Overview
- External ontology
- mediadive.medium:937 (source link unavailable) — PYES MEDIUM
- Applications
-
- Microbial cultivation
- pH
- 7.2
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium937.pdf
Composition
flowchart LR
CultureMech_002111["pyes_medium"]
ing0_Casein_peptone["Casein peptone"]
CultureMech_002111 --> ing0_Casein_peptone
ing1_Yeast_extract["Yeast extract"]
CultureMech_002111 --> ing1_Yeast_extract
ing2_Sodium_succinate["Sodium succinate"]
CultureMech_002111 --> ing2_Sodium_succinate
CHEBI_63675["CHEBI:63675"]
ing2_Sodium_succinate -.-> CHEBI_63675
ing3_Agar["Agar"]
CultureMech_002111 --> ing3_Agar
CHEBI_2509["CHEBI:2509"]
ing3_Agar -.-> CHEBI_2509
Ingredients (4)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Casein peptone | 3 G_PER_L | ||
| 2 | Yeast extract | 3 G_PER_L | ||
| 3 |
Sodium succinate
C4H4O4.2Na 162.052 g/mol
|
2.3 G_PER_L |
CHEBI:63675
sodium succinate (anhydrous)
|
|
| 4 | Agar | 15 G_PER_L |
CHEBI:2509
agar
|
(for solid medium) |
Preparation
- Final pH 7.2. Liquid media may be solidified by adding 15 g/l agar.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:12.827093Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 937 |
| 2026-03-13T06:19:10.431794Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:002111 |
| 2026-03-17T06:30:29.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:23.097566+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "PYES MEDIUM" to "pyes_medium" for consistent matching |
| 2026-06-05T07:41:43.003972+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 2 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-10-07T13:32:40.086487+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. |