1263 .
SPIROCHAETA DISSIPATITROPHA MEDIUM
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Equipment needed:
Autoclave
Filter
Gassing station
Hungate tubes
Final gas composition:
100 % N2
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Final pH:
9.4
Select a strain (optional):
ml
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
NaCl | 30.00 | g | ||
|
|
KCl | 0.20 | g | ||
|
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K2HPO4 | 0.20 | g | ||
|
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MgCl2 x 6 H2O | 0.10 | g | ||
|
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NH4Cl | 1.00 | g | ||
|
|
Modified Wolin's mineral solution | 10.00 | ml | ||
|
|
Sodium resazurin
(0.1% w/v) |
0.50 | ml | ||
|
|
Na2CO3 | 2.76 | g | ||
|
|
NaHCO3 | 24.00 | g | ||
|
|
Yeast extract | 0.50 | g | ||
|
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Cellobiose | 5.00 | g | ||
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Wolin's vitamin solution | 2.00 | ml | ||
|
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Na2S x 9 H2O | 0.40 | g | ||
|
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Distilled water | 1000.00 | ml | ||
| 1 Dissolve ingredients (except carbonate, bicarbonate, yeast extract, cellobiose, vitamins and sulfide), then sparge medium with 100% N2 gas for 30 - 45 min to make it anoxic. Add solid carbonate and bicarbonate to the medium, dissolve and adjust to pH 9.4. Dispense medium under 100% N2 gas atmosphere into anoxic Hungate-type tubes or serum bottles and autoclave. To the autoclaved medium add yeast extract, cellobiose, vitamins and sulfide from sterile anoxic stock solutions prepared under 100% N2 gas atmosphere. Stock solutions of vitamins and cellobiose should be sterilized by filtration. | |||||
Modified Wolin's mineral solution #
1000
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
Nitrilotriacetic acid | 1.50 | g | ||
|
|
MgSO4 x 7 H2O | 3.00 | g | ||
|
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MnSO4 x H2O | 0.50 | g | ||
|
|
NaCl | 1.00 | g | ||
|
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FeSO4 x 7 H2O | 0.10 | g | ||
|
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CoSO4 x 7 H2O | 0.18 | g | ||
|
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CaCl2 x 2 H2O | 0.10 | g | ||
|
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ZnSO4 x 7 H2O | 0.18 | g | ||
|
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CuSO4 x 5 H2O | 0.01 | g | ||
|
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AlK(SO4)2 x 12 H2O | 0.02 | g | ||
|
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H3BO3 | 0.01 | g | ||
|
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Na2MoO4 x 2 H2O | 0.01 | g | ||
|
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NiCl2 x 6 H2O | 0.03 | g | ||
|
|
Na2SeO3 x 5 H2O | 0.30 | mg | ||
|
|
Na2WO4 x 2 H2O | 0.40 | mg | ||
|
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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. | |||||
Wolin's vitamin solution #
1000
| Compound | Amount | Unit | |
|---|---|---|---|
|
|
Biotin | 2.0 | mg |
|
|
Folic acid | 2.0 | mg |
|
|
Pyridoxine hydrochloride | 10.0 | mg |
|
|
Thiamine HCl | 5.0 | mg |
|
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Riboflavin | 5.0 | mg |
|
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Nicotinic acid | 5.0 | mg |
|
|
Calcium D-(+)-pantothenate | 5.0 | mg |
|
|
Vitamin B12 | 0.1 | mg |
|
|
p-Aminobenzoic acid | 5.0 | mg |
|
|
(DL)-alpha-Lipoic acid | 5.0 | mg |
|
|
Distilled water | 1000.0 | ml |