Strain modifications for Medium 507
5 distinct modifications were found.
Adjust pH of complete medium to 6.0.
Supplement medium with 0.20 g/l Na-lactate. Change gas phase to 100% carbon monoxide prior to inoculation, but do not use excess pressure.
Supplement medium with 1.00 ml/l selenite-tungstate solution (see medium 385).
Supplement medium with 10.00 g/l sulfur and increase amount of yeast extract to 1.00 g/l. Sulfur is sterilized separately by steaming for 3 h on each of three successive days.
Supplement medium with 2.00 g/l Na-pyruvate and omit sulfide. Adjust final pH of medium to 6.2. Change gas phase to 100% carbon monoxide prior to inoculation, but do not use excess pressure.