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YPD Plus™

Specialized medium used for yeast outgrowth that increases transformation efficiency > 50% when compared to conventional YPD medium.
Ideal for yeast strains exhibiting poor growth characteristics.
Useful when attempting to maximize transformation efficiencies for library screening purposes.

Product Size Catalog # Price Qty
YPD Plus™ 50 ml Y1003-50
YPD Plus™ 100 ml Y1003-100

About YPD Plus™

The outgrowth step in yeast transformation protocols is often critical for increasing overall yeast transformation efficiencies. Following treatment of yeast with lithium acetate and polyethylene glycol solutions, it is often necessary to add medium to allow for a period of outgrowth, which normally results in increased cell survival. This is useful when attempting to maximize transformation efficiencies for library screening or transforming yeast with multiple plasmids. YPD Plus™ is a special formulation of conventional YPD outgrowth medium that increases yeast transformation efficiencies by < 50%. YPD Plus™ is recommended for mutant yeast strains exhibiting poor growth characteristics that are not amenable to transformation. Simply supplement a yeast transformation reaction mixture with YPD Plus™ to achieve consistent increases in yeast transformation efficiencies.

Comparison of YPD vs. Zymo Research's YPD Plus™ medium. Yeast transformations were performed with outgrowth performed in either standard YPD or YPD Plus™ medium. The relative percentage of transformants is shown in the graph to the left. Each plot represents the relative transformation efficiency averaged from six individual transformations.
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