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Main sol. J151

Internal Solution-ID: S3802

Equipment needed: Anaerobic workbench Filter Autoclave
Compound Amount Unit Conc. [g/L] Conc. [mM]
Salt base solution 1000.0 ml - -
Trace minerals 10.0 ml - -
Citric acid 5.0 mg 0.005 0.026
Yeast extract
(BD-Difco)
1.0 g 0.99 -
Bacto peptone
(BD-Difco)
5.0 g 4.951 -
Sulfur
(powder)
30.0 g 29.703 926.192
Na2S x 9 H2O 0.5 g 0.495 2.061
Resazurin 1.0 mg 9.9e-4 0.004
1 Mix ingredients, except sulfur and Na2S x 9H2O, and adjust pH to 6.5 with H2SO4. Sterilize by filtration under a N2 atmosphere. Steam sulfur for 3 hr on each of 3 successive days. Neutralize Na2S x 9H2O as a 5% solution, and autoclave under a N2 atmosphere. Aseptically and anaerobically add sterile sulfur to the medium. Prior to inoculation, add the sterile Na2S x 9H2O solution, and readjust pH to 6.5, if necessary.
J151 PYROCOCCUS MEDIUM