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Main sol. 419

Internal Solution-ID: S850

Equipment needed: Hungate tubes Autoclave Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
K2HPO4 0.25 g 0.25 1.432
KH2PO4 0.25 g 0.25 1.833
(NH4)2SO4 0.50 g 0.499 3.776
MgSO4 x 7 H2O 25.00 mg 0.025 0.101
Trace element solution SL-10 1.00 ml - -
Selenite-tungstate solution 1.00 ml - -
Na-oxalate 5.00 g 4.99 37.239
Na-acetate 0.82 g 0.818 9.976
Yeast extract
(OXOID)
1.00 g 0.998 -
Trypticase peptone
(BD BBL)
1.00 g 0.998 -
Sodium resazurin
(0.1% w/v)
0.50 ml 5.0e-4 0.002
Na2CO3 4.00 g 3.992 37.665
L-Cysteine HCl x H2O 0.50 g 0.499 2.841
Distilled water 1000.00 ml - -
1 Dissolve ingredients except carbonate and cysteine, adjust pH to 6.8, bring medium to the boil and then cool to room temperature under 100% CO2 gas atmosphere. Add solid carbonate and cysteine, then equilibrate pH to 6.8. Dispense under 100% CO2 gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave.
419 OXALOBACTER MEDIUM