Overview
- External ontology
- TOGO:M456 — PYG Medium (C)
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M456 Original source: JCM - JCM_M456 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=456
Composition
flowchart LR
CultureMech_009843["pyg_medium_c"]
ing0_Tween_80["Tween 80"]
CultureMech_009843 --> ing0_Tween_80
CHEBI_53426["CHEBI:53426"]
ing0_Tween_80 -.-> CHEBI_53426
ing1_L__cysteine_HCl_H2O["L--cysteine・HCl・H2O"]
CultureMech_009843 --> ing1_L__cysteine_HCl_H2O
CHEBI_91248["CHEBI:91248"]
ing1_L__cysteine_HCl_H2O -.-> CHEBI_91248
ing2_N2["N2"]
CultureMech_009843 --> ing2_N2
CHEBI_17997["CHEBI:17997"]
ing2_N2 -.-> CHEBI_17997
Ingredients (3)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Tween 80
(C2H4O)w.(C2H4O)x.(C2H4O)y.(C2H4O)z.C24H44O6 604.822 g/mol
|
1 G_PER_L |
CHEBI:53426
polysorbate 80
|
Role: Surfactant; Properties: Defined component, Organic compound, Simple component |
| 2 |
L--cysteine・HCl・H2O
C3H7NO2S.H2O.HCl 175.637 g/mol
|
0.5 G_PER_L |
CHEBI:91248
L-cysteine hydrochloride hydrate
|
Properties: Defined component, Organic compound, Simple component |
| 3 |
N2
N2 28.014 g/mol
|
variable VARIABLE |
CHEBI:17997
dinitrogen
|
Properties: Gas |
Solutions
PYG MEDIUM (B) (see Medium [M423])
Dose: 1 G_PER_L
Cross-reference to Medium M423
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:55.094018Z | togo-import | Imported from TOGO Medium | Source: JCM, ID: M456 |
| 2026-01-28T19:48:11.712920Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-02-03T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default concentration for ingredient: N2 |
| 2026-03-09T08:04:19.253067+00:00 | solution-migrator-v1.0 | Migrated solutions from ingredients to solutions array | Moved 1 solution(s) from ingredients |
| 2026-03-13T06:20:09.324129Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:009843 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default solution name |
| 2026-03-17T06:29:50.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:28.296551+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "PYG Medium (C)" to "pyg_medium_c" for consistent matching |
| 2026-05-16T09:03:18.157850+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=2 |
| 2026-06-05T07:40:41.538187+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. |