a1_medium

CultureMech:009904 bacterial COMPLEX LIQUID
Original name: A1 Medium

Overview

External ontology
TOGO:M513 — A1 Medium
Applications
  • Microbial cultivation
Notes
Source: https://togomedium.org/medium/M513 Original source: JCM - JCM_M512 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=512

Composition

flowchart LR
    CultureMech_009904["a1_medium"]
    ing0_Distilled_water["Distilled water"]
    CultureMech_009904 --> ing0_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing0_Distilled_water -.-> CHEBI_15377
    ing1_MgSO4_7H2O["MgSO4・7H2O"]
    CultureMech_009904 --> ing1_MgSO4_7H2O
    CHEBI_31795["CHEBI:31795"]
    ing1_MgSO4_7H2O -.-> CHEBI_31795
    ing2_NaCl["NaCl"]
    CultureMech_009904 --> ing2_NaCl
    CHEBI_26710["CHEBI:26710"]
    ing2_NaCl -.-> CHEBI_26710
    ing3_KH2PO4["KH2PO4"]
    CultureMech_009904 --> ing3_KH2PO4
    CHEBI_63036["CHEBI:63036"]
    ing3_KH2PO4 -.-> CHEBI_63036
    ing4_NH4Cl["NH4Cl"]
    CultureMech_009904 --> ing4_NH4Cl
    CHEBI_31206["CHEBI:31206"]
    ing4_NH4Cl -.-> CHEBI_31206
    ing5_KCl["KCl"]
    CultureMech_009904 --> ing5_KCl
    CHEBI_32588["CHEBI:32588"]
    ing5_KCl -.-> CHEBI_32588
    ing6_NaHCO3["NaHCO3"]
    CultureMech_009904 --> ing6_NaHCO3
    CHEBI_32139["CHEBI:32139"]
    ing6_NaHCO3 -.-> CHEBI_32139
    ing7_DL_vitamins__see_below_["DL vitamins (see below)"]
    CultureMech_009904 --> ing7_DL_vitamins__see_below_
    ing8_DL_minerals__see_below_["DL minerals (see below)"]
    CultureMech_009904 --> ing8_DL_minerals__see_below_
    ing9_Carbon_dioxide_gas["Carbon dioxide gas"]
    CultureMech_009904 --> ing9_Carbon_dioxide_gas
    CHEBI_16526["CHEBI:16526"]
    ing9_Carbon_dioxide_gas -.-> CHEBI_16526
    ing10_Nitrogen_gas["Nitrogen gas"]
    CultureMech_009904 --> ing10_Nitrogen_gas
    CHEBI_17997["CHEBI:17997"]
    ing10_Nitrogen_gas -.-> CHEBI_17997
    ing11_CaCl2_2H2O["CaCl2・2H2O"]
    CultureMech_009904 --> ing11_CaCl2_2H2O
    CHEBI_86158["CHEBI:86158"]
    ing11_CaCl2_2H2O -.-> CHEBI_86158
    ing12_Na2MoO4_2H2O["Na2MoO4・2H2O"]
    CultureMech_009904 --> ing12_Na2MoO4_2H2O
    CHEBI_75213["CHEBI:75213"]
    ing12_Na2MoO4_2H2O -.-> CHEBI_75213
    ing13_H3BO3["H3BO3"]
    CultureMech_009904 --> ing13_H3BO3
    CHEBI_33118["CHEBI:33118"]
    ing13_H3BO3 -.-> CHEBI_33118
    ing14_FeSO4_7H2O["FeSO4・7H2O"]
    CultureMech_009904 --> ing14_FeSO4_7H2O
    CHEBI_75836["CHEBI:75836"]
    ing14_FeSO4_7H2O -.-> CHEBI_75836
    ing15_CoCl2_6H2O["CoCl2・6H2O"]
    CultureMech_009904 --> ing15_CoCl2_6H2O
    CHEBI_35696["CHEBI:35696"]
    ing15_CoCl2_6H2O -.-> CHEBI_35696
    ing16_NiCl2_6H2O["NiCl2・6H2O"]
    CultureMech_009904 --> ing16_NiCl2_6H2O
    CHEBI_34887["CHEBI:34887"]
    ing16_NiCl2_6H2O -.-> CHEBI_34887
    ing17_ZnCl2["ZnCl2"]
    CultureMech_009904 --> ing17_ZnCl2
    CHEBI_49976["CHEBI:49976"]
    ing17_ZnCl2 -.-> CHEBI_49976
    ing18_CuSO4_5H2O["CuSO4・5H2O"]
    CultureMech_009904 --> ing18_CuSO4_5H2O
    CHEBI_31440["CHEBI:31440"]
    ing18_CuSO4_5H2O -.-> CHEBI_31440
    ing19_AlK_SO4_2_12H2O["AlK(SO4)2・12H2O"]
    CultureMech_009904 --> ing19_AlK_SO4_2_12H2O
    CHEBI_86465["CHEBI:86465"]
    ing19_AlK_SO4_2_12H2O -.-> CHEBI_86465
    ing20_Na2WO4_2H2O["Na2WO4・2H2O"]
    CultureMech_009904 --> ing20_Na2WO4_2H2O
    CHEBI_63939["CHEBI:63939"]
    ing20_Na2WO4_2H2O -.-> CHEBI_63939
    ing21_MnSO4_xH2O["MnSO4・xH2O"]
    CultureMech_009904 --> ing21_MnSO4_xH2O
    CHEBI_86360["CHEBI:86360"]
    ing21_MnSO4_xH2O -.-> CHEBI_86360
    ing22_Nitrilotriacetic_acid__trisodium_salt["Nitrilotriacetic acid, trisodium salt"]
    CultureMech_009904 --> ing22_Nitrilotriacetic_acid__trisodium_salt
    CHEBI_132766["CHEBI:132766"]
    ing22_Nitrilotriacetic_acid__trisodium_salt -.-> CHEBI_132766
    ing23_Biotin["Biotin"]
    CultureMech_009904 --> ing23_Biotin
    CHEBI_15956["CHEBI:15956"]
    ing23_Biotin -.-> CHEBI_15956
    ing24_p__Aminobenzoic_acid["p--Aminobenzoic acid"]
    CultureMech_009904 --> ing24_p__Aminobenzoic_acid
    CHEBI_30753["CHEBI:30753"]
    ing24_p__Aminobenzoic_acid -.-> CHEBI_30753
    ing25_Thiamine_HCl["Thiamine・HCl"]
    CultureMech_009904 --> ing25_Thiamine_HCl
    CHEBI_49105["CHEBI:49105"]
    ing25_Thiamine_HCl -.-> CHEBI_49105
    ing26_Pyridoxine_HCl["Pyridoxine・HCl"]
    CultureMech_009904 --> ing26_Pyridoxine_HCl
    CHEBI_30961["CHEBI:30961"]
    ing26_Pyridoxine_HCl -.-> CHEBI_30961
    ing27_Folic_acid["Folic acid"]
    CultureMech_009904 --> ing27_Folic_acid
    CHEBI_27470["CHEBI:27470"]
    ing27_Folic_acid -.-> CHEBI_27470
    ing28_Vitamin_B12["Vitamin B12"]
    CultureMech_009904 --> ing28_Vitamin_B12
    CHEBI_176843["CHEBI:176843"]
    ing28_Vitamin_B12 -.-> CHEBI_176843
    ing29_Riboflavin["Riboflavin"]
    CultureMech_009904 --> ing29_Riboflavin
    CHEBI_17015["CHEBI:17015"]
    ing29_Riboflavin -.-> CHEBI_17015
    CultureMech_009904 --> more["...6 more"]

Ingredients (36)

# Ingredient Concentration Ontology Notes
1 Distilled water
H2O 18.015 g/mol
123.0 G_PER_L CHEBI:15377
water
Role: Solvating media; Properties: Inorganic compound, Defined component, Simple component [Merged 6 duplicates: 1.0, 1.0, 1.0, 100.0, 10.0, 10.0]
2 MgSO4・7H2O
7H2O.Mg.O4S 246.473 g/mol
3.2 G_PER_L CHEBI:31795
magnesium sulfate heptahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component [Merged 2 duplicates: 0.2, 3.0]
3 NaCl
Cl.Na 58.443 g/mol
21.0 G_PER_L CHEBI:26710
sodium chloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component [Merged 2 duplicates: 20.0, 1.0]
4 KH2PO4
H2O4P.K 136.084 g/mol
0.1 G_PER_L CHEBI:63036
potassium dihydrogen phosphate
Role: Buffer; Properties: Inorganic compound, Defined component, Simple component
5 NH4Cl
Cl.H4N 53.492 g/mol
0.25 G_PER_L CHEBI:31206
ammonium chloride
Role: Nitrogen source; Properties: Inorganic compound, Defined component, Simple component
6 KCl
Cl.K 74.551 g/mol
0.77 G_PER_L CHEBI:32588
potassium chloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
7 NaHCO3
CHO3.Na 84.006 g/mol
2 G_PER_L CHEBI:32139
sodium hydrogencarbonate
Role: Buffer; Properties: Inorganic compound, Defined component, Simple component
8 DL vitamins (see below) 10 G_PER_L
9 DL minerals (see below) 10 G_PER_L
10 Carbon dioxide gas
CO2 44.009 g/mol
variable VARIABLE CHEBI:16526
carbon dioxide
Properties: ガス
11 Nitrogen gas
N2 28.014 g/mol
variable VARIABLE CHEBI:17997
dinitrogen
Properties: ガス
12 CaCl2・2H2O
Ca.2Cl.2H2O 147.014 g/mol
3.14 G_PER_L CHEBI:86158
calcium chloride dihydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component [Merged 2 duplicates: 0.1, 3.04]
13 Na2MoO4・2H2O
2H2O.MoO4.2Na 241.946 g/mol
0.025 G_PER_L CHEBI:75213
sodium molybdate dihydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
14 H3BO3
H3BO3 61.833 g/mol
0.01 G_PER_L CHEBI:33118
boric acid
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
15 FeSO4・7H2O
Fe.7H2O.O4S 278.013 g/mol
0.1 G_PER_L CHEBI:75836
iron(2+) sulfate heptahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
16 CoCl2・6H2O
2Cl.Co 129.839 g/mol
0.1 G_PER_L CHEBI:35696
cobalt dichloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
17 NiCl2・6H2O
Cl2Ni 129.599 g/mol
0.024 G_PER_L CHEBI:34887
nickel dichloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
18 ZnCl2
2Cl.Zn 136.296 g/mol
0.13 G_PER_L CHEBI:49976
zinc dichloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
19 CuSO4・5H2O
Cu.5H2O.O4S 249.684 g/mol
0.01 G_PER_L CHEBI:31440
copper(II) sulfate pentahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
20 AlK(SO4)2・12H2O
Al.12H2O.K.2O4S 474.386 g/mol
0.01 G_PER_L CHEBI:86465
potassium aluminium sulfate dodecahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
21 Na2WO4・2H2O
2H2O.2Na.O4W 329.846 g/mol
0.025 G_PER_L CHEBI:63939
sodium tungstate dihydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
22 MnSO4・xH2O
Mn.O4S 151.001 g/mol
0.5 G_PER_L CHEBI:86360
manganese(II) sulfate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
23 Nitrilotriacetic acid, trisodium salt
C6H6NO6.3Na 257.085 g/mol
1.5 G_PER_L CHEBI:132766
sodium nitrilotriacetate
Role: Mineral source; Properties: Organic compound, Defined component, Simple component
24 Biotin
C10H16N2O3S 244.316 g/mol
0.002 G_PER_L CHEBI:15956
biotin
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
25 p--Aminobenzoic acid
C7H7NO2 137.138 g/mol
0.005 G_PER_L CHEBI:30753
4-aminobenzoic acid
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
26 Thiamine・HCl
C12H17N4OS.Cl.HCl 337.276 g/mol
0.005 G_PER_L CHEBI:49105
thiamine hydrochloride
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
27 Pyridoxine・HCl
C8H11NO3.HCl 205.641 g/mol
0.01 G_PER_L CHEBI:30961
pyridoxine hydrochloride
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
28 Folic acid
C19H19N7O6 441.404 g/mol
0.002 G_PER_L CHEBI:27470
folic acid
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
29 Vitamin B12 0.0001 G_PER_L CHEBI:176843
vitamin B12
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
30 Riboflavin
C17H20N4O6 376.369 g/mol
0.005 G_PER_L CHEBI:17015
riboflavin
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
31 Nicotinic acid
C6H5NO2 123.111 g/mol
0.005 G_PER_L CHEBI:15940
nicotinic acid
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
32 Pantothenic acid
C9H17NO5 219.237 g/mol
0.005 G_PER_L CHEBI:7916
pantothenic acid
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
33 Thioctic acid
C8H14O2S2 206.332 g/mol
0.005 G_PER_L CHEBI:30314
(R)-lipoic acid
Role: Growth factor; Properties: Organic compound, Defined component, Simple component
34 MgCl2・6H2O
2Cl.6H2O.Mg 203.301 g/mol
21.2 G_PER_L CHEBI:86345
magnesium dichloride hexahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
35 Na2S・9H2O
9H2O.2Na.S 240.182 g/mol
0.4 G_PER_L CHEBI:76209
sodium sulfide nonahydrate
Role: Reducing agent; Properties: Inorganic compound, Defined component, Simple component
36 Galactose
C6H12O6 180.156 g/mol
0.901 G_PER_L CHEBI:28260
galactose
Role: Carbon source; Properties: Organic compound, Defined component, Simple component

Solutions

APM salts solution (autoclaved)

Dose: 0.2 G_PER_L

See mediadive_4295_APM_salts_solution_autoclaved.yaml for composition

Sulfide stock solution (autoclaved)

Dose: 0.1 G_PER_L

See mediadive_4296_Sulfide_stock_solution_autoclaved.yaml for composition

Galactose stock solution (filter--sterilized)

Dose: 0.1 G_PER_L

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-27T06:35:55.203935Z togo-import Imported from TOGO Medium Source: JCM, ID: M513
2026-01-28T19:48:27.866603Z chebi-enrichment Added CHEBI ontology terms to ingredients Enriched using MicrobeMediaParam and MediaDive chemical mappings
2026-02-03T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default concentration for ingredient: Carbon dioxide gas; Added default concentration for ingredient: Nitrogen gas
2026-03-09T08:04:46.089494+00:00 solution-migrator-v1.0 Migrated solutions from ingredients to solutions array Moved 3 solution(s) from ingredients
2026-03-13T03:09:16.622357Z data-quality-cleanup-v1.0 Data quality fixes Merged 8 duplicate ingredient(s)
2026-03-13T06:20:09.831723Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:009904
2026-03-14T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default solution name; Added default solution name; Added default solution name
2026-03-17T06:30:24.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:28.781893+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "A1 Medium" to "a1_medium" for consistent matching
2026-05-16T09:03:18.653083+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=2
2026-06-05T07:40:42.081086+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 18 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-06-08T23:19:34.446427+00:00 chebi-regrounding-v1.0 Corrected CHEBI ingredient grounding (shared-id regrounding audit, G21/G22/G24) Part of the shared-id CHEBI regrounding audit (G21/G22/G24): one or more ingredient groundings on this record that had been collapsed onto a chemically non-specific or shared CHEBI id were re-grounded to the correct chemically-specific term, verified against OAK chebi.db rdfs:label. See reports/chebi_grounding_audit.md.
2026-06-10T06:57:31.091523+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.
2026-06-10T07:46:50.837031+00:00 primary-term-label-canonicalization-v1.0 Canonicalized primary term label to OBO canonical (OAK) 3 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi.