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Main sol. 1344

Internal Solution-ID: S2699

Equipment needed: Filter Autoclave Anaerobic workbench
Compound Amount Unit Conc. [g/L] Conc. [mM]
Taps 17.4 g 17.4 -
Yeast extract 0.1 g 0.1 -
Sodium acetate 1.0 g 1 12.191
Disodium succinate 1.0 g 1 6.171
Na2S2O3 x 5 H2O 0.1 g 0.1 0.403
CaCl2 x 2 H2O 75.0 mg 0.075 0.51
MgSO4 x 7 H2O 0.2 g 0.2 0.811
NH4Cl 0.5 g 0.5 9.348
KH2PO4 0.5 g 0.5 3.674
Na2-EDTA 5.0 mg 0.005 0.015
Trace elements (A) 1.0 ml - -
Neutralized sulfide solution (B) 30.0 ml - -
Bicarbonate solution (C) 30.0 ml - -
Vitamin solution (D) 1.0 ml - -
Vitamin B12
(0.01%)
0.4 ml 4.0e-5 3.0e-5
Distilled water 1000.0 ml - -
1 pH 8.3
2 Mix ingredients vitamin B12, vitamin mixture, bicarbonate solution and neutralized sulfide solution. Dispense the medium into suitable culture vessels under a stream of nitrogen gas, seal with butyl rubber stoppers and autoclave at 121°C for 15 min. Separately autoclave neutralized sulfide solution under a N2 atmosphere. Sterilize Vitamin B12 solution, vitamin mixture, bicarbonate solution by filtration. Prior to inoculation, aseptically and anaerobically add vitamin B12 solution, vitamin mixture, bicarbonate solution and neutralized sulfide solution.
1344 LYU03 Medium