Overview
- External ontology
- TOGO:M203 — Modified Medium 10
- Applications
-
- Microbial cultivation
- pH range
- {'min': 6.7, 'max': 6.8}
- Notes
- TOGO M203 preserves JCM Medium 210 as Modified Medium 10. TOGO M203 records 850 ml distilled water, 0.5 g each of cellobiose, glucose, soluble starch, and Yeast extract from BD-Difco, 18 g agar, 2 g Trypticase peptone from BD-BBL, 0.5 ml 0.1% Resazurin solution, 1 ml 1.0% Hemin solution, 100 ml 4% Na2SO3 solution, 2 ml 25% L-Ascorbic acid solution, 10 ml 5% L-Cysteine HCl H2O solution, and VFA and salt stocks from Medium 10 / TOGO M124, with pH adjusted to 6.7-6.8. It uses Medium 10 from JCM Medium 133 with 1 ml/L final 1% hemin solution and omits Toray silicone solution. The current JCM Medium 210 URL no longer exposes the recipe.
Composition
flowchart LR
CultureMech_008629["modified_medium_10"]
ing0_Distilled_water["Distilled water"]
CultureMech_008629 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_Cellobiose["Cellobiose"]
CultureMech_008629 --> ing1_Cellobiose
CHEBI_17057["CHEBI:17057"]
ing1_Cellobiose -.-> CHEBI_17057
ing2_Glucose["Glucose"]
CultureMech_008629 --> ing2_Glucose
CHEBI_17234["CHEBI:17234"]
ing2_Glucose -.-> CHEBI_17234
ing3_Soluble_starch["Soluble starch"]
CultureMech_008629 --> ing3_Soluble_starch
CHEBI_28017["CHEBI:28017"]
ing3_Soluble_starch -.-> CHEBI_28017
ing4_Agar["Agar"]
CultureMech_008629 --> ing4_Agar
CHEBI_2509["CHEBI:2509"]
ing4_Agar -.-> CHEBI_2509
ing5_Yeast_extract__BD_Difco_["Yeast extract (BD-Difco)"]
CultureMech_008629 --> ing5_Yeast_extract__BD_Difco_
ing6_Trypticase_peptone__BD_BBL_["Trypticase peptone (BD-BBL)"]
CultureMech_008629 --> ing6_Trypticase_peptone__BD_BBL_
Ingredients (7)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
850.0 ML_PER_L |
CHEBI:15377
water
|
TOGO M203 / JCM Medium 210 lists 850 ml distilled water. |
| 2 |
Cellobiose
C12H22O11 342.297 g/mol
|
0.5 G_PER_L |
CHEBI:17057
cellobiose
|
TOGO M203 / JCM Medium 210 lists 0.5 g/L Cellobiose. |
| 3 |
Glucose
C6H12O6 180.156 g/mol
|
0.5 G_PER_L |
CHEBI:17234
glucose
|
TOGO M203 / JCM Medium 210 lists 0.5 g/L Glucose. |
| 4 | Soluble starch | 0.5 G_PER_L |
CHEBI:28017
starch
|
TOGO M203 / JCM Medium 210 lists 0.5 g/L Soluble starch. |
| 5 | Agar | 18.0 G_PER_L |
CHEBI:2509
agar
|
TOGO M203 / JCM Medium 210 lists 18.0 g/L Agar. |
| 6 | Yeast extract (BD-Difco) | 0.5 G_PER_L |
FOODON:03315426
yeast extract
|
TOGO M203 / JCM Medium 210 lists 0.5 g/L Yeast extract from BD-Difco. |
| 7 | Trypticase peptone (BD-BBL) | 2.0 G_PER_L |
MICRO:0000175 (source link unavailable)
Trypticase peptone
|
TOGO M203 / JCM Medium 210 lists 2 g/L Trypticase peptone from BD-BBL. |
Preparation
- Adjust pH to 6.7-6.8.
- Use Medium 10 from JCM Medium 133 with 1.0 ml/L final 1% hemin solution, and omit Toray silicone solution.
Solutions
0.1% Resazurin solution
Dose: 0.5 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| Resazurin | 0.1 PERCENT_W_V | TOGO M203 / JCM Medium 210 identifies the redox indicator stock as 0.1% Resazurin. |
TOGO M203 / JCM Medium 210 adds 0.5 ml/L 0.1% Resazurin solution.
1.0% Hemin solution
Dose: 1.0 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| Hemin | 1.0 PERCENT_W_V | TOGO M203 / JCM Medium 210 identifies the growth-factor stock as 1.0% Hemin. |
TOGO M203 / JCM Medium 210 adds 1.0 ml/L 1.0% Hemin solution.
4% Na2SO3 solution
Dose: 100.0 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| Na2SO3 | 4.0 PERCENT_W_V | TOGO M203 / JCM Medium 210 identifies the reducing stock as 4% Na2SO3. |
TOGO M203 / JCM Medium 210 adds 100.0 ml/L 4% Na2SO3 solution.
25% L--Ascorbic acid solution
Dose: 2.0 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| L-Ascorbic acid | 25.0 PERCENT_W_V | TOGO M203 / JCM Medium 210 identifies the vitamin stock as 25% L-Ascorbic acid. |
TOGO M203 / JCM Medium 210 adds 2.0 ml/L 25% L--Ascorbic acid solution.
5% L--Cysteine・HCl・H2O solution
Dose: 10.0 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| L-Cysteine HCl H2O | 5.0 PERCENT_W_V | TOGO M203 / JCM Medium 210 identifies the cysteine stock as 5% L-Cysteine HCl H2O. |
TOGO M203 / JCM Medium 210 adds 10.0 ml/L 5% L--Cysteine・HCl・H2O solution.
VFA solution (see Medium [M124])
Dose: 3.1 ML_PER_L
TOGO M203 / JCM Medium 210 adds 3.1 ml/L VFA solution from Medium 10; TOGO M124 / JCM Medium 133 defines the source stock.
Salt solution No. 1 (see Medium [M124])
Dose: 37.5 ML_PER_L
TOGO M203 / JCM Medium 210 adds 37.5 ml/L Salt solution No. 1 from Medium 10; TOGO M124 / JCM Medium 133 defines the source stock.
Salt solution No. 2 (see Medium [M124])
Dose: 37.5 ML_PER_L
TOGO M203 / JCM Medium 210 adds 37.5 ml/L Salt solution No. 2 from Medium 10; TOGO M124 / JCM Medium 133 defines the source stock.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:54.605732Z | togo-import | Imported from TOGO Medium | Source: JCM, ID: M203 |
| 2026-01-28T19:48:31.851627Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-09T08:04:53.041477+00:00 | solution-migrator-v1.0 | Migrated solutions from ingredients to solutions array | Moved 8 solution(s) from ingredients |
| 2026-03-13T06:19:58.855911Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:008629 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default solution name; Added default solution name; Added default solution name; Added default solution name; Added default solution name; Added default solution name; Added default solution name; Added default solution name |
| 2026-03-17T06:30:33.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:17.478055+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "Modified Medium 10" to "modified_medium_10" for consistent matching |
| 2026-05-16T09:03:12.228666+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-06-05T07:40:35.377291+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 4 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-09-11T00:00:00-07:00 | repair_togo_m203_score15.py | RESOLVED_TOGO_M203_SCORE15 | TOGO M203 preserves JCM Medium 210 as Modified Medium 10. TOGO M203 records 850 ml distilled water, 0.5 g each of cellobiose, glucose, soluble starch, and Yeast extract from BD-Difco, 18 g agar, 2 g Trypticase peptone from BD-BBL, 0.5 ml 0.1% Resazurin solution, 1 ml 1.0% Hemin solution, 100 ml 4% Na2SO3 solution, 2 ml 25% L-Ascorbic acid solution, 10 ml 5% L-Cysteine HCl H2O solution, and VFA and salt stocks from Medium 10 / TOGO M124, with pH adjusted to 6.7-6.8. It uses Medium 10 from JCM Medium 133 with 1 ml/L final 1% hemin solution and omits Toray silicone solution. The current JCM Medium 210 URL no longer exposes the recipe. Corrected imported ml additions, added the TOGO pH range and Medium 10 note, represented simple concentration stocks, and marked the source formula as curated. |
| 2026-09-12T00:00:00-07:00 | repair_jcm_medium_10_duplicates_score15.py | LINKED_JCM_MEDIUM_10_SOURCE_DUPLICATE | Added or refreshed the reciprocal SOURCE_DUPLICATE link for bacterial/modified_medium_10.yaml. |