Tuesday, April 14, 2009

Unknown Info and Example

Unknown Paper: At least (minimum) one page on why you came to the conclusion that your organism was of a particular identification based on the reactions you did and did not get. Give the reactions that supported what it was and the reactions that told you what it was not. Also give brief description of the organism and the potential diseases it causes. The more complete the paper, the better the grade. DUE on last day of LAB CLASS.

Example

Proteus vulgaris is a rod-shaped, Gram negative bacterium that inhabits the intestinal tracts of humans and animals. It can be found in soil, water and faecal matter. It is grouped with the enterobacteriaceae and is an opportunistic pathogen of humans. It is known to cause urinary tract infections and wound infections.
When P. vulgaris is tested using standard biochemical assays, it is discovered that it provides a positive result for: sulfur reduction, urease production, tryptophan deaminase production, and indole production. I identified my unknown as P. vulgaris because it presented with a ……..and negative reactions for.
The optimal growing conditions of this organism is in a facultative anaerobic environment with an average temperature of about 23-37 degrees Celsius .

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