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DSMZ

DSMZ 1236 . SPOROLITUUS MEDIUM

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

Culture medium recipe

Vol.
×

Main sol. 1236 #

ml
Equipment needed: Filter Autoclave Hungate tubes Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
KH2PO4 0.75 g 0.739 5.43
K2HPO4 1.50 g 1.478 8.485
NaCl 0.90 g 0.887 15.173
MgCl2 x 6 H2O 0.20 g 0.197 0.969
NH4Cl 0.90 g 0.887 16.577
Modified Wolin's mineral solution 9.00 ml - -
Tryptone
(BD Bacto) 		2.00 g 1.97 -
Yeast extract
(OXOID) 		2.00 g 1.97 -
FeSO4 x 7 H2O solution (0.1% w/v) 0.50 ml - -
Sodium resazurin
(0.1% w/v) 		0.50 ml 4.9e-4 0.002
Sodium citrate 2.00 g 1.97 7.635
Wolin's vitamin solution 5.00 ml - -
Na2S x 9 H2O 0.30 g 0.296 1.231
Distilled water 1000.00 ml - -
1 Dissolve ingredients (except ferrous sulfate, citrate, vitamins and sulfide), adjust pH to 6.5 and sparge medium with 100% N2 gas for 30 - 45 min to make it anoxic. Add ferrous sulfate and dispense medium under 100% N2 gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Add citrate, vitamins (sterilized by filtration) and sulfide from sterile anoxic stock solutions prepared under 100% N2 gas and adjust pH of complete medium to 7.0, if necessary.

Modified Wolin's mineral solution #

1000
Solution occurs in 166 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.

Wolin's vitamin solution #

1000
Solution occurs in 53 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 0.021
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 - -

FeSO4 x 7 H2O solution (0.1% w/v) #

1000
Solution occurs in 13 other media (first defined in Medium 119).
Compound Amount Unit Conc. [g/L] Conc. [mM]
FeSO4 x 7 H2O 1 g 1 3.597
H2SO4
(0.1 N) 		1000 ml - -
1 The ferrous sulfate solution is not stable and should be freshly prepared.

Metadata

Last modified: 14.04.22
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: 2
Strains with modifications: 1

Molecular composition

Compound Conc. [g/L] Conc. [mM]
Tryptone 2 28.137
Sodium citrate 2 7.75
Yeast extract 2 -
K2HPO4 1.5 8.612
NH4Cl 0.9 16.826
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Cultivation metadata from 2 strains BacDive

pH 6 - 8 2 strains
pH 4 - 6 1 strain
pH 8 - 10 1 strain
phyla 1 2 strains
oxygen anaerobe 2 strains
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