Overview
- External ontology
- TOGO:M787 — Mycoplasma Medium
- Applications
-
- Microbial cultivation
- pH range
- {'min': 7.2, 'max': 7.6}
- Notes
- MediaDive J761 and TOGO M787 describe JCM Medium 761 Mycoplasma Medium as a 1.0 L solid agar medium containing 700.0 ml distilled water, 17.5 g Heart Infusion Broth, 10.0 g Bacto agar, 200.0 ml heat-inactivated horse serum, and 100.0 ml 25% Yeast Extract Solution.
Composition
flowchart LR
CultureMech_010196["mycoplasma_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_010196 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_Heart_Infusion_Broth["Heart Infusion Broth"]
CultureMech_010196 --> ing1_Heart_Infusion_Broth
ing2_Agar["Agar"]
CultureMech_010196 --> ing2_Agar
CHEBI_2509["CHEBI:2509"]
ing2_Agar -.-> CHEBI_2509
ing3_Horse_serum["Horse serum"]
CultureMech_010196 --> ing3_Horse_serum
Ingredients (4)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
700.0 ML_PER_L |
CHEBI:15377
water
|
TOGO M787 / JCM Medium 761 contributes 700.0 ml/L distilled water. |
| 2 | Heart Infusion Broth | 17.5 G_PER_L | TOGO M787 / JCM Medium 761 lists 17.5 g/L Heart Infusion Broth from BD-Difco. | |
| 3 | Agar | 10.0 G_PER_L |
CHEBI:2509
agar
|
TOGO M787 / JCM Medium 761 lists 10.0 g/L Bacto agar from BD-Difco. |
| 4 | Horse serum | 200.0 ML_PER_L | TOGO M787 / JCM Medium 761 adds 200.0 ml/L heat-inactivated horse serum. |
Preparation
- Dissolve Heart Infusion Broth and Agar in 700.0 ml/L distilled water.
- Autoclave the basal agar at 121 C for 15 min.
- Cool to 55 C and aseptically add 200.0 ml/L heat-inactivated horse serum and 100.0 ml/L filter-sterilized 25% Yeast Extract Solution warmed to 55 C.
- Adjust final pH to 7.2-7.6.
Solutions
25% Yeast Extract Solution
Dose: 100.0 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| Yeast extract | 25.0 PERCENT_W_V | TOGO M787 / JCM Medium 761 specifies 25% Yeast Extract Solution as 25.0% w/v. |
TOGO M787 / JCM Medium 761 adds 100.0 ml/L 25% Yeast Extract Solution.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:55.714727Z | togo-import | Imported from TOGO Medium | Source: JCM, ID: M787 |
| 2026-01-28T19:48:07.423575Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-09T08:04:11.961349+00:00 | solution-migrator-v1.0 | Migrated solutions from ingredients to solutions array | Moved 1 solution(s) from ingredients |
| 2026-03-13T06:20:12.040747Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:010196 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default solution name |
| 2026-03-17T06:29:40.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:30.979104+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "Mycoplasma Medium" to "mycoplasma_medium" for consistent matching |
| 2026-05-16T09:03:20.888520+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1 |
| 2026-06-05T07:40:44.459902+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 1 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_m787_mycoplasma_score15.py | RESOLVED_TOGO_M787_MYCOPLASMA_MEDIUM | Moved 25% Yeast Extract Solution from an empty solution stub into a structured stock solution, corrected water, horse serum, and yeast-extract stock units, added the final pH range, and linked the MediaDive J761 source duplicate. |