Overview
- External ontology
- TOGO:M428 — PY Medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M428 Original source: JCM - JCM_M428 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=428
Composition
flowchart LR
CultureMech_009813["py_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_009813 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_MgSO4_7H2O["MgSO4・7H2O"]
CultureMech_009813 --> ing1_MgSO4_7H2O
CHEBI_31795["CHEBI:31795"]
ing1_MgSO4_7H2O -.-> CHEBI_31795
ing2_Yeast_extract["Yeast extract"]
CultureMech_009813 --> ing2_Yeast_extract
ing3_K2HPO4["K2HPO4"]
CultureMech_009813 --> ing3_K2HPO4
CHEBI_131527["CHEBI:131527"]
ing3_K2HPO4 -.-> CHEBI_131527
ing4_NaH2PO4["NaH2PO4"]
CultureMech_009813 --> ing4_NaH2PO4
CHEBI_37585["CHEBI:37585"]
ing4_NaH2PO4 -.-> CHEBI_37585
ing5_Peptone["Peptone"]
CultureMech_009813 --> ing5_Peptone
Ingredients (6)
| # | 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 |
MgSO4・7H2O
7H2O.Mg.O4S 246.473 g/mol
|
0.02 G_PER_L |
CHEBI:31795
magnesium sulfate heptahydrate
|
Role: Mineral source; Properties: Simple component, Inorganic compound, Defined component |
| 3 | Yeast extract | 0.25 G_PER_L | Role: Nutrient source; Properties: Undefined component | |
| 4 |
K2HPO4
HO4P.2K 174.174 g/mol
|
0.1 G_PER_L |
CHEBI:131527
dipotassium hydrogen phosphate
|
Role: Buffer; Properties: Inorganic compound, Simple component, Defined component |
| 5 |
NaH2PO4
H2O4P.Na 119.976 g/mol
|
0.05 G_PER_L |
CHEBI:37585
sodium dihydrogenphosphate
|
Role: Buffer; Properties: Defined component, Simple component, Inorganic compound |
| 6 | Peptone | 0.25 G_PER_L |
Target organisms
No target organisms are recorded.
Provenance
Merged from 1 source record.
- TOGO_M428_PY_Medium (CultureMech:009813)
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:55.038063Z | togo-import | Imported from TOGO Medium | Source: JCM, ID: M428 |
| 2026-01-28T19:48:35.573263Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:20:09.077495Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:009813 |
| 2026-03-17T06:30:41.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:28.061651+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "PY Medium" to "py_medium" for consistent matching |
| 2026-06-05T07:40:41.286775+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. |
| 2026-06-10T06:57:30.462597+00:00 | mgso4-heptahydrate-term-fix-v1.0 | Corrected MgSO4·7H2O primary term grounding to heptahydrate | Re-grounded 1 heptahydrate-labelled ingredient(s) from CHEBI:32599 (generic magnesium sulfate) to CHEBI:31795 (magnesium sulfate heptahydrate). Generic/hexahydrate labels untouched. |
| 2026-06-10T07:46:50.594601+00:00 | primary-term-label-canonicalization-v1.0 | Canonicalized primary term label to OBO canonical (OAK) | 1 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi. |
| 2026-08-06T03:05:15.963354+00:00 | merge_recipes.py | MERGED_RECIPES | merged 1 source recipe(s) on fingerprint ed2157d3415becde45e37177a5f497d504dabc2b05bd07bc18f526c700706f97 |