399 .
ARCHAEOGLOBUS MEDIUM
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Equipment needed:
Autoclave
Gassing station
Serum bottle
Final pH:
6.9
Select a strain (optional):
ml
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
KCl | 0.34 | g | ||
|
|
MgCl2 x 6 H2O | 4.00 | g | ||
|
|
MgSO4 x 7 H2O | 3.45 | g | ||
|
|
NH4Cl | 0.25 | g | ||
|
|
CaCl2 x 2 H2O | 0.14 | g | ||
|
|
K2HPO4 | 0.14 | g | ||
|
|
NaCl | 18.00 | g | ||
|
|
Yeast extract
(OXOID) |
0.50 | g | ||
|
|
Na-L-lactate | 1.50 | g | ||
|
|
Fe(NH4)2(SO4)2 x 7 H2O
(0.1% w/v) |
2.00 | ml | ||
|
|
Modified Wolin's mineral solution | 10.00 | ml | ||
|
|
Sodium resazurin
(0.1% w/v) |
0.50 | ml | ||
|
|
NaHCO3 | 3.00 | g | ||
|
|
Na2S x 9 H2O | 0.50 | g | ||
|
|
Distilled water | 1000.00 | ml | ||
| 1 Dissolve ingredients except bicarbonate and sulfide, then sparge medium with 80% H2 and 20% CO2 gas mixture for 30 - 45 min to make it anoxic. Add bicarbonate and adjust pH to 6.9, then dispense medium under 80% H2 and 20% CO2 gas atmosphere into serum vials (e.g., 20 ml per 100 ml bottle), seal and autoclave. Before use reduce the medium with sodium sulfide from a sterile anoxic stock solution prepared under 100% N2 gas. | |||||
| 2 After inoculation, add 2 bar overpressure of sterile 80% H2 and 20% CO2 gas mixture. | |||||
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. | |||||