Overview
- pH
- 7.1
- Notes
- Source: FEBA media definitions
Composition
flowchart LR
CultureMech_015450["BG11"]
ing0_Sodium_nitrate["Sodium nitrate"]
CultureMech_015450 --> ing0_Sodium_nitrate
CHEBI_63005["CHEBI:63005"]
ing0_Sodium_nitrate -.-> CHEBI_63005
ing1_Potassium_phosphate_dibasic["Potassium phosphate dibasic"]
CultureMech_015450 --> ing1_Potassium_phosphate_dibasic
CHEBI_131527["CHEBI:131527"]
ing1_Potassium_phosphate_dibasic -.-> CHEBI_131527
ing2_Magnesium_Sulfate_Heptahydrate["Magnesium Sulfate Heptahydrate"]
CultureMech_015450 --> ing2_Magnesium_Sulfate_Heptahydrate
CHEBI_31795["CHEBI:31795"]
ing2_Magnesium_Sulfate_Heptahydrate -.-> CHEBI_31795
ing3_Calcium_chloride_dihydrate["Calcium chloride dihydrate"]
CultureMech_015450 --> ing3_Calcium_chloride_dihydrate
CHEBI_86158["CHEBI:86158"]
ing3_Calcium_chloride_dihydrate -.-> CHEBI_86158
ing4_Citric_Acid["Citric Acid"]
CultureMech_015450 --> ing4_Citric_Acid
CHEBI_53258["CHEBI:53258"]
ing4_Citric_Acid -.-> CHEBI_53258
ing5_Ferric_ammonium_citrate["Ferric ammonium citrate"]
CultureMech_015450 --> ing5_Ferric_ammonium_citrate
CHEBI_31604["CHEBI:31604"]
ing5_Ferric_ammonium_citrate -.-> CHEBI_31604
ing6_EDTA__disodium_salt_["EDTA (disodium salt)"]
CultureMech_015450 --> ing6_EDTA__disodium_salt_
CHEBI_64734["CHEBI:64734"]
ing6_EDTA__disodium_salt_ -.-> CHEBI_64734
ing7_Sodium_carbonate["Sodium carbonate"]
CultureMech_015450 --> ing7_Sodium_carbonate
CHEBI_29377["CHEBI:29377"]
ing7_Sodium_carbonate -.-> CHEBI_29377
ing8_Boric_Acid["Boric Acid"]
CultureMech_015450 --> ing8_Boric_Acid
CHEBI_33118["CHEBI:33118"]
ing8_Boric_Acid -.-> CHEBI_33118
ing9_Manganese__II__chloride_tetrahydrate["Manganese (II) chloride tetrahydrate"]
CultureMech_015450 --> ing9_Manganese__II__chloride_tetrahydrate
CHEBI_86368["CHEBI:86368"]
ing9_Manganese__II__chloride_tetrahydrate -.-> CHEBI_86368
ing10_Zinc_sulfate_heptahydrate["Zinc sulfate heptahydrate"]
CultureMech_015450 --> ing10_Zinc_sulfate_heptahydrate
CHEBI_32312["CHEBI:32312"]
ing10_Zinc_sulfate_heptahydrate -.-> CHEBI_32312
ing11_Sodium_Molybdate_Dihydrate["Sodium Molybdate Dihydrate"]
CultureMech_015450 --> ing11_Sodium_Molybdate_Dihydrate
CHEBI_75213["CHEBI:75213"]
ing11_Sodium_Molybdate_Dihydrate -.-> CHEBI_75213
ing12_Copper__II__sulfate_pentahydrate["Copper (II) sulfate pentahydrate"]
CultureMech_015450 --> ing12_Copper__II__sulfate_pentahydrate
CHEBI_31440["CHEBI:31440"]
ing12_Copper__II__sulfate_pentahydrate -.-> CHEBI_31440
ing13_Cobalt_II__nitrate_hexahydrate["Cobalt(II) nitrate hexahydrate"]
CultureMech_015450 --> ing13_Cobalt_II__nitrate_hexahydrate
CHEBI_86214["CHEBI:86214"]
ing13_Cobalt_II__nitrate_hexahydrate -.-> CHEBI_86214
Ingredients (14)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 |
Sodium nitrate
NO3.Na 84.994 g/mol
|
1.5 G_PER_L |
CHEBI:63005
sodium nitrate
|
Mapping: micromediaparam_legacy (confidence: 0.90); CAS: 7631-99-4; MW: 84.99 |
| 2 |
Potassium phosphate dibasic
HO4P.2K 174.174 g/mol
|
0.04 G_PER_L |
CHEBI:131527
dipotassium hydrogen phosphate
|
CAS: 7758-11-4; MW: 174.18 |
| 3 |
Magnesium Sulfate Heptahydrate
7H2O.Mg.O4S 246.473 g/mol
|
0.075 G_PER_L |
CHEBI:31795
magnesium sulfate heptahydrate
|
CAS: 10034-99-8; MW: 246.47 |
| 4 |
Calcium chloride dihydrate
Ca.2Cl.2H2O 147.014 g/mol
|
0.036 G_PER_L |
CHEBI:86158
calcium chloride dihydrate
|
Mapping: micromediaparam_legacy (confidence: 0.90); CAS: 10035-04-8; MW: 147.01 |
| 5 |
Citric Acid
C6H5O7.3Na 258.069 g/mol
|
0.006 G_PER_L |
CHEBI:53258
sodium citrate
|
Mapping: micromediaparam_legacy (confidence: 0.90); CAS: 77-92-9; MW: 192.12 |
| 6 | Ferric ammonium citrate | 0.006 G_PER_L |
CHEBI:31604
ferric ammonium citrate
|
Mapping: micromediaparam_legacy (confidence: 0.90); CAS: 1185-57-5 |
| 7 |
EDTA (disodium salt)
C10H14N2O8.2Na 336.208 g/mol
|
0.001 G_PER_L |
CHEBI:64734
EDTA disodium salt (anhydrous)
|
CAS: 6381-92-6; MW: 336.206 |
| 8 |
Sodium carbonate
CO3.2Na 105.988 g/mol
|
0.02 G_PER_L |
CHEBI:29377
sodium carbonate
|
Mapping: micromediaparam_legacy (confidence: 0.90); CAS: 497-19-8; MW: 105.9888 |
| 9 |
Boric Acid
H3BO3 61.833 g/mol
|
0.00286 G_PER_L |
CHEBI:33118
boric acid
|
CAS: 10043-35-3; MW: 61.83; From Trace metal mix A5 |
| 10 |
Manganese (II) chloride tetrahydrate
Cl2Mn.4H2O 197.904 g/mol
|
0.0018100000000000002 G_PER_L |
CHEBI:86368
manganese(II) chloride tetrahydrate
|
CAS: 13446-34-9; MW: 197.91; From Trace metal mix A5; Ontology enriched via CAS-RN lookup |
| 11 |
Zinc sulfate heptahydrate
7H2O.O4S.Zn 287.558 g/mol
|
0.000222 G_PER_L |
CHEBI:32312
zinc sulfate heptahydrate
|
CAS: 7446-20-0; MW: 287.56; From Trace metal mix A5; Ontology enriched via CAS-RN lookup |
| 12 |
Sodium Molybdate Dihydrate
2H2O.MoO4.2Na 241.946 g/mol
|
0.00039000000000000005 G_PER_L |
CHEBI:75213
sodium molybdate dihydrate
|
CAS: 10102-40-6; MW: 241.95; From Trace metal mix A5; Ontology enriched via CAS-RN lookup |
| 13 |
Copper (II) sulfate pentahydrate
Cu.5H2O.O4S 249.684 g/mol
|
7.9e-05 G_PER_L |
CHEBI:31440
copper(II) sulfate pentahydrate
|
CAS: 7758-99-8; MW: 249.69; From Trace metal mix A5; Ontology enriched via CAS-RN lookup |
| 14 |
Cobalt(II) nitrate hexahydrate
Co.6H2O.2NO3 291.031 g/mol
|
0.0494 MG_PER_L |
CHEBI:86214
cobalt dinitrate hexahydrate
|
CAS: 10026-22-9; MW: 291.03; From Trace metal mix A5; Ontology enriched via CAS-RN lookup |
Target organisms and growth evidence
These are curated observations and conditions for named organisms; they do not imply universal growth suitability.
- Preferred term
- Nostoc linckia
- Term
- Id
- NCBITaxon:92942
- Label
- Nostoc linckia
- Growth metrics
- Measurement conditions
- BG11 nitrate-replete medium after 240 h of culture; compared with nitrate-free BG110.
- Evidence
- Reference
- PMID:36550226
- Supports
- SUPPORT
- Snippet
- Cultures grown in BG11 accumulated more cell biomass reaching a dry weight of 1.65 ± 0.06 g L-1, compared to 0.92 ± 0.01 g L-1 in BG110 after 240 h of culture.
- Explanation
- Literature evidence reports biomass accumulation of Nostoc linckia in BG11.
- Is max attainment
- False
- Preferred term
- Synechococcus sp. UCP002
- Strain
- UCP002
- Term
- Id
- NCBITaxon:2885151
- Label
- Synechococcus sp. UCP002
- Growth metrics
- Growth rate per hour
- 0.086
- Doubling time minutes
- 484.8
- Measurement conditions
- BG-11 medium culture of an unaxenic Synechococcus sp. UCP002 isolate from the Peruvian Amazon Basin.
- Evidence
- Reference
- PMID:36437912
- Supports
- SUPPORT
- Snippet
- Synechococcus sp. UCP002 had a specific growth rate of 0.086 ± 0.008 μ and a doubling time of 8.08 ± 0.78 h.
- Explanation
- Literature evidence reports growth rate and doubling time for Synechococcus sp. UCP002 cultured in BG-11 medium.
- Is max attainment
- False
- Evidence
- Reference
- PMID:36437912
- Supports
- SUPPORT
- Snippet
- Growth parameters, genome features, and the biochemical profile of the cyanobacterium were determined using standardized methods.
- Explanation
- Literature evidence reports a complete genome for UCP002, but no NCBI GCA/GCF/SAMN accession was resolved from NCBI assembly or nuccore search.
- Preferred term
- Tetradesmus obliquus
- Strain
- ABC-009
- Term
- Id
- NCBITaxon:3088
- Label
- Tetradesmus obliquus
- Growth metrics
- Measurement conditions
- Photoautotrophic BG-11 medium cultivation with air or 2% CO2 for the strain reported in the source as Scenedesmus obliquus ABC-009.
- Growth mode
- BATCH
- Evidence
- Reference
- PMID:34584038
- Supports
- SUPPORT
- Snippet
- Scenedesmus obliquus ABC-009 is a microalgal strain that accumulates large amounts of lutein, particularly when subjected to growth-limiting conditions.
- Explanation
- Literature evidence identifies the strain studied under BG-11 photoautotrophic cultivation; NCBI nuccore record MG971386.1 links strain ABC-009 to the accepted taxonomy Tetradesmus obliquus, but it is a partial marker sequence rather than a genome assembly.
- Reference
- PMID:34584038
- Supports
- SUPPORT
- Snippet
- While the cell concentrations of the cultures grown under BG-11 and CO2 were largely similar to those grown in YM medium
- Explanation
- Literature evidence reports cell concentrations for the BG-11 plus CO2 condition relative to YM medium.
- Is max attainment
- False
Recipe variants
- Name
- nitrate_replete_bg11_nostoc_linckia
- Description
- BG11 nitrate-replete condition used for Nostoc linckia growth and biomass productivity comparison with nitrate-free BG110.
- Modifications
- Use BG11 medium with nitrate present.
- Compare with BG110 medium lacking nitrate.
- Purpose
- Capture nitrate-replete BG11 growth evidence for Nostoc linckia.
- Evidence
- Reference
- PMID:36550226
- Supports
- SUPPORT
- Snippet
- Cultures grown in BG11 accumulated more cell biomass reaching a dry weight of 1.65 ± 0.06 g L-1, compared to 0.92 ± 0.01 g L-1 in BG110 after 240 h of culture.
- Explanation
- Literature evidence reports higher biomass and productivity of Nostoc linckia in BG11 than nitrate-free BG110.
- Name
- bg11_synechococcus_ucp002
- Description
- BG-11 cultivation condition for unaxenic Synechococcus sp. UCP002 isolated from the Peruvian Amazon Basin.
- Modifications
- Culture Synechococcus sp. UCP002 in BG-11 medium.
- Use standardized growth-parameter and biochemical-profile measurements.
- Purpose
- Capture strain-specific BG-11 growth and genome-context evidence for Synechococcus sp. UCP002.
- Evidence
- Reference
- PMID:36437912
- Supports
- SUPPORT
- Snippet
- The cyanobacterium was isolated from the Peruvian Amazon Basin region and cultured in BG-11 medium.
- Explanation
- Literature evidence directly states that Synechococcus sp. UCP002 was cultured in BG-11 medium.
- Name
- bg11_scenedesmus_obliquus_abc009_photoautotrophic
- Description
- BG-11 photoautotrophic cultivation condition for the lutein-producing algal strain reported as Scenedesmus obliquus ABC-009.
- Modifications
- Use BG-11 medium under photoautotrophic cultivation.
- Compare air and 2% CO2 gas conditions.
- Purpose
- Capture strain-level BG-11 growth evidence for Scenedesmus obliquus ABC-009, currently mapped by NCBI to Tetradesmus obliquus.
- Evidence
- Reference
- PMID:34584038
- Supports
- SUPPORT
- Snippet
- photoautotrophic mode using BG-11 medium with air or 2% CO2 and heterotrophic mode using YM medium.
- Explanation
- Literature evidence directly states that strain ABC-009 was evaluated under photoautotrophic BG-11 cultivation conditions.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-03-18T04:31:12.439728+00:00 | import_from_culturebotht.py | IMPORTED | Imported from CultureBotHT repository: BG11.yaml |
| 2026-03-18T04:33:58.353089Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:015450 |
| 2026-08-06T00:58:02.530976+00:00 | curate_organism_culture_type.py | SET_ORGANISM_CULTURE_TYPE | Inferred isolate: 3 specific strain(s) named, no community signal (#142) |
| 2026-09-10T00:00:00-07:00 | repair_culturebotht_bg11_score15.py | MARKED_CULTUREBOTHT_BG11_SCORE15 | CultureBotHT imports BG11 as a BG11-family formula. |