DSMZ 770 . SULFOPHOBOCOCCUS ZILLIGII MEDIUM

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Equipment needed: Autoclave Filter Gassing station Serum bottle

Final gas composition: 100 % N2 read more

Final pH: 7.5

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ml
Compound Amount Unit
Solution A 970 ml
Solution B 10 ml
Solution C 10 ml
Solution D 5 ml
Solution E 10 ml
1 Dissolve ingredients of solution A except carbonate, sparge with 100% N2 gas for 30 - 45 min to make it anoxic, then add carbonate and adjust pH to 9.0 - 9.3. Dispense under 100% N2 gas atmosphere into anoxic Hungate-type tubes or serum vials (e.g., 30 ml medium per 100 ml bottle) and autoclave. Solutions B and C are autoclaved separately under 100% N2 gas atmosphere. Solutions D and E are prepared under 100% N2 gas and sterilized by filtration. To complete the medium add appropriate amounts of solutions B to E to the sterile solution A in the sequence as indicated. Adjust pH of complete medium to 7.5.
2 Note: Addition of 10 - 20 mg sodium dithionite per liter (e.g. from 5% (w/v) solution, freshly prepared under N2 and filter-sterilized) may stimulate growth at the beginning.
3 For transfers use 10% (v/v) inoculum.

Solution A #

970
Compound Amount Unit
Na2-EDTA 32.0 mg
CaCl2 x 2 H2O 66.0 mg
MgSO4 x 7 H2O 31.0 mg
KCl 31.0 mg
ZnCl2
(0.1% w/v)
2.1 ml
MnSO4 x H2O
(0.1% w/v)
2.3 ml
Na2B4O7 x 10 H2O
(0.1% w/v)
1.8 ml
Glycine 1.5 g
Sodium resazurin
(0.1% w/v)
0.5 ml
Na2CO3 230.0 mg
Distilled water 965.0 ml

Solution B #

10
Compound Amount Unit
Yeast extract 1 g
Distilled water 10 ml

Solution C #

10
Compound Amount Unit
Trypticase peptone
(BD BBL)
1 g
Distilled water 10 ml

Solution D #

5
Compound Amount Unit
FeSO4 x 7 H2O 50 mg
H2SO4
(0.1 N)
5 ml

Solution E #

10
Compound Amount Unit
Dithiothreitol
(DTT)
150 mg
Distilled water 10 ml