nutrient_agar_for_sporulation

CultureMech:008929 bacterial COMPLEX SOLID_AGAR
Original name: Nutrient Agar (For sporulation)

Overview

External ontology
TOGO:M2341 — Nutrient Agar (For sporulation)
Applications
  • Microbial cultivation
pH
7.0
Notes
TOGO M2341 reports the DSMZ Medium 1 sporulation variant for Bacillus strains: 1000 ml distilled water, 5 g peptone, 3 g Meat extract, 15 g agar if necessary, and 10 mg MnSO4 x H2O, adjusted to pH 7.0.

Composition

flowchart LR
    CultureMech_008929["nutrient_agar_for_sporulation"]
    ing0_Distilled_water["Distilled water"]
    CultureMech_008929 --> ing0_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing0_Distilled_water -.-> CHEBI_15377
    ing1_MnSO4_x_H2O["MnSO4 x H2O"]
    CultureMech_008929 --> ing1_MnSO4_x_H2O
    CHEBI_86364["CHEBI:86364"]
    ing1_MnSO4_x_H2O -.-> CHEBI_86364
    ing2_Agar__if_necessary["Agar, if necessary"]
    CultureMech_008929 --> ing2_Agar__if_necessary
    CHEBI_2509["CHEBI:2509"]
    ing2_Agar__if_necessary -.-> CHEBI_2509
    ing3_Meat_extract["Meat extract"]
    CultureMech_008929 --> ing3_Meat_extract
    ing4_Peptone["Peptone"]
    CultureMech_008929 --> ing4_Peptone

Ingredients (5)

# Ingredient Concentration Ontology Notes
1 Distilled water
H2O 18.015 g/mol
1.0 L CHEBI:15377
water
TOGO M2341 and DSMZ Medium 1 list 1000 ml Distilled water.
2 MnSO4 x H2O
H2O.Mn.O4S 169.016 g/mol
10.0 MG_PER_L CHEBI:86364
manganese(II) sulfate monohydrate
TOGO M2341 and DSMZ Medium 1 recommend adding 10 mg/L MnSO4 x H2O for sporulation of Bacillus strains.
3 Agar, if necessary 15.0 G_PER_L CHEBI:2509
agar
TOGO M2341 and DSMZ Medium 1 list 15.0 g/L Agar if necessary.
4 Meat extract 3.0 G_PER_L TOGO M2341 and DSMZ Medium 1 list 3.0 g/L Meat extract; this generic complex extract is retained without an ontology grounding.
5 Peptone 5.0 G_PER_L MICRO:0000178 (source link unavailable)
Peptone
TOGO M2341 and DSMZ Medium 1 list 5.0 g/L Peptone.

Preparation

  1. Adjust pH to 7.0.

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-27T06:35:56.369313Z togo-import Imported from TOGO Medium Source: TOGO, ID: M2341
2026-01-28T19:48:10.747759Z chebi-enrichment Added CHEBI ontology terms to ingredients Enriched using MicrobeMediaParam and MediaDive chemical mappings
2026-03-13T06:20:01.342103Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:008929
2026-03-17T06:29:48.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:20.060514+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Nutrient Agar (For sporulation)" to "nutrient_agar_for_sporulation" for consistent matching
2026-06-05T07:41:40.120274+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.
2026-06-08T23:19:49.441853+00:00 chebi-regrounding-v1.0 Corrected CHEBI ingredient grounding (audit G21/G22) Re-grounded 2 term reference(s) to the correct CHEBI (see reports/chebi_grounding_audit.md). Label-conditional fixes for pyridoxine/pyridoxamine, glycerol, MnSO4, Ca(NO3)2, selenate; casamino acids de-grounded (mixture, no single CHEBI).
2026-09-12T00:00:00-07:00 repair_nutrient_ncg_nssm_score15.py RESOLVED_TOGO_M2341_SCORE15 TOGO M2341 reports the DSMZ Medium 1 sporulation variant for Bacillus strains: 1000 ml distilled water, 5 g peptone, 3 g Meat extract, 15 g agar if necessary, and 10 mg MnSO4 x H2O, adjusted to pH 7.0.