Overview
- External ontology
- mediadive.medium:J736 (source link unavailable) — 1/2 R2A MEDIUM WITH 75% ARTIFICIAL SEAWATER
- Applications
-
- Microbial cultivation
- pH
- 7.2
- Notes
- Source: JCM | Link: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=736
Composition
flowchart LR
CultureMech_003079["1_2_r2a_medium_with_75_artificial_seawater"]
ing0_Yeast_extract["Yeast extract"]
CultureMech_003079 --> ing0_Yeast_extract
ing1_Proteose_peptone_no__3["Proteose peptone no. 3"]
CultureMech_003079 --> ing1_Proteose_peptone_no__3
ing2_Casamino_acids["Casamino acids"]
CultureMech_003079 --> ing2_Casamino_acids
ing3_Glucose["Glucose"]
CultureMech_003079 --> ing3_Glucose
CHEBI_17234["CHEBI:17234"]
ing3_Glucose -.-> CHEBI_17234
ing4_Starch["Starch"]
CultureMech_003079 --> ing4_Starch
CHEBI_28017["CHEBI:28017"]
ing4_Starch -.-> CHEBI_28017
ing5_Sodium_pyruvate["Sodium pyruvate"]
CultureMech_003079 --> ing5_Sodium_pyruvate
CHEBI_50144["CHEBI:50144"]
ing5_Sodium_pyruvate -.-> CHEBI_50144
ing6_K2HPO4["K2HPO4"]
CultureMech_003079 --> ing6_K2HPO4
CHEBI_131527["CHEBI:131527"]
ing6_K2HPO4 -.-> CHEBI_131527
ing7_MgSO4_x_7_H2O["MgSO4 x 7 H2O"]
CultureMech_003079 --> ing7_MgSO4_x_7_H2O
CHEBI_31795["CHEBI:31795"]
ing7_MgSO4_x_7_H2O -.-> CHEBI_31795
ing8_NaCl["NaCl"]
CultureMech_003079 --> ing8_NaCl
CHEBI_26710["CHEBI:26710"]
ing8_NaCl -.-> CHEBI_26710
ing9_MgCl2_x_6_H2O["MgCl2 x 6 H2O"]
CultureMech_003079 --> ing9_MgCl2_x_6_H2O
CHEBI_86345["CHEBI:86345"]
ing9_MgCl2_x_6_H2O -.-> CHEBI_86345
ing10_Na2SO4["Na2SO4"]
CultureMech_003079 --> ing10_Na2SO4
CHEBI_32149["CHEBI:32149"]
ing10_Na2SO4 -.-> CHEBI_32149
ing11_CaCl2_x_2_H2O["CaCl2 x 2 H2O"]
CultureMech_003079 --> ing11_CaCl2_x_2_H2O
CHEBI_86158["CHEBI:86158"]
ing11_CaCl2_x_2_H2O -.-> CHEBI_86158
ing12_KCl["KCl"]
CultureMech_003079 --> ing12_KCl
CHEBI_32588["CHEBI:32588"]
ing12_KCl -.-> CHEBI_32588
ing13_NaHCO3["NaHCO3"]
CultureMech_003079 --> ing13_NaHCO3
CHEBI_32139["CHEBI:32139"]
ing13_NaHCO3 -.-> CHEBI_32139
ing14_KBr["KBr"]
CultureMech_003079 --> ing14_KBr
CHEBI_32030["CHEBI:32030"]
ing14_KBr -.-> CHEBI_32030
ing15_H3BO3["H3BO3"]
CultureMech_003079 --> ing15_H3BO3
CHEBI_33118["CHEBI:33118"]
ing15_H3BO3 -.-> CHEBI_33118
ing16_SrCl2_x_6_H2O["SrCl2 x 6 H2O"]
CultureMech_003079 --> ing16_SrCl2_x_6_H2O
CHEBI_36385["CHEBI:36385"]
ing16_SrCl2_x_6_H2O -.-> CHEBI_36385
ing17_NaF["NaF"]
CultureMech_003079 --> ing17_NaF
CHEBI_28741["CHEBI:28741"]
ing17_NaF -.-> CHEBI_28741
Ingredients (18)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Yeast extract | 0.25 G_PER_L | ||
| 2 | Proteose peptone no. 3 | 0.25 G_PER_L | ||
| 3 | Casamino acids | 0.25 G_PER_L | ||
| 4 |
Glucose
C6H12O6 180.156 g/mol
|
0.25 G_PER_L |
CHEBI:17234
glucose
|
|
| 5 | Starch | 0.25 G_PER_L |
CHEBI:28017
starch
|
|
| 6 |
Sodium pyruvate
C3H3O3.Na 110.044 g/mol
|
0.15 G_PER_L |
CHEBI:50144
sodium pyruvate
|
|
| 7 |
K2HPO4
HO4P.2K 174.174 g/mol
|
0.15 G_PER_L |
CHEBI:131527
dipotassium hydrogen phosphate
|
|
| 8 |
MgSO4 x 7 H2O
7H2O.Mg.O4S 246.473 g/mol
|
0.025 G_PER_L |
CHEBI:31795
magnesium sulfate heptahydrate
|
|
| 9 |
NaCl
Cl.Na 58.443 g/mol
|
23.5 G_PER_L |
CHEBI:26710
sodium chloride
|
|
| 10 |
MgCl2 x 6 H2O
2Cl.6H2O.Mg 203.301 g/mol
|
4.9 G_PER_L |
CHEBI:86345
magnesium dichloride hexahydrate
|
|
| 11 |
Na2SO4
2Na.O4S 142.043 g/mol
|
3.9 G_PER_L |
CHEBI:32149
sodium sulfate
|
|
| 12 |
CaCl2 x 2 H2O
Ca.2Cl.2H2O 147.014 g/mol
|
1.1 G_PER_L |
CHEBI:86158
calcium chloride dihydrate
|
|
| 13 |
KCl
Cl.K 74.551 g/mol
|
0.66 G_PER_L |
CHEBI:32588
potassium chloride
|
|
| 14 |
NaHCO3
CHO3.Na 84.006 g/mol
|
0.19 G_PER_L |
CHEBI:32139
sodium hydrogencarbonate
|
|
| 15 |
KBr
Br.K 119.002 g/mol
|
0.096 G_PER_L |
CHEBI:32030
potassium bromide
|
|
| 16 |
H3BO3
H3BO3 61.833 g/mol
|
0.026 G_PER_L |
CHEBI:33118
boric acid
|
|
| 17 |
SrCl2 x 6 H2O
Cl2Sr.6H2O 266.616 g/mol
|
0.024 G_PER_L |
CHEBI:36385
strontium dichloride hexahydrate
|
|
| 18 |
NaF
F.Na 41.988 g/mol
|
0.003 G_PER_L |
CHEBI:28741
sodium fluoride
|
Preparation
- Adjust pH to 7.2.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:17.436898Z | mediadive-import | Imported from MediaDive | Source: JCM, ID: J736 |
| 2026-01-28T19:48:43.062956Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:19:17.635377Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:003079 |
| 2026-03-17T06:30:57.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:31.377267+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 |
| 2026-06-05T07:40:15.519710+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 16 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-08T23:19:27.166781+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). |
| 2026-06-10T07:46:42.495188+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. |