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DSMZ

DSMZ 503e . THERMODESULFITIMONAS MEDIUM

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

Culture medium recipe

Vol.
×

Main sol. 503e #

ml
Equipment needed: Gassing station Hungate tubes Autoclave Filter
Compound Amount Unit Conc. [g/L] Conc. [mM]
Solution A 962 ml - -
Solution B 20 ml - -
Solution C 1 ml - -
Solution D 10 ml - -
Solution E 10 ml - -
1 Sparge solution A with 100% CO2 gas for 30 – 45 min to make it anoxic, distribute under the same gas atmosphere into anoxic Hungate-type tubes or serum vials to 30% of their volume and autoclave. Solution B is autoclaved separately under 80% N2 and 20% CO2 gas atmosphere. Solutions C, D and E are prepared under 100% N2 gas and sterilized by filtration. To complete the medium appropriate amounts of solutions B to E are added to the sterile solution A in the sequence as indicated. Adjust the pH of the complete medium to 6.0 - 6.5, if necessary.
2 The addition of 10 - 20 mg sodium dithionite per liter (e.g. from 5% (w/v) solution, freshly prepared under N2 and filter-sterilized) may stimulate growth at the beginning. For transfers use 5 - 10% (v/v) inoculum.
3 After inoculation add sterile H2 gas to 1 bar overpressure.

Solution A #

962
Compound Amount Unit Conc. [g/L] Conc. [mM]
KH2PO4 0.20 g 0.208 1.528
NH4Cl 0.25 g 0.26 4.858
NaCl 1.00 g 1.04 17.788
MgCl2 x 6 H2O 0.40 g 0.416 2.045
KCl 0.50 g 0.52 6.972
CaCl2 x 2 H2O 0.15 g 0.156 1.061
Trace element solution SL-10 1.00 ml - -
Selenite-tungstate solution 1.00 ml - -
Sodium resazurin
(0.1% w/v) 		0.50 ml 5.2e-4 0.002
Distilled water 960.00 ml - -

Solution B #

20
Compound Amount Unit Conc. [g/L] Conc. [mM]
Na2CO3 1 g 50 471.752
Distilled water 20 ml - -

Solution C #

1
Compound Amount Unit Conc. [g/L] Conc. [mM]
Wolin's vitamin solution (10x) 1 ml - -

Solution D #

10
Compound Amount Unit Conc. [g/L] Conc. [mM]
Na2SO3 0.6 g 60 476.002
Distilled water 10.0 ml - -

Solution E #

10
Compound Amount Unit Conc. [g/L] Conc. [mM]
Solution F 10 ml - -

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 - -

Solution F #

10
Solution occurs in 1 other media (first defined in Medium 916).
Compound Amount Unit Conc. [g/L] Conc. [mM]
FeCl2 x 4 H2O 0.52 g 52 261.554
Distilled water 10.00 ml - -
1 Adjust to pH 2 with HCl.

Metadata

Last modified: 16.05.24
Source: DSMZ
Taxonomic range:  Bacteria
Medium type: Defined medium
Final pH: 6.0 - 6.5
Equipment needed: Autoclave, Filter, Gassing station, Hungate tubes
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Gas composition

  • 50 % CO2
  • 50 % H2

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]
Na2CO3 0.997 9.407
NaCl 0.997 17.06
Na2SO3 0.598 4.746
FeCl2 x 4 H2O 0.518 2.608
KCl 0.499 6.687
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Cultivation metadata from 1 strains BacDive

pH 4 - 6 1 strain
pH 6 - 8 1 strain
pH 8 - 10 1 strain
phyla 1 1 strain
nutrition chemolithoautotroph 1 strain
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