Overview
- External ontology
- mediadive.medium:1398 (source link unavailable) — 1/10 PYGV MEDIUM modified
- Applications
-
- Microbial cultivation
- pH
- 7.0
- Notes
- Source: DSMZ | Link: https://www.dsmz.de/microorganisms/medium/pdf/DSMZ_Medium1398.pdf
Composition
flowchart LR
CultureMech_000859["1_10_pygv_medium_modified"]
ing0_Trypticase["Trypticase"]
CultureMech_000859 --> ing0_Trypticase
ing1_Yeast_extract["Yeast extract"]
CultureMech_000859 --> ing1_Yeast_extract
ing2_Glucose["Glucose"]
CultureMech_000859 --> ing2_Glucose
CHEBI_17234["CHEBI:17234"]
ing2_Glucose -.-> CHEBI_17234
ing3_L_Cysteine_HCl["L-Cysteine HCl"]
CultureMech_000859 --> ing3_L_Cysteine_HCl
CHEBI_91247["CHEBI:91247"]
ing3_L_Cysteine_HCl -.-> CHEBI_91247
ing4_Resazurin["Resazurin"]
CultureMech_000859 --> ing4_Resazurin
CHEBI_8806["CHEBI:8806"]
ing4_Resazurin -.-> CHEBI_8806
ing5_Cobalamine["Cobalamine"]
CultureMech_000859 --> ing5_Cobalamine
CHEBI_30411["CHEBI:30411"]
ing5_Cobalamine -.-> CHEBI_30411
ing6_K2HPO4["K2HPO4"]
CultureMech_000859 --> ing6_K2HPO4
CHEBI_131527["CHEBI:131527"]
ing6_K2HPO4 -.-> CHEBI_131527
ing7_KH2PO4["KH2PO4"]
CultureMech_000859 --> ing7_KH2PO4
CHEBI_63036["CHEBI:63036"]
ing7_KH2PO4 -.-> CHEBI_63036
ing8__NH4_2SO4["(NH4)2SO4"]
CultureMech_000859 --> ing8__NH4_2SO4
CHEBI_62946["CHEBI:62946"]
ing8__NH4_2SO4 -.-> CHEBI_62946
ing9_NaCl["NaCl"]
CultureMech_000859 --> ing9_NaCl
CHEBI_26710["CHEBI:26710"]
ing9_NaCl -.-> CHEBI_26710
ing10_MgSO4_x_7_H2O["MgSO4 x 7 H2O"]
CultureMech_000859 --> ing10_MgSO4_x_7_H2O
CHEBI_31795["CHEBI:31795"]
ing10_MgSO4_x_7_H2O -.-> CHEBI_31795
ing11_CaCl2_x_2_H2O["CaCl2 x 2 H2O"]
CultureMech_000859 --> ing11_CaCl2_x_2_H2O
CHEBI_86158["CHEBI:86158"]
ing11_CaCl2_x_2_H2O -.-> CHEBI_86158
Ingredients (12)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Trypticase | 1 G_PER_L |
MICRO:0000175 (source link unavailable)
Trypticase peptone
|
|
| 2 | Yeast extract | 0.0005 G_PER_L | ||
| 3 |
Glucose
C6H12O6 180.156 g/mol
|
1 G_PER_L |
CHEBI:17234
glucose
|
|
| 4 |
L-Cysteine HCl
C3H7NO2S.HCl 157.622 g/mol
|
0.0003 G_PER_L |
CHEBI:91247
L-cysteine hydrochloride
|
|
| 5 |
Resazurin
C12H7NO4 229.191 g/mol
|
0.0005 G_PER_L |
CHEBI:8806
Resazurin
|
|
| 6 | Cobalamine | 0.1 G_PER_L |
CHEBI:30411
cobalamin
|
|
| 7 |
K2HPO4
HO4P.2K 174.174 g/mol
|
6 G_PER_L |
CHEBI:131527
dipotassium hydrogen phosphate
|
|
| 8 |
KH2PO4
H2O4P.K 136.084 g/mol
|
6 G_PER_L |
CHEBI:63036
potassium dihydrogen phosphate
|
|
| 9 |
(NH4)2SO4
2H4N.O4S 132.141 g/mol
|
12 G_PER_L |
CHEBI:62946
ammonium sulfate
|
|
| 10 |
NaCl
Cl.Na 58.443 g/mol
|
12 G_PER_L |
CHEBI:26710
sodium chloride
|
|
| 11 |
MgSO4 x 7 H2O
7H2O.Mg.O4S 246.473 g/mol
|
1.2 G_PER_L |
CHEBI:31795
magnesium sulfate heptahydrate
|
|
| 12 |
CaCl2 x 2 H2O
Ca.2Cl.2H2O 147.014 g/mol
|
1.2 G_PER_L |
CHEBI:86158
calcium chloride dihydrate
|
Preparation
- pH 7.0
- Prepare the medium without the vitamin solution under an atmosphere of N2 and dispense into Hungate tubes. Seal under an atmosphere of nitrogen with rubber stoppers and autoclave. Aseptically add the vitamin solution from a filter sterilised stock solution to the sterile medium.
- SII
Solutions
100x Vitamin solution
Dose: 10 ML_PER_L
| Ingredient | Concentration | Notes |
|---|---|---|
| Biotin | 0.1 G_PER_L | |
| Thiamine-HCl x 2 H2O | 0.5 G_PER_L | |
| p-Aminobenzoic acid | 0.3 G_PER_L | |
| Pyridoxine | 1.5 G_PER_L | |
| Riboflavin | 0.5 G_PER_L | |
| Folic acid | 0.5 G_PER_L |
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-26T17:53:14.308896Z | mediadive-import | Imported from MediaDive | Source: DSMZ, ID: 1398 |
| 2026-01-28T19:48:15.912495Z | chebi-enrichment | Added CHEBI ontology terms to ingredients | Enriched using MicrobeMediaParam and MediaDive chemical mappings |
| 2026-03-13T06:18:58.971439Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:000859 |
| 2026-03-17T06:29:59.000000Z | mediaingredientmech-enrichment-v1.0 | Added MediaIngredientMech links | Linked ingredients to MediaIngredientMech identifiers |
| 2026-03-17T19:45:10.436400+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "1/10 PYGV MEDIUM modified" to "1_10_pygv_medium_modified" for consistent matching |
| 2026-06-05T07:40:15.399944+00:00 | mim-legacy-to-chebi-migration-v1.0 | Refreshed legacy MediaIngredientMech links to CHEBI keying | Replaced 14 legacy mediaingredientmech_term link(s) with mediaingredientmech_chebi_term (id-safe: ingredient's own CHEBI + label). MIM deprecated the MediaIngredientMech:NNNNNN id scheme. |
| 2026-06-10T07:46:42.469274+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. |
| 2026-08-07T07:05:21.499935+00:00 | apply_cocktail_nesting.py | NESTED_FLATTENED_COCKTAIL | Moved 6 stock-strength component(s) out of ingredients into 1 solution(s): 6 -> '100x Vitamin solution' @ 10 ml/l. Each moved component matched the MediaDive stock by name AND value; bulk ingredients sharing a name were left in place (#150). |
| 2026-09-22T00:03:26.686152+00:00 | repair_rejected_peptone_groundings.py | CORRECTED_REJECTED_PEPTONE_GROUNDING | CultureMech #484. /ingredients/0/term/id: Trypticase CHEBI:78018 -> MICRO:0000175 (replace_term). Reviewed identities: https://github.com/CultureBotAI/MediaIngredientMech/tree/24562493919391df4468a4285b7c997960cc8868. Publication resolver: MIM label index 9f09e4fb97fb0e6cbbd6f25baca40b36512adb88. MediaDive source IDs and concentrations preserved. |