Medium data
Search for medium no. = [694].
Unless otherwise stated, sterilize media by autoclaving at 121°C for 15 min.
694 SPIROCHAETA SMAEAGDINAE MEDIUM
Solution A:
| NaCl | 50.0 | g |
| NH4Cl | 1.0 | g |
| K2HPO4 | 0.33 | g |
| KH2PO4 | 0.33 | g |
| KCl | 0.2 | g |
| Yeast extract | 5.0 | g |
| Trace minerals (see Medium No. 151) | 10.0 | ml |
| L-Cysteine·HCl·H2O | 0.5 | g |
| Resazurin | 1.0 | mg |
| Distilled water | 900.0 | ml |
Solution B:
| MgCl2·6H2O | 0.2 | g |
| CaCl2·2H2O | 0.1 | g |
| Distilled water | 50.0 | ml |
Separately autoclave Solutions A and B under a N2-CO2 (4:1, v/v) gas mixture. After cooling, combine both solutions under the same gas mixture and add the following solutions from sterile anaerobic stocks (autoclaved or *filter-sterilized):
| 8% NaHCO3 solution* | 50.0 | ml |
| 5% Na2S·9H2O solution | 4.0 | ml |
Check the final pH of the medium to be 7.0.
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