DSMZ 613 . THERMOTOGA TF(C) MEDIUM

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* Medium for Thermotoga neapolitana DSM 4359

Replace glucose with 0.50 g/l soluble starch added to the autoclaved medium from a sterile anoxic stock solution prepared under 100% N2 gas.


Growth conditions: anaerobic 85 °C
Equipment needed: Autoclave Filter Gassing station Hungate tubes

Final gas composition: 100 % N2 read more

Final pH: 6.5 - 6.8

Select a strain (optional):

ml
Compound Amount Unit
NH4Cl 0.50 g
K2HPO4 1.60 g
Na2HPO4 x H2O 1.00 g
NaCl 7.00 g
MgCl2 x 6 H2O 1.40 g
MgSO4 x 7 H2O 1.96 g
Modified Wolin's mineral solution 10.00 ml
Yeast extract
(OXOID)
2.00 g
Trypticase peptone
(BD BBL)
2.00 g
Sodium resazurin
(0.1% w/v)
0.50 ml
D-Glucose* 3.00 g
CaCl2 x 2 H2O 0.06 g
Wolin's vitamin solution (10x) 1.00 ml
L-Cysteine HCl x H2O 0.30 g
Na2S x 9 H2O 0.30 g
Starch 0.50 g
Distilled water 1000.00 ml
1 Dissolve ingredients (except glucose, calcium chloride, vitamins and reducing agents), adjust pH to 6.5 - 6.8 and sparge medium with 100% N2 gas for 30 - 45 min to make it anoxic. Dispense under same gas atmosphere into anoxic Hungate-type tubes or serum vials to 30% of their volume and autoclave. Add glucose, calcium chloride, vitamins (sterilized by filtration), sulfide and cysteine from sterile anoxic stock solutions prepared under 100% N2 gas atmosphere.

Modified Wolin's mineral solution #

1000
Compound Amount Unit
Nitrilotriacetic acid 1.50 g
MgSO4 x 7 H2O 3.00 g
MnSO4 x H2O 0.50 g
NaCl 1.00 g
FeSO4 x 7 H2O 0.10 g
CoSO4 x 7 H2O 0.18 g
CaCl2 x 2 H2O 0.10 g
ZnSO4 x 7 H2O 0.18 g
CuSO4 x 5 H2O 0.01 g
AlK(SO4)2 x 12 H2O 0.02 g
H3BO3 0.01 g
Na2MoO4 x 2 H2O 0.01 g
NiCl2 x 6 H2O 0.03 g
Na2SeO3 x 5 H2O 0.30 mg
Na2WO4 x 2 H2O 0.40 mg
Distilled water 1000.00 ml
1 First dissolve nitrilotriacetic acid and adjust pH to 6.5 with KOH, then add minerals. Adjust final to pH 7.0 with KOH.