Overview
- External ontology
- mediadive.medium:J201 (source link unavailable) — BSK MEDIUM
- Applications
-
- Microbial cultivation
- pH
- 7.6
- Notes
- Source: JCM | Link: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=201 Commercial Product: LB Medium (Luria-Bertani, Miller formulation) Supplier: Multiple suppliers (Difco, Sigma, etc.) Catalog: Multiple (L3522 Sigma, 244520 BD) Source: https://www.laboratorynotes.com/preparation-of-luria-bertani-lb-miller-broth/ Accessed: 2026-03-28 Constituent composition researched from product specification.
Composition
flowchart LR
CultureMech_002564["bsk_medium"]
ing0_CMRL_1066["CMRL 1066"]
CultureMech_002564 --> ing0_CMRL_1066
ing1_Neopeptone["Neopeptone"]
CultureMech_002564 --> ing1_Neopeptone
ing2_Tryptone["Tryptone"]
CultureMech_002564 --> ing2_Tryptone
ing3_Yeast_extract["Yeast extract"]
CultureMech_002564 --> ing3_Yeast_extract
ing4_Sodium_chloride["Sodium chloride"]
CultureMech_002564 --> ing4_Sodium_chloride
CHEBI_26710["CHEBI:26710"]
ing4_Sodium_chloride -.-> CHEBI_26710
ing5_HEPES["HEPES"]
CultureMech_002564 --> ing5_HEPES
CHEBI_46756["CHEBI:46756"]
ing5_HEPES -.-> CHEBI_46756
ing6_Trisodium_citrate["Trisodium citrate"]
CultureMech_002564 --> ing6_Trisodium_citrate
CHEBI_53258["CHEBI:53258"]
ing6_Trisodium_citrate -.-> CHEBI_53258
ing7_Glucose["Glucose"]
CultureMech_002564 --> ing7_Glucose
CHEBI_17234["CHEBI:17234"]
ing7_Glucose -.-> CHEBI_17234
ing8_Sodium_pyruvate["Sodium pyruvate"]
CultureMech_002564 --> ing8_Sodium_pyruvate
CHEBI_50144["CHEBI:50144"]
ing8_Sodium_pyruvate -.-> CHEBI_50144
ing9_N_Acetyl_D_glucosamine["N-Acetyl-D-glucosamine"]
CultureMech_002564 --> ing9_N_Acetyl_D_glucosamine
CHEBI_506227["CHEBI:506227"]
ing9_N_Acetyl_D_glucosamine -.-> CHEBI_506227
ing10_NaHCO3["NaHCO3"]
CultureMech_002564 --> ing10_NaHCO3
CHEBI_32139["CHEBI:32139"]
ing10_NaHCO3 -.-> CHEBI_32139
Ingredients (11)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | CMRL 1066 | 100 G_PER_L | ||
| 2 | Neopeptone | 5 G_PER_L | ||
| 3 |
Tryptone
Multiple suppliers (Difco, Sigma, etc.) LB Medium (Luria-Bertani, Miller formulation) Multiple (L3522 Sigma, 244520 BD)
|
10.0 G_PER_L |
MICRO:0000182 (source link unavailable)
tryptone
|
Pancreatic digest of casein providing amino acids, peptides, and nitrogen; Constituent of LB Medium (Luria-Bertani, Miller formulation) commercial product |
| 4 |
Yeast extract
Multiple suppliers (Difco, Sigma, etc.) LB Medium (Luria-Bertani, Miller formulation) Multiple (L3522 Sigma, 244520 BD)
|
5.0 G_PER_L |
FOODON:03315426
yeast extract
|
Autodigest of Saccharomyces cerevisiae providing vitamins, amino acids, and trace elements; Constituent of LB Medium (Luria-Bertani, Miller formulation) commercial product |
| 5 |
Sodium chloride
Cl.Na 58.443 g/mol
Multiple suppliers (Difco, Sigma, etc.) LB Medium (Luria-Bertani, Miller formulation) Multiple (L3522 Sigma, 244520 BD)
|
10.0 G_PER_L |
CHEBI:26710
sodium chloride
|
Maintains osmotic equilibrium (Miller formulation); Constituent of LB Medium (Luria-Bertani, Miller formulation) commercial product |
| 6 | HEPES | 6 G_PER_L |
CHEBI:46756
HEPES
|
|
| 7 |
Trisodium citrate
C6H5O7.3Na 258.069 g/mol
|
0.7 G_PER_L |
CHEBI:53258
sodium citrate
|
|
| 8 |
Glucose
C6H12O6 180.156 g/mol
|
5 G_PER_L |
CHEBI:17234
glucose
|
|
| 9 |
Sodium pyruvate
C3H3O3.Na 110.044 g/mol
|
0.8 G_PER_L |
CHEBI:50144
sodium pyruvate
|
|
| 10 |
N-Acetyl-D-glucosamine
C8H15NO6 221.209 g/mol
|
0.4 G_PER_L |
CHEBI:506227
N-acetyl-D-glucosamine
|
|
| 11 |
NaHCO3
CHO3.Na 84.006 g/mol
|
2.2 G_PER_L |
CHEBI:32139
sodium hydrogencarbonate
|
Preparation
- Mix all ingredients in a beaker with a stir bar. Adjust pH to 7.6. Add 200 ml of 7% gelatin. Filter-sterilize entire medium. Add sterile rabbit serum to final concentration of 6%.
Target organisms
No target organisms are recorded.
Provenance
Merged from 1 source record.
- JCM_J201_BSK_MEDIUM (CultureMech:002564)
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:15.948222Z | mediadive-import | Imported from MediaDive | Source: JCM, ID: J201 |
| 2026-03-13T06:19:14.188327Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:002564 |
| 2026-03-17T06:30:05.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:27.403139+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "BSK MEDIUM" to "bsk_medium" for consistent matching |
| 2026-06-05T07:40:16.825876+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. |
| 2026-08-06T03:04:35.801448+00:00 | merge_recipes.py | MERGED_RECIPES | merged 1 source recipe(s) on fingerprint 68a4043c328348ddce39777b8cb28d4e5921ce55abe6d05e3df4084a93e6dd41 |