Overview
- External ontology
- TOGO:M295 — Petrotoga Medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M295 Original source: JCM - JCM_M300 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=300
Composition
flowchart LR
CultureMech_009484["petrotoga_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_009484 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_NaCl["NaCl"]
CultureMech_009484 --> ing1_NaCl
CHEBI_26710["CHEBI:26710"]
ing1_NaCl -.-> CHEBI_26710
ing2_CaCl2_2H2O["CaCl2・2H2O"]
CultureMech_009484 --> ing2_CaCl2_2H2O
CHEBI_86158["CHEBI:86158"]
ing2_CaCl2_2H2O -.-> CHEBI_86158
ing3_KH2PO4["KH2PO4"]
CultureMech_009484 --> ing3_KH2PO4
CHEBI_63036["CHEBI:63036"]
ing3_KH2PO4 -.-> CHEBI_63036
ing4_NH4Cl["NH4Cl"]
CultureMech_009484 --> ing4_NH4Cl
CHEBI_31206["CHEBI:31206"]
ing4_NH4Cl -.-> CHEBI_31206
ing5_MgCl2_6H2O["MgCl2・6H2O"]
CultureMech_009484 --> ing5_MgCl2_6H2O
CHEBI_86345["CHEBI:86345"]
ing5_MgCl2_6H2O -.-> CHEBI_86345
ing6_KCl["KCl"]
CultureMech_009484 --> ing6_KCl
CHEBI_32588["CHEBI:32588"]
ing6_KCl -.-> CHEBI_32588
ing7_HEPES["HEPES"]
CultureMech_009484 --> ing7_HEPES
CHEBI_46756["CHEBI:46756"]
ing7_HEPES -.-> CHEBI_46756
ing8_Maltose_monohydrate["Maltose monohydrate"]
CultureMech_009484 --> ing8_Maltose_monohydrate
ing9_Yeast_extract__BD_Difco_["Yeast extract (BD-Difco)"]
CultureMech_009484 --> ing9_Yeast_extract__BD_Difco_
ing10_Tryptone__BD_Difco_["Tryptone (BD-Difco)"]
CultureMech_009484 --> ing10_Tryptone__BD_Difco_
ing11_Bacto_peptone__BD_Difco_["Bacto peptone (BD-Difco)"]
CultureMech_009484 --> ing11_Bacto_peptone__BD_Difco_
ing12_N2["N2"]
CultureMech_009484 --> ing12_N2
CHEBI_17997["CHEBI:17997"]
ing12_N2 -.-> CHEBI_17997
Ingredients (13)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
1 G_PER_L |
CHEBI:15377
water
|
Role: Solvating media; Properties: Defined component, Inorganic compound, Simple component |
| 2 |
NaCl
Cl.Na 58.443 g/mol
|
30 G_PER_L |
CHEBI:26710
sodium chloride
|
Role: Mineral source; Properties: Defined component, Inorganic compound, Simple component |
| 3 |
CaCl2・2H2O
Ca.2Cl.2H2O 147.014 g/mol
|
0.1 G_PER_L |
CHEBI:86158
calcium chloride dihydrate
|
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component |
| 4 |
KH2PO4
H2O4P.K 136.084 g/mol
|
0.3 G_PER_L |
CHEBI:63036
potassium dihydrogen phosphate
|
Role: Buffer; Properties: Inorganic compound, Defined component, Simple component |
| 5 |
NH4Cl
Cl.H4N 53.492 g/mol
|
1 G_PER_L |
CHEBI:31206
ammonium chloride
|
Role: Nitrogen source; Properties: Inorganic compound, Simple component, Defined component |
| 6 |
MgCl2・6H2O
2Cl.6H2O.Mg 203.301 g/mol
|
0.5 G_PER_L |
CHEBI:86345
magnesium dichloride hexahydrate
|
Role: Mineral source; Properties: Simple component, Inorganic compound, Defined component |
| 7 |
KCl
Cl.K 74.551 g/mol
|
0.2 G_PER_L |
CHEBI:32588
potassium chloride
|
Role: Mineral source; Properties: Defined component, Simple component, Inorganic compound |
| 8 | HEPES | 2.6 G_PER_L |
CHEBI:46756
HEPES
|
Role: Buffer; Properties: Defined component, Simple component, Organic compound |
| 9 | Maltose monohydrate | 3.6 G_PER_L | Role: Carbon source; Properties: Defined component, Organic compound, Simple component | |
| 10 | Yeast extract (BD-Difco) | 1.5 G_PER_L | Properties: Undefined component | |
| 11 | Tryptone (BD-Difco) | 1.5 G_PER_L | Properties: Undefined component | |
| 12 | Bacto peptone (BD-Difco) | 1.5 G_PER_L | Properties: Undefined component | |
| 13 |
N2
N2 28.014 g/mol
|
variable VARIABLE |
CHEBI:17997
dinitrogen
|
Properties: Gas |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:54.784998Z | togo-import | Imported from TOGO Medium | Source: JCM, ID: M295 |
| 2026-01-28T19:48:29.393826Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-02-03T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default concentration for ingredient: N2 |
| 2026-03-13T06:20:06.358526Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:009484 |
| 2026-03-17T06:30:27.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:25.342406+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "Petrotoga Medium" to "petrotoga_medium" for consistent matching |
| 2026-05-16T09:03:16.281046+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-06-05T07:40:39.550215+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. |
| 2026-06-10T07:46:50.016186+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. |