Overview
- External ontology
- TOGO:M2090 — PEG basal medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M2090 Original source: NBRC - NBRC_M1401 Original URL: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=1401
Composition
flowchart LR
CultureMech_008681["peg_basal_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_008681 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_Yeast_extract["Yeast extract"]
CultureMech_008681 --> ing1_Yeast_extract
ing2_K2HPO4["K2HPO4"]
CultureMech_008681 --> ing2_K2HPO4
CHEBI_131527["CHEBI:131527"]
ing2_K2HPO4 -.-> CHEBI_131527
ing3__NH4_2SO4["(NH4)2SO4"]
CultureMech_008681 --> ing3__NH4_2SO4
CHEBI_62946["CHEBI:62946"]
ing3__NH4_2SO4 -.-> CHEBI_62946
ing4_MgSO4["MgSO4"]
CultureMech_008681 --> ing4_MgSO4
CHEBI_32599["CHEBI:32599"]
ing4_MgSO4 -.-> CHEBI_32599
ing5_NaH2PO4["NaH2PO4"]
CultureMech_008681 --> ing5_NaH2PO4
CHEBI_37585["CHEBI:37585"]
ing5_NaH2PO4 -.-> CHEBI_37585
ing6_Polypropylene_glycol_4000__PEG_4000_["Polypropylene glycol 4000 (PEG 4000)"]
CultureMech_008681 --> ing6_Polypropylene_glycol_4000__PEG_4000_
ing7_Agar__if_needed_["Agar (if needed)"]
CultureMech_008681 --> ing7_Agar__if_needed_
Ingredients (8)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
1 G_PER_L |
CHEBI:15377
water
|
Role: Solvating media; Properties: Inorganic compound, Simple component, Defined component |
| 2 | Yeast extract | 0.2 G_PER_L | Role: Nutrient source; Properties: Undefined component | |
| 3 |
K2HPO4
HO4P.2K 174.174 g/mol
|
2 G_PER_L |
CHEBI:131527
dipotassium hydrogen phosphate
|
Role: Buffer; Properties: Inorganic compound, Simple component, Defined component |
| 4 |
(NH4)2SO4
2H4N.O4S 132.141 g/mol
|
3 G_PER_L |
CHEBI:62946
ammonium sulfate
|
Role: Nitrogen source; Properties: Defined component, Simple component, Inorganic compound |
| 5 |
MgSO4
Mg.O4S 120.368 g/mol
|
0.2 G_PER_L |
CHEBI:32599
magnesium sulfate
|
Role: Mineral source; Properties: Defined component, Simple component, Inorganic compound |
| 6 |
NaH2PO4
H2O4P.Na 119.976 g/mol
|
1 G_PER_L |
CHEBI:37585
sodium dihydrogenphosphate
|
Role: Buffer; Properties: Simple component, Defined component, Inorganic compound |
| 7 | Polypropylene glycol 4000 (PEG 4000) | 10 G_PER_L | Role: Carbon source; Properties: Simple component, Defined component | |
| 8 | Agar (if needed) | 18 G_PER_L | Role: Solidifying component |
Target organisms
No target organisms are recorded.
Provenance
Merged from 1 source record.
- peg_basal_medium (CultureMech:008681)
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:59.034940Z | togo-import | Imported from TOGO Medium | Source: NBRC, ID: M2090 |
| 2026-01-28T19:48:13.882833Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:19:59.336353Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:008681 |
| 2026-03-17T06:29:55.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:17.973204+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "PEG basal medium" to "peg_basal_medium" for consistent matching |
| 2026-06-05T07:41:41.120835+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 5 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:47:09.956977+00:00 | primary-term-label-canonicalization-v1.0 | Canonicalized primary term label to OBO canonical (OAK) | 3 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi. |
| 2026-08-06T03:05:52.435102+00:00 | merge_recipes.py | MERGED_RECIPES | merged 1 source recipe(s) on fingerprint ab2fda6570cb27874d489b630cf63609488e981d6eb84a8bb19fc5d582f52eb0 |