1_2_r2a_medium_with_75_artificial_seawater

CultureMech:010168 bacterial COMPLEX LIQUID
Original name: 1/2 R2A Medium With 75% Artificial Seawater

Overview

External ontology
TOGO:M761 — 1/2 R2A Medium With 75% Artificial Seawater
Applications
  • Microbial cultivation
Notes
Source: https://togomedium.org/medium/M761 Original source: JCM - JCM_M736 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=736

Composition

flowchart LR
    CultureMech_010168["1_2_r2a_medium_with_75_artificial_seawater"]
    ing0_Distilled_water["Distilled water"]
    CultureMech_010168 --> ing0_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing0_Distilled_water -.-> CHEBI_15377
    ing1_MgSO4_7H2O["MgSO4·7H2O"]
    CultureMech_010168 --> ing1_MgSO4_7H2O
    CHEBI_31795["CHEBI:31795"]
    ing1_MgSO4_7H2O -.-> CHEBI_31795
    ing2_K2HPO4["K2HPO4"]
    CultureMech_010168 --> ing2_K2HPO4
    CHEBI_131527["CHEBI:131527"]
    ing2_K2HPO4 -.-> CHEBI_131527
    ing3_Sodium_pyruvate["Sodium pyruvate"]
    CultureMech_010168 --> ing3_Sodium_pyruvate
    CHEBI_50144["CHEBI:50144"]
    ing3_Sodium_pyruvate -.-> CHEBI_50144
    ing4_Glucose["Glucose"]
    CultureMech_010168 --> ing4_Glucose
    CHEBI_17234["CHEBI:17234"]
    ing4_Glucose -.-> CHEBI_17234
    ing5_Soluble_starch["Soluble starch"]
    CultureMech_010168 --> ing5_Soluble_starch
    CHEBI_28017["CHEBI:28017"]
    ing5_Soluble_starch -.-> CHEBI_28017
    ing6_Yeast_extract__BD_Difco_["Yeast extract (BD-Difco)"]
    CultureMech_010168 --> ing6_Yeast_extract__BD_Difco_
    ing7_Proteose_peptone_No__3__BD_Difco_["Proteose peptone No. 3 (BD-Difco)"]
    CultureMech_010168 --> ing7_Proteose_peptone_No__3__BD_Difco_
    ing8_Casamino_acids__BD_Difco_["Casamino acids (BD-Difco)"]
    CultureMech_010168 --> ing8_Casamino_acids__BD_Difco_
    ing9_Artificial_seawater__see_below_["Artificial seawater (see below)"]
    CultureMech_010168 --> ing9_Artificial_seawater__see_below_
    ing10_NaCl["NaCl"]
    CultureMech_010168 --> ing10_NaCl
    CHEBI_26710["CHEBI:26710"]
    ing10_NaCl -.-> CHEBI_26710
    ing11_CaCl2_2H2O["CaCl2·2H2O"]
    CultureMech_010168 --> ing11_CaCl2_2H2O
    CHEBI_86158["CHEBI:86158"]
    ing11_CaCl2_2H2O -.-> CHEBI_86158
    ing12_MgCl2_6H2O["MgCl2·6H2O"]
    CultureMech_010168 --> ing12_MgCl2_6H2O
    CHEBI_86345["CHEBI:86345"]
    ing12_MgCl2_6H2O -.-> CHEBI_86345
    ing13_H3BO3["H3BO3"]
    CultureMech_010168 --> ing13_H3BO3
    CHEBI_33118["CHEBI:33118"]
    ing13_H3BO3 -.-> CHEBI_33118
    ing14_KCl["KCl"]
    CultureMech_010168 --> ing14_KCl
    CHEBI_32588["CHEBI:32588"]
    ing14_KCl -.-> CHEBI_32588
    ing15_NaHCO3["NaHCO3"]
    CultureMech_010168 --> ing15_NaHCO3
    CHEBI_32139["CHEBI:32139"]
    ing15_NaHCO3 -.-> CHEBI_32139
    ing16_Na2SO4["Na2SO4"]
    CultureMech_010168 --> ing16_Na2SO4
    CHEBI_32149["CHEBI:32149"]
    ing16_Na2SO4 -.-> CHEBI_32149
    ing17_SrCl2_6H2O["SrCl2·6H2O"]
    CultureMech_010168 --> ing17_SrCl2_6H2O
    CHEBI_36385["CHEBI:36385"]
    ing17_SrCl2_6H2O -.-> CHEBI_36385
    ing18_NaF["NaF"]
    CultureMech_010168 --> ing18_NaF
    CHEBI_28741["CHEBI:28741"]
    ing18_NaF -.-> CHEBI_28741
    ing19_KBr["KBr"]
    CultureMech_010168 --> ing19_KBr
    CHEBI_32030["CHEBI:32030"]
    ing19_KBr -.-> CHEBI_32030

Ingredients (20)

# Ingredient Concentration Ontology Notes
1 Distilled water
H2O 18.015 g/mol
251.0 G_PER_L CHEBI:15377
water
Role: Solvating media; Properties: Inorganic compound, Defined component, Simple component [Merged 2 duplicates: 250.0, 1.0]
2 MgSO4·7H2O
7H2O.Mg.O4S 246.473 g/mol
0.025 G_PER_L CHEBI:31795
magnesium sulfate heptahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
3 K2HPO4
HO4P.2K 174.174 g/mol
0.15 G_PER_L CHEBI:131527
dipotassium hydrogen phosphate
Role: Buffer; Properties: Inorganic compound, Defined component, Simple component
4 Sodium pyruvate
C3H3O3.Na 110.044 g/mol
0.15 G_PER_L CHEBI:50144
sodium pyruvate
Role: Carbon source; Properties: Organic compound, Defined component, Simple component
5 Glucose
C6H12O6 180.156 g/mol
0.25 G_PER_L CHEBI:17234
glucose
Role: Carbon source; Properties: Organic compound, Defined component, Simple component
6 Soluble starch 0.25 G_PER_L CHEBI:28017
starch
Role: Carbon source; Properties: Undefined component
7 Yeast extract (BD-Difco) 0.25 G_PER_L Properties: Undefined component
8 Proteose peptone No. 3 (BD-Difco) 0.25 G_PER_L Properties: Undefined component
9 Casamino acids (BD-Difco) 0.25 G_PER_L Properties: Undefined component
10 Artificial seawater (see below) 750 G_PER_L
11 NaCl
Cl.Na 58.443 g/mol
23.5 G_PER_L CHEBI:26710
sodium chloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
12 CaCl2·2H2O
Ca.2Cl.2H2O 147.014 g/mol
1.1 G_PER_L CHEBI:86158
calcium chloride dihydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
13 MgCl2·6H2O
2Cl.6H2O.Mg 203.301 g/mol
4.9 G_PER_L CHEBI:86345
magnesium dichloride hexahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
14 H3BO3
H3BO3 61.833 g/mol
0.026 G_PER_L CHEBI:33118
boric acid
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
15 KCl
Cl.K 74.551 g/mol
0.66 G_PER_L CHEBI:32588
potassium chloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
16 NaHCO3
CHO3.Na 84.006 g/mol
0.19 G_PER_L CHEBI:32139
sodium hydrogencarbonate
Role: Buffer; Properties: Inorganic compound, Defined component, Simple component
17 Na2SO4
2Na.O4S 142.043 g/mol
3.9 G_PER_L CHEBI:32149
sodium sulfate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
18 SrCl2·6H2O
Cl2Sr.6H2O 266.616 g/mol
0.024 G_PER_L CHEBI:36385
strontium dichloride hexahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
19 NaF
F.Na 41.988 g/mol
0.003 G_PER_L CHEBI:28741
sodium fluoride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
20 KBr
Br.K 119.002 g/mol
0.096 G_PER_L CHEBI:32030
potassium bromide
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component

Target organisms

No target organisms are recorded.

Provenance

Merged from 1 source record.

TimestampCuratorActionNotes
2026-01-27T06:35:55.660047Z togo-import Imported from TOGO Medium Source: JCM, ID: M761
2026-01-28T19:48:23.219244Z chebi-enrichment Added CHEBI ontology terms to ingredients Enriched using MicrobeMediaParam and MediaDive chemical mappings
2026-03-13T03:09:08.392679Z data-quality-cleanup-v1.0 Data quality fixes Merged 1 duplicate ingredient(s)
2026-03-13T06:20:11.806373Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:010168
2026-03-17T06:30:14.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:30.739405+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "1/2 R2A Medium With 75% Artificial Seawater" to "1_2_r2a_medium_with_75_artificial_seawater" for consistent matching
2026-06-05T07:40:44.172978+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 15 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-06-10T06:57:32.824638+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.
2026-06-10T07:46:51.547115+00:00 primary-term-label-canonicalization-v1.0 Canonicalized primary term label to OBO canonical (OAK) 5 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi.
2026-08-06T03:05:19.029403+00:00 merge_recipes.py MERGED_RECIPES merged 1 source recipe(s) on fingerprint 5b6dd332029aea048e5dd9a14edeebad240a08efb3e1ffd9076bfd34b9d75f1c