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DSMZ

DSMZ 734 . METHANOBREVIBACTER CURVATUS MEDIUM

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

Culture medium recipe

Vol.
×

Main sol. 734 #

ml
Equipment needed: Autoclave Hungate tubes Filter Gassing station Centrifuge
Compound Amount Unit Conc. [g/L] Conc. [mM]
Clarified rumen fluid 400.00 ml - -
NaCl 1.00 g 0.997 17.06
KCl 0.50 g 0.499 6.687
MgCl2 x 6 H2O 0.40 g 0.399 1.962
CaCl2 x 2 H2O 0.10 g 0.1 0.678
NH4Cl 0.30 g 0.299 5.592
KH2PO4 0.20 g 0.199 1.465
Na2SO4 0.15 g 0.15 1.053
Casamino acids
(BD Bacto) 		0.50 g 0.499 -
Yeast extract
(OXOID) 		0.50 g 0.499 -
Nutrient broth
(BD Difco) 		2.00 g 1.994 -
Trace element solution SL-10 1.00 ml - -
Selenite-tungstate solution 1.00 ml - -
Sodium resazurin
(0.1% w/v) 		0.50 ml 5.0e-4 0.002
Na2CO3 1.00 g 0.997 9.407
MOPS
(SIGMA) 		2.10 g 2.094 10.005
Seven vitamins solution 1.00 ml - -
DL-Dithiothreitol
(DTT) 		0.16 g 0.16 1.034
Distilled water 600.00 ml - -
1 Dissolve ingredients (except carbonate, MOPS buffer, vitamins and DTT), bring medium to the boil, then cool to room temperature under 80% H2 and 20% CO2 gas mixture. Dispense under same gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. Add MOPS buffer adjusted to pH 7.2, vitamins and DTT from anoxic stock solutions prepared under 100% N2 gas and sterilized by filtration and carbonate from a sterile anoxic stock solution prepared under 80% N2 and 20% CO2 gas mixture. Adjust pH of complete medium to 7.2, if necessary.

Clarified rumen fluid #

1000
Solution occurs in 28 other media (first defined in Medium 1310).
1 Rumen fluid from cow or sheep (obtained from fistulated animals or abattoir refuse) is filtered through muslin, autoclaved at 121°C for 15 min and then centrifuged at 27,000 g for 20 min. The supernatant is made anoxic by sparging with 100% N2 gas for 15 min, dispensed under same gas atmosphere into anoxic serum vials to 30% of volume and then stored frozen at -20°C.

Trace element solution SL-10 #

1000
Solution occurs in 267 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 180 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 - -

Seven vitamins solution #

1000
Solution occurs in 77 other media (first defined in Medium 503).
Compound Amount Unit Conc. [g/L] Conc. [mM]
Vitamin B12 100 mg 0.1 0.074
p-Aminobenzoic acid 80 mg 0.08 0.583
D-(+)-biotin 20 mg 0.02 0.082
Nicotinic acid 200 mg 0.2 1.625
Calcium pantothenate 100 mg 0.1 0.21
Pyridoxine hydrochloride 300 mg 0.3 1.459
Thiamine-HCl x 2 H2O 200 mg 0.2 0.536
Distilled water 1000 ml - -

Metadata

Last modified: 13.07.23
Source: DSMZ
Taxonomic range:  Archaea
Medium type: Complex medium
Final pH: 7.2
Equipment needed: Autoclave, Centrifuge, 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: 4
Strains with modifications: 2

Molecular composition

Compound Conc. [g/L] Conc. [mM]
MOPS 2.094 10.005
Nutrient broth 1.994 -
NaCl 0.997 17.06
Na2CO3 0.997 9.407
KCl 0.499 6.687
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Cultivation metadata from 4 strains BacDive

pH 6 - 8 1 strain
phyla 2 4 strains
oxygen anaerobe 3 strains
oxygen facultative anaerobe 2 strains
oxygen obligate anaerobe 1 strain
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