Jensen's Media

  1. Mix these ingredients in 800mL of water, pH to 7.3; fill to 950mL and autoclave.
ChemicalConcentration (mM)Concentration (g/L)
NaCl85.65
K2HPO414.42.51
Glutamic acid9215.56
Valine242.81
Phenylalanine81.32


2. Prepare and sterilize these solutions separately (N.B. filter sterilizing seems to yield better growth)

ItemChemicalConcentration (mM)Concentration (g/L)Instructions
1Glucose7012.61Dissolve 12.61 g in 50mL water
2

MgSO4 · 7H2O

1.33

0.33

Dissolve 33g in 100mL water

3

CaCl2 · 2H2O

0.14

0.021

Dissolve 2.1g in 100mL water

4

FeSO4 · 7H2O

0.0039

0.0011

Dissolve 0.11g in 100mL water

5

ZnSO4 · 7H2O

0.0085

0.0024

Dissolve 0.24g in 100mL water


3. Add 50 mL glucose and 1 mL each of items 2-5 to the solution prepared in step 1 while stirring.