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Main sol. J439

Internal Solution-ID: S4185

Equipment needed: Autoclave Anaerobic workbench Hungate tubes Filter
Compound Amount Unit Conc. [g/L] Conc. [mM]
NaCl 1.00 g 0.955 16.343
MgCl2 x 6 H2O 0.40 g 0.382 1.879
CaCl2 x 2 H2O 0.10 g 0.096 0.65
NH4Cl 0.25 g 0.239 4.464
KH2PO4 2.00 g 1.91 14.037
KCl 0.50 g 0.478 6.406
Yeast extract 0.50 g 0.478 -
Na2SO4 4.00 g 3.82 26.897
Trace element solution 1.00 ml - -
Selenite-tungstate solution 1.00 ml - -
Resazurin 1.00 mg 9.6e-4 0.004
Distilled water 1000.00 ml - -
1 Mix components thoroughly and adjust pH to 7.0. Bring to a boil, and cool down under a N2-CO2 (4:1, v/v) gas stream. Distribute the medium into culture vessels (e.g., 10 ml medium in Hungate tubes) under the same gas mixture, seal with butyl rubber stoppers and autoclave. After cooling, anaerobically and aseptically add per liter the following solutions (autoclaved or *filter-sterilized):
Sodium lactate
(1.0 M)
20.00 ml - -
Vitamin solution
(*)
1.00 ml - -
Thiamine solution
(*)
1.00 ml - -
Vitamin B12 solution 0.05 g/L
(*)
1.00 ml - -
NaHCO3
(*, 8.0%)
20.00 ml - -
2 Prior to use, add per liter the following solution (autoclaved and stored under a N2 atmosphere):
Na2S x 9 H2O
(5%)
2.00 ml - -
J439 DESULFOVIBRIO AEROTOLERANS DVO5 MEDIUM