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BACILLUS MEGATERIUM
195
Transcript
Fun Facts
- The name Megaterium is Greek for "great beast".
- One of the largest bacteria; the largest bacillus.
Test Results
- Gram stain: positive
- Citrase: negative
- Lactose Fermentation: Negative
Is it harmful?
Nope! This bacteria is found in foods, like honey, and on places like leather and paper.
BACILLUS MEGATERIUM
Looks
- Bacillus Megaterium is about 4 µm long and has a diameter of around 1.5 µm.
- Colonies are white.
- the cells are rod-shaped with a chain arrangement.
Discovery
- Discovered by Anton de bary in 1884.
- De bary named the bacteria for its size.
Sources
- http://en.wikipedia.org/wiki/Bacillus_megaterium
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3147683/
What It's Used For
- making synthetic penicillin, used in glucose blood tests and other pharmaceutical products
- in some amylases in baking
Where & How It Grows
- This bacteria is commonly isolated in/from soil,some foods and animals.
- It grows in temps from 3-45°C. (30°C is the Most effective temperature for it to grow.)
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