Escherichia coli, a gram-negative, rod-shaped bacterium commonly found in the lower intestines of warm-blooded animals. Used extensively in laboratory research.

learn more… | top users | synonyms

8
votes
1answer
220 views

How long does it take for E. coli to shift feedstocks?

With our fermentations we're noticing that it takes an appreciable amount of time for E. coli (K12 variant) to change from being metabolically streamlined on amino acids to being metabolically ...
5
votes
2answers
357 views

Survival of E. coli on agar plate at -20 degree C without glycerol stock

If I kept E. coli transformed with plasmid at -20˚C without making glycerol stock, will it survive? Actually I have kept it this way for 18 hours. What will happen with it? Will it grow in fresh ...
1
vote
1answer
162 views

How to obtain bacteria samples?

Would anyone know how to go about obtaining samples of Salmonella or E. coli for purely educational purposes? Note: I just want to look at the stuff under a microscope.