ectothiorhodospira_variabilis_medium

CultureMech:000683 bacterial COMPLEX LIQUID
Original name: ECTOTHIORHODOSPIRA VARIABILIS MEDIUM

Overview

External ontology
mediadive.medium:1224 (source link unavailable) — ECTOTHIORHODOSPIRA VARIABILIS MEDIUM
Applications
  • Microbial cultivation
pH range
{'min': 9.0, 'max': 9.5}
Notes
Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium1224.pdf

Composition

flowchart LR
    CultureMech_000683["ectothiorhodospira_variabilis_medium"]
    ing0_NaCl["NaCl"]
    CultureMech_000683 --> ing0_NaCl
    CHEBI_26710["CHEBI:26710"]
    ing0_NaCl -.-> CHEBI_26710
    ing1_Na2CO3["Na2CO3"]
    CultureMech_000683 --> ing1_Na2CO3
    CHEBI_29377["CHEBI:29377"]
    ing1_Na2CO3 -.-> CHEBI_29377
    ing2_NaHCO3["NaHCO3"]
    CultureMech_000683 --> ing2_NaHCO3
    CHEBI_32139["CHEBI:32139"]
    ing2_NaHCO3 -.-> CHEBI_32139
    ing3_KCl["KCl"]
    CultureMech_000683 --> ing3_KCl
    CHEBI_32588["CHEBI:32588"]
    ing3_KCl -.-> CHEBI_32588
    ing4_K2HPO4["K2HPO4"]
    CultureMech_000683 --> ing4_K2HPO4
    CHEBI_131527["CHEBI:131527"]
    ing4_K2HPO4 -.-> CHEBI_131527
    ing5_MgCl2_x_6_H2O["MgCl2 x 6 H2O"]
    CultureMech_000683 --> ing5_MgCl2_x_6_H2O
    CHEBI_86345["CHEBI:86345"]
    ing5_MgCl2_x_6_H2O -.-> CHEBI_86345
    ing6_NH4Cl["NH4Cl"]
    CultureMech_000683 --> ing6_NH4Cl
    CHEBI_31206["CHEBI:31206"]
    ing6_NH4Cl -.-> CHEBI_31206
    ing7_Na2S_x_9_H2O["Na2S x 9 H2O"]
    CultureMech_000683 --> ing7_Na2S_x_9_H2O
    CHEBI_76209["CHEBI:76209"]
    ing7_Na2S_x_9_H2O -.-> CHEBI_76209
    ing8_Na2S2O3_x_5_H2O["Na2S2O3 x 5 H2O"]
    CultureMech_000683 --> ing8_Na2S2O3_x_5_H2O
    CHEBI_32150["CHEBI:32150"]
    ing8_Na2S2O3_x_5_H2O -.-> CHEBI_32150
    ing9_Yeast_extract["Yeast extract"]
    CultureMech_000683 --> ing9_Yeast_extract
    ing10_Na_acetate["Na acetate"]
    CultureMech_000683 --> ing10_Na_acetate
    CHEBI_32954["CHEBI:32954"]
    ing10_Na_acetate -.-> CHEBI_32954
    ing11_Vitamin_B12["Vitamin B12"]
    CultureMech_000683 --> ing11_Vitamin_B12
    CHEBI_176843["CHEBI:176843"]
    ing11_Vitamin_B12 -.-> CHEBI_176843
    ing12_HCl["HCl"]
    CultureMech_000683 --> ing12_HCl
    CHEBI_17883["CHEBI:17883"]
    ing12_HCl -.-> CHEBI_17883
    ing13_FeCl2_x_4_H2O["FeCl2 x 4 H2O"]
    CultureMech_000683 --> ing13_FeCl2_x_4_H2O
    CHEBI_86249["CHEBI:86249"]
    ing13_FeCl2_x_4_H2O -.-> CHEBI_86249
    ing14_ZnCl2["ZnCl2"]
    CultureMech_000683 --> ing14_ZnCl2
    CHEBI_49976["CHEBI:49976"]
    ing14_ZnCl2 -.-> CHEBI_49976
    ing15_MnCl2_x_4_H2O["MnCl2 x 4 H2O"]
    CultureMech_000683 --> ing15_MnCl2_x_4_H2O
    CHEBI_86368["CHEBI:86368"]
    ing15_MnCl2_x_4_H2O -.-> CHEBI_86368
    ing16_H3BO3["H3BO3"]
    CultureMech_000683 --> ing16_H3BO3
    CHEBI_33118["CHEBI:33118"]
    ing16_H3BO3 -.-> CHEBI_33118
    ing17_CoCl2_x_6_H2O["CoCl2 x 6 H2O"]
    CultureMech_000683 --> ing17_CoCl2_x_6_H2O
    CHEBI_53503["CHEBI:53503"]
    ing17_CoCl2_x_6_H2O -.-> CHEBI_53503
    ing18_CuCl2_x_2_H2O["CuCl2 x 2 H2O"]
    CultureMech_000683 --> ing18_CuCl2_x_2_H2O
    CHEBI_86318["CHEBI:86318"]
    ing18_CuCl2_x_2_H2O -.-> CHEBI_86318
    ing19_NiCl2_x_6_H2O["NiCl2 x 6 H2O"]
    CultureMech_000683 --> ing19_NiCl2_x_6_H2O
    CHEBI_34887["CHEBI:34887"]
    ing19_NiCl2_x_6_H2O -.-> CHEBI_34887
    ing20_Na2MoO4_x_2_H2O["Na2MoO4 x 2 H2O"]
    CultureMech_000683 --> ing20_Na2MoO4_x_2_H2O
    CHEBI_75213["CHEBI:75213"]
    ing20_Na2MoO4_x_2_H2O -.-> CHEBI_75213

Ingredients (21)

# Ingredient Concentration Ontology Notes
1 NaCl
Cl.Na 58.443 g/mol
50 G_PER_L CHEBI:26710
sodium chloride
2 Na2CO3
CO3.2Na 105.988 g/mol
5 G_PER_L CHEBI:29377
sodium carbonate
3 NaHCO3
CHO3.Na 84.006 g/mol
15 G_PER_L CHEBI:32139
sodium hydrogencarbonate
4 KCl
Cl.K 74.551 g/mol
0.1 G_PER_L CHEBI:32588
potassium chloride
5 K2HPO4
HO4P.2K 174.174 g/mol
0.5 G_PER_L CHEBI:131527
dipotassium hydrogen phosphate
6 MgCl2 x 6 H2O
2Cl.6H2O.Mg 203.301 g/mol
0.2 G_PER_L CHEBI:86345
magnesium dichloride hexahydrate
7 NH4Cl
Cl.H4N 53.492 g/mol
0.5 G_PER_L CHEBI:31206
ammonium chloride
8 Na2S x 9 H2O
9H2O.2Na.S 240.182 g/mol
0.5 G_PER_L CHEBI:76209
sodium sulfide nonahydrate
9 Na2S2O3 x 5 H2O
5H2O.2Na.O3S2 248.186 g/mol
0.5 G_PER_L CHEBI:32150
sodium thiosulfate pentahydrate
10 Yeast extract 0.1 G_PER_L
11 Na acetate
C2H3O2.Na 82.034 g/mol
0.5 G_PER_L CHEBI:32954
sodium acetate
12 Vitamin B12 2e-05 G_PER_L CHEBI:176843
vitamin B12
13 HCl
HCl 36.461 g/mol
2.5 G_PER_L CHEBI:17883
hydrogen chloride
14 FeCl2 x 4 H2O
Cl2Fe.4H2O 198.811 g/mol
1.5 G_PER_L CHEBI:86249
iron dichloride tetrahydrate
15 ZnCl2
2Cl.Zn 136.296 g/mol
0.07 G_PER_L CHEBI:49976
zinc dichloride
16 MnCl2 x 4 H2O
Cl2Mn.4H2O 197.904 g/mol
0.1 G_PER_L CHEBI:86368
manganese(II) chloride tetrahydrate
17 H3BO3
H3BO3 61.833 g/mol
0.006 G_PER_L CHEBI:33118
boric acid
18 CoCl2 x 6 H2O
2Cl.Co.6H2O 237.929 g/mol
0.19 G_PER_L CHEBI:53503
cobalt chloride hexahydrate
19 CuCl2 x 2 H2O
Cl2Cu.2H2O 170.482 g/mol
0.002 G_PER_L CHEBI:86318
copper(II) chloride dihydrate
20 NiCl2 x 6 H2O
Cl2Ni 129.599 g/mol
0.024 G_PER_L CHEBI:34887
nickel dichloride
21 Na2MoO4 x 2 H2O
2H2O.MoO4.2Na 241.946 g/mol
0.036 G_PER_L CHEBI:75213
sodium molybdate dihydrate

Preparation

  1. Final pH 9.0 - 9.5
  2. Prepare and boil the medium in the absence of Na2S x 9 H2O, NaHCO3, Vitamin B12, CaCl2 x 2 H2O, MgCl2 x 6 H2O. Cool under a stream of nitrogen and add the remaining components, except vitamin B12 and Na2S2O3 x 5 H2O. Dispense into tubes or bottle fitted with rubber stoppers and autoclave. Add the vitamin B12 (filter sterilised) and Na2S2O3 x 5 H2O from sterile stock solutions.
  3. First dissolve FeCl2 in the HCl, then dilute in water, add and dissolve the other salts. Finally make up to 1000.00 ml.

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-01-26T17:53:13.764136Z mediadive-import Imported from MediaDive Source: DSMZ, ID: 1224
2026-03-13T06:18:57.420783Z culturemech-id-assigner-v1.0 Assigned CultureMech ID Assigned stable identifier: CultureMech:000683
2026-03-17T06:29:44.000000Z mediaingredientmech-enrichment-v1.0 Added MediaIngredientMech links Linked ingredients to MediaIngredientMech identifiers
2026-03-17T19:45:08.696614+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "ECTOTHIORHODOSPIRA VARIABILIS MEDIUM" to "ectothiorhodospira_variabilis_medium" for consistent matching
2026-05-20T06:01:16.077376+00:00 migrate_ph_range.py MIGRATED_PH_RANGE ph_range '9-9.5' -> {'min': 9.0, 'max': 9.5}
2026-06-05T07:40:59.361676+00:00 mim-legacy-to-chebi-migration-v1.0 Refreshed legacy MediaIngredientMech links to CHEBI keying Replaced 20 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme.
2026-06-10T07:46:56.637040+00:00 primary-term-label-canonicalization-v1.0 Canonicalized primary term label to OBO canonical (OAK) 5 primary term(s); ingredient name resolved by OAK sqlite:obo:chebi.