lactobacillus_medium_ii

CultureMech:010429 bacterial COMPLEX SOLID_AGAR
Original name: Lactobacillus Medium II

Overview

External ontology
TOGO:M9 — Lactobacillus Medium II
Applications
  • Microbial cultivation
Notes
Source: https://togomedium.org/medium/M9 Original source: JCM - JCM_M16 Original URL: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=16

Composition

flowchart LR
    CultureMech_010429["lactobacillus_medium_ii"]
    ing0_Distilled_water["Distilled water"]
    CultureMech_010429 --> ing0_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing0_Distilled_water -.-> CHEBI_15377
    ing1_KH2PO4["KH2PO4"]
    CultureMech_010429 --> ing1_KH2PO4
    CHEBI_63036["CHEBI:63036"]
    ing1_KH2PO4 -.-> CHEBI_63036
    ing2_K2HPO4["K2HPO4"]
    CultureMech_010429 --> ing2_K2HPO4
    CHEBI_131527["CHEBI:131527"]
    ing2_K2HPO4 -.-> CHEBI_131527
    ing3_Sodium_acetate["Sodium acetate"]
    CultureMech_010429 --> ing3_Sodium_acetate
    CHEBI_32954["CHEBI:32954"]
    ing3_Sodium_acetate -.-> CHEBI_32954
    ing4_Tween_80["Tween 80"]
    CultureMech_010429 --> ing4_Tween_80
    CHEBI_53426["CHEBI:53426"]
    ing4_Tween_80 -.-> CHEBI_53426
    ing5_Glucose["Glucose"]
    CultureMech_010429 --> ing5_Glucose
    CHEBI_17234["CHEBI:17234"]
    ing5_Glucose -.-> CHEBI_17234
    ing6_Agar["Agar"]
    CultureMech_010429 --> ing6_Agar
    CHEBI_2509["CHEBI:2509"]
    ing6_Agar -.-> CHEBI_2509
    ing7_Yeast_extract__BD_Difco_["Yeast extract (BD-Difco)"]
    CultureMech_010429 --> ing7_Yeast_extract__BD_Difco_
    ing8_Trypticase_peptone__BD_BBL_["Trypticase peptone (BD-BBL)"]
    CultureMech_010429 --> ing8_Trypticase_peptone__BD_BBL_
    ing9_L__Cysteine_HCl_H2O["L--Cysteine・HCl・H2O"]
    CultureMech_010429 --> ing9_L__Cysteine_HCl_H2O
    CHEBI_91248["CHEBI:91248"]
    ing9_L__Cysteine_HCl_H2O -.-> CHEBI_91248
    ing10_Tryptose__BD_Difco_["Tryptose (BD-Difco)"]
    CultureMech_010429 --> ing10_Tryptose__BD_Difco_
    ing11_MgSO4_7H2O["MgSO4・7H2O"]
    CultureMech_010429 --> ing11_MgSO4_7H2O
    CHEBI_31795["CHEBI:31795"]
    ing11_MgSO4_7H2O -.-> CHEBI_31795
    ing12_FeSO4_7H2O["FeSO4・7H2O"]
    CultureMech_010429 --> ing12_FeSO4_7H2O
    CHEBI_75836["CHEBI:75836"]
    ing12_FeSO4_7H2O -.-> CHEBI_75836
    ing13_MnSO4_xH2O["MnSO4・xH2O"]
    CultureMech_010429 --> ing13_MnSO4_xH2O
    CHEBI_86360["CHEBI:86360"]
    ing13_MnSO4_xH2O -.-> CHEBI_86360

Ingredients (14)

# Ingredient Concentration Ontology Notes
1 Distilled water
H2O 18.015 g/mol
1.0 G_PER_L CHEBI:15377
water
Role: Solvating media; Properties: Simple component, Inorganic compound, Defined component [Collapsed 2 identical duplicates: 1.0, 1.0]
2 KH2PO4
H2O4P.K 136.084 g/mol
3 G_PER_L CHEBI:63036
potassium dihydrogen phosphate
Role: Buffer; Properties: Inorganic compound, Simple component, Defined component
3 K2HPO4
HO4P.2K 174.174 g/mol
3 G_PER_L CHEBI:131527
dipotassium hydrogen phosphate
Role: Buffer; Properties: Simple component, Inorganic compound, Defined component
4 Sodium acetate
C2H3O2.Na 82.034 g/mol
1 G_PER_L CHEBI:32954
sodium acetate
Role: Buffer; Properties: Defined component, Simple component, Organic compound
5 Tween 80
(C2H4O)w.(C2H4O)x.(C2H4O)y.(C2H4O)z.C24H44O6 604.822 g/mol
1 G_PER_L CHEBI:53426
polysorbate 80
Role: Surfactant; Properties: Defined component, Organic compound, Simple component
6 Glucose
C6H12O6 180.156 g/mol
5 G_PER_L CHEBI:17234
glucose
Role: Carbon source; Properties: Defined component, Simple component, Organic compound
7 Agar 20 G_PER_L CHEBI:2509
agar
Role: Solidifying component
8 Yeast extract (BD-Difco) 5 G_PER_L Properties: Undefined component
9 Trypticase peptone (BD-BBL) 10 G_PER_L Properties: Undefined component
10 L--Cysteine・HCl・H2O
C3H7NO2S.H2O.HCl 175.637 g/mol
0.2 G_PER_L CHEBI:91248
L-cysteine hydrochloride hydrate
Properties: Organic compound, Simple component, Defined component
11 Tryptose (BD-Difco) 3 G_PER_L Properties: Undefined component
12 MgSO4・7H2O
7H2O.Mg.O4S 246.473 g/mol
11.5 G_PER_L CHEBI:31795
magnesium sulfate heptahydrate
Role: Mineral source; Properties: Inorganic compound, Simple component, Defined component
13 FeSO4・7H2O
Fe.7H2O.O4S 278.013 g/mol
0.68 G_PER_L CHEBI:75836
iron(2+) sulfate heptahydrate
Role: Mineral source; Properties: Defined component, Inorganic compound, Simple component
14 MnSO4・xH2O
Mn.O4S 151.001 g/mol
2.4 G_PER_L CHEBI:86360
manganese(II) sulfate
Role: Mineral source; Properties: Inorganic compound, Simple component, Defined component

Solutions

Salt solution R (see below)

Dose: 5 G_PER_L

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-27T06:35:55.925996Z togo-import Imported from TOGO Medium Source: JCM, ID: M9
2026-01-28T19:48:24.706134Z chebi-enrichment Added CHEBI ontology terms to ingredients Enriched using MicrobeMediaParam and MediaDive chemical mappings
2026-03-09T08:04:40.863033+00:00 solution-migrator-v1.0 Migrated solutions from ingredients to solutions array Moved 1 solution(s) from ingredients
2026-03-13T03:09:10.857912Z data-quality-cleanup-v1.0 Data quality fixes Merged 1 duplicate ingredient(s)
2026-03-13T06:20:13.808213Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:010429
2026-03-14T00:00:00+00:00 schema-defaulter-v1.0 Applied schema defaults and normalizations Added default solution name
2026-03-17T06:30:17.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:32.785280+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Lactobacillus Medium II" to "lactobacillus_medium_ii" for consistent matching
2026-05-16T09:03:22.682300+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=1
2026-06-05T07:40:46.422660+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 7 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-06-10T06:57:34.513748+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.
2026-06-10T07:46:52.288740+00:00 primary-term-label-canonicalization-v1.0 Canonicalized primary term label to OBO canonical (OAK) 2 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi.
2026-09-02T07:37:54.288027+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.