Overview
- External ontology
- TOGO:M2806 — PGY medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M2806
Composition
flowchart LR
CultureMech_009354["pgy_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_009354 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_Glucose["Glucose"]
CultureMech_009354 --> ing1_Glucose
CHEBI_17234["CHEBI:17234"]
ing1_Glucose -.-> CHEBI_17234
ing2_Yeast_extract__Difco_["Yeast extract (Difco)"]
CultureMech_009354 --> ing2_Yeast_extract__Difco_
ing3_Sodium_thioglycolate["Sodium thioglycolate"]
CultureMech_009354 --> ing3_Sodium_thioglycolate
CHEBI_86481["CHEBI:86481"]
ing3_Sodium_thioglycolate -.-> CHEBI_86481
ing4_Proteose_peptone__Difco_["Proteose peptone (Difco)"]
CultureMech_009354 --> ing4_Proteose_peptone__Difco_
ing5_Carbon_dioxide_gas["Carbon dioxide gas"]
CultureMech_009354 --> ing5_Carbon_dioxide_gas
CHEBI_16526["CHEBI:16526"]
ing5_Carbon_dioxide_gas -.-> CHEBI_16526
ing6_Nitrogen_gas["Nitrogen gas"]
CultureMech_009354 --> ing6_Nitrogen_gas
CHEBI_17997["CHEBI:17997"]
ing6_Nitrogen_gas -.-> CHEBI_17997
Ingredients (7)
| # | 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 |
Glucose
C6H12O6 180.156 g/mol
|
20 G_PER_L |
CHEBI:17234
glucose
|
Role: Carbon source; Properties: Defined component, Simple component, Organic compound |
| 3 | Yeast extract (Difco) | 10 G_PER_L | Properties: Undefined component | |
| 4 |
Sodium thioglycolate
C2H3O2S.Na 114.101 g/mol
|
1 G_PER_L |
CHEBI:86481
sodium thioglycolate
|
Properties: Organic compound, Simple component, Defined component |
| 5 | Proteose peptone (Difco) | 30 G_PER_L | Properties: Undefined component | |
| 6 |
Carbon dioxide gas
CO2 44.009 g/mol
|
variable VARIABLE |
CHEBI:16526
carbon dioxide
|
Properties: ガス |
| 7 |
Nitrogen gas
N2 28.014 g/mol
|
variable VARIABLE |
CHEBI:17997
dinitrogen
|
Properties: ガス |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:57.318439Z | togo-import | Imported from TOGO Medium | Source: TOGO, ID: M2806 |
| 2026-01-28T19:48:10.463577Z | 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: Carbon dioxide gas; Added default concentration for ingredient: Nitrogen gas |
| 2026-03-13T06:20:05.822467Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:009354 |
| 2026-03-17T06:29:47.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:24.745157+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "PGY medium" to "pgy_medium" for consistent matching |
| 2026-05-16T09:03:16.090464+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-06-05T07:40:39.358890+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 3 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |