DSMZ 141a . METHANOCOCCUS SP. MEDIUM

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

Culture medium recipe

Vol.
×
Equipment needed: Filter Autoclave Hungate tubes Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
KCl 0.34 g 0.34 4.561
MgCl2 x 6 H2O 4.00 g 4 19.675
MgSO4 x 7 H2O 3.45 g 3.45 13.997
NH4Cl 0.25 g 0.25 4.674
CaCl2 x 2 H2O 0.14 g 0.14 0.952
K2HPO4 0.14 g 0.14 0.804
NaCl 18.00 g 18 308.008
Modified Wolin's mineral solution 10.00 ml - -
Fe(NH4)2(SO4)2 x 6 H2O
(0.1% w/v)
2.00 ml 0.002 -
Na-acetate 1.00 g 1 12.19
Sodium resazurin
(0.1% w/v)
0.50 ml 5.0e-4 -
Wolin's vitamin solution 10.00 ml - -
L-Cysteine HCl x H2O 0.50 g 0.5 2.847
Na2S x 9 H2O 0.50 g 0.5 2.082
Distilled water 1000.00 ml - -
1 Dissolve ingredients (except vitamins, cysteine and sulfide), sparge medium with 80% H2 and 20% CO2 gas mixture to reach a pH below 6 (at least 30 min), then dispense medium under same gas atmosphere into anoxic Hungate-type tubes or serum vials to 30% of their volume and autoclave. After sterilization add cysteine and sulfide from sterile anoxic stock solutions autoclaved under 100% N2 gas atmosphere. Vitamins are prepared under 100% N2 gas atmosphere and sterilized by filtration. For incubation use sterile 80% H2 and 20% CO2 gas mixture at two atmospheres of pressure. Adjust pH of final medium to 5.5 - 5.7.
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: 22.02.22
Source: DSMZ
Taxonomic range:  Archaea
Medium type: Defined medium
Final pH: 5.5 - 5.7
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: 1

Molecular composition

Compound Conc. [g/L] Conc. [mM]
MgCl2 x 6 H2O 4 19.675
Na-acetate 1 12.19
L-Cysteine HCl x H2O 0.5 2.847
Na2S x 9 H2O 0.5 2.082
KCl 0.34 4.561
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Cultivation metadata from 1 strains BacDive

phyla 1 1 strain
oxygen anaerobe 1 strain
temperature thermophilic 1 strain