DSMZ 1328 . DEFLUVIITOGA MEDIUM

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

Culture medium recipe

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Medium for Mesotoga prima DSM 24444

* Modification: Omit Trypticase peptone and fumarate. Increase amount of yeast extract to 2.0 g/l and supplement medium with 0.2 g/l Na-acetate and 0.6 g/l DL-lactate added after autoclaving from sterile anoxic stock solutions prepared under 100% N2 gas.


Growth conditions: 3-7 days anaerobic 37 °C
Equipment needed: Autoclave Hungate tubes Gassing station
Compound Amount Unit Conc. [g/L] Conc. [mM]
KH2PO4 0.3 g 0.3 2.205
K2HPO4 0.3 g 0.3 1.722
NH4Cl 1.0 g 1 18.695
NaCl 1.0 g 1 17.112
KCl 0.1 g 0.1 1.341
MgCl2 x 6 H2O 0.5 g 0.5 2.459
CaCl2 x 2 H2O 0.1 g 0.1 0.68
Trace element solution SL-10 1.0 ml - -
Yeast extract*
(OXOID)
2.0 g - -
Sodium resazurin
(0.1% w/v)
0.5 ml 5.0e-4 -
Sulfur
(powdered)
10.0 g 10 311.818
L-Cysteine HCl x H2O 0.5 g 0.5 2.847
Trypticase peptone*
(BD BBL)
2.0 g 2 -
Na2-fumarate* 3.2 g 3.2 19.996
Na2CO3 1.0 g 1 9.435
Na2S x 9 H2O 0.5 g 0.5 2.082
Na acetate* 0.2 g - -
Na-DL-lactate* 0.6 g - -
Distilled water 1000.0 ml - -
1 Dissolve ingredients (except sulfur, cysteine, peptone, fumarate, carbonate and sulfide) and sparge medium with 80% N2 and 20% CO2 gas mixture for 30 - 45 min to make it anoxic. Add and dissove cysteine, then dispense under 80% N2 and 20% CO2 gas atmosphere into anoxic Hungate-type tubes or serum vials containing already the appropriate amount of sulfur and autoclave at 121°C for 20 min. Add peptone, fumarate and sulfide from sterile anoxic stock solutions prepared under 100% N2 gas and carbonate from a sterile anoxic stock solution prepared under 80% N2 and 20% CO2 gas mixture. Adjust pH of the complete medium to 7.0.
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.

Metadata

Last modified: 25.08.23
Source: DSMZ
Taxonomic range:  Bacteria
Medium type: Complex medium
Final pH: 7.0
Equipment needed: Autoclave, 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
Strains with modifications: 3
Mesotoga prima DSM 24444

  Trypticase peptone
  Yeast extract
  Na2-fumarate
  2 g Yeast extract
  0.2 g Na acetate
  0.6 g Na-DL-lactate

Molecular composition
* modified beta

Compound Conc. [g/L] Conc. [mM]
Sulfur 10 311.818
Na2-fumarate 3.2 19.996
Yeast extract 2 -
NH4Cl 1 18.695
NaCl 1 17.112
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Cultivation metadata from 4 strains BacDive

pH 6 - 8 2 strains
phyla 1 4 strains
oxygen anaerobe 3 strains
temperature thermophilic 3 strains