Overview
- External ontology
- TOGO:M1961 — CYC Medium
- Applications
-
- Microbial cultivation
- pH
- 8.0
- Notes
- TOGO M1961 imports NBRC Medium 1238 as CYC Medium. NBRC 1238 lists 33.4 g Czapek-Dox liquid medium, modified from Oxoid, 2 g yeast extract, 6 g Casamino acids, vitamin assay from Difco, 1 L distilled water, optional 15 g agar, and pH 8.0.
Composition
flowchart LR
CultureMech_008542["cyc_medium"]
ing0_Czapek_Dox_liquid_medium__modified__Oxoid_["Czapek-Dox liquid medium, modified (Oxoid)"]
CultureMech_008542 --> ing0_Czapek_Dox_liquid_medium__modified__Oxoid_
ing1_Yeast_extract["Yeast extract"]
CultureMech_008542 --> ing1_Yeast_extract
ing2_Casamino_acids__vitamin_assay__Difco_["Casamino acids, vitamin assay (Difco)"]
CultureMech_008542 --> ing2_Casamino_acids__vitamin_assay__Difco_
ing3_Distilled_water["Distilled water"]
CultureMech_008542 --> ing3_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing3_Distilled_water -.-> CHEBI_15377
ing4_Agar__if_needed_["Agar (if needed)"]
CultureMech_008542 --> ing4_Agar__if_needed_
CHEBI_2509["CHEBI:2509"]
ing4_Agar__if_needed_ -.-> CHEBI_2509
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Czapek-Dox liquid medium, modified (Oxoid) | 33.4 G_PER_L | NBRC Medium 1238 lists 33.4 g/L Czapek-Dox liquid medium, modified from Oxoid; this dehydrated commercial mixture is retained as an opaque complex component. | |
| 2 | Yeast extract | 2.0 G_PER_L |
FOODON:03315426
yeast extract
|
NBRC Medium 1238 lists 2 g/L yeast extract. |
| 3 | Casamino acids, vitamin assay (Difco) | 6.0 G_PER_L | NBRC Medium 1238 lists 6 g/L Casamino acids, vitamin assay from Difco; this amino acid product is retained as an opaque complex component. | |
| 4 |
Distilled water
H2O 18.015 g/mol
|
1.0 L |
CHEBI:15377
water
|
NBRC Medium 1238 lists 1 L distilled water. |
| 5 | Agar (if needed) | 15.0 G_PER_L |
CHEBI:2509
agar
|
NBRC Medium 1238 lists optional 15 g/L agar. |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:58.746414Z | togo-import | Imported from TOGO Medium | Source: NBRC, ID: M1961 |
| 2026-01-28T19:48:18.584092Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:19:57.886940Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:008542 |
| 2026-03-17T06:30:05.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:16.513351+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "CYC Medium" to "cyc_medium" for consistent matching |
| 2026-06-05T07:40:55.147699+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. |
| 2026-09-11T00:00:00-07:00 | repair_togo_m1961_cyc_medium_score15.py | RESOLVED_TOGO_M1961_CYC_MEDIUM_SCORE15 | TOGO M1961 imports NBRC Medium 1238 as CYC Medium. NBRC 1238 lists 33.4 g Czapek-Dox liquid medium, modified from Oxoid, 2 g yeast extract, 6 g Casamino acids, vitamin assay from Difco, 1 L distilled water, optional 15 g agar, and pH 8.0. Corrected the imported water g/L artifact, added the NBRC pH value, and marked the NBRC formula as curated. |