Bact: Bact interaction w/ host

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Author:
HLW
ID:
62297
Filename:
Bact: Bact interaction w/ host
Updated:
2011-02-08 19:45:52
Tags:
Bact
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Description:
Bact interaction with host/Bact Toxins
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  1. What aids in attachment and colonization
    pili
  2. What aids in immune escape
    • capsule
    • toxins
  3. Ex. of intracellular bacteria (2)
    • mycobacteria
    • Salmonella
  4. Ex. of antigenic variation
    Mycoplasma
  5. Bact w/ apoptosis (2)
    • Salmonella
    • Listeria
  6. *Virulence factors arise from:
    • Mutation
    • Transformation
    • Transduction
    • Conjugation
  7. *Transformation occurs when...
    Free DNA enters
  8. *Transduction occurs when...
    Bacteriophage increases virolence
  9. Conjugation is common among members of...
    Enterobacteriaceae
  10. Conjugagtion can lead (2):
    • Enterotoxin production
    • Drug Resistance
  11. ____ can lead to drug resistence in humans
    conjugation
  12. Ex.'s of bact that produce exotoxins and the toxin produced (3):
    • Tetanus- cholera (neurotoxin)
    • E. coli - enterotoxin
    • Botulism - neurotoxin
  13. Endotoxins ->
    Endotoxemia
  14. _____ are secreted by the bacteria. ____ are part of the cell wall.
    • Exotoxins
    • Endotoxins
  15. What toxin causes Fluid/Diarrhea in neonatal pigs?
    E. coli entertoxin
  16. What toxin causes Ballooning of Gi segments
    E. coli entertoxin
  17. What toxin causes lockjaw?
    Tetanus Neurotoxin
  18. What toxin causes salivation and inability to swallow in dogs?
    Tetanus Neurotoxin
  19. What Toxin can cause a horse to have a wide stance w/ stiff legs?
    Tetanus Neurotoxin
  20. What toxin effects tissue culture cells?
    • E. coli enterotoxin
    • What causes Paralysis of the equine tongue
    • Clostridium botulism

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