ktm_medium

CultureMech:008580 bacterial COMPLEX LIQUID
Original name: KTM medium

Overview

External ontology
TOGO:M1996 — KTM medium
Applications
  • Microbial cultivation
Notes
Source: https://togomedium.org/medium/M1996 Original source: NBRC - NBRC_M1282 Original URL: https://www.nite.go.jp/nbrc/catalogue/NBRCMediumDetailServlet?NO=1282

Composition

flowchart LR
    CultureMech_008580["ktm_medium"]
    ing0_Distilled_water["Distilled water"]
    CultureMech_008580 --> ing0_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing0_Distilled_water -.-> CHEBI_15377
    ing1_MgSO4_7H2O["MgSO4·7H2O"]
    CultureMech_008580 --> ing1_MgSO4_7H2O
    CHEBI_31795["CHEBI:31795"]
    ing1_MgSO4_7H2O -.-> CHEBI_31795
    ing2_NaCl["NaCl"]
    CultureMech_008580 --> ing2_NaCl
    CHEBI_26710["CHEBI:26710"]
    ing2_NaCl -.-> CHEBI_26710
    ing3_CaCl2_2H2O["CaCl2·2H2O"]
    CultureMech_008580 --> ing3_CaCl2_2H2O
    CHEBI_86158["CHEBI:86158"]
    ing3_CaCl2_2H2O -.-> CHEBI_86158
    ing4_KH2PO4["KH2PO4"]
    CultureMech_008580 --> ing4_KH2PO4
    CHEBI_63036["CHEBI:63036"]
    ing4_KH2PO4 -.-> CHEBI_63036
    ing5_NH4Cl["NH4Cl"]
    CultureMech_008580 --> ing5_NH4Cl
    CHEBI_31206["CHEBI:31206"]
    ing5_NH4Cl -.-> CHEBI_31206
    ing6_Resazurin["Resazurin"]
    CultureMech_008580 --> ing6_Resazurin
    CHEBI_8806["CHEBI:8806"]
    ing6_Resazurin -.-> CHEBI_8806
    ing7_MgCl2_6H2O["MgCl2·6H2O"]
    CultureMech_008580 --> ing7_MgCl2_6H2O
    CHEBI_86345["CHEBI:86345"]
    ing7_MgCl2_6H2O -.-> CHEBI_86345
    ing8_KCl["KCl"]
    CultureMech_008580 --> ing8_KCl
    CHEBI_32588["CHEBI:32588"]
    ing8_KCl -.-> CHEBI_32588
    ing9_Maltose["Maltose"]
    CultureMech_008580 --> ing9_Maltose
    CHEBI_18167["CHEBI:18167"]
    ing9_Maltose -.-> CHEBI_18167
    ing10_PIPES["PIPES"]
    CultureMech_008580 --> ing10_PIPES
    CHEBI_39033["CHEBI:39033"]
    ing10_PIPES -.-> CHEBI_39033
    ing11_Bacto_Yeast_Extract__Difco_["Bacto Yeast Extract (Difco)"]
    CultureMech_008580 --> ing11_Bacto_Yeast_Extract__Difco_
    ing12_Cysteine_HCl["Cysteine-HCl"]
    CultureMech_008580 --> ing12_Cysteine_HCl
    CHEBI_91247["CHEBI:91247"]
    ing12_Cysteine_HCl -.-> CHEBI_91247
    ing13_NaOH["NaOH"]
    CultureMech_008580 --> ing13_NaOH
    CHEBI_32145["CHEBI:32145"]
    ing13_NaOH -.-> CHEBI_32145
    ing14_N2["N2"]
    CultureMech_008580 --> ing14_N2
    CHEBI_17997["CHEBI:17997"]
    ing14_N2 -.-> CHEBI_17997
    ing15_Biotin["Biotin"]
    CultureMech_008580 --> ing15_Biotin
    CHEBI_15956["CHEBI:15956"]
    ing15_Biotin -.-> CHEBI_15956
    ing16_p_Aminobenzoic_acid["p-Aminobenzoic acid"]
    CultureMech_008580 --> ing16_p_Aminobenzoic_acid
    CHEBI_30753["CHEBI:30753"]
    ing16_p_Aminobenzoic_acid -.-> CHEBI_30753
    ing17_Thiamine_HCl["Thiamine-HCl"]
    CultureMech_008580 --> ing17_Thiamine_HCl
    CHEBI_49105["CHEBI:49105"]
    ing17_Thiamine_HCl -.-> CHEBI_49105
    ing18_Ca_pantothenate["Ca-pantothenate"]
    CultureMech_008580 --> ing18_Ca_pantothenate
    CHEBI_29032["CHEBI:29032"]
    ing18_Ca_pantothenate -.-> CHEBI_29032
    ing19_Pyridoxine_HCl["Pyridoxine-HCl"]
    CultureMech_008580 --> ing19_Pyridoxine_HCl
    CHEBI_30961["CHEBI:30961"]
    ing19_Pyridoxine_HCl -.-> CHEBI_30961
    ing20_Folic_acid["Folic acid"]
    CultureMech_008580 --> ing20_Folic_acid
    CHEBI_27470["CHEBI:27470"]
    ing20_Folic_acid -.-> CHEBI_27470
    ing21_Vitamin_B12["Vitamin B12"]
    CultureMech_008580 --> ing21_Vitamin_B12
    CHEBI_176843["CHEBI:176843"]
    ing21_Vitamin_B12 -.-> CHEBI_176843
    ing22_Riboflavin["Riboflavin"]
    CultureMech_008580 --> ing22_Riboflavin
    CHEBI_17015["CHEBI:17015"]
    ing22_Riboflavin -.-> CHEBI_17015
    ing23_Nicotinic_acid["Nicotinic acid"]
    CultureMech_008580 --> ing23_Nicotinic_acid
    CHEBI_15940["CHEBI:15940"]
    ing23_Nicotinic_acid -.-> CHEBI_15940
    ing24_Na2MoO4_2H2O["Na2MoO4·2H2O"]
    CultureMech_008580 --> ing24_Na2MoO4_2H2O
    CHEBI_75213["CHEBI:75213"]
    ing24_Na2MoO4_2H2O -.-> CHEBI_75213
    ing25_H3BO3["H3BO3"]
    CultureMech_008580 --> ing25_H3BO3
    CHEBI_33118["CHEBI:33118"]
    ing25_H3BO3 -.-> CHEBI_33118
    ing26_MnCl2_4H2O["MnCl2·4H2O"]
    CultureMech_008580 --> ing26_MnCl2_4H2O
    CHEBI_86368["CHEBI:86368"]
    ing26_MnCl2_4H2O -.-> CHEBI_86368
    ing27_CoCl2_6H2O["CoCl2·6H2O"]
    CultureMech_008580 --> ing27_CoCl2_6H2O
    CHEBI_35696["CHEBI:35696"]
    ing27_CoCl2_6H2O -.-> CHEBI_35696
    ing28_NiCl2_6H2O["NiCl2·6H2O"]
    CultureMech_008580 --> ing28_NiCl2_6H2O
    CHEBI_34887["CHEBI:34887"]
    ing28_NiCl2_6H2O -.-> CHEBI_34887
    ing29_CuCl2_2H2O["CuCl2·2H2O"]
    CultureMech_008580 --> ing29_CuCl2_2H2O
    CHEBI_86318["CHEBI:86318"]
    ing29_CuCl2_2H2O -.-> CHEBI_86318
    CultureMech_008580 --> more["...6 more"]

Ingredients (36)

# Ingredient Concentration Ontology Notes
1 Distilled water
H2O 18.015 g/mol
1.0 G_PER_L CHEBI:15377
water
Role: Solvating media; Properties: Inorganic compound, Defined component, Simple component [Collapsed 3 identical duplicates: 1.0, 1.0, 1.0]
2 MgSO4·7H2O
7H2O.Mg.O4S 246.473 g/mol
1.4 G_PER_L CHEBI:31795
magnesium sulfate heptahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
3 NaCl
Cl.Na 58.443 g/mol
31.0 G_PER_L CHEBI:26710
sodium chloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component [Merged 2 duplicates: 30.0, 1.0]
4 CaCl2·2H2O
Ca.2Cl.2H2O 147.014 g/mol
0.24000000000000002 G_PER_L CHEBI:86158
calcium chloride dihydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component [Merged 2 duplicates: 0.14, 0.1]
5 KH2PO4
H2O4P.K 136.084 g/mol
0.45 G_PER_L CHEBI:63036
potassium dihydrogen phosphate
Role: Buffer; Properties: Inorganic compound, Defined component, Simple component
6 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
7 Resazurin
C12H7NO4 229.191 g/mol
0.5 G_PER_L CHEBI:8806
Resazurin
Role: pH dependent redox indicator; Properties: Organic compound, Defined component, Simple component
8 MgCl2·6H2O
2Cl.6H2O.Mg 203.301 g/mol
0.9 G_PER_L CHEBI:86345
magnesium dichloride hexahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
9 KCl
Cl.K 74.551 g/mol
0.33 G_PER_L CHEBI:32588
potassium chloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
10 Maltose
C12H22O11 342.297 g/mol
5 G_PER_L CHEBI:18167
alpha-maltose
Role: Carbon source; Properties: Organic compound, Defined component, Simple component
11 PIPES 6.7 G_PER_L CHEBI:39033
PIPES
Role: Buffer; Properties: Organic compound, Defined component, Simple component
12 Bacto Yeast Extract (Difco) 5 G_PER_L Properties: Undefined component
13 Cysteine-HCl
C3H7NO2S.HCl 157.622 g/mol
0.5 G_PER_L CHEBI:91247
L-cysteine hydrochloride
Properties: Defined component, Simple component, Organic compound
14 NaOH
HO.Na 39.997 g/mol
variable VARIABLE CHEBI:32145
sodium hydroxide
Properties: Defined component, Inorganic compound, Solution
15 N2
N2 28.014 g/mol
variable VARIABLE CHEBI:17997
dinitrogen
Properties: Gas
16 Biotin
C10H16N2O3S 244.316 g/mol
2 G_PER_L CHEBI:15956
biotin
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
17 p-Aminobenzoic acid
C7H7NO2 137.138 g/mol
1 G_PER_L CHEBI:30753
4-aminobenzoic acid
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
18 Thiamine-HCl
C12H17N4OS.Cl.HCl 337.276 g/mol
5 G_PER_L CHEBI:49105
thiamine hydrochloride
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
19 Ca-pantothenate
C9H16NO5 218.229 g/mol
5 G_PER_L CHEBI:29032
(R)-pantothenate
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
20 Pyridoxine-HCl
C8H11NO3.HCl 205.641 g/mol
10 G_PER_L CHEBI:30961
pyridoxine hydrochloride
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
21 Folic acid
C19H19N7O6 441.404 g/mol
2 G_PER_L CHEBI:27470
folic acid
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
22 Vitamin B12 0.01 G_PER_L CHEBI:176843
vitamin B12
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
23 Riboflavin
C17H20N4O6 376.369 g/mol
5 G_PER_L CHEBI:17015
riboflavin
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
24 Nicotinic acid
C6H5NO2 123.111 g/mol
5 G_PER_L CHEBI:15940
nicotinic acid
Role: Vitamin; Properties: Organic compound, Defined component, Simple component
25 Na2MoO4·2H2O
2H2O.MoO4.2Na 241.946 g/mol
0.024 G_PER_L CHEBI:75213
sodium molybdate dihydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
26 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
27 MnCl2·4H2O
Cl2Mn.4H2O 197.904 g/mol
0.1 G_PER_L CHEBI:86368
manganese(II) chloride tetrahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
28 CoCl2·6H2O
2Cl.Co 129.839 g/mol
0.024 G_PER_L CHEBI:35696
cobalt dichloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
29 NiCl2·6H2O
Cl2Ni 129.599 g/mol
0.12 G_PER_L CHEBI:34887
nickel dichloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
30 CuCl2·2H2O
Cl2Cu.2H2O 170.482 g/mol
0.025 G_PER_L CHEBI:86318
copper(II) chloride dihydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
31 ZnCl2
2Cl.Zn 136.296 g/mol
0.1 G_PER_L CHEBI:49976
zinc dichloride
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
32 FeCl3·6H2O
Cl3Fe.6H2O 270.294 g/mol
1.35 G_PER_L CHEBI:86254
iron trichloride hexahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
33 KAl(SO4)2·12H2O
Al.12H2O.K.2O4S 474.386 g/mol
0.02 G_PER_L CHEBI:86465
potassium aluminium sulfate dodecahydrate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
34 Nitrilotriacetic acid (NTA)
C6H9NO6 191.139 g/mol
12.8 G_PER_L CHEBI:44557
nitrilotriacetic acid
Role: Mineral source; Properties: Organic compound, Defined component, Simple component
35 Na2WO4
2Na.O4W 293.816 g/mol
0.004 G_PER_L CHEBI:63940
sodium tungstate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
36 Na2SeO4
2Na.O4Se 188.936 g/mol
0.004 G_PER_L CHEBI:77775
sodium selenate
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component

Solutions

Vitamin solution*

Dose: 10 G_PER_L

See mediadive_6241_Vitamin_solution.yaml for composition

Trace element solution**

Dose: 10 G_PER_L

See mediadive_6187_Trace_element_solution.yaml for composition

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-27T06:35:58.832208Z togo-import Imported from TOGO Medium Source: NBRC, ID: M1996
2026-01-28T19:48:24.126013Z 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: NaOH; Added default concentration for ingredient: N2; Added default concentration for ingredient: NaOH
2026-03-09T08:04:39.854514+00:00 solution-migrator-v1.0 Migrated solutions from ingredients to solutions array Moved 2 solution(s) from ingredients
2026-03-13T03:09:09.748111Z data-quality-cleanup-v1.0 Data quality fixes Merged 5 duplicate ingredient(s)
2026-03-13T06:19:58.328175Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:008580
2026-03-14T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default solution name; Added default solution name
2026-03-17T06:30:16.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:16.947968+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "KTM medium" to "ktm_medium" for consistent matching
2026-05-16T09:03:12.034315+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=2
2026-06-05T07:40:35.175335+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 31 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-06-08T23:19:31.544596+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.
2026-06-10T06:57:25.216584+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.
2026-06-10T07:46:48.490559+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.
2026-09-02T07:37:45.516822+00:00 repair_merged_duplicates.py REPAIRED_SUMMED_DUPLICATE_MERGE Collapsed 1 ingredient row(s) whose concentration was the SUM of identical duplicate values written by cleanup_media_quality.py. Every merged part was the same value, so the pre-merge value is unambiguous and no source lookup was needed. Rows whose merged parts differ were left untouched.