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Main sol. 144b

Internal Solution-ID: S252

Equipment needed: Autoclave Filter Hungate tubes Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
NH4Cl 0.90 g 0.9 16.826
NaCl 0.90 g 0.9 15.4
MgCl2 x 6 H2O 0.10 g 0.1 0.492
CaCl2 x 2 H2O 0.05 g 0.05 0.34
K2HPO4 0.40 g 0.4 2.297
Trace element solution 10.00 ml - -
Yeast extract 3.00 g 3 -
Trypticase peptone
(BD BBL)
10.00 g 10 -
Sodium resazurin
(0.1% w/v)
0.50 ml 5.0e-4 -
Na2CO3 2.00 g 2 18.87
Wolin's vitamin solution 5.00 ml - -
D-Glucose 5.00 g 5 27.753
Na2S x 9 H2O 1.00 g 1 4.164
Distilled water 1000.00 ml - -
1 Dissolve ingredients (except carbonate, vitamins, glucose and sulfide), sparge medium with 80% N2 and 20% CO2 gas for 30 - 45 min to make it anoxic. Dispense medium under same gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Add glucose, vitamins (sterilized by filtration) and sulfide from sterile anoxic stock solutions prepared under 100% N2 gas and carbonate from a sterile anoxic stock solution prepared under 80% N2 and 20% CO2. Adjust pH of complete medium to 7.2 - 7.4.
144b CALDICELLULOSIRUPTOR OWENSIS MEDIUM