Overview
- External ontology
- mediadive.medium:J862 (source link unavailable) — STEROIDOBACTER MEDIUM
- Applications
-
- Microbial cultivation
- pH
- 7.2
- Notes
- Source: JCM | Link: https://www.jcm.riken.jp/cgi-bin/jcm/jcm_grmd?GRMD=862
Composition
flowchart LR
CultureMech_003208["steroidobacter_medium"]
ing0_NaCl["NaCl"]
CultureMech_003208 --> ing0_NaCl
CHEBI_26710["CHEBI:26710"]
ing0_NaCl -.-> CHEBI_26710
ing1_MgCl2_x_6_H2O["MgCl2 x 6 H2O"]
CultureMech_003208 --> ing1_MgCl2_x_6_H2O
CHEBI_86345["CHEBI:86345"]
ing1_MgCl2_x_6_H2O -.-> CHEBI_86345
ing2_KH2PO4["KH2PO4"]
CultureMech_003208 --> ing2_KH2PO4
CHEBI_63036["CHEBI:63036"]
ing2_KH2PO4 -.-> CHEBI_63036
ing3_KCl["KCl"]
CultureMech_003208 --> ing3_KCl
CHEBI_32588["CHEBI:32588"]
ing3_KCl -.-> CHEBI_32588
ing4_NH4Cl["NH4Cl"]
CultureMech_003208 --> ing4_NH4Cl
CHEBI_31206["CHEBI:31206"]
ing4_NH4Cl -.-> CHEBI_31206
ing5_CaCl2_x_2_H2O["CaCl2 x 2 H2O"]
CultureMech_003208 --> ing5_CaCl2_x_2_H2O
CHEBI_86158["CHEBI:86158"]
ing5_CaCl2_x_2_H2O -.-> CHEBI_86158
ing6_Na2SO4["Na2SO4"]
CultureMech_003208 --> ing6_Na2SO4
CHEBI_32149["CHEBI:32149"]
ing6_Na2SO4 -.-> CHEBI_32149
ing7_NaNO3["NaNO3"]
CultureMech_003208 --> ing7_NaNO3
CHEBI_63005["CHEBI:63005"]
ing7_NaNO3 -.-> CHEBI_63005
ing8_NaOH["NaOH"]
CultureMech_003208 --> ing8_NaOH
CHEBI_32145["CHEBI:32145"]
ing8_NaOH -.-> CHEBI_32145
ing9_Na2SeO3_x_5_H2O["Na2SeO3 x 5 H2O"]
CultureMech_003208 --> ing9_Na2SeO3_x_5_H2O
CHEBI_131361["CHEBI:131361"]
ing9_Na2SeO3_x_5_H2O -.-> CHEBI_131361
ing10_Na2WO4_x_2_H2O["Na2WO4 x 2 H2O"]
CultureMech_003208 --> ing10_Na2WO4_x_2_H2O
CHEBI_63939["CHEBI:63939"]
ing10_Na2WO4_x_2_H2O -.-> CHEBI_63939
ing11_Vitamin_B12["Vitamin B12"]
CultureMech_003208 --> ing11_Vitamin_B12
CHEBI_176843["CHEBI:176843"]
ing11_Vitamin_B12 -.-> CHEBI_176843
ing12_Pantothenic_acid["Pantothenic acid"]
CultureMech_003208 --> ing12_Pantothenic_acid
CHEBI_7916["CHEBI:7916"]
ing12_Pantothenic_acid -.-> CHEBI_7916
ing13_Riboflavin["Riboflavin"]
CultureMech_003208 --> ing13_Riboflavin
CHEBI_17015["CHEBI:17015"]
ing13_Riboflavin -.-> CHEBI_17015
ing14_Pyridoxamine_hydrochloride["Pyridoxamine hydrochloride"]
CultureMech_003208 --> ing14_Pyridoxamine_hydrochloride
CHEBI_131531["CHEBI:131531"]
ing14_Pyridoxamine_hydrochloride -.-> CHEBI_131531
ing15_Biotin["Biotin"]
CultureMech_003208 --> ing15_Biotin
CHEBI_15956["CHEBI:15956"]
ing15_Biotin -.-> CHEBI_15956
ing16_Folic_acid["Folic acid"]
CultureMech_003208 --> ing16_Folic_acid
CHEBI_27470["CHEBI:27470"]
ing16_Folic_acid -.-> CHEBI_27470
ing17_Nicotinic_acid["Nicotinic acid"]
CultureMech_003208 --> ing17_Nicotinic_acid
CHEBI_15940["CHEBI:15940"]
ing17_Nicotinic_acid -.-> CHEBI_15940
ing18_Nicotinamide["Nicotinamide"]
CultureMech_003208 --> ing18_Nicotinamide
CHEBI_17154["CHEBI:17154"]
ing18_Nicotinamide -.-> CHEBI_17154
ing19_alpha_lipoic_acid["alpha-lipoic acid"]
CultureMech_003208 --> ing19_alpha_lipoic_acid
CHEBI_16494["CHEBI:16494"]
ing19_alpha_lipoic_acid -.-> CHEBI_16494
ing20_p_Aminobenzoic_acid["p-Aminobenzoic acid"]
CultureMech_003208 --> ing20_p_Aminobenzoic_acid
CHEBI_30753["CHEBI:30753"]
ing20_p_Aminobenzoic_acid -.-> CHEBI_30753
ing21_Thiamine_HCl_x_2_H2O["Thiamine-HCl x 2 H2O"]
CultureMech_003208 --> ing21_Thiamine_HCl_x_2_H2O
CHEBI_132751["CHEBI:132751"]
ing21_Thiamine_HCl_x_2_H2O -.-> CHEBI_132751
Ingredients (22)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
NaCl
Cl.Na 58.443 g/mol
|
1 G_PER_L |
CHEBI:26710
sodium chloride
|
|
| 2 |
MgCl2 x 6 H2O
2Cl.6H2O.Mg 203.301 g/mol
|
0.4 G_PER_L |
CHEBI:86345
magnesium dichloride hexahydrate
|
|
| 3 |
KH2PO4
H2O4P.K 136.084 g/mol
|
0.2 G_PER_L |
CHEBI:63036
potassium dihydrogen phosphate
|
|
| 4 |
KCl
Cl.K 74.551 g/mol
|
0.5 G_PER_L |
CHEBI:32588
potassium chloride
|
|
| 5 |
NH4Cl
Cl.H4N 53.492 g/mol
|
0.25 G_PER_L |
CHEBI:31206
ammonium chloride
|
|
| 6 |
CaCl2 x 2 H2O
Ca.2Cl.2H2O 147.014 g/mol
|
0.15 G_PER_L |
CHEBI:86158
calcium chloride dihydrate
|
|
| 7 |
Na2SO4
2Na.O4S 142.043 g/mol
|
0.07 G_PER_L |
CHEBI:32149
sodium sulfate
|
|
| 8 |
NaNO3
NO3.Na 84.994 g/mol
|
0.42 G_PER_L |
CHEBI:63005
sodium nitrate
|
|
| 9 |
NaOH
HO.Na 39.997 g/mol
|
0.5 G_PER_L |
CHEBI:32145
sodium hydroxide
|
|
| 10 |
Na2SeO3 x 5 H2O
5H2O.2Na.O3Se 263.012 g/mol
|
0.003 G_PER_L |
CHEBI:131361
disodium selenite pentahydrate
|
|
| 11 |
Na2WO4 x 2 H2O
2H2O.2Na.O4W 329.846 g/mol
|
0.004 G_PER_L |
CHEBI:63939
sodium tungstate dihydrate
|
|
| 12 | Vitamin B12 | 0.05 G_PER_L |
CHEBI:176843
vitamin B12
|
|
| 13 |
Pantothenic acid
C9H17NO5 219.237 g/mol
|
0.05 G_PER_L |
CHEBI:7916
pantothenic acid
|
|
| 14 |
Riboflavin
C17H20N4O6 376.369 g/mol
|
0.05 G_PER_L |
CHEBI:17015
riboflavin
|
|
| 15 |
Pyridoxamine hydrochloride
C8H12N2O2.HCl 204.657 g/mol
|
0.01 G_PER_L |
CHEBI:131531
pyridoxamine hydrochloride
|
|
| 16 |
Biotin
C10H16N2O3S 244.316 g/mol
|
0.02 G_PER_L |
CHEBI:15956
biotin
|
|
| 17 |
Folic acid
C19H19N7O6 441.404 g/mol
|
0.02 G_PER_L |
CHEBI:27470
folic acid
|
|
| 18 |
Nicotinic acid
C6H5NO2 123.111 g/mol
|
0.025 G_PER_L |
CHEBI:15940
nicotinic acid
|
|
| 19 |
Nicotinamide
C6H6N2O 122.127 g/mol
|
0.025 G_PER_L |
CHEBI:17154
nicotinamide
|
|
| 20 |
alpha-lipoic acid
C8H14O2S2 206.332 g/mol
|
0.05 G_PER_L |
CHEBI:16494
lipoic acid
|
|
| 21 |
p-Aminobenzoic acid
C7H7NO2 137.138 g/mol
|
0.05 G_PER_L |
CHEBI:30753
4-aminobenzoic acid
|
|
| 22 |
Thiamine-HCl x 2 H2O
C12H18N4OS.2Cl.2H2O 373.306 g/mol
|
0.05 G_PER_L |
CHEBI:132751
thiamine hydrochloride dihydrate
|
Preparation
- For growth with testosterone, dissolve testosterone in acetone (20 mg/ml) and dispense portions of the solution, e.g., 0.1 ml portions for 10 ml medium, to anaerobic culture tubes. Let the solvent evaporate to dryness. Dispense 10 ml portions of medium in the culture tubes and stream with N2-CO2 (80:20, v/v). Close the vessels and autoclave. Treat the vessels in an ultrasonic bath to detach and suspend the testosterone.
- For growth with heptanoate, omit testosterone. Sterilize the gassed medium in anaerobic vessels by autoclaving. Add 2.5 mM heptanoate from a 20-fold filter-sterilized anaerobic stock solution after cooling.
- After autoclaving, add (per 10 ml) 0.3 ml NaHCO3 solution (84 g/L, autoclaved under a CO2 atmosphere), 1 �l Trace element solution SL-10 (see Medium No. 433), 1 �l Selenite-tungstate solution (see below) and 1 �l Vitamin solution (see below). Adjust pH to 7.2. Incubate the cultures in the dark for up to 4 weeks. Briefly shake the cultures once per day.
Target organisms
No target organisms are recorded.
Provenance
Merged from 1 source record.
- JCM_J862_STEROIDOBACTER_MEDIUM (CultureMech:003208)
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:17.825702Z | mediadive-import | Imported from MediaDive | Source: JCM, ID: J862 |
| 2026-03-13T06:19:18.585236Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:003208 |
| 2026-03-17T06:30:22.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:32.469578+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "STEROIDOBACTER MEDIUM" to "steroidobacter_medium" for consistent matching |
| 2026-06-05T07:40:17.785914+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 21 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:46:43.134147+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. |
| 2026-08-06T03:04:37.381924+00:00 | merge_recipes.py | MERGED_RECIPES | merged 1 source recipe(s) on fingerprint c1e56348070851ad226a505375ee13395a0ebafe9212ce72315b34988d497b3a |