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DSMZ

DSMZ 1718 . METHANOSPIRILLUM PURGAMENTI MEDIUM

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

Culture medium recipe

Vol.
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Medium for Methanospirillum purgamenti DSM 3595

This strain uses the standard medium without modifications.

Growth conditions: 3-7 days anaerobic 37 °C

Main sol. 1718 #

ml
Equipment needed: Autoclave Hungate tubes Filter Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
KH2PO4 0.20 g 0.199 1.465
NH4Cl 0.25 g 0.249 4.66
NaCl 1.00 g 0.997 17.06
MgSO4 x 7 H2O 0.40 g 0.399 1.618
KCl 0.50 g 0.499 6.687
CaCl2 x 2 H2O 0.15 g 0.15 1.017
Trace element solution SL-10 1.00 ml - -
Selenite-tungstate solution 1.00 ml - -
Na-acetate 0.80 g 0.798 9.723
Sodium resazurin
(0.1% w/v) 		0.50 ml 5.0e-4 0.002
Na2CO3 1.00 g 0.997 9.407
Wolin's vitamin solution (10x) 1.00 ml - -
Na2S x 9 H2O 0.50 g 0.499 2.076
Distilled water 1000.00 ml - -
1 Dissolve ingredients (except carbonate, vitamins and sulfide) and sparge medium with 80% H2 and 20% CO2 gas mixture for 30 - 45 min to make it anoxic. Then dispense medium under 80% H2 and 20% CO2 gas atmosphere into anoxic Hungate-type tubes or serum vials to 30% of their volume and autoclave. Add vitamins and sulfide from sterile anoxic stock solutions prepared under 100% N2 gas (vitamins are sterilized by filtration) and carbonate from a sterile anoxic stock solution prepared under 80% N2 and 20% CO2 gas mixture. Adjust pH of the complete medium to 6.8 - 7.0, if necessary.
2 After inoculation, pressurize culture vessels with sterile 80% H2 and 20% CO2 gas mixture to 1 bar overpressure.

Trace element solution SL-10 #

1000
Solution occurs in 266 other media (first defined in Medium 320).
Compound Amount Unit Conc. [g/L] Conc. [mM]
HCl
(25%) 		10.0 ml 2.5 68.568
FeCl2 x 4 H2O 1.5 g 1.5 7.545
ZnCl2 70.0 mg 0.07 0.514
MnCl2 x 4 H2O 100.0 mg 0.1 0.505
H3BO3 6.0 mg 0.006 0.097
CoCl2 x 6 H2O 190.0 mg 0.19 1.463
CuCl2 x 2 H2O 2.0 mg 0.002 0.012
NiCl2 x 6 H2O 24.0 mg 0.024 0.185
Na2MoO4 x 2 H2O 36.0 mg 0.036 0.149
Distilled water 990.0 ml - -
1 First dissolve FeCl2 in the HCl, then dilute in water, add and dissolve the other salts. Finally make up to 1000.00 ml.

Selenite-tungstate solution #

1000
Solution occurs in 179 other media (first defined in Medium 385).
Compound Amount Unit Conc. [g/L] Conc. [mM]
NaOH 0.5 g 0.5 12.501
Na2SeO3 x 5 H2O 3.0 mg 0.003 0.011
Na2WO4 x 2 H2O 4.0 mg 0.004 0.012
Distilled water 1000.0 ml - -

Wolin's vitamin solution (10x) #

1000
Solution occurs in 306 other media (first defined in Medium 120).
Compound Amount Unit Conc. [g/L] Conc. [mM]
Biotin 20 mg 0.02 0.082
Folic acid 20 mg 0.02 0.045
Pyridoxine hydrochloride 100 mg 0.1 0.486
Thiamine HCl 50 mg 0.05 0.148
Riboflavin 50 mg 0.05 0.133
Nicotinic acid 50 mg 0.05 0.406
Calcium D-(+)-pantothenate 50 mg 0.05 0.21
Vitamin B12 1 mg 1.0e-3 7.4e-4
p-Aminobenzoic acid 50 mg 0.05 0.365
(DL)-alpha-Lipoic acid 50 mg 0.05 0.242
Distilled water 1000 ml - -

Metadata

Last modified: 27.08.24
Source: DSMZ
Synonyms: METHANOSPIRILLUM F.2.7.3 MEDIUM
Medium type: Defined medium
Final pH: 6.8 - 7.0
Equipment needed: Autoclave, Filter, Gassing station, Hungate tubes
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Gas composition

  • 80 % H2
  • 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: 3
Methanospirillum purgamenti DSM 3595

No modifications necessary for this strain.

Molecular composition

Compound Conc. [g/L] Conc. [mM]
NaCl 0.997 17.06
Na2CO3 0.997 9.407
Na-acetate 0.798 9.723
KCl 0.499 6.687
Na2S x 9 H2O 0.499 2.076
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Cultivation metadata from 3 strains BacDive

phyla 1 3 strains
oxygen anaerobe 2 strains
temperature mesophilic 2 strains