DSMZ 1301 . TEPIDANAEROBACTER ACETATOXYDANS MEDIUM

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Equipment needed: Autoclave Gassing station Hungate tubes

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

Final pH: 7.0 - 7.2

Select a strain (optional):

ml
Compound Amount Unit
KH2PO4 0.41 g
Na2HPO4 0.43 g
MgCl2 x 6 H2O 0.10 g
CaCl2 x 2 H2O 0.11 g
NaCl 0.30 g
NH4Cl 0.30 g
Trace element solution 1.00 ml
Selenite-tungstate solution 1.00 ml
Yeast extract 0.20 g
Sodium resazurin
(0.1% w/v)
0.50 ml
Na2CO3 1.50 g
D-Glucose 1.80 g
Wolin's vitamin solution 2.00 ml
Na2S x 9 H2O 0.30 g
L-Cysteine HCl x H2O 0.50 g
Distilled water 1000.00 ml
1 Dissolve ingredients (except carbonate, glucose, vitamins and reducing agents) and sparge medium with 80% N2 and 20% CO2 gas mixture for 30 - 45 min to make it anoxic. Dispense medium under same gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Add glucose, vitamins, sulfide and cysteine from sterile anoxic stock solutions prepared under 100% N2 gas and carbonate from a sterile stock solution prepared under 80% N2 and 20% CO2 gas mixture. Adjust pH of the complete medium to 7.0-7.2, if necessary.

Trace element solution #

1000
Compound Amount Unit
Na2-EDTA 0.5 g
FeCl2 x 4 H2O 2.0 g
ZnCl2 70.0 mg
MnCl2 x 4 H2O 100.0 mg
H3BO3 6.0 mg
CoCl2 x 6 H2O 190.0 mg
CuCl2 x 2 H2O 2.0 mg
AlCl3 10.0 mg
NiCl2 x 6 H2O 24.0 mg
Na2MoO4 x 2 H2O 36.0 mg
Distilled water 1000.0 ml
1 First dissolve EDTA in distilled water, adjust pH to 7 using 2 N NaOH and add ferrous chloride. After ferrous chloride has dissolved add remaining compounds.

Selenite-tungstate solution #

1000
Compound Amount Unit
NaOH 0.5 g
Na2SeO3 x 5 H2O 3.0 mg
Na2WO4 x 2 H2O 4.0 mg
Distilled water 1000.0 ml