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Main sol. J545

Internal Solution-ID: S4353

Equipment needed: Autoclave Hungate tubes Filter
Compound Amount Unit Conc. [g/L] Conc. [mM]
KH2PO4 0.3 g 0.297 2.183
K2HPO4 0.3 g 0.297 1.705
NH4Cl 1.0 g 0.99 18.51
NaCl 1.0 g 0.99 16.942
Na2SO4 3.0 g 2.97 20.912
KCl 0.1 g 0.099 1.328
CaCl2 0.1 g 0.099 0.892
MgCl2 x 6 H2O 0.5 g 0.495 2.435
Yeast extract 0.1 g 0.099 -
Sodium lactate 1.0 g 0.99 8.835
Trace element solution 10.0 ml - -
NaHCO3 2.0 g 1.98 23.572
L-Cysteine HCl x H2O 0.5 g 0.495 -
Na2S x 9 H2O 0.4 g 0.396 1.649
Resazurin 1.0 mg 9.9e-4 0.004
Distilled water 1000.0 ml - -
1 Mix ingredients except NaHCO3, L-cysteine x HCl x H2O and Na2S x 9H2O and adjust pH to 7.2. Distribute the medium into tubes (e.g., 5 ml of the medium in the Hungate tubes) under a N2 x CO2 gas mixture (4:1, v/v), seal with butyl rubber stoppers and autoclave. After cooling, add solutions of NaHCO3 [5%, filter-sterilized and stored under a N2-CO2 (4:1, v/v) gas mixture], L-cysteine x HCl x H2O and Na2S x 9H2O (5%, autoclaved and stored under N2) to the medium.
J545 DESULFOTOMACULUM Lam5 MEDIUM