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Main sol. 861a

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Internal Solution-ID: S1770

Equipment needed: Gassing station Serum bottle Autoclave Filter
Compound Amount Unit Conc. [g/L] Conc. [mM]
Solution A 952 ml - -
Solution B 30 ml - -
Solution C 10 ml - -
Solution D 1 ml - -
Solution E 10 ml - -
Solution F 1 ml - -
1 Solution A is sparged with 80% N2 and 20% CO2 gas mixture to reach a pH below 6 (at least 30 – 45 min), then dispensed under the same gas atmosphere into serum vials (use at least bottles of 50 ml volume filled with 30 ml medium) and autoclaved. Solutions B and F are prepared under 80% N2 and 20% CO2 gas atmosphere and sterilized. Sterile solutions C, D and E are prepared under 100% N2 gas. Solutions D and F are sterilized by filtration. To complete the medium appropriate amounts of solutions B to F are added to the sterile solution A in the sequence as indicated. Final pH of the medium should be 7.0 - 7.2.
2 Note: For transfer of cultures use at least 10% (v/v) inoculum.
861a DESULFOTALEA PSYCHROPHILA MEDIUM