Staphylococcus
yes; nose, skin, gut, & vagina
Is it part of the normal flora? if so Where?
yes
Can it synthesize catalase?
no
Does it always cause a disease?
yes through staphylococcus epidermis and s. aureus
Does it cause nosocomial infections?
yes, a variety MRSA, VRSA
Does it have the tendency to be drug resistant? examples?
no, its haloduric
Does salt inhibit its growth?
gram +
Gram + or Gram -?
bood
Know what target area is concerned with: bacteremia
lining of heart
Know what target area is concerned with: endocarditis
menegies
Know what target area is concerned with: meningitis
bone
Know what target area is concerned with: osteomyelitis
lung (from blood)
Know what target area is concerned with: pneumonia
coagulase, b-lactamase, hyaluronidase, lipase, & staphylokinase
What are some examples of exoenzymes utilized by Staphylococcus aureus?
skin, gut, reproductive, & systemic
What areas of the body can be problematic?
pyogenic
What does it mean to be pus forming?
catalase test
What is an easy way of testing to differentiate between staphylococcus and streptococcus?
carries Plasmid for Exfoliative toxins
What is required for a strain of aureus to cause SSSS?
Epidermolytic toxins (A&B)
What is the name of the toxin used?
Epidermolytic toxins (A&B); "unstick" by acting on desmoglein
What occurs to cause this "sloughing off"?
Impetigo; more common with S. aureus
What skin infection can also be cause by strep and is very contagious and spreads from scratching? Which is more common?
pus, tissue exudates, sputum, urine & blood
What types of samples are collected to isolate S. aureus?
S.aureus
Which is the most serious species of the pathogens?