DSMZ 88 . SULFOLOBUS MEDIUM

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* Medium for Metallosphaera prunae DSM 10039

Reduce the amount of yeast extract to 0.20 g/l and supplement the medium with 5.00 g/l powdered sulfur. Sterilize sulfur separately by steaming for 3 hours on each of 3 successive days (see medium 35) and add aseptically to the autoclaved medium.


Growth conditions: 75 °C
Equipment needed: Autoclave

Final pH: 2.0

Select a strain (optional):

ml
Compound Amount Unit
(NH4)2SO4 1.30 g
KH2PO4 0.28 g
MgSO4 x 7 H2O 0.25 g
CaCl2 x 2 H2O 0.07 g
FeCl3 x 6 H2O 0.02 g
Allen's trace element solution 10.00 ml
Yeast extract
(OXOID)
0.20 g
Sulfur powder 5.00 g
Distilled water 1000.00 ml
1 Dissolve ingredients (except yeast extract or other substrates), adjust pH of the salt solution at room temperature to 2.0 using 10 N H2SO4 and autoclave. Yeast extract and other organic substrates are sterilized separately by autoclaving of a 10% (w/v) stock solution at neutral pH.

Allen's trace element solution #

1000
Compound Amount Unit
MnCl2 x 4 H2O 180 mg
Na2B4O7 x 10 H2O 450 mg
ZnSO4 x 7 H2O 22 mg
CuCl2 x 2 H2O 5 mg
Na2MoO4 x 2 H2O 3 mg
VOSO4 x 2 H2O 3 mg
CoSO4 x 7 H2O 1 mg
Distilled water 1000 ml
1 Adjust pH of final solution to 2 with 1 N HCl.