DSMZ 316 . MOORELLA THERMOACETICA (TYE-CO) MEDIUM

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Equipment needed: Autoclave Gassing station Hungate tubes

Final gas composition: 100 % CO read more

Final pH: 7.0

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ml
Compound Amount Unit
NH4Cl 1.0 g
KH2PO4 0.3 g
Na2HPO4 x 12 H2O 2.8 g
MgCl2 x 6 H2O 0.2 g
Trypticase peptone
(BD BBL)
10.0 g
Yeast extract
(OXOID)
3.0 g
Modified Wolin's mineral solution 10.0 ml
Wolin's vitamin solution 5.0 ml
FeSO4 x 7 H2O
(0.1% w/v in 0.1 N H2SO4)
1.0 ml
Sodium resazurin
(0.1% w/v)
0.5 ml
Na2S x 9 H2O 0.6 g
Distilled water 1000.0 ml
1 Dissolve ingredients (except sulfide), adjust pH to 7.0, bring medium to the boil, then cool to room temperature under 100% carbon monoxide gas. Dispense under same gas atmosphere into anoxic Hungate-type tubes or serum vials to 30% of their volume and autoclave. After sterilization add sulfide from a sterile anoxic stock solution prepared under 100% N2 gas.

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.