Overview
- External ontology
- TOGO:M995 — Modified Balch's Methanogen Medium 1/B
- Applications
-
- Microbial cultivation
- Notes
- Source: https://togomedium.org/medium/M995 Original source: JCM - JCM_M948 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=948
Composition
flowchart LR
CultureMech_010423["modified_balchs_methanogen_medium_1_b"]
ing0_Distilled_water["Distilled water"]
CultureMech_010423 --> ing0_Distilled_water
CHEBI_15377["CHEBI:15377"]
ing0_Distilled_water -.-> CHEBI_15377
ing1_NaCl["NaCl"]
CultureMech_010423 --> ing1_NaCl
CHEBI_26710["CHEBI:26710"]
ing1_NaCl -.-> CHEBI_26710
ing2_CaCl2_2H2O["CaCl2・2H2O"]
CultureMech_010423 --> ing2_CaCl2_2H2O
CHEBI_86158["CHEBI:86158"]
ing2_CaCl2_2H2O -.-> CHEBI_86158
ing3_KH2PO4["KH2PO4"]
CultureMech_010423 --> ing3_KH2PO4
CHEBI_63036["CHEBI:63036"]
ing3_KH2PO4 -.-> CHEBI_63036
ing4_NH4Cl["NH4Cl"]
CultureMech_010423 --> ing4_NH4Cl
CHEBI_31206["CHEBI:31206"]
ing4_NH4Cl -.-> CHEBI_31206
ing5_K2HPO4["K2HPO4"]
CultureMech_010423 --> ing5_K2HPO4
CHEBI_131527["CHEBI:131527"]
ing5_K2HPO4 -.-> CHEBI_131527
ing6_Resazurin["Resazurin"]
CultureMech_010423 --> ing6_Resazurin
CHEBI_8806["CHEBI:8806"]
ing6_Resazurin -.-> CHEBI_8806
ing7_MgCl2_6H2O["MgCl2・6H2O"]
CultureMech_010423 --> ing7_MgCl2_6H2O
CHEBI_86345["CHEBI:86345"]
ing7_MgCl2_6H2O -.-> CHEBI_86345
ing8_FeSO4_7H2O["FeSO4・7H2O"]
CultureMech_010423 --> ing8_FeSO4_7H2O
CHEBI_75836["CHEBI:75836"]
ing8_FeSO4_7H2O -.-> CHEBI_75836
ing9_NaHCO3["NaHCO3"]
CultureMech_010423 --> ing9_NaHCO3
CHEBI_32139["CHEBI:32139"]
ing9_NaHCO3 -.-> CHEBI_32139
ing10_Sodium_acetate["Sodium acetate"]
CultureMech_010423 --> ing10_Sodium_acetate
CHEBI_32954["CHEBI:32954"]
ing10_Sodium_acetate -.-> CHEBI_32954
ing11_Yeast_extract__BD_Difco_["Yeast extract (BD-Difco)"]
CultureMech_010423 --> ing11_Yeast_extract__BD_Difco_
ing12_Sodium_formate["Sodium formate"]
CultureMech_010423 --> ing12_Sodium_formate
CHEBI_62965["CHEBI:62965"]
ing12_Sodium_formate -.-> CHEBI_62965
ing13_Carbon_dioxide_gas["Carbon dioxide gas"]
CultureMech_010423 --> ing13_Carbon_dioxide_gas
CHEBI_16526["CHEBI:16526"]
ing13_Carbon_dioxide_gas -.-> CHEBI_16526
ing14_N2["N2"]
CultureMech_010423 --> ing14_N2
CHEBI_17997["CHEBI:17997"]
ing14_N2 -.-> CHEBI_17997
ing15_Hydrogen_gas["Hydrogen gas"]
CultureMech_010423 --> ing15_Hydrogen_gas
CHEBI_18276["CHEBI:18276"]
ing15_Hydrogen_gas -.-> CHEBI_18276
Ingredients (16)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Distilled water
H2O 18.015 g/mol
|
1 G_PER_L |
CHEBI:15377
water
|
Role: Solvating media; Properties: Defined component, Inorganic compound, Simple component |
| 2 |
NaCl
Cl.Na 58.443 g/mol
|
0.6 G_PER_L |
CHEBI:26710
sodium chloride
|
Role: Mineral source; Properties: Defined component, Inorganic compound, Simple component |
| 3 |
CaCl2・2H2O
Ca.2Cl.2H2O 147.014 g/mol
|
8 G_PER_L |
CHEBI:86158
calcium chloride dihydrate
|
Role: Mineral source; Properties: Inorganic compound, Simple component, Defined component |
| 4 |
KH2PO4
H2O4P.K 136.084 g/mol
|
0.3 G_PER_L |
CHEBI:63036
potassium dihydrogen phosphate
|
Role: Buffer; Properties: Defined component, Simple component, Inorganic compound |
| 5 |
NH4Cl
Cl.H4N 53.492 g/mol
|
0.3 G_PER_L |
CHEBI:31206
ammonium chloride
|
Role: Nitrogen source; Properties: Simple component, Inorganic compound, Defined component |
| 6 |
K2HPO4
HO4P.2K 174.174 g/mol
|
0.3 G_PER_L |
CHEBI:131527
dipotassium hydrogen phosphate
|
Role: Buffer; Properties: Defined component, Inorganic compound, Simple component |
| 7 |
Resazurin
C12H7NO4 229.191 g/mol
|
1 G_PER_L |
CHEBI:8806
Resazurin
|
Role: pH dependent redox indicator; Properties: Simple component, Organic compound, Defined component |
| 8 |
MgCl2・6H2O
2Cl.6H2O.Mg 203.301 g/mol
|
0.13 G_PER_L |
CHEBI:86345
magnesium dichloride hexahydrate
|
Role: Mineral source; Properties: Inorganic compound, Simple component, Defined component |
| 9 |
FeSO4・7H2O
Fe.7H2O.O4S 278.013 g/mol
|
2 G_PER_L |
CHEBI:75836
iron(2+) sulfate heptahydrate
|
Role: Mineral source; Properties: Defined component, Simple component, Inorganic compound |
| 10 |
NaHCO3
CHO3.Na 84.006 g/mol
|
5 G_PER_L |
CHEBI:32139
sodium hydrogencarbonate
|
Role: Buffer; Properties: Simple component, Inorganic compound, Defined component |
| 11 |
Sodium acetate
C2H3O2.Na 82.034 g/mol
|
2.5 G_PER_L |
CHEBI:32954
sodium acetate
|
Role: Buffer; Properties: Organic compound, Simple component, Defined component |
| 12 | Yeast extract (BD-Difco) | 0.2 G_PER_L | Properties: Undefined component | |
| 13 |
Sodium formate
CHO2.Na 68.007 g/mol
|
2.5 G_PER_L |
CHEBI:62965
sodium formate
|
Properties: Defined component, Simple component, Inorganic compound |
| 14 |
Carbon dioxide gas
CO2 44.009 g/mol
|
variable VARIABLE |
CHEBI:16526
carbon dioxide
|
Properties: ガス |
| 15 |
N2
N2 28.014 g/mol
|
variable VARIABLE |
CHEBI:17997
dinitrogen
|
Properties: ガス |
| 16 |
Hydrogen gas
H2 2.016 g/mol
|
variable VARIABLE |
CHEBI:18276
dihydrogen
|
Properties: ガス |
Solutions
Trace minerals (see Medium [M142])
Dose: 10 G_PER_L
Cross-reference to Medium M142
Trace vitamins (see Medium [M190])
Dose: 10 G_PER_L
Cross-reference to Medium M190
5% Na2S・9H2O solution
Dose: 10 G_PER_L
Role: Reducing agent; Properties: Defined component, Inorganic compound, Solution
5% L--Cysteine・HCl・H2O solution
Dose: 10 G_PER_L
Properties: Defined component, Organic compound, Solution
Target organisms
No target organisms are recorded.
Provenance
Merged from 1 source record.
- TOGO_M995_Modified_Balch_s_Methanogen_Medium_1_B (CultureMech:010423)
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-27T06:35:56.109658Z | togo-import | Imported from TOGO Medium | Source: JCM, ID: M995 |
| 2026-01-28T19:48:33.335725Z | 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: Hydrogen gas |
| 2026-03-09T08:04:55.268805+00:00 | solution-migrator-v1.0 | Migrated solutions from ingredients to solutions array | Moved 4 solution(s) from ingredients |
| 2026-03-13T06:20:13.770014Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:010423 |
| 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; Added default solution name |
| 2026-03-17T06:30:36.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:46:32.746269+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "Modified Balch's Methanogen Medium 1/B" to "modified_balchs_methanogen_medium_1_b" for consistent matching |
| 2026-05-16T09:04:25.102913+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=2 |
| 2026-06-05T07:41:36.254715+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 9 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:47:08.537618+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. |
| 2026-08-06T03:04:28.052266+00:00 | merge_recipes.py | MERGED_RECIPES | merged 1 source recipe(s) on fingerprint 05f7a58600caa0b321757b4ab84e6ab910ee73031e9c1a51af38c50001d5e1e0 |