Overview
- External ontology
- mediadive.medium:1334 (source link unavailable) — MODIFIED YMA MEDIUM
- Applications
-
- Microbial cultivation
- pH
- 7.0
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium1334.pdf
Composition
flowchart LR
CultureMech_000791["modified_yma_medium"]
ing0_Yeast_extract["Yeast extract"]
CultureMech_000791 --> ing0_Yeast_extract
ing1_Mannitol["Mannitol"]
CultureMech_000791 --> ing1_Mannitol
CHEBI_29864["CHEBI:29864"]
ing1_Mannitol -.-> CHEBI_29864
ing2_K2HPO4["K2HPO4"]
CultureMech_000791 --> ing2_K2HPO4
CHEBI_131527["CHEBI:131527"]
ing2_K2HPO4 -.-> CHEBI_131527
ing3_MgSO4_x_7_H2O["MgSO4 x 7 H2O"]
CultureMech_000791 --> ing3_MgSO4_x_7_H2O
CHEBI_31795["CHEBI:31795"]
ing3_MgSO4_x_7_H2O -.-> CHEBI_31795
ing4_Agar["Agar"]
CultureMech_000791 --> ing4_Agar
CHEBI_2509["CHEBI:2509"]
ing4_Agar -.-> CHEBI_2509
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Yeast extract | 0.5 G_PER_L | ||
| 2 |
Mannitol
C6H14O6 182.172 g/mol
|
7 G_PER_L |
CHEBI:29864
mannitol
|
|
| 3 |
K2HPO4
HO4P.2K 174.174 g/mol
|
0.2 G_PER_L |
CHEBI:131527
dipotassium hydrogen phosphate
|
|
| 4 |
MgSO4 x 7 H2O
7H2O.Mg.O4S 246.473 g/mol
|
0.2 G_PER_L |
CHEBI:31795
magnesium sulfate heptahydrate
|
|
| 5 | Agar | 15 G_PER_L |
CHEBI:2509
agar
|
(for solid medium) |
Preparation
- Adjust to pH 7.0. The medium may be solidified by adding 15 g/l agar.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:14.128212Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 1334 |
| 2026-03-13T06:18:58.391434Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:000791 |
| 2026-03-17T06:29:46.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:09.794238+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "MODIFIED YMA MEDIUM" to "modified_yma_medium" for consistent matching |
| 2026-06-05T07:41:38.089661+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 4 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:47:09.062622+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. |
| 2026-10-07T13:32:40.086487+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. |