813b .
DESULFONATRONUM LACUSTRE MEDIUM
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Selected strain: Desulfonatronum parangueonense DSM 103602
This strain uses the standard medium without modifications.
Growth conditions: 3-7 days
anaerobic
35 °C
Equipment needed:
Autoclave
Filter
Gassing station
Hungate tubes
Final gas composition:
100 % N2
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Final pH:
8.8 - 9.0
Select a strain (optional):
ml
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
KH2PO4 | 0.2 | g | ||
|
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MgCl2 x 6 H2O | 0.1 | g | ||
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NH4Cl | 1.0 | g | ||
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KCl | 0.2 | g | ||
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Na2SO4 | 5.0 | g | ||
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NaCl | 2.0 | g | ||
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Trace element solution SL-10 | 1.0 | ml | ||
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Selenite-tungstate solution | 1.0 | ml | ||
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Yeast extract | 1.0 | g | ||
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Sodium resazurin
(0.1% w/v) |
0.5 | ml | ||
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Na2CO3 | 3.5 | g | ||
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Na2S x 9 H2O | 0.5 | g | ||
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Na-L-lactate | 2.0 | g | ||
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Wolin's vitamin solution (10x) | 1.0 | ml | ||
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Distilled water | 1000.0 | ml | ||
| 1 Dissolve ingredients (except carbonate, sulfide, lactate, and vitamins) and sparge medium with 100 % N2 gas for 30 - 45 min to make it anoxic. Add and dissolve carbonate and sulfide, then adjust pH to 8.8 - 9.0, dispense under 100% N2 gas atmosphere into Hungate-type tubes or serum vials and autoclave. Before use add lactate and vitamins (sterilized by filtration) from sterile anoxic stock solutions prepared under 100% N2 gas. | |||||
Trace element solution SL-10 #
1000
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
HCl
(25%) |
10.0 | ml | ||
|
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FeCl2 x 4 H2O | 1.5 | g | ||
|
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ZnCl2 | 70.0 | mg | ||
|
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MnCl2 x 4 H2O | 100.0 | mg | ||
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H3BO3 | 6.0 | mg | ||
|
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CoCl2 x 6 H2O | 190.0 | mg | ||
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CuCl2 x 2 H2O | 2.0 | mg | ||
|
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NiCl2 x 6 H2O | 24.0 | mg | ||
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Na2MoO4 x 2 H2O | 36.0 | mg | ||
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Distilled water | 990.0 | ml | ||
| 1 First dissolve FeCl2 in the HCl, then dilute in water, add and dissolve the other salts. Finally make up to 1000.00 ml. | |||||
Selenite-tungstate solution #
1000
| Compound | Amount | Unit | |
|---|---|---|---|
|
|
NaOH | 0.5 | g |
|
|
Na2SeO3 x 5 H2O | 3.0 | mg |
|
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Na2WO4 x 2 H2O | 4.0 | mg |
|
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Distilled water | 1000.0 | ml |
Wolin's vitamin solution (10x) #
1000
| Compound | Amount | Unit | |
|---|---|---|---|
|
|
Biotin | 20 | mg |
|
|
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 |