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Culturing Microorganisms

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Presentation on theme: "Culturing Microorganisms"— Presentation transcript:

1 6.6-10 Culturing Microorganisms
Microbiology

2 6.6 Microbial Growth Binary Fission Asexual reproduction
One cell splits into two identical clones.

3 6.6 Microbial Growth Generation Time
How long it takes the population to double during the exponential phase of growth.

4 6.6 Microbial Growth Growth Rate is usually determined by conditions such as temperature, pH, available resources and space.

5 6.8 Counting Bacteria Direct Counting Hemocytometer RBC

6 6.8 Counting Bacteria Viable Cell Count Plate count

7 6.8 Counting Bacteria Microbial Mass Spectrophotometer

8 Measurement of gas or acid production
6.8 Counting Bacteria Measurement of gas or acid production Differential Media

9 6.9 Temperature and Growth
Psychrophile Low Temperature Thermophile High Temperature Mesophile Moderate Temperature

10 6.10 Other Growth Factors

11 6.10 Other Growth Factors Osmotic Pressure

12 6.10 Other Growth Factors pH Alkaliphile Neutrophile Acidophile


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