Overview
- External ontology
- mediadive.medium:370 (source link unavailable) — HELIOBACTERIUM CHLORUM MEDIUM
- Applications
-
- Microbial cultivation
- pH
- 6.8
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium370.pdf
Composition
flowchart LR
CultureMech_001472["heliobacterium_chlorum_medium"]
ing0_K2HPO4["K2HPO4"]
CultureMech_001472 --> ing0_K2HPO4
CHEBI_131527["CHEBI:131527"]
ing0_K2HPO4 -.-> CHEBI_131527
ing1_MgSO4_x_7_H2O["MgSO4 x 7 H2O"]
CultureMech_001472 --> ing1_MgSO4_x_7_H2O
CHEBI_31795["CHEBI:31795"]
ing1_MgSO4_x_7_H2O -.-> CHEBI_31795
ing2_Yeast_extract["Yeast extract"]
CultureMech_001472 --> ing2_Yeast_extract
ing3_Sodium_ascorbate["Sodium ascorbate"]
CultureMech_001472 --> ing3_Sodium_ascorbate
CHEBI_113451["CHEBI:113451"]
ing3_Sodium_ascorbate -.-> CHEBI_113451
Ingredients (4)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
K2HPO4
HO4P.2K 174.174 g/mol
|
1 G_PER_L |
CHEBI:131527
dipotassium hydrogen phosphate
|
|
| 2 |
MgSO4 x 7 H2O
7H2O.Mg.O4S 246.473 g/mol
|
1 G_PER_L |
CHEBI:31795
magnesium sulfate heptahydrate
|
|
| 3 | Yeast extract | 10 G_PER_L | ||
| 4 |
Sodium ascorbate
C6H7O6.Na 198.106 g/mol
|
0.5 G_PER_L |
CHEBI:113451
sodium ascorbate
|
Preparation
- Adjust pH to 7.0 .
- Boil the medium for few minutes under nitrogen gas. Add sodium ascorbate (0.5 g) and continue to bubble with nitrogen gas.
- Adjust pH to 6.8.
- Fill immediately about 10 ml medium in 15 mL hungate tubes (with rubber septum).
- Autoclave at 121 °C for 15 min.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:10.922475Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 370 |
| 2026-03-13T06:19:04.428968Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:001472 |
| 2026-03-17T06:29:47.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:16.450195+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "HELIOBACTERIUM CHLORUM MEDIUM" to "heliobacterium_chlorum_medium" for consistent matching |
| 2026-06-05T07:41:08.367949+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 3 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:46:59.717146+00:00 | primary-term-label-canonicalization-v1.0 | Canonicalized primary term label to OBO canonical (OAK) | 1 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi. |
| 2026-10-07T10:55:41.454416+00:00 | codex | CURATED_MEDIUM_CONCENTRATION_SOURCE_EVIDENCE | Exact medium/source membership, ingredient inventory/forms, physical-state conditions, literal snippets, and arithmetic checked. Stock boundaries, source-only rows, preparation context, and variants remain explicit follow-up tasks; secondary chemical mappings unchanged. |