YAPD (double for 2xYAPD):
10g of BactoYeast extract
100mg adenine hemisulfate
q.s. to 1000ml with water.
Autoclave 20min on liquid cycle.
Selective medium will vary based on strain and application.
2mg/ml in TE. Sigma D1626. Make 100ml in a flask using a magnetic stirrer. Takes 2-4 hours to dissolve. Aliquot in 1.5ml tubes (1ml/tube).
Place 50gm of polyethylene glycol, MW 3350 (Sigma) in a 150 ml glass beaker and add 35 ml of ddH20. Stir for 1-2hrs with a magnetic stirring bar until dissolved. q.s. to 100 ml and keep stirring for at least 10min to mix. Filter using a 0.45 um filter and aliquot in 15ml conicals (10ml each) and store at RT.
1.0M Lithium Acetate. No need to pH.