Overview
- External ontology
- TOGO:M2869 — PSA medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M2869
Composition
flowchart LR
CultureMech_009402["psa_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_009402 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_sucrose["sucrose"]
CultureMech_009402 --> ing1_sucrose
CHEBI_17992["CHEBI:17992"]
ing1_sucrose -.-> CHEBI_17992
ing2_kanamycin["kanamycin"]
CultureMech_009402 --> ing2_kanamycin
CHEBI_6104["CHEBI:6104"]
ing2_kanamycin -.-> CHEBI_6104
ing3_glutamic_acid["glutamic acid"]
CultureMech_009402 --> ing3_glutamic_acid
CHEBI_18237["CHEBI:18237"]
ing3_glutamic_acid -.-> CHEBI_18237
ing4_peptone["peptone"]
CultureMech_009402 --> ing4_peptone
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
1 G_PER_L |
CHEBI:15377
water
|
Role: Solvating media; Properties: Simple component, Inorganic compound, Defined component |
| 2 |
sucrose
C12H22O11 342.297 g/mol
|
10 G_PER_L |
CHEBI:17992
sucrose
|
Role: Carbon source; Properties: Defined component, Organic compound, Simple component |
| 3 | kanamycin | 25 G_PER_L |
CHEBI:6104
kanamycin
|
Role: Antimicrobial agent; Properties: Organic compound, Simple component, Defined component |
| 4 |
glutamic acid
C5H9NO4 147.13 g/mol
|
1 G_PER_L |
CHEBI:18237
glutamic acid
|
Role: Nitrogen source; Properties: Defined component, Simple component, Organic compound |
| 5 | peptone | 10 G_PER_L |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:57.362644Z | togo-import | Imported from TOGO Medium | Source: TOGO, ID: M2869 |
| 2026-01-28T19:48:10.141861Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:20:06.046670Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:009402 |
| 2026-03-17T06:29:46.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:24.990207+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "PSA medium" to "psa_medium" for consistent matching |
| 2026-06-05T07:41:42.623934+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. |
| 2026-08-20T19:03:02.082693+00:00 | apply_mim_groundings.py | Adopted MIM published grounding | Grounded 1 ingredient(s) from MIM's ingredient_mappings.sssom.tsv (2026-08-18), exactMatch only, where this record carried no CHEBI term (#308). |