Overview
- External ontology
- TOGO:M1838 — PYGSW Agar
- Applications
-
- Microbial cultivation
- Notes
- TOGO M1838 / NBRC Medium 1071 lists PYGSW Agar with 1.0 g/L Yeast extract, 1.0 L Seawater at 2% salinity, 0.5 g/L Glucose, 15.0 g/L Agar, and 1.0 g/L Peptone. Seawater is retained as an opaque natural-water component.
Composition
flowchart LR
CultureMech_008411["pygsw_agar"]
ing0_Yeast_extract["Yeast extract"]
CultureMech_008411 --> ing0_Yeast_extract
ing1_Seawater__2__salinity_["Seawater (2% salinity)"]
CultureMech_008411 --> ing1_Seawater__2__salinity_
ing2_Glucose["Glucose"]
CultureMech_008411 --> ing2_Glucose
CHEBI_17234["CHEBI:17234"]
ing2_Glucose -.-> CHEBI_17234
ing3_Agar["Agar"]
CultureMech_008411 --> ing3_Agar
CHEBI_2509["CHEBI:2509"]
ing3_Agar -.-> CHEBI_2509
ing4_Peptone["Peptone"]
CultureMech_008411 --> ing4_Peptone
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Yeast extract | 1.0 G_PER_L |
FOODON:03315426
yeast extract
|
TOGO M1838 / NBRC Medium 1071 lists 1.0 g/L Yeast extract. |
| 2 | Seawater (2% salinity) | 1.0 L | TOGO M1838 / NBRC Medium 1071 lists 1 L Seawater at 2% salinity; this natural seawater is retained as an opaque component. | |
| 3 |
Glucose
C6H12O6 180.156 g/mol
|
0.5 G_PER_L |
CHEBI:17234
glucose
|
TOGO M1838 / NBRC Medium 1071 lists 0.5 g/L Glucose. |
| 4 | Agar | 15.0 G_PER_L |
CHEBI:2509
agar
|
TOGO M1838 / NBRC Medium 1071 lists 15.0 g/L Agar. |
| 5 | Peptone | 1.0 G_PER_L |
MICRO:0000178 (source link unavailable)
Peptone
|
TOGO M1838 / NBRC Medium 1071 lists 1.0 g/L Peptone. |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:58.476902Z | togo-import | Imported from TOGO Medium | Source: NBRC, ID: M1838 |
| 2026-01-28T19:48:40.902781Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:19:56.591610Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:008411 |
| 2026-03-17T06:30:52.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:15.161794+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "PYGSW Agar" to "pygsw_agar" for consistent matching |
| 2026-06-05T07:41:43.134223+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 2 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-09-12T00:00:00-07:00 | repair_togo_pygsw_score15.py | RESOLVED_TOGO_M1838_SCORE15 | TOGO M1838 / NBRC Medium 1071 lists PYGSW Agar with 1.0 g/L Yeast extract, 1.0 L Seawater at 2% salinity, 0.5 g/L Glucose, 15.0 g/L Agar, and 1.0 g/L Peptone. Seawater is retained as an opaque natural-water component. Corrected the imported 1 L seawater unit, grounded yeast extract and peptone, and removed the false MediaDive 7 match. |