bicarbonate_buffered_medium

CultureMech:007692 bacterial COMPLEX LIQUID
Original name: Bicarbonate Buffered Medium

Overview

External ontology
TOGO:M1168 — Bicarbonate Buffered Medium
Applications
  • Microbial cultivation
Notes
TOGO M1168 records JCM Medium 1095 with a bicarbonate-buffered base containing FeCl2 and Trace element stocks from JCM Medium 187, Selenite-tungstate solution from JCM Medium 431, filter-sterilized Trace vitamins from JCM Medium 197, filter-sterilized 8% NaHCO3, 10% MgCl2 x 6H2O, 10% CaCl2 x 2H2O, 5% Na2S x 9H2O, 1 M maltose solution, and an N2-CO2 (4:1, v/v) gas phase.

Composition

flowchart LR
    CultureMech_007692["bicarbonate_buffered_medium"]
    ing0_Na2HPO4_x_2H2O["Na2HPO4 x 2H2O"]
    CultureMech_007692 --> ing0_Na2HPO4_x_2H2O
    CHEBI_91258["CHEBI:91258"]
    ing0_Na2HPO4_x_2H2O -.-> CHEBI_91258
    ing1_KH2PO4["KH2PO4"]
    CultureMech_007692 --> ing1_KH2PO4
    CHEBI_63036["CHEBI:63036"]
    ing1_KH2PO4 -.-> CHEBI_63036
    ing2_NH4Cl["NH4Cl"]
    CultureMech_007692 --> ing2_NH4Cl
    CHEBI_31206["CHEBI:31206"]
    ing2_NH4Cl -.-> CHEBI_31206
    ing3_NaCl["NaCl"]
    CultureMech_007692 --> ing3_NaCl
    CHEBI_26710["CHEBI:26710"]
    ing3_NaCl -.-> CHEBI_26710
    ing4_Yeast_extract["Yeast extract"]
    CultureMech_007692 --> ing4_Yeast_extract
    ing5_Resazurin["Resazurin"]
    CultureMech_007692 --> ing5_Resazurin
    CHEBI_8806["CHEBI:8806"]
    ing5_Resazurin -.-> CHEBI_8806
    ing6_Distilled_water["Distilled water"]
    CultureMech_007692 --> ing6_Distilled_water
    CHEBI_15377["CHEBI:15377"]
    ing6_Distilled_water -.-> CHEBI_15377
    ing7_Carbon_dioxide_gas["Carbon dioxide gas"]
    CultureMech_007692 --> ing7_Carbon_dioxide_gas
    CHEBI_16526["CHEBI:16526"]
    ing7_Carbon_dioxide_gas -.-> CHEBI_16526
    ing8_Nitrogen_gas["Nitrogen gas"]
    CultureMech_007692 --> ing8_Nitrogen_gas
    CHEBI_17997["CHEBI:17997"]
    ing8_Nitrogen_gas -.-> CHEBI_17997

Ingredients (9)

# Ingredient Concentration Ontology Notes
1 Na2HPO4 x 2H2O
2H2O.HO4P.2Na 177.988 g/mol
0.53 G_PER_L CHEBI:91258
disodium hydrogenphosphate dihydrate
JCM Medium 1095 lists 0.53 g/L Na2HPO4 x 2H2O.
2 KH2PO4
H2O4P.K 136.084 g/mol
0.41 G_PER_L CHEBI:63036
potassium dihydrogen phosphate
JCM Medium 1095 lists 0.41 g/L KH2PO4.
3 NH4Cl
Cl.H4N 53.492 g/mol
0.3 G_PER_L CHEBI:31206
ammonium chloride
JCM Medium 1095 lists 0.3 g/L NH4Cl.
4 NaCl
Cl.Na 58.443 g/mol
0.3 G_PER_L CHEBI:26710
sodium chloride
JCM Medium 1095 lists 0.3 g/L NaCl.
5 Yeast extract 0.1 G_PER_L JCM Medium 1095 lists 0.1 g/L Yeast extract.
6 Resazurin
C12H7NO4 229.191 g/mol
0.5 MG_PER_L CHEBI:8806
Resazurin
JCM Medium 1095 lists 0.5 mg/L Resazurin.
7 Distilled water
H2O 18.015 g/mol
930.0 ML_PER_L CHEBI:15377
water
JCM Medium 1095 lists 930.0 ml/L Distilled water.
8 Carbon dioxide gas
CO2 44.009 g/mol
variable VARIABLE CHEBI:16526
carbon dioxide
JCM Medium 1095 uses an N2-CO2 (4:1, v/v) gas mixture.
9 Nitrogen gas
N2 28.014 g/mol
variable VARIABLE CHEBI:17997
dinitrogen
JCM Medium 1095 uses an N2-CO2 (4:1, v/v) gas mixture.

Preparation

  1. Mix the salts, yeast extract, Resazurin, FeCl2 solution, Trace element solution, Selenite-tungstate solution, and distilled water.
  2. Autoclave the base medium under an N2-CO2 (4:1, v/v) gas mixture.
  3. After cooling, add MgCl2, CaCl2, Trace vitamins, NaHCO3, and Substrate solutions.
  4. Aseptically and anaerobically distribute medium into culture vessels under N2-CO2 (4:1, v/v) and seal with butyl rubber stoppers.
  5. Prior to use, add 10.0 ml/L 5% Na2S x 9H2O solution autoclaved and stored under N2.

Solutions

FeCl2 solution

Dose: 1.0 ML_PER_L

Stock composition
IngredientConcentrationNotes
HCl 10.0 ML_PER_L JCM Medium 187 lists 10.0 ml/L HCl.
FeCl2 x 4H2O 1.5 G_PER_L JCM Medium 187 lists 1.5 g/L FeCl2 x 4H2O.
Distilled water 990.0 ML_PER_L JCM Medium 187 lists 990.0 ml/L Distilled water.
JCM Medium 1095 adds 1.0 ml/L FeCl2 solution from JCM Medium 187.

Trace element solution

Dose: 1.0 ML_PER_L

Stock composition
IngredientConcentrationNotes
ZnCl2 70.0 MG_PER_L JCM Medium 187 lists 70.0 mg/L ZnCl2.
MnCl2 x 4H2O 100.0 MG_PER_L JCM Medium 187 lists 100.0 mg/L MnCl2 x 4H2O.
H3BO3 6.0 MG_PER_L JCM Medium 187 lists 6.0 mg/L H3BO3.
CoCl2 x 6H2O 190.0 MG_PER_L JCM Medium 187 lists 190.0 mg/L CoCl2 x 6H2O.
CuCl2 x 2H2O 2.0 MG_PER_L JCM Medium 187 lists 2.0 mg/L CuCl2 x 2H2O.
NiCl2 x 6H2O 24.0 MG_PER_L JCM Medium 187 lists 24.0 mg/L NiCl2 x 6H2O.
Na2MoO4 x 2H2O 36.0 MG_PER_L JCM Medium 187 lists 36.0 mg/L Na2MoO4 x 2H2O.
Distilled water 1.0 L JCM Medium 187 lists 1.0 L Distilled water.
JCM Medium 1095 adds 1.0 ml/L Trace element solution from JCM Medium 187.

Selenite-tungstate solution

Dose: 0.5 ML_PER_L

Stock composition
IngredientConcentrationNotes
NaOH 0.4 G_PER_L JCM Medium 431 lists 0.4 g/L NaOH.
Na2SeO3 x 5H2O 6.0 MG_PER_L JCM Medium 431 lists 6.0 mg/L Na2SeO3 x 5H2O.
Na2WO4 x 2H2O 8.0 MG_PER_L JCM Medium 431 lists 8.0 mg/L Na2WO4 x 2H2O.
Distilled water 1.0 L JCM Medium 431 lists 1.0 L Distilled water.
JCM Medium 1095 adds 0.5 ml/L Selenite-tungstate solution from JCM Medium 431.

10% MgCl2 x 6H2O solution

Dose: 1.0 ML_PER_L

Stock composition
IngredientConcentrationNotes
MgCl2 x 6H2O 10.0 PERCENT_W_V 10% MgCl2 x 6H2O solution is represented from the stock label as 10.0% w/v MgCl2 x 6H2O.
JCM Medium 1095 adds 1.0 ml/L 10% MgCl2 x 6H2O solution.

10% CaCl2 x 2H2O solution

Dose: 1.0 ML_PER_L

Stock composition
IngredientConcentrationNotes
CaCl2 x 2H2O 10.0 PERCENT_W_V 10% CaCl2 x 2H2O solution is represented from the stock label as 10.0% w/v CaCl2 x 2H2O.
JCM Medium 1095 adds 1.0 ml/L 10% CaCl2 x 2H2O solution.

Trace vitamins

Dose: 10.0 ML_PER_L

Stock composition
IngredientConcentrationNotes
Biotin 2.0 MG_PER_L JCM Medium 197 lists 2.0 mg/L Biotin.
Folic acid 2.0 MG_PER_L JCM Medium 197 lists 2.0 mg/L Folic acid.
Pyridoxine HCl 10.0 MG_PER_L JCM Medium 197 lists 10.0 mg/L Pyridoxine HCl.
Thiamine HCl 5.0 MG_PER_L JCM Medium 197 lists 5.0 mg/L Thiamine HCl.
Riboflavin 5.0 MG_PER_L JCM Medium 197 lists 5.0 mg/L Riboflavin.
Nicotinic acid 5.0 MG_PER_L JCM Medium 197 lists 5.0 mg/L Nicotinic acid.
Calcium pantothenate 5.0 MG_PER_L JCM Medium 197 lists 5.0 mg/L Calcium pantothenate.
Vitamin B12 0.1 MG_PER_L JCM Medium 197 lists 0.1 mg/L Vitamin B12.
p-Aminobenzoic acid 5.0 MG_PER_L JCM Medium 197 lists 5.0 mg/L p-Aminobenzoic acid.
Lipoic acid 5.0 MG_PER_L JCM Medium 197 lists 5.0 mg/L Lipoic acid.
Distilled water 1.0 L JCM Medium 197 lists 1.0 L Distilled water.
JCM Medium 1095 adds 10.0 ml/L filter-sterilized Trace vitamins.

8% NaHCO3 solution

Dose: 50.0 ML_PER_L

Stock composition
IngredientConcentrationNotes
NaHCO3 8.0 PERCENT_W_V 8% NaHCO3 solution is represented from the stock label as 8.0% w/v NaHCO3.
JCM Medium 1095 adds 50.0 ml/L 8% NaHCO3 solution.

1 M maltose solution

Dose: 10.0 ML_PER_L

Stock composition
IngredientConcentrationNotes
Maltose 1.0 MOLAR JCM Medium 1095 lists 1 M maltose solution as a Substrate solution option.
JCM Medium 1095 adds 10.0 ml/L Substrate solution and lists 1 M maltose solution as this substrate option.

5% Na2S x 9H2O solution

Dose: 10.0 ML_PER_L

Stock composition
IngredientConcentrationNotes
Na2S x 9H2O 5.0 PERCENT_W_V 5% Na2S x 9H2O solution is represented from the stock label as 5.0% w/v Na2S x 9H2O.
JCM Medium 1095 adds 10.0 ml/L 5% Na2S x 9H2O solution.

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-27T06:35:54.046326Z togo-import Imported from TOGO Medium Source: JCM, ID: M1168
2026-01-28T19:48:07.573354Z 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; Added default concentration for ingredient: Carbon dioxide gas; Added default concentration for ingredient: Nitrogen gas; Added default concentration for ingredient: maltose solution
2026-03-09T08:04:12.208141+00:00 solution-migrator-v1.0 Migrated solutions from ingredients to solutions array Moved 10 solution(s) from ingredients
2026-03-13T03:08:39.034820Z data-quality-cleanup-v1.0 Data quality fixes Merged 2 duplicate ingredient(s)
2026-03-13T06:19:50.657896Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:007692
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; Added default solution name; Added default solution name; Added default solution name; Added default solution name; Added default solution name; Added default solution name
2026-03-17T06:29:40.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:46:09.058989+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Bicarbonate Buffered Medium" to "bicarbonate_buffered_medium" for consistent matching
2026-05-16T09:03:08.095143+00:00 migrate_legacy_fields.py MIGRATED_LEGACY_FIELDS curation_history.date->timestamp=2
2026-06-05T07:40:30.970268+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 5 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-06-10T07:46:47.094358+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.
2026-09-11T00:00:00-07:00 repair_togo_m1165_m1168_score15.py RESOLVED_TOGO_M1165_M1168_SCORE15 TOGO M1168 records JCM Medium 1095 with a bicarbonate-buffered base containing FeCl2 and Trace element stocks from JCM Medium 187, Selenite-tungstate solution from JCM Medium 431, filter-sterilized Trace vitamins from JCM Medium 197, filter-sterilized 8% NaHCO3, 10% MgCl2 x 6H2O, 10% CaCl2 x 2H2O, 5% Na2S x 9H2O, 1 M maltose solution, and an N2-CO2 (4:1, v/v) gas phase.