935a .
DEFERRIBACTER DESULFURICANS MEDIUM
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Equipment needed:
Autoclave
Filter
Gassing station
Hungate tubes
Final gas composition:
100 % N2
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Final pH:
7.0
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Main sol. 935a #
ml
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
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NH4Cl | 0.33 | g | ||
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KCl | 0.33 | g | ||
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CaCl2 x 2 H2O | 0.33 | g | ||
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MgCl2 x 6 H2O | 0.33 | g | ||
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KH2PO4 | 0.33 | g | ||
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NaCl | 25.00 | g | ||
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Modified Wolin's mineral solution | 10.00 | ml | ||
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KNO3 | 0.50 | g | ||
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Na-acetate | 2.00 | g | ||
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Yeast extract | 0.15 | g | ||
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NaHCO3 | 0.30 | g | ||
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Wolin's vitamin solution (10x) | 1.00 | ml | ||
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Distilled water | 1000.00 | ml | ||
| 1 Dissolve ingredients (except bicarbonate and vitamins), then sparge medium with 100% N2 gas for 30 - 45 min to make it anoxic. Adjust pH to 7.0 and dispense medium under same gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Add vitamins from an anoxic stock solution prepared under 100% N2 gas and sterilized by filtration and bicarbonate from a sterile anoxic stock solution prepared under 80% N2 and 20% CO2 gas atmosphere. The pH of the complete medium should be 7.0. | |||||
Modified Wolin's mineral solution #
1000
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
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Nitrilotriacetic acid | 1.50 | g | ||
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MgSO4 x 7 H2O | 3.00 | g | ||
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MnSO4 x H2O | 0.50 | g | ||
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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 | ||
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Na2SeO3 x 5 H2O | 0.30 | mg | ||
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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 (10x) #
1000
| Compound | Amount | Unit | |
|---|---|---|---|
|
|
Biotin | 20 | mg |
|
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Folic acid | 20 | mg |
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Pyridoxine hydrochloride | 100 | mg |
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Thiamine HCl | 50 | mg |
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Riboflavin | 50 | mg |
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Nicotinic acid | 50 | mg |
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Calcium D-(+)-pantothenate | 50 | mg |
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Vitamin B12 | 1 | mg |
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p-Aminobenzoic acid | 50 | mg |
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(DL)-alpha-Lipoic acid | 50 | mg |
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Distilled water | 1000 | ml |