Official DSMZ medium: This medium was manually curated by experts from the DSMZ.
| Compound | Amount | Unit | Conc. [g/L] | Conc. [mM] | |
|---|---|---|---|---|---|
| NH4Cl | 1.0 | g | 1 | 18.695 | |
| Na2SO4 | 2.0 | g | 2 | 14.081 | |
| Na2S2O3 x 5 H2O | 1.0 | g | 1 | 4.029 | |
| MgSO4 x 7 H2O | 1.0 | g | 1 | 4.057 | |
| CaCl2 x 2 H2O | 0.1 | g | 0.1 | 0.68 | |
| KH2PO4 | 0.5 | g | 0.5 | 3.674 | |
| Trace element solution SL-10 | 1.0 | ml | - | - | |
| Selenite-tungstate solution | 1.0 | ml | - | - | |
| Yeast extract | 1.0 | g | 1 | - | |
|
Sodium resazurin
(0.1% w/v) |
0.5 | ml | 5.0e-4 | - | |
| NaHCO3 | 1.0 | g | 1 | 11.904 | |
| Vitamin solution | 10.0 | ml | - | - | |
| Na-pyruvate | 2.5 | g | 2.5 | 22.718 | |
| Na2S x 9 H2O | 0.1 | g | 0.1 | 0.416 | |
| Distilled water | 1000.0 | ml | - | - | |
| 1 Dissolve ingredients (except bicarbonate, vitamins, pyruvate and sulfide), then sparge medium with 100% N2 gas for 30 - 45 min to make it anoxic. Dispense medium under same gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Complete the medium by adding vitamins, pyruvate and sulfide from sterile anoxic stock solutions prepared under 100% N2 gas atmosphere and bicarbonate from a sterile anoxic stock solution prepared under 80% N2 and 20% CO2 gas mixture. Stock solutions of vitamins and pyruvate are sterilized by filtration. Adjust pH of the complete medium to 6.8 - 7.0. | |||||
| 2 Note: Prior to inoculation 10-20 mg/l sodium dithionite (added from a 5% w/v solution freshly prepared under N2 and filter-sterilized) can be added to the medium to stimulate growth at the beginning. | |||||
| Compound | Amount | Unit | Conc. [g/L] | Conc. [mM] |
|---|---|---|---|---|
| Pyridoxine hydrochloride | 5 | mg | 0.005 | 0.024 |
| Riboflavin | 5 | mg | 0.005 | 0.013 |
| Calcium pantothenate | 5 | mg | 0.005 | 0.01 |
| p-Aminobenzoate | 5 | mg | 0.005 | 0.037 |
| Thioctic acid | 5 | mg | 0.005 | 0.024 |
| Nicotinamide | 50 | mg | 0.05 | 0.409 |
| Biotin | 5 | mg | 0.005 | 0.02 |
| Folic acid | 5 | mg | 0.005 | 0.011 |
| Vitamin B12 | 5 | mg | 0.005 | 0.004 |
|
Haemin
(dissolved in 0.1 N NaOH) |
5 | mg | 0.005 | 0.008 |
|
1,4-Naphthoquinone
(dissolved in 0.1 N NaOH) |
20 | mg | 0.02 | 0.126 |
| Distilled water | 1000 | ml | - | - |
| Compound | Amount | Unit | Conc. [g/L] | Conc. [mM] | |
|---|---|---|---|---|---|
|
HCl
(25%) |
10.0 | ml | 2.5 | 68.568 | |
| FeCl2 x 4 H2O | 1.5 | g | 1.5 | 7.545 | |
| ZnCl2 | 70.0 | mg | 0.07 | 0.514 | |
| MnCl2 x 4 H2O | 100.0 | mg | 0.1 | 0.505 | |
| H3BO3 | 6.0 | mg | 0.006 | 0.097 | |
| CoCl2 x 6 H2O | 190.0 | mg | 0.19 | 1.463 | |
| CuCl2 x 2 H2O | 2.0 | mg | 0.002 | 0.012 | |
| NiCl2 x 6 H2O | 24.0 | mg | 0.024 | 0.185 | |
| Na2MoO4 x 2 H2O | 36.0 | mg | 0.036 | 0.149 | |
| 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. | |||||
| Compound | Amount | Unit | Conc. [g/L] | Conc. [mM] |
|---|---|---|---|---|
| NaOH | 0.5 | g | 0.5 | 12.501 |
| Na2SeO3 x 5 H2O | 3.0 | mg | 0.003 | 0.011 |
| Na2WO4 x 2 H2O | 4.0 | mg | 0.004 | 0.012 |
| Distilled water | 1000.0 | ml | - | - |
| Last modified: | 04.04.22 |
| Source: | DSMZ |
| Taxonomic range: | Bacteria |
| Medium type: | Complex medium |
| Final pH: | 6.8 - 7.0 |
| Equipment needed: | Autoclave, Filter, Gassing station, Hungate tubes |
| Edit in Medium builder | |
Detailed instructions for the cultivation of anaerobes including important warnings can be found in the cultivation instructions .
| All strains for this medium: | 1 |
| Compound | Conc. [g/L] | Conc. [mM] |
|---|---|---|
| Na-pyruvate | 2.5 | 22.718 |
| Na2SO4 | 2 | 14.081 |
| NH4Cl | 1 | 18.695 |
| NaHCO3 | 1 | 11.904 |
| MgSO4 x 7 H2O | 1 | 4.057 |
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