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Yeast World Records

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  1. Most Handmade Yeast Frogging Plates Prepared In A Single Sitting

    Most Handmade Yeast Frogging Plates Prepared In A Single Sitting

    Michael Smith prepared 19 frog plates by hand in a single sitting. He performed the feat in the Rose Lab at Princeton University.

    Each frog plate is a 96-well plate with strains of yeast at the top, diluted down the lanes. Each frog plate was plated onto at least two plates to confirm growth (-URA and -URA Galactose). Professor Mark Rose was present to witness the achievement.

    See full-sized images here and here.

  2. Most Yeast Plasmid Transformations Performed In A Single Sitting

    Most Yeast Plasmid Transformations Performed In A Single Sitting

    Michael Smith of Princeton University’s Rose Lab successfully performed 147 yeast plasmid transformations by hand in a single sitting. Each transformation was conducted in a microcentrifuge tube, and then plated onto -URA glucose media.

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