DSMZ 963 . THERMOANAEROMONAS MEDIUM

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Equipment needed: Autoclave Filter Gassing station Hungate tubes

Final gas composition: 80 % N2 20 % CO2 read more

Final pH: 6.5

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ml
Compound Amount Unit
K2HPO4 0.78 g
KH2PO4 0.75 g
Na3-EDTA 0.04 g
FeSO4 x 7 H2O 0.01 g
MgSO4 x 7 H2O 0.25 g
CaCl2 x 2 H2O 0.03 g
NaCl 0.20 g
NH4Cl 0.50 g
D-Glucose 0.50 g
Yeast extract
(OXOID)
0.50 g
Trace element solution 10.00 ml
Sodium resazurin
(0.1% w/v)
0.50 ml
NaHCO3 5.00 g
Na2S2O3 x 5 H2O 1.24 g
Wolin's vitamin solution (10x) 1.00 ml
L-Cysteine HCl x H2O 0.25 g
Distilled water 1000.00 ml
1 Dissolve ingredients (except bicarbonate, thiosulfate, vitamins and cysteine), then sparge medium with 80% N2 and 20% CO2 gas mixture for 30 - 45 min to make it anoxic. Add solid bicarbonate and adjust pH to 6.8 - 7.0. Dispense medium under 80% N2 and 20% CO2 gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Add thiosulfate, vitamins and cysteine from sterile anoxic stock solutions prepared under 100% N2 gas. Stock solutions of thiosulfate and vitamins should be sterilized by filtration. Adjust pH of complete medium to 6.5, if necessary.

Trace element solution #

1000
Compound Amount Unit
Nitrilotriacetic acid
(NTA)
12.80 g
FeCl2 x 4 H2O 1.00 g
MnCl2 x 4 H2O 0.10 g
CoCl2 x 6 H2O 0.03 g
CaCl2 x 2 H2O 0.10 g
ZnCl2 0.10 g
CuCl2 0.02 g
H3BO3 0.01 g
Na2MoO4 x 2 H2O 0.03 g
NiCl2 x 6 H2O 0.10 g
NaCl 1.00 g
Na2SeO3 x 5 H2O 0.03 g
Na2WO4 x 2 H2O 0.04 g
Distilled water 1000.00 ml
1 First dissolve NTA in 200 ml of distilled water and adjust pH to 6.5 with KOH, then dissolve mineral salts. Finally adjust pH to 6.5 with KOH and make up to 1000.00 ml.