EMM-N - Minimal Mating Medium
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Edinburgh Minimal Medium without Nitrogen (EMM-N)
This is a synthetic defined minimal medium used to induce mating or induce mating competence.
The medium is also used to create chemically competent cells for transformations.
It is identical to EMM, except for the omission of NH4Cl.
Note that due to complete lack of a nitrogen source this medium does not support growth. For most crosses it's better to use EMM-lowN
Ingredient | Amount per liter |
---|---|
Potassium Hydrogen Phthallate | 3.0 g |
Na2HPO4.2H2O (or anhydrous) | 2.76 g (2.2 g) |
D-Glucose | 20 g |
Salts Stock x50 | 20 ml |
Vitamin Stock x1000 | 1.0 ml |
Mineral Stock x10.000 | 0.1 ml |
Add supplements as required (225mg/L for most, 100mg/L for Adenine).
However, be aware that adding too many supplements might affect mating efficiency as these supp can act as N-source.
For solid medium add 2% Agar-agar (20g/L)