Bacteria and Infection Flashcards
1
Q
What is linked to... toxin mediated disease scalded skin syndrome food poisoning toxic shock
A
Staph. aureus
2
Q
capsule protein A fibronectin binding protein cytolytic exotoxins Panton-Valentine leukocidin
A
S. aureus pathogenicity factors (5)
3
Q
pneumoniae
viridans
A
alpha-haemolytic streps
4
Q
pyogenes A
agalactiae B
A
beta-haemolytic streps
5
Q
gamma-haemolytic streps
A
enterococcus
6
Q
What is linked to... pharyngitis scarlet fever cellulitis necrotising fasciitis sepsis
A
strep. pyogenes
7
Q
Difference between Gram+ve and Gram-ve bacteria
A
gram-ve has inner and outer membrane
8
Q
Extrinsically acquired resistance -
Transformation
A
transfer of cell free DNA that contains antibiotic resistance genes
9
Q
Extrinsically acquired resistance -
Transduction
A
transfer of bacterial DNA that contains antibiotic resistance via a bacteriophage
10
Q
Extrinsically acquired resistance -
Conjugation
A
transfer of bacterial and plasmid DNA between mating cells
11
Q
Extrinsically acquired resistance -
Propagation
A
proliferation of antibiotic resistant bacteria
12
Q
What are the antibiotic targets?
A
cell wall synthesis protein synthesis (30S & 50S, tRNA) cytoplasmic membrane structure folic acid metabolism DNA gyrase RNA elongation
