1_10_r2a_gellan_gum_medium2

CultureMech:008724 bacterial COMPLEX LIQUID
Original name: 1/10 R2A gellan gum medium2

Overview

External ontology
TOGO:M2130 — 1/10 R2A gellan gum medium2
Applications
  • Microbial cultivation
Notes
Source: https://togomedium.org/medium/M2130 Original source: NBRC - NBRC_M1462 Original URL: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=1462

Composition

flowchart LR
    CultureMech_008724["1_10_r2a_gellan_gum_medium2"]
    ing0_Distilled_water["Distilled water"]
    CultureMech_008724 --> ing0_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing0_Distilled_water -.-> CHEBI_15377
    ing1_MgSO4_7H2O["MgSO4·7H2O"]
    CultureMech_008724 --> ing1_MgSO4_7H2O
    CHEBI_31795["CHEBI:31795"]
    ing1_MgSO4_7H2O -.-> CHEBI_31795
    ing2_CaCl2_2H2O["CaCl2·2H2O"]
    CultureMech_008724 --> ing2_CaCl2_2H2O
    CHEBI_86158["CHEBI:86158"]
    ing2_CaCl2_2H2O -.-> CHEBI_86158
    ing3_K2HPO4["K2HPO4"]
    CultureMech_008724 --> ing3_K2HPO4
    CHEBI_131527["CHEBI:131527"]
    ing3_K2HPO4 -.-> CHEBI_131527
    ing4_Sodium_pyruvate["Sodium pyruvate"]
    CultureMech_008724 --> ing4_Sodium_pyruvate
    CHEBI_50144["CHEBI:50144"]
    ing4_Sodium_pyruvate -.-> CHEBI_50144
    ing5_Gellan_gum__if_needed_["Gellan gum (if needed)"]
    CultureMech_008724 --> ing5_Gellan_gum__if_needed_
    ing6_Glucose["Glucose"]
    CultureMech_008724 --> ing6_Glucose
    CHEBI_17234["CHEBI:17234"]
    ing6_Glucose -.-> CHEBI_17234
    ing7_Soluble_starch["Soluble starch"]
    CultureMech_008724 --> ing7_Soluble_starch
    CHEBI_28017["CHEBI:28017"]
    ing7_Soluble_starch -.-> CHEBI_28017
    ing8_Bacto_Yeast_Extract__Difco_["Bacto Yeast Extract (Difco)"]
    CultureMech_008724 --> ing8_Bacto_Yeast_Extract__Difco_
    ing9_Bacto_Proteose_Peptone_No__3__Difco_["Bacto Proteose Peptone No. 3 (Difco)"]
    CultureMech_008724 --> ing9_Bacto_Proteose_Peptone_No__3__Difco_
    ing10_Bacto_Casamino_Acids__Difco_["Bacto Casamino Acids (Difco)"]
    CultureMech_008724 --> ing10_Bacto_Casamino_Acids__Difco_

Ingredients (11)

# Ingredient Concentration Ontology Notes
1 Distilled water
H2O 18.015 g/mol
1 G_PER_L CHEBI:15377
water
Role: Solvating media; Properties: Defined component, Inorganic compound, Simple component
2 MgSO4·7H2O
7H2O.Mg.O4S 246.473 g/mol
0.005 G_PER_L CHEBI:31795
magnesium sulfate heptahydrate
Role: Mineral source; Properties: Defined component, Simple component, Inorganic compound
3 CaCl2·2H2O
Ca.2Cl.2H2O 147.014 g/mol
2 G_PER_L CHEBI:86158
calcium chloride dihydrate
Role: Mineral source; Properties: Defined component, Simple component, Inorganic compound
4 K2HPO4
HO4P.2K 174.174 g/mol
0.03 G_PER_L CHEBI:131527
dipotassium hydrogen phosphate
Role: Buffer; Properties: Simple component, Inorganic compound, Defined component
5 Sodium pyruvate
C3H3O3.Na 110.044 g/mol
0.03 G_PER_L CHEBI:50144
sodium pyruvate
Role: Carbon source; Properties: Defined component, Simple component, Organic compound
6 Gellan gum (if needed) 15 G_PER_L Role: Solidifying component; Properties: Undefined component, Organic compound
7 Glucose
C6H12O6 180.156 g/mol
0.05 G_PER_L CHEBI:17234
glucose
Role: Carbon source; Properties: Defined component, Organic compound, Simple component
8 Soluble starch 0.05 G_PER_L CHEBI:28017
starch
Role: Carbon source; Properties: Undefined component
9 Bacto Yeast Extract (Difco) 0.05 G_PER_L Properties: Undefined component
10 Bacto Proteose Peptone No. 3 (Difco) 0.05 G_PER_L Properties: Undefined component
11 Bacto Casamino Acids (Difco) 0.05 G_PER_L Properties: Undefined component

Target organisms

No target organisms are recorded.

Provenance

Merged from 1 source record.

TimestampCuratorActionNotes
2026-01-27T06:35:59.135384Z togo-import Imported from TOGO Medium Source: NBRC, ID: M2130
2026-01-28T19:48:22.599641Z chebi-enrichment Added CHEBI ontology terms to ingredients Enriched using MicrobeMediaParam and MediaDive chemical mappings
2026-03-13T06:19:59.818808Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:008724
2026-03-17T06:30:13.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:18.462285+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "1/10 R2A gellan gum medium2" to "1_10_r2a_gellan_gum_medium2" for consistent matching
2026-06-05T07:40:15.412724+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 6 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-06-10T06:57:12.272134+00:00 mgso4-heptahydrate-term-fix-v1.0 Corrected MgSO4·7H2O primary term grounding to heptahydrate Re-grounded 1 heptahydrate-labelled ingredient(s) from CHEBI:32599 (generic magnesium sulfate) to CHEBI:31795 (magnesium sulfate heptahydrate). Generic/hexahydrate labels untouched.
2026-06-10T07:46:42.474082+00:00 primary-term-label-canonicalization-v1.0 Canonicalized primary term label to OBO canonical (OAK) 1 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi.
2026-08-06T03:04:33.513490+00:00 merge_recipes.py MERGED_RECIPES merged 1 source recipe(s) on fingerprint 0fc024c1081146797deb830ca46bd1159dcb43b78242df854aedc5d861db4c31