YM (selective medium)

YM Agar and Broth, is a selective growth medium with low pH useful for cultivating yeasts, molds, or other acid-tolerant or acidophilic organisms, while deterring growth of most bacteria and other acid intolerant organisms.[1] It is malt extract medium modified by the addition of yeast extract and peptone.[2]

The 'YM' of the name stands either for 'Yeast and Mold', or 'Yeast extract-Malt extract' depending on the source.

Variations include YMG agar/broth, which contains yeast, malt, and glucose.[3]

References
  1. "Xanthine Agar YM Agar • YM Broth" (PDF). Becton, Dickinson and Company. Retrieved 2008-07-13.
  2. Carlos Rosa, Gábor Péter (2005-11-18). Biodiversity and Ecophysiology of Yeasts: The Yeast Handbook. ISBN 9783540261001. Retrieved 2008-07-13.
  3. "Yeast and Malt Extract with Glucose Agar Recipe". LabRat. theLabRat.com. 2005. Retrieved 23 February 2018.
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