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Main sol. 1085

Internal Solution-ID: S2194

Equipment needed: Hungate tubes Filter Autoclave Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
Casitone
(BD Bacto)
20.00 g 20 -
Yeast extract
(BD Bacto)
5.00 g 5 -
Na2HPO4 5.00 g 5 35.221
MgCl2 x 6 H2O 1.10 g 1.1 5.411
Sodium resazurin
(0.1% w/v)
0.50 ml 5.0e-4 -
Urea 1.00 g 1 16.651
Na-thioglycolate 0.75 g 0.75 6.573
Distilled water 1000.00 ml - -
1 Dissolve ingredients (except urea and thioglycolate), boil medium for 1 min, then cool to room temperature under 80% N2 and 20% CO2 gas mixture. Add thioglycolate, dispense medium under same gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. After autoclaving add urea from a 10% (w/v) stock solution sterilized by filtration and stored under 100% N2 gas. Adjust pH of complete medium to 7.4.
1085 HOWARDELLA MEDIUM