Overview
- External ontology
- nbrc.medium:1050 (source link unavailable) — NBRC Medium 1050
- pH
- 7.0
- Notes
- Source: NBRC Medium 1050 | Link: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=1050 The NBRC A medium table lists 18 top-level rows, nested trace-elements and vitamin solutions, and a final pH of 7.0.
Composition
flowchart LR
CultureMech_007452["1051"]
ing0_NaCl["NaCl"]
CultureMech_007452 --> ing0_NaCl
CHEBI_26710["CHEBI:26710"]
ing0_NaCl -.-> CHEBI_26710
ing1_Bacto_Yeast_Extract__Difco_["Bacto Yeast Extract (Difco)"]
CultureMech_007452 --> ing1_Bacto_Yeast_Extract__Difco_
ing2_MgCl2_6H2O["MgCl2·6H2O"]
CultureMech_007452 --> ing2_MgCl2_6H2O
ing3_MgSO4_7H2O["MgSO4·7H2O"]
CultureMech_007452 --> ing3_MgSO4_7H2O
ing4__NH4_2SO4["(NH4)2SO4"]
CultureMech_007452 --> ing4__NH4_2SO4
CHEBI_62946["CHEBI:62946"]
ing4__NH4_2SO4 -.-> CHEBI_62946
ing5_CaCl2_2H2O["CaCl2·2H2O"]
CultureMech_007452 --> ing5_CaCl2_2H2O
ing6_KH2PO4["KH2PO4"]
CultureMech_007452 --> ing6_KH2PO4
CHEBI_63036["CHEBI:63036"]
ing6_KH2PO4 -.-> CHEBI_63036
ing7_KCl["KCl"]
CultureMech_007452 --> ing7_KCl
CHEBI_32588["CHEBI:32588"]
ing7_KCl -.-> CHEBI_32588
ing8_NaBr["NaBr"]
CultureMech_007452 --> ing8_NaBr
CHEBI_63004["CHEBI:63004"]
ing8_NaBr -.-> CHEBI_63004
ing9_H3BO3["H3BO3"]
CultureMech_007452 --> ing9_H3BO3
CHEBI_33118["CHEBI:33118"]
ing9_H3BO3 -.-> CHEBI_33118
ing10_SrCl2_6H2O["SrCl2·6H2O"]
CultureMech_007452 --> ing10_SrCl2_6H2O
ing11_Fe_III__ammonium_citrate["Fe(III) ammonium citrate"]
CultureMech_007452 --> ing11_Fe_III__ammonium_citrate
ing12_Bis_Tris_Propane["Bis Tris Propane"]
CultureMech_007452 --> ing12_Bis_Tris_Propane
ing13_Trace_elements_solution_["Trace elements solution*"]
CultureMech_007452 --> ing13_Trace_elements_solution_
ing14_Vitamin_solution__["Vitamin solution**"]
CultureMech_007452 --> ing14_Vitamin_solution__
ing15_Resazurin["Resazurin"]
CultureMech_007452 --> ing15_Resazurin
CHEBI_8806["CHEBI:8806"]
ing15_Resazurin -.-> CHEBI_8806
ing16_Na2S_9H2O["Na2S·9H2O"]
CultureMech_007452 --> ing16_Na2S_9H2O
ing17_Distilled_water["Distilled water"]
CultureMech_007452 --> ing17_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing17_Distilled_water -.-> CHEBI_15377
Ingredients (18)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
NaCl
Cl.Na 58.443 g/mol
|
20 G_PER_L |
CHEBI:26710
sodium chloride
|
|
| 2 | Bacto Yeast Extract (Difco) | 2 G_PER_L |
FOODON:03315426
Yeast extract
|
|
| 3 | MgCl2·6H2O | 3 G_PER_L | ||
| 4 | MgSO4·7H2O | 6 G_PER_L | ||
| 5 |
(NH4)2SO4
2H4N.O4S 132.141 g/mol
|
1 G_PER_L |
CHEBI:62946
ammonium sulfate
|
|
| 6 | CaCl2·2H2O | 0.3 G_PER_L | ||
| 7 |
KH2PO4
H2O4P.K 136.084 g/mol
|
0.2 G_PER_L |
CHEBI:63036
potassium dihydrogen phosphate
|
|
| 8 |
KCl
Cl.K 74.551 g/mol
|
0.5 G_PER_L |
CHEBI:32588
potassium chloride
|
|
| 9 |
NaBr
Br.Na 102.894 g/mol
|
0.05 G_PER_L |
CHEBI:63004
sodium bromide
|
|
| 10 |
H3BO3
H3BO3 61.833 g/mol
|
0.025 G_PER_L |
CHEBI:33118
boric acid
|
|
| 11 | SrCl2·6H2O | 0.02 G_PER_L | ||
| 12 | Fe(III) ammonium citrate | 0.01 G_PER_L | ||
| 13 | Bis Tris Propane | 2.25 G_PER_L | ||
| 14 | Trace elements solution* | 10 ML_PER_L | ||
| 15 | Vitamin solution** | 10 ML_PER_L | ||
| 16 |
Resazurin
C12H7NO4 229.191 g/mol
|
1 MG_PER_L |
CHEBI:8806
Resazurin
|
|
| 17 | Na2S·9H2O | 0.3 G_PER_L | ||
| 18 |
Distilled water
H2O 18.015 g/mol
|
1 L |
CHEBI:15377
water
|
Preparation
- Mix all ingredients except vitamin solution and Na2S·9H2O.
- Adjust pH to 7.0 with H2SO4.
- Autoclave the medium under a N2 atmosphere.
- Autoclave Na2S·9H2O separately as a 5% solution under N2.
- Filter-sterilize the vitamin solution.
- Anaerobically add filter-sterile vitamin solution and sterile Na2S·9H2O.
Solutions
Trace elements solution
| Ingredient | Concentration | Notes |
|---|---|---|
| Nitrilotriacetic acid (NTA) | 4.1 G_PER_L | |
| FeCl3·6H2O | 0.36 G_PER_L | |
| MnCl2·4H2O | 0.09 G_PER_L | |
| CoCl2·6H2O | 0.15 G_PER_L | |
| CaCl2·2H2O | 0.018 G_PER_L | |
| ZnCl2 | 0.09 G_PER_L | |
| H3BO3 | 0.017 G_PER_L | |
| Na2MoO4·2H2O | 0.009 G_PER_L | |
| NiCl2·6H2O | 0.018 G_PER_L | |
| Na2SeO3 | 1.6 MG_PER_L | |
| Na2WO4 | 1.6 MG_PER_L | |
| AlK(SO4)2 | 5 MG_PER_L | |
| Distilled water | 1 L |
Vitamin solution
| Ingredient | Concentration | Notes |
|---|---|---|
| Biotin | 2 MG_PER_L | |
| Folic acid | 2 MG_PER_L | |
| Pyridoxine-HCl | 10 MG_PER_L | |
| Thiamine-HCl | 5 MG_PER_L | |
| Riboflavin | 5 MG_PER_L | |
| Nicotinic acid | 5 MG_PER_L | |
| Ca-pantothenate | 5 MG_PER_L | |
| p-Aminobenzoic acid | 1 MG_PER_L | |
| Vitamin B12 | 0.01 MG_PER_L | |
| Distilled water | 1 L |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-02-20T00:22:36.011606Z | nbrc-import | Imported from NBRC | Source: NBRC, Media No. 1050, URL: http://www.nbrc.nite.go.jp/NBRC2/NBRCMediumDetailServlet?NO=1050. Imported via ethical web scraping. |
| 2026-03-09T08:04:31.749262+00:00 | solution-migrator-v1.0 | Migrated solutions from ingredients to solutions array | Moved 1 solution(s) from ingredients |
| 2026-03-13T03:09:00.911185Z | data-quality-cleanup-v1.0 | Data quality fixes | Merged 92 duplicate ingredient(s) |
| 2026-03-13T06:19:49.128984Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:007452 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default solution name |
| 2026-05-16T09:03:06.566269+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-08-19T21:54:22.551525+00:00 | recover_nbrc_composition.py | Recovered composition from source HTML | Re-parsed the NBRC medium 1050 composition table from the preserved scrape; 18 ingredient(s) restored, 2 stock solution(s) nested rather than flattened, 1 unparsed solution blob(s) removed (#299). |
| 2026-08-20T19:01:15.722598+00:00 | apply_mim_groundings.py | Adopted MIM published grounding | Grounded 19 ingredient(s) from MIM's ingredient_mappings.sssom.tsv (2026-08-18), exactMatch only, where this record carried no CHEBI term (#308). |
| 2026-08-26T02:12:32.776902+00:00 | apply_mim_groundings.py | Adopted MIM published grounding | Grounded 1 ingredient(s) from MIM's ingredient_mappings.sssom.tsv (2026-08-18), exactMatch only, where this record carried no CHEBI term (#308). |
| 2026-09-07T00:00:00-07:00 | repair_nbrc_partial_score25.py | RESOLVED_NBRC_PARTIAL_SCORE25 | Preserved the recovered NBRC Medium 1050 composition table. |