Staphylococcus epidermis and saprophyticus Flashcards
what enzyme does staph epidermis have always?
catalse
does staph epidermis have coagulase?
no
how do you differentiate staph. epidermis from staph. saprophyticus?
by using novobiocin,
staph epidermis is sensitive to novobiocin and saprophyticus is resistant
is staph epidermis hemolytic?
it is non-hemolytic
is staph. saprophyticus hemolytic?
no
where is staph epidermis found?
in the skin
how is the onset of endocarditis caused by staph epidermidis?
slow onset
what can a staph epidermis infection lead to?
subacute endocarditis (in prosthetic heart valves)
catheter/shunt infection (due to biofilm formation)
prosthetic joint infections (especially in hip)
what is the most common cause of catheter/shunt infection?
staph epidermis
stap epidermis infection in prosthetics present with symptoms in what time frame?
after a year
catheter/shunt infection by staph epidermis will form what?
biofilm
staph saprophyticus infection can cause this disease…
urinary tract infection in young sexually active women
where is staph saprophyticus found?
in the skin
both staph. epidermis and saprophyticus will form what color colonies?
MSA pink colonies
Do both staph. epidermis and saprophyticus ferment in mannitol?
they do not
they are salt intolerant
