DSMZ 935a . DEFERRIBACTER DESULFURICANS MEDIUM

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

Culture medium recipe

Vol.
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Equipment needed: Hungate tubes Filter Autoclave Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
NH4Cl 0.33 g - -
KCl 0.33 g - -
CaCl2 x 2 H2O 0.33 g - -
MgCl2 x 6 H2O 0.33 g - -
KH2PO4 0.33 g - -
NaCl 25.00 g - -
Modified Wolin's mineral solution 10.00 ml - -
KNO3 0.50 g - -
Na-acetate 2.00 g - -
Yeast extract 0.15 g - -
NaHCO3 0.30 g - -
Wolin's vitamin solution 10.00 ml - -
Distilled water 1000.00 ml - -
1 Dissolve ingredients (except bicarbonate and vitamins), then sparge medium with 100% N2 gas for 30 - 45 min to make it anoxic. Adjust pH to 7.0 and dispense medium under same gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Add vitamins from an anoxic stock solution prepared under 100% N2 gas and sterilized by filtration and bicarbonate from a sterile anoxic stock solution prepared under 80% N2 and 20% CO2 gas atmosphere. The pH of the complete medium should be 7.0.
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: 25.08.22
Source: DSMZ
Taxonomic range:  Bacteria
Medium type: Complex medium
Final pH: 7.0
Equipment needed: Autoclave, Filter, Gassing station, Hungate tubes
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Gas composition

  • 100 % N2

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

Associated strains

All strains for this medium: 1

Molecular composition

Compound Conc. [g/L] Conc. [mM]
Na-acetate 1.961 23.902
KNO3 0.49 4.848
NH4Cl 0.324 6.048
KCl 0.324 4.34
KH2PO4 0.324 2.377
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Cultivation metadata from 1 strains BacDive

pH 4 - 6 1 strain
pH 6 - 8 1 strain
phyla 1 1 strain
nutrition heterotroph 1 strain
oxygen anaerobe 1 strain
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