Derm Flashcards
staphylococcus spp.
gram - or +
shape
aerobe or anaerobe
spore or non-spore forming
virulence factor
gram + cocci, grape-like
facultative anaerobe
non-spore forming
MSCRAMMs - Fibronectin, Collagen, Fibrinogen
biofilm
S. schleiferi
coagulase + or -
species
clinical signs
coagulase +
dogs
suppurative inflammation
staphylococcus spp.
pathogenesis
toxic shock syndrome toxin (TSST)
superantigens
cytokine storm
S. hyicus
coagulase + or -
species
clinical signs
none specified
swine, cattle
“greasy pig disease”
S. intermedius
coagulase + or -
coagulase +
S. pseudointermedius
coagulase + or -
species
clinical signs
coagulase +
dogs
primary derm disease - superficial/deep pyoderma, wound infections, otitis externa
also opportunistic infections of every other organ system esp. urinary tract infections
S. aureus
coagulase + or -
species
clinical signs
coagulase +
cattle, horses, dogs, cats, poultry, swine
wound infections
also urinary tract infections and contagious mastitis
erysipelas (superficial dermatitis) in humans
which staphylococcus spp. is the most important opportunist of dogs?
S. pseudointermedius
in all normal flora
which staphylococcus spp. is the cause of highest burden of disease in people
S. aureus
what types of flora are important for encounter of S. pseudointermedius
resident flora (multiply on healthy skin)
transient flora (do not multiply)
S. pseudointermedius
resident or transient in dogs?
MRSP or MRSA?
resident and transient in dogs
transient in people
MRSP (methicillin resistant)
S. aureus
resident or transient in humans?
MRSP or MRSA?
resident and transient in humans
minor player in dogs
MRSA in humans and dogs
Staphylococcus spp. transmission
damage to skin/follicles –> access to the bloodstream
can lead to emboli in other organs such as endocarditis
Staph can ______ just about anywhere in a debilitated patient
dissemintate
Pseudomonas aeruginosa
gram - or +
shape
aerobe or anaerobe
virulence factors
gram - rod
aerobe
LPS, toxins, neuraminidase, biofilm, T3SS