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Name: Kristin
Status: Other
Grade:  Other
Location: NY
Country: United States
Date: April 2007
Question:
What is the best agar to isolate a gram positive organism? for gram negative it would be the MacConkey agar correct?


Replies:
I use Phenylethyl alcohol (PEA) agar for isolating gram positives. You can use either MacConkey or EMB (Eosin Methylene Blue) agar for gram negatives.

vanhoeck


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