btt_medium

CultureMech:000543 bacterial COMPLEX SOLID_AGAR
Original name: BTT MEDIUM

Overview

External ontology
mediadive.medium:1109 (source link unavailable) — BTT MEDIUM
Applications
  • Microbial cultivation
pH range
{'min': 5.5, 'max': 6.0}
Notes
Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium1109.pdf

Composition

flowchart LR
    CultureMech_000543["btt_medium"]
    ing0_Glucose["Glucose"]
    CultureMech_000543 --> ing0_Glucose
    CHEBI_17234["CHEBI:17234"]
    ing0_Glucose -.-> CHEBI_17234
    ing1_Yeast_extract["Yeast extract"]
    CultureMech_000543 --> ing1_Yeast_extract
    ing2_Meat_extract["Meat extract"]
    CultureMech_000543 --> ing2_Meat_extract
    ing3_Casitone["Casitone"]
    CultureMech_000543 --> ing3_Casitone
    ing4_Agar["Agar"]
    CultureMech_000543 --> ing4_Agar
    CHEBI_2509["CHEBI:2509"]
    ing4_Agar -.-> CHEBI_2509

Ingredients (5)

# Ingredient Concentration Ontology Notes
1 Glucose
C6H12O6 180.156 g/mol
10 G_PER_L CHEBI:17234
glucose
2 Yeast extract 1 G_PER_L FOODON:03315426
Yeast extract
3 Meat extract 1 G_PER_L
4 Casitone 2 G_PER_L MICRO:0000606 (source link unavailable)
Casitone
5 Agar 20 G_PER_L CHEBI:2509
agar

Preparation

  1. Adjust to pH 5.5 - 6.0 (can optionally be buffered with 25 mM MES).

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-26T17:53:13.408227Z mediadive-import Imported from MediaDive Source: DSMZ, ID: 1109
2026-03-13T06:18:56.243776Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:000543
2026-03-17T06:29:45.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:45:07.299790+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "BTT MEDIUM" to "btt_medium" for consistent matching
2026-05-20T06:01:10.436878+00:00 migrate_ph_range.py MIGRATED_PH_RANGE ph_range '5.5-6' -> {'min': 5.5, 'max': 6.0}
2026-06-05T07:40:51.782008+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 2 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_batch2.py GROUNDED_BACTERIAL_SCORE10_EXACT_TERMS_BATCH2 Applied local mappings for Casitone, Yeast extract.
2026-10-07T13:32:40.086487+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.