Overview
- External ontology
- TOGO:M1776 — M1 Medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M1776 Original source: NBRC - NBRC_M992 Original URL: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=992
Composition
flowchart LR
CultureMech_008342["m1_medium"]
ing0_Yeast_extract["Yeast extract"]
CultureMech_008342 --> ing0_Yeast_extract
ing1_Starch["Starch"]
CultureMech_008342 --> ing1_Starch
CHEBI_28017["CHEBI:28017"]
ing1_Starch -.-> CHEBI_28017
ing2_Agar__if_needed_["Agar (if needed)"]
CultureMech_008342 --> ing2_Agar__if_needed_
ing3_Peptone["Peptone"]
CultureMech_008342 --> ing3_Peptone
Ingredients (4)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Yeast extract | 4 G_PER_L | Role: Nutrient source; Properties: Undefined component | |
| 2 | Starch | 10 G_PER_L |
CHEBI:28017
starch
|
Role: Carbon source; Properties: Organic compound, Complex component, Defined component |
| 3 | Agar (if needed) | 18 G_PER_L | Role: Solidifying component | |
| 4 | Peptone | 2 G_PER_L |
Solutions
Seawater*
Dose: 1 G_PER_L
See mediadive_1801_Seawater.yaml for composition
Target organisms
No target organisms are recorded.
Provenance
Merged from 1 source record.
- m1_medium (CultureMech:008342)
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:58.334495Z | togo-import | Imported from TOGO Medium | Source: NBRC, ID: M1776 |
| 2026-01-28T19:48:14.374879Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-09T08:04:23.900486+00:00 | solution-migrator-v1.0 | Migrated solutions from ingredients to solutions array | Moved 1 solution(s) from ingredients |
| 2026-03-13T06:19:55.889988Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:008342 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default solution name |
| 2026-03-17T06:29:56.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:14.434889+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "M1 Medium" to "m1_medium" for consistent matching |
| 2026-05-16T09:03:39.442367+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-06-05T07:41:11.760677+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 1 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-08-06T03:05:40.811432+00:00 | merge_recipes.py | MERGED_RECIPES | merged 1 source recipe(s) on fingerprint 9f610026522220fe609eca2d8fab64fc0405bf95a6755b78f05985e136a0485d |