Overview
- External ontology
- TOGO:M881 — 1/2 R2A Agar
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M881 Original source: JCM - JCM_M845 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=845
Composition
flowchart LR
CultureMech_010300["1_2_r2a_agar"]
ing0_Distilled_water["Distilled water"]
CultureMech_010300 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_Agar["Agar"]
CultureMech_010300 --> ing1_Agar
CHEBI_2509["CHEBI:2509"]
ing1_Agar -.-> CHEBI_2509
ing2_R2A_agar__BD_Difco_["R2A agar (BD-Difco)"]
CultureMech_010300 --> ing2_R2A_agar__BD_Difco_
Ingredients (3)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
1 G_PER_L |
CHEBI:15377
water
|
Role: Solvating media; Properties: Defined component, Inorganic compound, Simple component |
| 2 | Agar | 7.5 G_PER_L |
CHEBI:2509
agar
|
Role: Solidifying component |
| 3 | R2A agar (BD-Difco) | 9.1 G_PER_L | Properties: Undefined component, Complex component |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:55.891336Z | togo-import | Imported from TOGO Medium | Source: JCM, ID: M881 |
| 2026-01-28T19:48:17.199340Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:20:12.806059Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:010300 |
| 2026-03-17T06:30:02.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:31.753743+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "1/2 R2A Agar" to "1_2_r2a_agar" for consistent matching |
| 2026-06-05T07:40:45.323816+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. |