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Main sol. 1479

Internal Solution-ID: S3029

Equipment needed: Hungate tubes Filter
Compound Amount Unit Conc. [g/L] Conc. [mM]
NaCl 240.0 g 240 4106.78
K2HPO4 2.5 g 2.5 14.353
(NH4)2SO4 0.5 g 0.5 3.784
HEPES 10.0 g 10 41.964
Trace element solution 1.0 ml - -
Sulfur powder 2.0 g 2 7.797
Distilled water 1000.0 ml - -
1 Prepare the liquid medium. Dispense the medium into Hungate tubes or serum bottles under gassing with N2. Steam medium for 3h on each of 3 successive days. Before inoculation add from sterile stock solutions:
MgCl2 x 6 H2O 3.0 mM 0.61 3
NaHCO3 5.0 mM 0.42 5
Sodium formate 50.0 mM 3.4 50
Yeast extract 0.2 g/l 0.2 -
Vitamin mix (pfennig & Lippert,1966) 1.0 ml - -
Disodium sulfide
(1M filter sterilized stock)
1.0 mM - 1
1479 HALODESULFURIARCHAEUM MEDIUM