| Compound | Amount | Unit | Conc. [g/L] | Conc. [mM] | |
|---|---|---|---|---|---|
| NaCl | 0.100 | g | 0.1 | 1.708 | |
| MgCl2 x 6 H2O | 0.040 | g | 0.04 | 0.196 | |
| KCl | 0.050 | g | 0.05 | 0.669 | |
| CaCl2 x 2 H2O | 0.015 | g | 0.015 | 0.102 | |
| Na2SO4 | 0.016 | g | 0.016 | 0.112 | |
| Distilled water | 993.000 | ml | - | - | |
| 1 Mix components and autoclave. After cooling, add the following solutions (autoclaved or filter-sterilized) to the medium: | |||||
|
HEPES buffer
(pH 7.0, 2 M) |
5.000 | ml | - | - | |
|
1 M Phosphate buffer
(pH 7.2, 1 M) |
0.150 | ml | - | - | |
|
KNO3
(0.09 M) |
0.544 | ml | - | - | |
| FeCl2 solution | 1.000 | ml | - | - | |
| Trace element solution | 1.000 | ml | - | - | |
|
Vitamin solution
(filter-sterilized) |
1.000 | ml | - | - | |
| 2 Distribute the culture medium into culture tubes (leave >80% volume as a gas phase) and seal with butyl rubber stoppers. | |||||
| 3 Finally, replace the gas phase with 20% methane and 5% CO2 in air (by volume). | |||||
| J556 | METHYLOSOMA DIFFICILE MEDIUM |