiae

3. s equi

4. Canis, disgalactieae

what species of strep is related to strangles in horses

S. equi

Based on the zone of hemolysis categorize the hemolysis

1. partial zone

2. complete zone

3. no zone

1. alpha hemolysis

2. beta hemolysis

3. gamma hemolysis

What specific species of streptococcus causes mastitis?

S. agalactiae

S. equi subsp zooepidemicus can cause what in horses?

• endometritis

• equine neonatal strep infections