modified_dsm_120_medium_for_diet_coculture

CultureMech:015434 specialized DEFINED LIQUID
Original name: Modified DSM 120 Medium for DIET Coculture

Overview

Notes
Headspace gas: N2/CO2 (80:20) Vessel type: Anaerobic serum bottles with thick butyl rubber stoppers Modified DSM 120 medium with no yeast extract, Casitone, or resazurin. Specific composition: 0.5 mM sulfide, 1 mM cysteine, 0.002 g/L CaCl2·2H2O, 1 g/L NaCl, 2 g/L NaHCO3. Medium boiled to reduce oxygen, cooled under N2/CO2 gas mixture. Sulfide and cysteine essential for long-term M. barkeri cultivation. Initial cocultures: 0.5 ml each organism in 9 ml medium; later transfers: 10% inocula in 45 ml medium.
Cross-Mech
MediaIngredientMech · CommunityMech · TaxonMech · TraitMech · HabitatMech · CMMMech

Composition

flowchart LR
    CultureMech_015434["modified_dsm_120_medium_for_diet_coculture"]
    ing0_Ethanol["Ethanol"]
    CultureMech_015434 --> ing0_Ethanol
    CHEBI_16236["CHEBI:16236"]
    ing0_Ethanol -.-> CHEBI_16236
    ing1_Sodium_bicarbonate["Sodium bicarbonate"]
    CultureMech_015434 --> ing1_Sodium_bicarbonate
    CHEBI_32139["CHEBI:32139"]
    ing1_Sodium_bicarbonate -.-> CHEBI_32139
    ing2_Sodium_chloride["Sodium chloride"]
    CultureMech_015434 --> ing2_Sodium_chloride
    CHEBI_26710["CHEBI:26710"]
    ing2_Sodium_chloride -.-> CHEBI_26710
    ing3_Calcium_chloride_dihydrate["Calcium chloride dihydrate"]
    CultureMech_015434 --> ing3_Calcium_chloride_dihydrate
    CHEBI_86158["CHEBI:86158"]
    ing3_Calcium_chloride_dihydrate -.-> CHEBI_86158
    ing4_L_Cysteine["L-Cysteine"]
    CultureMech_015434 --> ing4_L_Cysteine
    CHEBI_17561["CHEBI:17561"]
    ing4_L_Cysteine -.-> CHEBI_17561
    ing5_Sodium_sulfide["Sodium sulfide"]
    CultureMech_015434 --> ing5_Sodium_sulfide
    CHEBI_76208["CHEBI:76208"]
    ing5_Sodium_sulfide -.-> CHEBI_76208

Ingredients (6)

# Ingredient Concentration Ontology Notes
1 Ethanol
C2H6O 46.069 g/mol
20.0 MILLIMOLAR CHEBI:16236
ethanol
2 Sodium bicarbonate
CHO3.Na 84.006 g/mol
2.0 G_PER_L CHEBI:32139
sodium hydrogencarbonate
3 Sodium chloride
Cl.Na 58.443 g/mol
1.0 G_PER_L CHEBI:26710
sodium chloride
4 Calcium chloride dihydrate
Ca.2Cl.2H2O 147.014 g/mol
0.002 G_PER_L CHEBI:86158
calcium chloride dihydrate
5 L-Cysteine
C3H7NO2S 121.161 g/mol
1.0 MILLIMOLAR CHEBI:17561
L-cysteine
6 Sodium sulfide
2Na.S 78.047 g/mol
0.5 MILLIMOLAR CHEBI:76208
sodium sulfide (anhydrous)

Target organisms

No target organisms are recorded.

Provenance

TimestampCuratorActionNotes
2026-03-15T00:15:00.404953Z communitymech-importer-v1.0 Imported from CommunityMech Created from CommunityMech:000033 growth_media record
2026-03-17T19:46:34.315506+00:00 normalize_media_names_to_snake_case.py NAME_NORMALIZED Normalized name from "Modified DSM 120 Medium for DIET Coculture" to "modified_dsm_120_medium_for_diet_coculture" for consistent matching
2026-05-24T04:38:33.274031+00:00 backfill_source_environment.py BACKFILLED_SOURCE_ENVIRONMENT added=1 env(s) from CommunityMech
2026-06-05T07:41:57.387718+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.
2026-09-13T00:00:00-07:00 repair_communitymech_sources_score10_batch10.py ADDED_COMMUNITYMECH_STRUCTURED_SOURCES_BATCH10 Promoted CommunityMech upstream IDs into sources[] for source-provenance scoring.