Overview
- External ontology
- TOGO:M235 — Methanothrix Medium
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M235 Original source: JCM - JCM_M243 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=243
Composition
flowchart LR
CultureMech_008945["methanothrix_medium"]
ing0_Distilled_water["Distilled water"]
CultureMech_008945 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_NaCl["NaCl"]
CultureMech_008945 --> ing1_NaCl
CHEBI_26710["CHEBI:26710"]
ing1_NaCl -.-> CHEBI_26710
ing2_CaCl2_2H2O["CaCl2・2H2O"]
CultureMech_008945 --> ing2_CaCl2_2H2O
CHEBI_86158["CHEBI:86158"]
ing2_CaCl2_2H2O -.-> CHEBI_86158
ing3_KH2PO4["KH2PO4"]
CultureMech_008945 --> ing3_KH2PO4
CHEBI_63036["CHEBI:63036"]
ing3_KH2PO4 -.-> CHEBI_63036
ing4_NH4Cl["NH4Cl"]
CultureMech_008945 --> ing4_NH4Cl
CHEBI_31206["CHEBI:31206"]
ing4_NH4Cl -.-> CHEBI_31206
ing5_Resazurin["Resazurin"]
CultureMech_008945 --> ing5_Resazurin
CHEBI_8806["CHEBI:8806"]
ing5_Resazurin -.-> CHEBI_8806
ing6_MgCl2_6H2O["MgCl2・6H2O"]
CultureMech_008945 --> ing6_MgCl2_6H2O
CHEBI_86345["CHEBI:86345"]
ing6_MgCl2_6H2O -.-> CHEBI_86345
ing7_Na2S_9H2O["Na2S・9H2O"]
CultureMech_008945 --> ing7_Na2S_9H2O
CHEBI_76209["CHEBI:76209"]
ing7_Na2S_9H2O -.-> CHEBI_76209
ing8_Sodium_acetate["Sodium acetate"]
CultureMech_008945 --> ing8_Sodium_acetate
CHEBI_32954["CHEBI:32954"]
ing8_Sodium_acetate -.-> CHEBI_32954
ing9_KHCO3["KHCO3"]
CultureMech_008945 --> ing9_KHCO3
CHEBI_81862["CHEBI:81862"]
ing9_KHCO3 -.-> CHEBI_81862
ing10_L__Cysteine_HCl_H2O["L--Cysteine・HCl・H2O"]
CultureMech_008945 --> ing10_L__Cysteine_HCl_H2O
CHEBI_91248["CHEBI:91248"]
ing10_L__Cysteine_HCl_H2O -.-> CHEBI_91248
ing11_Carbon_dioxide_gas["Carbon dioxide gas"]
CultureMech_008945 --> ing11_Carbon_dioxide_gas
CHEBI_16526["CHEBI:16526"]
ing11_Carbon_dioxide_gas -.-> CHEBI_16526
ing12_N2["N2"]
CultureMech_008945 --> ing12_N2
CHEBI_17997["CHEBI:17997"]
ing12_N2 -.-> CHEBI_17997
ing13_H3BO3["H3BO3"]
CultureMech_008945 --> ing13_H3BO3
CHEBI_33118["CHEBI:33118"]
ing13_H3BO3 -.-> CHEBI_33118
ing14_MnCl2_4H2O["MnCl2・4H2O"]
CultureMech_008945 --> ing14_MnCl2_4H2O
CHEBI_86368["CHEBI:86368"]
ing14_MnCl2_4H2O -.-> CHEBI_86368
ing15_CoCl2_6H2O["CoCl2・6H2O"]
CultureMech_008945 --> ing15_CoCl2_6H2O
CHEBI_35696["CHEBI:35696"]
ing15_CoCl2_6H2O -.-> CHEBI_35696
ing16_NiCl2_6H2O["NiCl2・6H2O"]
CultureMech_008945 --> ing16_NiCl2_6H2O
CHEBI_34887["CHEBI:34887"]
ing16_NiCl2_6H2O -.-> CHEBI_34887
ing17_CuCl2_2H2O["CuCl2・2H2O"]
CultureMech_008945 --> ing17_CuCl2_2H2O
CHEBI_86318["CHEBI:86318"]
ing17_CuCl2_2H2O -.-> CHEBI_86318
ing18_ZnCl2["ZnCl2"]
CultureMech_008945 --> ing18_ZnCl2
CHEBI_49976["CHEBI:49976"]
ing18_ZnCl2 -.-> CHEBI_49976
ing19_Na2SeO3_5H2O["Na2SeO3・5H2O"]
CultureMech_008945 --> ing19_Na2SeO3_5H2O
CHEBI_131361["CHEBI:131361"]
ing19_Na2SeO3_5H2O -.-> CHEBI_131361
ing20_FeCl3_6H2O["FeCl3・6H2O"]
CultureMech_008945 --> ing20_FeCl3_6H2O
CHEBI_86254["CHEBI:86254"]
ing20_FeCl3_6H2O -.-> CHEBI_86254
ing21_Nitrilotriacetic_acid["Nitrilotriacetic acid"]
CultureMech_008945 --> ing21_Nitrilotriacetic_acid
CHEBI_44557["CHEBI:44557"]
ing21_Nitrilotriacetic_acid -.-> CHEBI_44557
ing22_KOH["KOH"]
CultureMech_008945 --> ing22_KOH
CHEBI_32035["CHEBI:32035"]
ing22_KOH -.-> CHEBI_32035
Ingredients (23)
| # | 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 2 identical duplicates: 1.0, 1.0] |
| 2 |
NaCl
Cl.Na 58.443 g/mol
|
1.6 G_PER_L |
CHEBI:26710
sodium chloride
|
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component [Merged 2 duplicates: 0.6, 1.0] |
| 3 |
CaCl2・2H2O
Ca.2Cl.2H2O 147.014 g/mol
|
0.18 G_PER_L |
CHEBI:86158
calcium chloride dihydrate
|
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component [Merged 2 duplicates: 0.08, 0.1] |
| 4 |
KH2PO4
H2O4P.K 136.084 g/mol
|
0.3 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
|
1 G_PER_L |
CHEBI:31206
ammonium chloride
|
Role: Nitrogen source; Properties: Inorganic compound, Defined component, Simple component |
| 6 |
Resazurin
C12H7NO4 229.191 g/mol
|
1 G_PER_L |
CHEBI:8806
Resazurin
|
Role: pH dependent redox indicator; Properties: Organic compound, Defined component, Simple component |
| 7 |
MgCl2・6H2O
2Cl.6H2O.Mg 203.301 g/mol
|
0.1 G_PER_L |
CHEBI:86345
magnesium dichloride hexahydrate
|
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component |
| 8 |
Na2S・9H2O
9H2O.2Na.S 240.182 g/mol
|
0.5 G_PER_L |
CHEBI:76209
sodium sulfide nonahydrate
|
Role: Reducing agent; Properties: Inorganic compound, Defined component, Simple component |
| 9 |
Sodium acetate
C2H3O2.Na 82.034 g/mol
|
6.8 G_PER_L |
CHEBI:32954
sodium acetate
|
Role: Buffer; Properties: Organic compound, Defined component, Simple component |
| 10 |
KHCO3
CHO3.K 100.114 g/mol
|
4 G_PER_L |
CHEBI:81862
potassium hydrogencarbonate
|
Role: Buffer, Mineral source; Properties: Inorganic compound, Defined component, Simple component |
| 11 |
L--Cysteine・HCl・H2O
C3H7NO2S.H2O.HCl 175.637 g/mol
|
0.5 G_PER_L |
CHEBI:91248
L-cysteine hydrochloride hydrate
|
Properties: Defined component, Organic compound, Simple component |
| 12 |
Carbon dioxide gas
CO2 44.009 g/mol
|
variable VARIABLE |
CHEBI:16526
carbon dioxide
|
Properties: ガス |
| 13 |
N2
N2 28.014 g/mol
|
variable VARIABLE |
CHEBI:17997
dinitrogen
|
Properties: ガス |
| 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 |
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 |
| 16 |
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 |
| 17 |
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 |
| 18 |
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 |
| 19 |
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 |
| 20 |
Na2SeO3・5H2O
5H2O.2Na.O3Se 263.012 g/mol
|
0.026 G_PER_L |
CHEBI:131361
disodium selenite pentahydrate
|
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component |
| 21 |
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 |
| 22 |
Nitrilotriacetic acid
C6H9NO6 191.139 g/mol
|
12.8 G_PER_L |
CHEBI:44557
nitrilotriacetic acid
|
Role: Mineral source; Properties: Organic compound, Defined component, Simple component |
| 23 |
KOH
HO.K 56.105 g/mol
|
variable VARIABLE |
CHEBI:32035
potassium hydroxide
|
Role: Mineral source; Properties: Defined component, Solution |
Solutions
Trace element solution (see below)
Dose: 10 G_PER_L
Trace vitamins (see Medium [M190])
Dose: 10 G_PER_L
Cross-reference to Medium M190
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:54.674930Z | togo-import | Imported from TOGO Medium | Source: JCM, ID: M235 |
| 2026-01-28T19:48:11.419956Z | 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: N2; Added default concentration for ingredient: KOH |
| 2026-03-09T08:04:18.688354+00:00 | solution-migrator-v1.0 | Migrated solutions from ingredients to solutions array | Moved 2 solution(s) from ingredients |
| 2026-03-13T03:08:46.419580Z | data-quality-cleanup-v1.0 | Data quality fixes | Merged 3 duplicate ingredient(s) |
| 2026-03-13T06:20:01.469014Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:008945 |
| 2026-03-14T00:00:00+00:00 | schema-defaulter-v1.0 | Applied schema defaults and normalizations | Added default solution name; Added default solution name |
| 2026-03-17T06:29:49.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:20.193756+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "Methanothrix Medium" to "methanothrix_medium" for consistent matching |
| 2026-05-16T09:03:13.234532+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=2 |
| 2026-06-05T07:40:36.467061+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 11 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:46:48.921593+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. |
| 2026-09-02T07:37:26.950781+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. |