PYG Agar

CultureMech:007482 bacterial COMPLEX SOLID_AGAR

Overview

External ontology
nbrc.medium:25 (source link unavailable) — NBRC Medium 25
Notes
Source: NBRC Medium 25 | Link: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=25 The NBRC PYG Agar table lists proteose peptone, yeast extract, glucose, distilled water, and agar.

Composition

flowchart LR
    CultureMech_007482["PYG Agar"]
    ing0_Proteose_peptone["Proteose peptone"]
    CultureMech_007482 --> ing0_Proteose_peptone
    ing1_Yeast_extract["Yeast extract"]
    CultureMech_007482 --> ing1_Yeast_extract
    ing2_Glucose["Glucose"]
    CultureMech_007482 --> ing2_Glucose
    CHEBI_17234["CHEBI:17234"]
    ing2_Glucose -.-> CHEBI_17234
    ing3_Distilled_water["Distilled water"]
    CultureMech_007482 --> ing3_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing3_Distilled_water -.-> CHEBI_15377
    ing4_Agar["Agar"]
    CultureMech_007482 --> ing4_Agar
    CHEBI_2509["CHEBI:2509"]
    ing4_Agar -.-> CHEBI_2509

Ingredients (5)

# Ingredient Concentration Ontology Notes
1 Proteose peptone 1 G_PER_L MICRO:0000180 (source link unavailable)
Proteose Peptone
2 Yeast extract 1 G_PER_L FOODON:03315426
Yeast extract
3 Glucose
C6H12O6 180.156 g/mol
1 G_PER_L CHEBI:17234
glucose
4 Distilled water
H2O 18.015 g/mol
1 L CHEBI:15377
water
5 Agar 15 G_PER_L CHEBI:2509
agar

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-02-20T00:22:35.937541Z nbrc-import Imported from NBRC Source: NBRC, Media No. 25, URL: http://www.nbrc.nite.go.jp/NBRC2/NBRCMediumDetailServlet?NO=25. Imported via ethical web scraping.
2026-03-13T03:09:33.140694Z data-quality-cleanup-v1.0 Data quality fixes Merged 4 duplicate ingredient(s)
2026-03-13T06:19:49.217900Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:007482
2026-03-14T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default concentration for ingredient: Proteose peptone1gYeast extract1gGlucose1gDistilled water1LAgar15g
2026-05-16T09:03:06.671315+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=1
2026-08-19T21:54:22.847651+00:00 recover_nbrc_composition.py Recovered composition from source HTML Re-parsed the NBRC medium 25 composition table from the preserved scrape; 5 ingredient(s) restored, 0 stock solution(s) nested rather than flattened, 0 unparsed solution blob(s) removed (#299).
2026-08-20T19:01:15.958477+00:00 apply_mim_groundings.py Adopted MIM published grounding Grounded 3 ingredient(s) from MIM's ingredient_mappings.sssom.tsv (2026-08-18), exactMatch only, where this record carried no CHEBI term (#308).
2026-09-08T00:00:00-07:00 repair_nbrc_exact_score20.py RESOLVED_NBRC_EXACT_SCORE20 Resolved the recovered NBRC Medium 25 table as PYG Agar.