Escherichia coli, a gram-negative, rod-shaped bacterium commonly found in the lower intestines of warm-blooded animals. Used extensively in laboratory research.
Questions tagged [ecoli]
70 questions
13
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3 answers
What makes E. coli yellowish?
LB, TB media, and yeast extract are also yellow but at the heart of the question. What chemical(s) make E. coli yellow?
bobthejoe
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Which cryogenic vials and caps are ideal for storing glycerol stocks?
There are internally threaded, externally threaded, natural caps. For the vials, there are skirts, star-footed, and various bottoms. Why do any of these things matter?
bobthejoe
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5
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What is the appropriate method to send a strain?
We are planning to send an ecoli strain to another lab. What is the appropriate way to do so. No MTA is required but the options seem to be using filter paper or sending a glycerol stock on dry ice.
bobthejoe
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The antibiotic 'kanamycin' in the growing of culture E. coli
I'm a first year student and I'm not sure if I understand correctly the role played by the antibiotic 'kanamycin' in the growing of culture E. coli (Rosetta).
Can anybody explain me why we use 'kanamycin' antibiotic and kanamycin resistance gene…
Piesel
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Test for e. coli in murky water
We had some tests done on some stream water. In the results report, the lab said:
The coliform/e. coli test was requested and [we] attempted to test for the bacteria but the sample was too dark in color to run the test, therefore, a result for…
Al Lelopath
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