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Main sol. 930

Internal Solution-ID: S1919

Equipment needed: Filter Autoclave Anaerobic workbench
Compound Amount Unit Conc. [g/L] Conc. [mM]
KH2PO4 0.20 g 0.2 1.47
MgCl2 x 6 H2O 0.10 g 0.1 0.492
NH4Cl 1.00 g 1 18.695
KCl 0.20 g 0.2 2.683
NaCl 80.00 g 80 1368.93
Na2CO3 6.83 g 6.83 64.441
NaHCO3 3.83 g 3.83 45.591
Na2S x 9 H2O 0.20 g 0.2 0.833
Yeast extract 0.20 g 0.2 -
Histidine 5.00 g 5 32.227
Wolin's vitamin solution 2.00 ml - -
Modified Wolin's mineral solution II 1.00 ml - -
Resazurin 1.00 mg 1.0e-3 0.004
Distilled water 1000.00 ml - -
1 Final pH 8.9
2 Prepare the medium without adding the vitamins, histidine, yeast extract, NH4Cl, Na2CO3, and NaHCO3 using anaerobic conditions, under nitrogen. If the medium has been boiled to remove oxygen add the NH4Cl, Na2CO3, and NaHCO3 after the medium had cooled. Dispense into tubes stopper with rubber stoppers (serum tubes or bottles, or screw capped tubes). Autoclave, and to the cooled medium add the vitamins (filter sterilised under N2), histidine, yeast extract, and Na2S x 9 H2O from anaerobic, sterile stock solutions.
930 NATRONINCOLA HISTIDINOVORANS MEDIUM