| Fungi | Viruses | Bacteria |
| What are psychrophiles? | |||
| Psychrophiles are microorganisms that live and grow better in temperatures that are about -10 to 20°C (14 to 68°F). Psychrophiles are found mostly in the Arctic and Antarctic oceans which remains frozen most of the year. The food that is needed by psychrophiles is inside the frozen glaciers and seawater, but flows in tiny streams in between cracks and layers of ice. Psychrophiles enter the milk products through the soil, water, animals and plant material where the animals are raised. When the cow eats the grass, walks in the pasture, or drinks the water, these microorganisms enter its body and is released into the milk glands. This contaminates the milk. | |||
| How are psychrophiles identified? | |||
| Psychrophiles produce an enzyme that no other organism does. This enzyme is released when psychrophiles reproduce and forms a crystalized structure in liquids like milk. When | |||
| How do psychrophiles reproduce? | |||
| In order for acidophiles to reproduce their enviroment temperature must be below -10 to 20°C (14 to 68°F) in order for them to reproduce.They reproduce asexually through mitosis. | |||
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| What do psychrophiles do? | |||
| Psychrophies can cause milk and other dairy products to spoil. This happens even after these milk products have been pasturized for two reasons. First, before the milk products are pasteurized, the milk sits in a refrigerated storage tank for usually two days. This time period gives psychrophiles time to reproduce. While the psychrophiles are reproducing, they release an enzyme. After the psychrophiles are killed during pasteurization, the enzymes work to break down, or curdle the product. It also reduced the amount of time that dairy products remain fresh. | |||
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Citations: Text
Citations: Astrobiolgy
A-Z: A
Habitat for Psychrophiles in Deep Antarctice Ice: Organic
Valley; Psychrophile Bacteria: |
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