DSMZ 1492 . HALF STRENGTH R2A

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

Culture medium recipe

Vol.
×
Equipment needed: Autoclave
Compound Amount Unit Conc. [g/L] Conc. [mM]
Yeast extract 0.250 g 0.25 -
Proteose peptone
(Difco no. 3)
0.250 g 0.25 -
Casamino acids 0.250 g 0.25 -
Glucose 0.250 g 0.25 1.388
Starch
(soluble)
0.250 g 0.25 -
Na-pyruvate 0.250 g 0.25 2.272
K2HPO4 0.150 g 0.15 0.861
MgSO4 x 7 H2O 0.025 g 0.025 0.101
Distilled water 1000.000 ml - -
1 Adjust pH to 7.2 with K2HPO4 or KH2PO4.
2 Add agar after adjusting the pH, then boil to dissolve the agar
Agar 15.000 g 15 -
3 Autoclave at 121 °C for 15 min.

Metadata

Last modified: 03.01.24
Source: DSMZ
Taxonomic range:  Bacteria
Medium type: Complex medium
Final pH: 7.2
Equipment needed: Autoclave
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Associated strains

All strains for this medium: 7
Strains with modifications: 3

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Molecular composition

Compound Conc. [g/L] Conc. [mM]
Agar 15 -
Na-pyruvate 0.25 2.272
Glucose 0.25 1.388
Casamino acids 0.25 -
Starch 0.25 -
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Cultivation metadata from 7 strains BacDive

pH 4 - 6 2 strains
pH 8 - 10 2 strains
phyla 5 7 strains
oxygen aerobe 1 strain
oxygen microaerophile 1 strain
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