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Main sol. 286

Internal Solution-ID: S553

Equipment needed: Autoclave Hungate tubes Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
KH2PO4 1.30 g 1.3 9.553
K2HPO4 7.00 g 7 40.189
MgCl2 x 6 H2O 0.20 g 0.2 0.984
FeCl3 x 6 H2O 0.01 g 0.01 0.037
CaCl2 x 2 H2O 0.01 g 0.01 0.068
Na2MoO4 x 2 H2O
(0.1% w/v)
1.00 ml 1.0e-3 0.004
Yeast extract 3.00 g 3 -
gamma-Aminobutyric acid 5.00 g 5 48.487
Agar 1.50 g 1.5 4.46
Sodium resazurin
(0.1% w/v)
0.50 ml 5.0e-4 -
Na2S x 9 H2O 0.30 g 0.3 1.249
Distilled water 1000.00 ml - -
1 Dissolve ingredients (except sulfide), adjust pH to 7.2, bring medium to the boil, then cool to room temperature under 100% N2 gas. Dispense medium under same gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. After sterilization add sulfide from a sterile anoxic stock solution prepared under 100% N2 gas atmosphere.
286 CLOSTRIDIUM AMINOBUTYRICUM MEDIUM