Minimal Salts Vitamin Pyruvate Medium (MSVP)

Minimal Salts Vitamin Pyruvate Medium (MSVP)

Minimal Salts Vitamin Pyruvate Medium

Chemical

g/L

Chemical

g/L

(NH4)2SO4

1

MgSO4*7H2O

0.06

CaCl2*2H2O

0.06

KH2PO4

0.02

Na2HPO4

0.03

HEPES

2.383

10 mM FeSO4

1.0 mL

  1. Adjust pH to 6.0 with NaOH.

  2. For solid medium, add 16 g agar per liter.

  3. Autoclave.

  4. For the 1X 1-L solution, cool to ~50ºC in a water bath and aseptically add the following filter-sterilized solutions:

Vitamin Solution (1.0 mL)

20% sodium pyruvate, 30 mL OR 40% sodium pyruvate, 15 mL

Chemical

mg/L

mg/500 mL

Chemical

mg/L

mg/500 mL

Biotin

20

10

Folic Acid

20

10

Thiamine HCl

50

25

D-(+)-Calcium pantothenate

50

25

Vitamin B12

1

0.5

Riboflavin

50

25

Nicotinic acid

50

25

Pyridoxine HCl

100

50

p-Aminobenzoic acid

50

25