is e coli citrate positive or negative ?
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Kimberly R. Berger
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In laboratory tests, E. coli can be distinguished based on its ability to utilize citrate as a sole carbon source. If E. coli is able to utilize citrate, it is termed as citrate-positive, indicating that it can grow in a medium containing citrate. Conversely, if E. coli cannot utilize citrate, it is termed as citrate-negative, meaning it does not grow in a medium containing citrate. This ability to utilize citrate is often assessed using specific biochemical tests or growth media.