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DSMZ

DSMZ 730 . FERROGLOBUS PLACIDUS MEDIUM

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

Culture medium recipe

Vol.
×

Main sol. 730 #

ml
Equipment needed: Gassing station Serum bottle Autoclave Filter
Compound Amount Unit Conc. [g/L] Conc. [mM]
Solution A 950 ml - -
Solution B 30 ml - -
Solution C 1 ml - -
Solution D 10 ml - -
Solution E 10 ml - -
1 Sparge solution A with 80% H2 and 20% CO2 gas mixture for 30 - 45 min to make it anoxic, then dispense under same gas atmosphere into anoxic serum vials to 10% volume (e.g., 10 ml medium in 100 ml bottle) and autoclave. Solution B is autoclaved separately after sparging with 80% N2 and 20% CO2 gas mixture. Solution C and D are prepared under 100% N2 gas atmosphere and sterilized by filtration. Solution E is autoclaved under 100% N2 gas atmosphere. To complete the medium add appropriate amounts of solutions B to E to the sterile solution A in the sequence as indicated.
2 Adjust pH of complete medium to 7.2, if necessary.
3 Note: Cultures are very sensitive to the nitrite produced during growth. Thus, incubate this strain ony a few hours at one time (8-12 h) and thereafter check growth by microscopy. Immediately stop the incubation at 85°C, when the medium begins to show some turbidity.

Solution A #

950
Compound Amount Unit Conc. [g/L] Conc. [mM]
NaCl 18.00 g 18.947 324.219
MgCl2 x 6 H2O 4.30 g 4.526 22.264
CaCl2 x 2 H2O 0.14 g 0.147 1.002
KCl 0.34 g 0.358 4.801
K2HPO4 0.14 g 0.147 0.846
NH4Cl 0.24 g 0.253 4.723
KNO3 1.00 g 1.053 10.412
Modified Wolin's mineral solution 10.00 ml - -
Distilled water 940.00 ml - -

Solution B #

30
Compound Amount Unit Conc. [g/L] Conc. [mM]
Na2CO3 1.5 g 50 471.752
Distilled water 30.0 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]
Na-pyruvate 1 g 100 908.727
Distilled water 10 ml - -

Solution E #

10
Compound Amount Unit Conc. [g/L] Conc. [mM]
Na2S x 9 H2O 0.3 g 30 124.905
Distilled water 10.0 ml - -

Modified Wolin's mineral solution #

1000
Solution occurs in 166 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.

Wolin's vitamin solution (10x) #

1000
Solution occurs in 305 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: 12.09.22
Source: DSMZ
Taxonomic range:  Archaea
Medium type: Defined medium
Final pH: 7.2
Equipment needed: Autoclave, Filter, Gassing station, Serum bottle
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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 4.296 21.13
Na2CO3 1.499 14.138
Na-pyruvate 0.999 9.078
KNO3 0.999 9.881
KCl 0.34 4.556
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Cultivation metadata from 1 strains BacDive

phyla 1 1 strain
oxygen anaerobe 1 strain
temperature hyperthermophilic 1 strain