Overview
- External ontology
- mediadive.medium:238 (source link unavailable) — STREPTOMYCIN NUTRIENT AGAR
- Applications
-
- Microbial cultivation
- pH
- 7.0
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium238.pdf
Composition
flowchart LR
CultureMech_001340["streptomycin_nutrient_agar"]
ing0_Peptone["Peptone"]
CultureMech_001340 --> ing0_Peptone
ing1_Meat_extract["Meat extract"]
CultureMech_001340 --> ing1_Meat_extract
ing2_Agar["Agar"]
CultureMech_001340 --> ing2_Agar
CHEBI_2509["CHEBI:2509"]
ing2_Agar -.-> CHEBI_2509
ing3_Streptomycin_sulfate["Streptomycin sulfate"]
CultureMech_001340 --> ing3_Streptomycin_sulfate
Ingredients (4)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Peptone | 5 G_PER_L |
MICRO:0000178 (source link unavailable)
Peptone
|
|
| 2 | Meat extract | 3 G_PER_L | ||
| 3 | Agar | 15 G_PER_L |
CHEBI:2509
agar
|
(if necessary) |
| 4 | Streptomycin sulfate | 0.04 G_PER_L |
Preparation
- Adjust pH to 7.0. For Bacillus strains the addition of 10.0 mg MnSO4 x H2O is recommended for sporulation.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:10.576462Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 238 |
| 2026-03-13T06:19:03.288915Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:001340 |
| 2026-03-17T06:29:47.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:15.196502+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "STREPTOMYCIN NUTRIENT AGAR" to "streptomycin_nutrient_agar" for consistent matching |
| 2026-06-05T07:41:47.065946+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. |
| 2026-09-13T00:00:00-07:00 | repair_bacterial_score10_exact_terms_batch7.py | GROUNDED_BACTERIAL_SCORE10_EXACT_TERMS_BATCH7 | Applied local mappings for Peptone. |
| 2026-10-07T10:55:41.454416+00:00 | codex | CURATED_MEDIUM_CONCENTRATION_SOURCE_EVIDENCE | Exact medium/source membership, ingredient inventory/forms, physical-state conditions, literal snippets, and arithmetic checked. Stock boundaries, source-only rows, preparation context, and variants remain explicit follow-up tasks; secondary chemical mappings unchanged. |