Overview
- External ontology
- mediadive.medium:1405 (source link unavailable) — PYG MEDIUM MODIFIED
- Applications
-
- Microbial cultivation
- pH
- 7.2
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium1405.pdf
Composition
flowchart LR
CultureMech_000866["pyg_medium_modified"]
ing0_Peptone["Peptone"]
CultureMech_000866 --> ing0_Peptone
ing1_Meat_extract["Meat extract"]
CultureMech_000866 --> ing1_Meat_extract
ing2_Yeast_extract["Yeast extract"]
CultureMech_000866 --> ing2_Yeast_extract
ing3_Glucose["Glucose"]
CultureMech_000866 --> ing3_Glucose
CHEBI_17234["CHEBI:17234"]
ing3_Glucose -.-> CHEBI_17234
ing4_Agar["Agar"]
CultureMech_000866 --> ing4_Agar
CHEBI_2509["CHEBI:2509"]
ing4_Agar -.-> CHEBI_2509
Ingredients (5)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Peptone | 5 G_PER_L | ||
| 2 | Meat extract | 3 G_PER_L | ||
| 3 | Yeast extract | 1 G_PER_L |
FOODON:03315426
Yeast extract
|
|
| 4 |
Glucose
C6H12O6 180.156 g/mol
|
5 G_PER_L |
CHEBI:17234
glucose
|
|
| 5 | Agar | 15 G_PER_L |
CHEBI:2509
agar
|
(for solid medium) |
Preparation
- Adjust to pH 7.2 and sterilize by autoclaving. The medium may be solidified by adding 15.0 g/l agar.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:14.326912Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 1405 |
| 2026-03-13T06:18:59.017292Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:000866 |
| 2026-03-17T06:30:48.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:10.488092+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "PYG MEDIUM MODIFIED" to "pyg_medium_modified" for consistent matching |
| 2026-06-05T07:40:16.032714+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. |
| 2026-09-13T00:00:00-07:00 | repair_bacterial_score10_extracts.py | GROUNDED_BACTERIAL_EXTRACTS_SCORE10 | Applied exact MediaIngredientMech mappings for Yeast extract. |