Overview
- External ontology
- nbrc.medium:1286 (source link unavailable) — NBRC Medium 1286
- pH
- 7.0
- Notes
- Source: NBRC Medium 1286 | Link: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=1286 NBRC lists 1/3 Diluted LB Medium with Biphenyl at pH 7.0, made from Bacto tryptone, yeast extract, NaCl, distilled water, and agar. Biphenyl crystal is supplied on a petri-dish lid as a vapor phase.
Composition
flowchart LR
CultureMech_007469["1/3 Diluted LB Medium with Biphenyl"]
ing0_Bacto_tryptone["Bacto tryptone"]
CultureMech_007469 --> ing0_Bacto_tryptone
ing1_Yeast_extract["Yeast extract"]
CultureMech_007469 --> ing1_Yeast_extract
ing2_NaCl["NaCl"]
CultureMech_007469 --> ing2_NaCl
CHEBI_26710["CHEBI:26710"]
ing2_NaCl -.-> CHEBI_26710
ing3_Distilled_water["Distilled water"]
CultureMech_007469 --> ing3_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing3_Distilled_water -.-> CHEBI_15377
ing4_Agar["Agar"]
CultureMech_007469 --> ing4_Agar
CHEBI_2509["CHEBI:2509"]
ing4_Agar -.-> CHEBI_2509
ing5_Biphenyl_crystal["Biphenyl crystal"]
CultureMech_007469 --> ing5_Biphenyl_crystal
CHEBI_17097["CHEBI:17097"]
ing5_Biphenyl_crystal -.-> CHEBI_17097
Ingredients (6)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Bacto tryptone | 3.3 G_PER_L |
MICRO:0000182 (source link unavailable)
tryptone
|
NBRC Medium 1286 lists 3.3 g Bacto tryptone. |
| 2 | Yeast extract | 1.6 G_PER_L |
FOODON:03315426
yeast extract
|
NBRC Medium 1286 lists 1.6 g yeast extract. |
| 3 |
NaCl
Cl.Na 58.443 g/mol
|
3.3 G_PER_L |
CHEBI:26710
sodium chloride
|
NBRC Medium 1286 lists 3.3 g NaCl. |
| 4 |
Distilled water
H2O 18.015 g/mol
|
1 L |
CHEBI:15377
water
|
NBRC Medium 1286 lists 1 L distilled water. |
| 5 | Agar | 15 G_PER_L |
CHEBI:2509
agar
|
NBRC Medium 1286 lists 15 g agar. |
| 6 |
Biphenyl crystal
C12H10 154.212 g/mol
|
variable VARIABLE |
CHEBI:17097
biphenyl
|
NBRC Medium 1286 supplies biphenyl crystal on a petri-dish lid as a vapor phase. |
Preparation
- Dissolve Bacto tryptone, yeast extract, NaCl, and agar in 1 L distilled water.
- Adjust pH to 7.0.
- Supply biphenyl crystal on a petri-dish lid as a vapor phase.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-02-20T00:22:36.052413Z | nbrc-import | Imported from NBRC | Source: NBRC, Media No. 1286, URL: http://www.nbrc.nite.go.jp/NBRC2/NBRCMediumDetailServlet?NO=1286. Imported via ethical web scraping. |
| 2026-03-13T03:09:17.204574Z | data-quality-cleanup-v1.0 | Data quality fixes | Merged 6 duplicate ingredient(s) |
| 2026-03-13T06:19:49.180382Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:007469 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default concentration for ingredient: Bacto tryptone3.3gYeast extract1.6gNaCl3.3gDistilled water1LAgar15gpH 7.0Biphenyl crystal is supplied on a lid of petri dish as vapor phase. |
| 2026-05-16T09:03:06.625270+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-08-19T21:54:22.722237+00:00 | recover_nbrc_composition.py | Recovered composition from source HTML | Re-parsed the NBRC medium 1286 composition table from the preserved scrape; 5 ingredient(s) restored, 0 stock solution(s) nested rather than flattened, 0 unparsed solution blob(s) removed (#299). |
| 2026-08-20T19:01:15.862429+00:00 | apply_mim_groundings.py | Adopted MIM published grounding | Grounded 3 ingredient(s) from MIM's ingredient_mappings.sssom.tsv (2026-08-18), exactMatch only, where this record carried no CHEBI term (#308). |
| 2026-09-11T00:00:00-07:00 | repair_nbrc_1287_score15.py | RESOLVED_NBRC_1287_SCORE15 | Added the NBRC Medium 1286 source term and official title, grounded the LB and agar formula, recorded pH 7.0, and represented the vapor-phase biphenyl crystal as a variable component. |