Quint Lab:yeast media

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yeast media

10x DO (Clontech)

  • 1x: 0.6 g DO Supp + 26.7 g Min SD Base/ 1 l H2O
  • 10x: 1.2 g DO Supp / 200 ml H2O

→ 121°C 20 min → 100 ml /1 l YSD


component 400 ml 1 l
40% Dextrose/Glucose 160 g 400g

→ autoclave (or steril filtration)


YPD liquid - no selection 400 ml 1 l
Peptone/Tryptone 8 g 20 g
Yeast Extract 4 g 10 g
→ pH 5.8
→ add 380 ml 950 ml
→ autoclave
40 % Dextrose 20 ml 50 ml


YPD plates - no selection 400 ml 1 l
Peptone/Tryptone 8 g 20 g
Yeast Extract 4 g 10 g
Agar 8 g 20 g
→ pH 5.8
→ add 380 ml 950 ml
→ autoclave
40 % Dextrose 20 ml 50 ml


YPD liquid - selection 400 ml 1 l
Yeast Nitrogen Base w/o aa 8 g 20 g
→ pH 5.8
→ add 380 ml 950 ml
→ autoclave
40 % Dextrose 20 ml 50 ml
10x Dropout 40 ml 100 ml
(Trp, Leu, His or Ade 20 ml 50 ml)


YPD plates - selection 400 ml 1 l
Yeast Nitrogen Base w/o aa 8 g 20 g
Agar 8 g 20 g
→ pH 5.8
→ add 380 ml 950 ml
→ autoclave
40 % Dextrose 20 ml 50 ml
10x Dropout 40 ml 100 ml
(Trp, Leu, His or Ade 20 ml 50 ml)


10x dropout 400 ml 1 l
L-Isoleucine 120 mg 300 mg
L-Valine 600 mg 1500 mg
L-Arginine HCl 80 mg 200 mg
L-Lysine 120 mg 300 mg
L-Methionine 80 mg 200 mg
L-Phenylalanine 200 mg 500 mg
L-Threonine 800 mg 2000 mg
L-Tyrosine 120 mg 300 mg
L-Uracil 800 mg 2000 mg
→ autoclave
→ store @ 4°C


100x Selection-aa 400 ml 1 l
L-Adenine hemisulphate salt 80 mg 200 mg
L-Histidine HCl monohydrate 80 mg 200 mg
L-Leucine 400 mg 1000 mg
L-Tryptophan 80 mg 200 mg
→ autoclave
→ store @ 4°C


50% PEG (for 400 ml):

  • PEG 4000 - 200 g

(Sigma #P-3640) → autoclave


10x TE (for 1 l):

  • 1M Tris-HCl pH 7.5 - 100 ml
  • 500mM EDTA pH 7.5 - 20 ml

→ add 880 ml ddH2O → autoclave


10x Lithium Acetate (for 400 ml):

  • Lithium Acetate (Sigma #L-6883) - 40.8 g

→ pH 7.5 with diluted acetic acid → autoclave


PEG/LiAc dilution for transformation 10 ml 150 ml
50% PEG 8 ml 120 ml
10x TE 1 ml 15 ml
10x LiAc 1 ml 15 ml

→ every time fresh!!!

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