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Old 11-01-2008, 03:47 PM
Scotty81 Scotty81 is offline
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Default Using Non-hazardous bacteria as a substitute for harmful bacteria?

I'm planning on doing a microbiology experiment on testing of antimicrobial properties of certain substances. I can only use benign sources of bacteria in my experiments.

I was thinking of using E. Coli K12 since that is non-hazardous bacteria. However, I also thought of using lactobacillus acidophilus since (the bacteria in yogurt) since that might be easier to obtain and work with.

Before I perform the experiment, I'm interested in finding out if
1) what the difference between non-hazardous bacteria (such as E. coli) and more hazardous forms

2) how similiar lactobacillus acidophilus is to E. coli.

My concern is that I might not be able to generalize the results of this experiment to experiments with more harmful bacteria. That is, anti-microbial agents might leave the good bacteria untouched, but might actually prevent microbial growth of the "bad" bacteria. If this were the case, my experiment would not be applicable.

Last edited by Scotty81; 11-01-2008 at 04:16 PM.. Reason: Used mroe accurate name of bacteria
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