Overview
- External ontology
- TOGO:M1798 — Alkali A medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M1798 Original source: NBRC - NBRC_M1024 Original URL: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=1024
Composition
flowchart LR
CultureMech_008366["alkali_a_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_008366 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_MgSO4_7H2O["MgSO4·7H2O"]
CultureMech_008366 --> ing1_MgSO4_7H2O
CHEBI_31795["CHEBI:31795"]
ing1_MgSO4_7H2O -.-> CHEBI_31795
ing2_Yeast_extract["Yeast extract"]
CultureMech_008366 --> ing2_Yeast_extract
ing3_K2HPO4["K2HPO4"]
CultureMech_008366 --> ing3_K2HPO4
CHEBI_131527["CHEBI:131527"]
ing3_K2HPO4 -.-> CHEBI_131527
ing4_Glucose["Glucose"]
CultureMech_008366 --> ing4_Glucose
CHEBI_17234["CHEBI:17234"]
ing4_Glucose -.-> CHEBI_17234
ing5_Agar["Agar"]
CultureMech_008366 --> ing5_Agar
CHEBI_2509["CHEBI:2509"]
ing5_Agar -.-> CHEBI_2509
ing6_Peptone["Peptone"]
CultureMech_008366 --> ing6_Peptone
ing7_Na2CO3["Na2CO3"]
CultureMech_008366 --> ing7_Na2CO3
CHEBI_29377["CHEBI:29377"]
ing7_Na2CO3 -.-> CHEBI_29377
Ingredients (8)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
1000.0 G_PER_L |
CHEBI:15377
water
|
Role: Solvating media; Properties: Simple component, Defined component, Inorganic compound [Merged 2 duplicates: 500.0, 500.0] |
| 2 |
MgSO4·7H2O
7H2O.Mg.O4S 246.473 g/mol
|
0.2 G_PER_L |
CHEBI:31795
magnesium sulfate heptahydrate
|
Role: Mineral source; Properties: Simple component, Defined component, Inorganic compound |
| 3 | Yeast extract | 5 G_PER_L | Role: Nutrient source; Properties: Undefined component | |
| 4 |
K2HPO4
HO4P.2K 174.174 g/mol
|
1 G_PER_L |
CHEBI:131527
dipotassium hydrogen phosphate
|
Role: Buffer; Properties: Defined component, Inorganic compound, Simple component |
| 5 |
Glucose
C6H12O6 180.156 g/mol
|
10 G_PER_L |
CHEBI:17234
glucose
|
Role: Carbon source; Properties: Organic compound, Defined component, Simple component |
| 6 | Agar | 12 G_PER_L |
CHEBI:2509
agar
|
Role: Solidifying component |
| 7 | Peptone | 5 G_PER_L | ||
| 8 |
Na2CO3
CO3.2Na 105.988 g/mol
|
10 G_PER_L |
CHEBI:29377
sodium carbonate
|
Role: Buffer; Properties: Defined component, Inorganic compound, Simple component |
Solutions
Solution A*
Dose: 500 G_PER_L
See mediadive_5342_Solution_A.yaml for composition
Solution B**
Dose: 500 G_PER_L
See mediadive_5343_Solution_B.yaml for composition
Target organisms
No target organisms are recorded.
Provenance
Merged from 1 source record.
- alkali_a_medium (CultureMech:008366)
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:58.389341Z | togo-import | Imported from TOGO Medium | Source: NBRC, ID: M1798 |
| 2026-01-28T19:48:32.420373Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-09T08:04:53.815168+00:00 | solution-migrator-v1.0 | Migrated solutions from ingredients to solutions array | Moved 2 solution(s) from ingredients |
| 2026-03-13T03:09:25.288046Z | data-quality-cleanup-v1.0 | Data quality fixes | Merged 1 duplicate ingredient(s) |
| 2026-03-13T06:19:56.150230Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:008366 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default solution name; Added default solution name |
| 2026-03-17T06:30:34.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:14.714108+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "Alkali A medium" to "alkali_a_medium" for consistent matching |
| 2026-05-16T09:03:23.574586+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-06-05T07:40:47.789906+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 6 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T06:57:35.481384+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. |
| 2026-06-10T07:46:52.763332+00:00 | primary-term-label-canonicalization-v1.0 | Canonicalized primary term label to OBO canonical (OAK) | 2 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi. |
| 2026-08-06T03:05:22.301615+00:00 | merge_recipes.py | MERGED_RECIPES | merged 1 source recipe(s) on fingerprint 2c67d4cd2318165a7b1dd260ca2d7fb98404ecbbd26647569f0c95b5ac97aec7 |