Alternate formulation of the YPD series media, formulated with Peptone Y (casein digest, tryptone), useful for yeast propagation and plating of mutants and transformants. Also includes the addition of an adenine hemisulfate supplement to a final 1X concentration of 120mg/L. The adenine supplement prevents yeast strains harboring ADE1 and ADE2 mutations (e.g. Y2HGold, AH109, and Y187) from turning pink/red after extended growth. Appearance: White to light tan, homogeneous, free flowing powder Solubility: Amber, clear, complete after autovclaving pH: As Reported
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