Smolke:Protocols/Yeast Media Recipes

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Yeast Nitrogen Base Minus Amino Acids (YNB-AA) Recipe

  • For 1 L Batch:
    • 1.7g Yeast Nitrogen Base (stored in cold room)
    • 5g NH3SO4 (Ammonium Sulfate, stored in chemical stock cabinet)

Dissolve in 800mL Np H2O for YNB-AA stock Autoclave (store at RT for media stocks)

  • To use as working media:
  • After autoclaving add:
    • 100mL 10X (20%) Dextrose
    • 100mL 10X Drop Out stock (10X DO stock recipe: [[1]])
    • 1 L Total

Yeast Nitrogen Base Minus Amino Acids Non-Inducing, Non-Repressing (YNB-AA NINR) Recipe

For 1 L Batch: 1.7g Yeast Nitrogen Base 5g NH3SO4

Dissolve in 700mL Np H2O for YNB-AA NINR stock Autoclave (store at RT for media stocks)

To use as working media: After autoclaving add: 100mL 10X (20%) Raffinose 100mL 10X (10%) Sucrose

100mL 10X Drop Out stock

1 L Total

Yeast Peptone (YP) Media Recipe

For 1 L Batch: 10g Yeast Extract [Bacto™ REF#212750] (stored in chemical stock cabinet) 20g Peptone [Bacto™ REF#211677] (stored in chemical stock cabinet)

Dissolve in 900mL Np H2O for YP stock Autoclave (store at RT for media stocks)

To use as working media: After autoclaving add: 100mL 10X (20%) Dextrose 1 L Total YPD (Yeast Peptone Dextrose)

To pour any of these media stocks as plates: Add 20g agar per 1L final media volume before autoclaving See here [[2]]

For yeast KanMX selection: Add 400mg/L for selection (in plates) Add 200mg/L for maintenance (in liquid culture media)

-Michael S. Siddiqui 21:53, 4 January 2011 (EST)* 01/04/2011 (based mainly on communications from Andrew Babiskin)

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