DSMZ 579 . GEOBACTER MEDIUM

Official DSMZ medium: This medium was manually curated by experts from the DSMZ.

Culture medium recipe

Vol.
×
Equipment needed: Autoclave Hungate tubes Filter Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
Fe(III) citrate 13.70 g 13.7 55.931
NH4Cl 1.50 g 1.5 28.043
NaH2PO4 0.60 g 0.6 5.001
KCl 0.10 g 0.1 1.341
Na-acetate 2.50 g 2.5 30.475
Modified Wolin's mineral solution 10.00 ml - -
Na2WO4 x 2 H2O
(0.1% w/v)
0.25 ml 2.5e-4 7.6e-4
NaHCO3 2.50 g 2.5 29.759
Wolin's vitamin solution 10.00 ml - -
Distilled water 980.00 ml - -
1 First dissolve ferric citrate in water by heating and adjust to pH 6.0, then add other medium ingredients except bicarbonate and vitamins. Sparge medium with 80% N2 and 20% CO2 gas mixture for 30 - 45 min to make it anoxic, then add and dissolve bicarbonate and adjust pH to 6.8. Thereafter, dispense medium under 80% N2 and 20% CO2 gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Add vitamins to the sterile medium from an anoxic stock solution prepared under 100% N2 gas and sterilized by filtration. Adjust pH of complete medium to 6.7 - 7.0, if necessary.
2 Note: Use 5 - 10% (v/v) inoculum.
Solution occurs in 170 other media (first defined in Medium 141).
Compound Amount Unit Conc. [g/L] Conc. [mM]
Nitrilotriacetic acid 1.50 g 1.5 7.848
MgSO4 x 7 H2O 3.00 g 3 12.172
MnSO4 x H2O 0.50 g 0.5 2.958
NaCl 1.00 g 1 17.112
FeSO4 x 7 H2O 0.10 g 0.1 0.36
CoSO4 x 7 H2O 0.18 g 0.18 1.161
CaCl2 x 2 H2O 0.10 g 0.1 0.68
ZnSO4 x 7 H2O 0.18 g 0.18 0.626
CuSO4 x 5 H2O 0.01 g 0.01 0.04
AlK(SO4)2 x 12 H2O 0.02 g 0.02 0.042
H3BO3 0.01 g 0.01 0.162
Na2MoO4 x 2 H2O 0.01 g 0.01 0.041
NiCl2 x 6 H2O 0.03 g 0.03 0.231
Na2SeO3 x 5 H2O 0.30 mg 3.0e-4 0.001
Na2WO4 x 2 H2O 0.40 mg 4.0e-4 0.001
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.
Solution occurs in 357 other media (first defined in Medium 141).
Compound Amount Unit Conc. [g/L] Conc. [mM]
Biotin 2.0 mg 0.002 0.008
Folic acid 2.0 mg 0.002 0.005
Pyridoxine hydrochloride 10.0 mg 0.01 0.049
Thiamine HCl 5.0 mg 0.005 0.015
Riboflavin 5.0 mg 0.005 0.013
Nicotinic acid 5.0 mg 0.005 0.041
Calcium D-(+)-pantothenate 5.0 mg 0.005 -
Vitamin B12 0.1 mg 1.0e-4 7.4e-5
p-Aminobenzoic acid 5.0 mg 0.005 0.036
(DL)-alpha-Lipoic acid 5.0 mg 0.005 0.024
Distilled water 1000.0 ml - -

Metadata

Last modified: 24.03.22
Source: DSMZ
Taxonomic range:  Bacteria
Medium type: Defined medium
Final pH: 6.7 - 7.0
Equipment needed: Autoclave, Filter, Gassing station, Hungate tubes
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Gas composition

  • 80 % N2
  • 20 % CO2

Detailed instructions for the cultivation of anaerobes including important warnings can be found in the cultivation instructions .

Associated strains

All strains for this medium: 4

Molecular composition

Compound Conc. [g/L] Conc. [mM]
Fe(III) citrate 13.7 55.931
Na-acetate 2.5 30.475
NaHCO3 2.5 29.759
NH4Cl 1.5 28.043
NaH2PO4 0.6 5.001
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Cultivation metadata from 4 strains BacDive

pH 6 - 8 1 strain
phyla 1 4 strains
oxygen anaerobe 4 strains
temperature mesophilic 4 strains