Path 8: Bacterial infections Flashcards
(25 cards)
S. Auerus skin lesions
Boils, carbuncles, impetigo
S. Aureu binds to endothelial cells via
Surface receptors for fibrinogen, fibronectin, vitronectin
Superantigens from _____ cause food poisoning and toxic shock syndrome
Strep pyogenes
S. Aureus superantigen pathogeneisis
Binds to MHC to stimulte T-Cells which then leads to release of TNF and IL-1
Scarlet fever cause
S. Pyogenes
Glomerulonephritis bacteria cause
S. Pyogenes
Major cause of caries
S. Mutans
S. Pyogenes virulence factor
M protein
Bacteria that causes dyptheria
Corynbacterium Diptheriae
Diptheria toxin
A-B toxin that blocks host cell protein synthesis
Listeria caused by
Listeria monocytogenes, a gram positive bacillus
Listeria pregnancy complications
Abortion, stillbirth, neonatal sepsis
how does listeria escape phagosomes
Listeriolysin O. Forms pore in phagosome and escapes
Anthrax in skin
Causes a vesicle that pops and has a black eschar
Inhalational anthrax
1-6 day fever and cough followed by rapid sepsis, bacteremia and possibly sepsis
Nocardia spp. found in
Soil
Bacterial meningitis from a dorm
Neisseria meningiditis
N. Meningiditis affects people with _______ defects
Complement MAC
Whooping cough comes from
B. pertussis
B. Pertussis virulence factors
Pertussis toxin (typical A-B) toxin
Pseudomonas mostly affects
In an opportunisitc way. Burns, cystic fibrosis, AIDS, neutropenia
Pseudomonas virulence factor
Exotoxin A
Plague caused by
Yersenia Pestis
Yersenia virulence factor
YOPS
YOPS is injected into host cells to stop phagocytosis