DSMZ 853a . FUSIBACTER TUNISIENSIS MEDIUM

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Equipment needed: Autoclave Gassing station Hungate tubes

Final gas composition: 80 % N2 20 % CO2 read more

Final pH: 7.2 - 7.4

Select a strain (optional):

ml
Compound Amount Unit
NH4Cl 1.00 g
K2HPO4 0.30 g
KH2PO4 0.30 g
MgCl2 x 6 H2O 3.00 g
CaCl2 x 2 H2O 0.10 g
KCl 1.00 g
NaCl 70.00 g
Yeast extract
(OXOID)
1.00 g
Trypticase peptone
(BD BBL)
1.00 g
Na-acetate x 3 H2O 0.50 g
Modified Wolin's mineral solution 10.00 ml
Sodium resazurin
(0.1% w/v)
0.50 ml
Na2S2O3 x 5 H2O 3.16 g
L-Cysteine HCl x H2O 0.50 g
Na2CO3 1.50 g
D-Glucose 3.60 g
Na2S x 9 H2O 0.30 g
Distilled water 1000.00 ml
1 Dissolve ingredients, except thiosulfate, cysteine, carbonate, glucose, and sulfide, then sparge medium for 30 - 45 min with 80% N2 and 20% CO2 gas mixture to make it anoxic. Add thiosulfate and cysteine, then adjust pH to 7.0 and dispense medium under 80% N2 and 20% CO2 gas atmosphere into anoxic Hungate-type tubes or serum vials to 30% of their volume and autoclave. After autoclaving, add glucose 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 gas atmosphere. Adjust the pH of the complete medium to 7.2 - 7.4, if necessary.

Modified Wolin's mineral solution #

1000
Compound Amount Unit
Nitrilotriacetic acid 1.50 g
MgSO4 x 7 H2O 3.00 g
MnSO4 x H2O 0.50 g
NaCl 1.00 g
FeSO4 x 7 H2O 0.10 g
CoSO4 x 7 H2O 0.18 g
CaCl2 x 2 H2O 0.10 g
ZnSO4 x 7 H2O 0.18 g
CuSO4 x 5 H2O 0.01 g
AlK(SO4)2 x 12 H2O 0.02 g
H3BO3 0.01 g
Na2MoO4 x 2 H2O 0.01 g
NiCl2 x 6 H2O 0.03 g
Na2SeO3 x 5 H2O 0.30 mg
Na2WO4 x 2 H2O 0.40 mg
Distilled water 1000.00 ml
1 First dissolve nitrilotriacetic acid and adjust pH to 6.5 with KOH, then add minerals. Adjust final to pH 7.0 with KOH.