Overview
- External ontology
- mediadive.medium:1054 (source link unavailable) — A1-MEDIUM
- Applications
-
- Microbial cultivation
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium1054.pdf
Composition
flowchart LR
CultureMech_000483["a1_medium"]
ing0_Yeast_extract["Yeast extract"]
CultureMech_000483 --> ing0_Yeast_extract
ing1_Bacto_peptone["Bacto peptone"]
CultureMech_000483 --> ing1_Bacto_peptone
ing2_Starch["Starch"]
CultureMech_000483 --> ing2_Starch
CHEBI_28017["CHEBI:28017"]
ing2_Starch -.-> CHEBI_28017
ing3_Seawater__Biomaris_089__natural_or_artificial_["Seawater (Biomaris 089, natural or artificial)"]
CultureMech_000483 --> ing3_Seawater__Biomaris_089__natural_or_artificial_
ing4_Agar["Agar"]
CultureMech_000483 --> ing4_Agar
CHEBI_2509["CHEBI:2509"]
ing4_Agar -.-> CHEBI_2509
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Yeast extract | 4 G_PER_L |
FOODON:03315426
yeast extract
|
DSMZ Medium 1054 lists 4 g generic yeast extract. |
| 2 | Bacto peptone | 2 G_PER_L | DSMZ Medium 1054 lists Bacto peptone; the product is source-disclosed but not reducible to one ChEBI molecule. | |
| 3 | Starch | 10 G_PER_L |
CHEBI:28017
starch
|
DSMZ Medium 1054 lists 10 g starch. |
| 4 | Seawater (Biomaris 089, natural or artificial) | 1000 ML_PER_L | DSMZ Medium 1054 lists 1.0 L Biomaris 089 seawater and allows natural or artificial seawater. | |
| 5 | Agar | 20 G_PER_L |
CHEBI:2509
agar
|
DSMZ Medium 1054 lists 20 g agar. |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:13.226747Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 1054 |
| 2026-03-13T06:18:55.707559Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:000483 |
| 2026-03-17T06:30:40.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:06.718934+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "A1-MEDIUM" to "a1_medium" for consistent matching |
| 2026-06-05T07:40:46.429036+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. |
| 2026-09-11T00:00:00-07:00 | repair_tcg_a1_seawater_score15.py | RESOLVED_TCG_A1_SEAWATER_SCORE15 | DSMZ Medium 1054 lists 4 g yeast extract, 2 g Bacto peptone, 10 g starch, 1 L Biomaris 089 seawater, and 20 g agar. |