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Main sol. 1668

Internal Solution-ID: S3459

Equipment needed: Hungate tubes Anaerobic workbench
Compound Amount Unit Conc. [g/L] Conc. [mM]
Yeast extract 0.5 g 1 -
Tryptone 0.5 g 1 14.069
Stock A: Salt solution 2x (50 ml stock per 100 ml medium) 250.0 ml - -
Stock B: Salt solution 200x (0,5 ml stock per 100 ml medium) 2.5 ml - -
Distilled water 250.0 ml - -
L-Cysteine HCl 1.0 g/l 1 6.344
1 To make medium anoxic boil it, cool under N2CO2 gas atmosphere, add 1 g/l L-cysteine hydrochloride and adjust pH to 6.8. Finally gas over with N2 . Dispense under N2CO2 into suitable vessels for anaerobic growth (serum bottles or Hungate tubes sealed with rubber stoppers) and sterilize by autoclaving.
1668 MDM (modified dehority medium)