135737
Description
Mind Map by janmart.tenedora, updated more than 1 year ago
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Created by janmart.tenedora
over 11 years ago
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Koch's Postulates
- 1.
- Organism must be found with disease
- Constantly, within others in population
- Should not be found in healthy organisms
- Constantly, within others in population
- Organism must be found with disease
- 2.
- Suspected causative microbe
- Isolate from diseased organism
- Grow in pure culture
- streaking (smearing) of agar plates
- Use of selective agars
- Use of selective agars
- Grow in pure culture
- Isolate from diseased organism
- Suspected causative microbe
- 3.
- introduced causative microbe
- Should infect pure culture
- Should show similar symptoms
- from original disease
- from original disease
- Should show similar symptoms
- Should infect pure culture
- introduced causative microbe
- 4.
- Same pathogen must be re-isolated
- Must be similar to the original
- Shows identical symptoms?
- Shows identical symptoms?
- In another pure culture
- Must be similar to the original
- Same pathogen must be re-isolated
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