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Main sol. 634a

Internal Solution-ID: S1353

Equipment needed: Autoclave Hungate tubes Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
dehydrated RCM medium 38.0 g 38 -
Casamino acids 15.0 g 15 -
Sodium resazurin
(0.1% w/v)
0.5 ml 5.0e-4 0.002
Distilled water 1000.0 ml - -
1 Dissolve dehydrated RCM medium (available from BD BBL, OXOID or MERCK) and Casamino acids (15.0 g/l) in distilled water and add 0.5 ml/l Na-resazurin solution (0.1% w/v), bring to the boil and cool to room temperature while sparging with 100% N2 gas. Dispense the medium into anoxic Hungate-type tubes or serum vials and autoclave. Adjust pH of complete medium to 6.8.
634a RCM MEDIUM (with Casamino acids)