Overview
- External ontology
- mediadive.medium:585 (source link unavailable) — BCYE AGAR
- Applications
-
- Microbial cultivation
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium585.pdf
Composition
flowchart LR
CultureMech_001711["bcye_agar"]
ing0_OXOID_Legionella_CYE_Agar_base["OXOID Legionella CYE-Agar base"]
CultureMech_001711 --> ing0_OXOID_Legionella_CYE_Agar_base
ing1_Yeast_extract["Yeast extract"]
CultureMech_001711 --> ing1_Yeast_extract
ing2_ACES["ACES"]
CultureMech_001711 --> ing2_ACES
CHEBI_39061["CHEBI:39061"]
ing2_ACES -.-> CHEBI_39061
ing3_Activated_charcoal["Activated charcoal"]
CultureMech_001711 --> ing3_Activated_charcoal
ing4_Agar["Agar"]
CultureMech_001711 --> ing4_Agar
CHEBI_2509["CHEBI:2509"]
ing4_Agar -.-> CHEBI_2509
ing5_L_Cysteine_HCl_x_H2O["L-Cysteine HCl x H2O"]
CultureMech_001711 --> ing5_L_Cysteine_HCl_x_H2O
CHEBI_91248["CHEBI:91248"]
ing5_L_Cysteine_HCl_x_H2O -.-> CHEBI_91248
ing6_Fe4_PO4_2["Fe4(PO4)2"]
CultureMech_001711 --> ing6_Fe4_PO4_2
CHEBI_132767["CHEBI:132767"]
ing6_Fe4_PO4_2 -.-> CHEBI_132767
Ingredients (7)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | OXOID Legionella CYE-Agar base | 1000 G_PER_L | ||
| 2 | Yeast extract | 20.4082 G_PER_L | ||
| 3 | ACES | 20.4082 G_PER_L |
CHEBI:39061
ACES
|
|
| 4 | Activated charcoal | 4.08163 G_PER_L | ||
| 5 | Agar | 30.6122 G_PER_L |
CHEBI:2509
agar
|
|
| 6 |
L-Cysteine HCl x H2O
C3H7NO2S.H2O.HCl 175.637 g/mol
|
40 G_PER_L |
CHEBI:91248
L-cysteine hydrochloride hydrate
|
|
| 7 |
Fe4(PO4)2
4Fe.3O7P2 745.203 g/mol
|
25 G_PER_L |
CHEBI:132767
ferric pyrophosphate
|
Preparation
- Dehydrated media preparations are available from media distributors.
- We use OXOID Legionella CYE-Agar base with Legionella BCYE supplement.
- For solubilization of the lyophilized pellet use standard liquid media. Although Legionellae do not grow in those media they are suitable for resuspension and transfer onto agar plates.
- Note: Alternatively use CYE-ACES AGAR
- Add Cysteine-HCl, then ferric pyrophosphate solution to solution A. Adjust the complete medium to pH 6.9 ± 0.5 at 50°C with sterile 1.0 N KOH or HCl. The pH of the medium is critical. Finally, add solution B. Swirl medium in flask during dispensing to petri dishes or tubes in order to keep charcoal suspended.
- Dissolve ACES and bring to pH 6.9 by slowly adding 1 N KOH. Add the other components and dissolve by boiling. Autoclave at 121°C for 15 minutes. Cool to 50 - 55°C.
- Autoclave at 121°C and cool to 50 - 55°C.
- Prepare a fresh solution and filter-sterilize it.
- Prepare a fresh solution by heating to 50 - 55°C in a water-bath. Filter-sterilize solution separately.
- Please note: Soluble ferric pyrophosphate must be kept dry and in the dark. Do not use if chemical looses its green colour and becomes brown or yellow.
Target organisms
No target organisms are recorded.
Provenance
Merged from 1 source record.
- bcye_agar (CultureMech:001711)
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:11.647285Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 585 |
| 2026-03-13T06:19:06.609681Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:001711 |
| 2026-03-17T06:30:39.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:18.819897+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "BCYE AGAR" to "bcye_agar" for consistent matching |
| 2026-06-05T07:40:50.685261+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 3 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:37:34.581948+00:00 | primary-term-regrounding-v1.0 | Re-grounded wrong primary term id (OAK-verified) | 1 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi. |
| 2026-08-06T03:05:24.920948+00:00 | merge_recipes.py | MERGED_RECIPES | merged 1 source recipe(s) on fingerprint 8bbb67d5828808b782469d921828bd77bec66f22f0961666c8a3b837b73556d6 |