Official DSMZ medium: This medium was manually curated by experts from the DSMZ.
| Compound | Amount | Unit | Conc. [g/L] | Conc. [mM] | |
|---|---|---|---|---|---|
| KCl | 0.33 | g | 0.326 | 4.378 | |
| MgCl2 x 6 H2O | 0.52 | g | 0.514 | 2.53 | |
| CaCl2 x 2 H2O | 0.29 | g | 0.287 | 1.951 | |
| NH4Cl | 0.33 | g | 0.326 | 6.102 | |
| KH2PO4 | 0.33 | g | 0.326 | 2.399 | |
| Trace element solution SL-4 | 10.00 | ml | - | - | |
| Na2CO3 | 2.50 | g | 2.473 | 23.331 | |
| Na-pyruvate | 1.00 | g | 0.989 | 8.988 | |
| Yeast extract | 0.20 | g | 0.198 | - | |
| Wolin's vitamin solution (10x) | 1.00 | ml | - | - | |
| Distilled water | 1000.00 | ml | - | - | |
| 1 Dissolve ingredients except carbonate, pyruvate, yeast extract, and vitamins, then sparge medium with 100% CO2 gas for 30 - 45 min to make it anoxic. Add carbonate and adjust pH to 6.0 - 6.5, then dispense medium under 100% CO2 gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Add pyruvate, yeast extract and vitamins from sterile anoxic stock solutions prepared under 100% N2 gas atmosphere. Stock solutions of pyruvate and vitamins are sterilized by filtration. After completing the medium adjust pH to 6.5 with a sterile anoxic stock solution of 1 N NaOH. | |||||
| Compound | Amount | Unit | Conc. [g/L] | Conc. [mM] | |
|---|---|---|---|---|---|
| Na2-EDTA | 0.50 | g | 0.5 | 1.487 | |
| FeSO4 x 7 H2O | 0.20 | g | 0.2 | 0.719 | |
| ZnSO4 x 7 H2O | 0.10 | g | 0.1 | 0.348 | |
| MnCl2 x 4 H2O | 0.03 | g | 0.03 | 0.152 | |
| H3BO3 | 0.30 | g | 0.3 | 4.851 | |
| CoCl2 x 6 H2O | 0.20 | g | 0.2 | 1.54 | |
| CuCl2 x 2 H2O | 0.01 | g | 0.01 | 0.059 | |
| NiCl2 x 6 H2O | 0.02 | g | 0.02 | 0.154 | |
| Na2MoO4 x 2 H2O | 0.03 | g | 0.03 | 0.124 | |
| Distilled water | 1000.00 | ml | - | - | |
| 1 First dissolve EDTA in distilled water and adjust pH to 7.0 using 2 N NaOH; then add other compounds. | |||||
| Compound | Amount | Unit | Conc. [g/L] | Conc. [mM] |
|---|---|---|---|---|
| Biotin | 20 | mg | 0.02 | 0.082 |
| Folic acid | 20 | mg | 0.02 | 0.045 |
| Pyridoxine hydrochloride | 100 | mg | 0.1 | 0.486 |
| Thiamine HCl | 50 | mg | 0.05 | 0.148 |
| Riboflavin | 50 | mg | 0.05 | 0.133 |
| Nicotinic acid | 50 | mg | 0.05 | 0.406 |
| Calcium D-(+)-pantothenate | 50 | mg | 0.05 | 0.21 |
| Vitamin B12 | 1 | mg | 1.0e-3 | 7.4e-4 |
| p-Aminobenzoic acid | 50 | mg | 0.05 | 0.365 |
| (DL)-alpha-Lipoic acid | 50 | mg | 0.05 | 0.242 |
| Distilled water | 1000 | ml | - | - |
| Last modified: | 09.09.22 |
| Source: | DSMZ |
| Taxonomic range: | Bacteria |
| Medium type: | Complex medium |
| Final pH: | 6.5 |
| 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] |
|---|---|---|
| Na2CO3 | 2.473 | 23.331 |
| Na-pyruvate | 0.989 | 8.988 |
| MgCl2 x 6 H2O | 0.514 | 2.53 |
| NH4Cl | 0.326 | 6.102 |
| KCl | 0.326 | 4.378 |
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