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Main sol. 1291

Internal Solution-ID: S2588

Equipment needed: Hungate tubes Filter Autoclave
Compound Amount Unit Conc. [g/L] Conc. [mM]
Gellan Gum
(Phytagel)
0.50 g 0.5 -
(NH4)2SO4 4.00 g 4 30.271
K2HPO4 0.45 g 0.45 2.584
CaCl2 x 2 H2O 0.15 ml - -
Trace element solution SL-11 1.00 ml - -
MgCl2 x 6 H2O 1.00 g 1 4.919
Yeast extract 0.01 g 0.01 -
Seven vitamins solution 1.00 ml - -
Distilled water 1000.00 ml - -
1 Add gellan gum and boil to dissolve. Then add the remaining ingredients (except magnesium chloride, yeast extract and vitamins), adjust the pH value to 5.0 to 5.3 and fill the medium under an air atmosphere into tubes of the Hungate type or similar vials up to 30% their volume. After autoclaving add magnesium chloride, yeast extract and vitamins from steril stock solutions. Vitamins should be sterilized by filtration.
2 Note: Incubation with shaking may improve cell yield.
1291 CHTHONOMONAS MEDIUM