Bact: Bact interaction w/ host

What aids in attachment and colonization

pili
What aids in immune escape
- capsule
- toxins
Ex. of intracellular bacteria (2)
- mycobacteria
- Salmonella
Ex. of antigenic variation

Mycoplasma
Bact w/ apoptosis (2)
- Salmonella
- Listeria
*Virulence factors arise from:
- Mutation
- Transformation
- Transduction
- Conjugation
*Transformation occurs when...

Free DNA enters
*Transduction occurs when...

Bacteriophage increases virolence
Conjugation is common among members of...

Enterobacteriaceae
Conjugagtion can lead (2):
- Enterotoxin production
- Drug Resistance
____ can lead to drug resistence in humans

conjugation
Ex.'s of bact that produce exotoxins and the toxin produced (3):
- Tetanus- cholera (neurotoxin)
- E. coli - enterotoxin
- Botulism - neurotoxin
Endotoxins ->

Endotoxemia
_____ are secreted by the bacteria. ____ are part of the cell wall.
- Exotoxins
- Endotoxins
What toxin causes Fluid/Diarrhea in neonatal pigs?

E. coli entertoxin
What toxin causes Ballooning of Gi segments

E. coli entertoxin
What toxin causes lockjaw?

Tetanus Neurotoxin
What toxin causes salivation and inability to swallow in dogs?

Tetanus Neurotoxin
What Toxin can cause a horse to have a wide stance w/ stiff legs?

Tetanus Neurotoxin
What toxin effects tissue culture cells?
- E. coli enterotoxin
- What causes Paralysis of the equine tongue
- Clostridium botulism

Author

HLW

62297

Card Set

Bact: Bact interaction w/ host

Description

Bact interaction with host/Bact Toxins

Updated

2011-02-09T00:45:52Z

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