DSMZ 1315 . ANAEROBIC THAUERA MEDIUM

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Selected strain: Thauera terpenica DSM 12140

This strain uses the standard medium without modifications.


Growth conditions: 30 °C
Equipment needed: Anaerobic workbench Autoclave Filter

Final gas composition: 90 % N2 10 % CO2 read more

Final pH: 7.1 - 7.5

Select a strain (optional):

ml
Compound Amount Unit
KNO3 0.85 g
NaHCO3 2.52 g
CaCl2 0.01 g
MgSO4 x 7 H2O 0.50 g
MnSO4 0.01 g
NH4Cl 0.30 g
NaCl 0.05 g
Selenite and tungstate solution 2.00 ml
Distilled water 884.00 ml
Phosphate solution 100.00 ml
Acetate solution 98.0 g/L 10.00 ml
Vitamin solution 5.00 ml
Trace element solution SL-10 1.00 ml
1 Distribute to gas tight vessels, gas with 90% N2 +10% CO2 to achieve anaerobic conditions and autoclave. After cooling, add the phosphate solution, substrate solution, vitamin solution and trace element solution. After mixing, pH should be 7.1 - 7.5.

Phosphate solution #

100
Compound Amount Unit
Na2HPO4 x 2 H2O 1.45 g
KH2PO4 0.25 g
Distilled water 100.00 ml
1 Distribute to gas tight vessels under N2, autoclave.

Acetate solution 98.0 g/L #

100
Compound Amount Unit
K-acetate 9.8 g
Distilled water 100.0 ml
1 Filter sterilize and gas with N2. For strains DSM 12141, DSM 12142, DSM 11243 and DSM 12144, acetate may be replaced by Na-capronate (stock solution 2.76 g/100 ml).

Vitamin solution #

1000
Compound Amount Unit
Vitamin B12 50 mg
Pantothenic acid 50 mg
Riboflavin 50 mg
Pyridoxamine hydrochloride 10 mg
Biotin 20 mg
Folic acid 20 mg
Nicotinic acid 25 mg
Nicotine amide 25 mg
alpha-lipoic acid 50 mg
p-Aminobenzoic acid 50 mg
Thiamine-HCl x 2 H2O 50 mg
Distilled water 1000 ml
1 Stir for some hours, filter sterilize the solution.

Trace element solution SL-10 #

1000
Compound Amount Unit
HCl
(25%)
10.0 ml
FeCl2 x 4 H2O 1.5 g
ZnCl2 70.0 mg
MnCl2 x 4 H2O 100.0 mg
H3BO3 6.0 mg
CoCl2 x 6 H2O 190.0 mg
CuCl2 x 2 H2O 2.0 mg
NiCl2 x 6 H2O 24.0 mg
Na2MoO4 x 2 H2O 36.0 mg
Distilled water 990.0 ml
1 First dissolve FeCl2 in the HCl, then dilute in water, add and dissolve the other salts. Finally make up to 1000.00 ml.

Selenite and tungstate solution #

1000
Compound Amount Unit
Distilled water 1000.0 ml
NaOH 0.5 g
Na2SeO3 x 5 H2O 3.0 mg
Na2WO4 x 2 H2O 4.0 mg
1 First dissolve NaOH, subsequently the metal salts. Distribute to gas tight vessels under N2, autoclave.