NMDC BioSamples
nmdc_ncbi_biosamples
Tenant: NMDC · Snapshot 2026-04-29T21:35:53.838483+00:00
Schema status
discoveredCuration status
curatedSource
berdl-spark-connect://metrics.berdl.kbase.us:443Philosophy
Standardize biosample metadata for cross-study comparisons. Enable sample discovery and integration across microbiome studies.
Citation & Attribution
Provider: NMDC / NCBI
Website: https://microbiomedata.org/
Scale
Schema Browser
Tables (17)
attribute_harmonized_pairings bioprojects_flattened biosamples_attributes biosamples_flattened biosamples_ids biosamples_links content_pairs_aggregated env_triads_flattened harmonized_name_dimensional_stats harmonized_name_usage_stats measurement_evidence_percentages measurement_results_skip_filtered mixed_content_counts ncbi_attributes_flattened ncbi_packages_flattened sra_biosamples_bioprojects unit_assertion_counts
measurement_evidence_percentages
| Column | Type | Description |
|---|
Sample Queries
Get biosamples
SELECT *
FROM nmdc_ncbi_biosamples.biosamples_flattened
LIMIT 20
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Environment, Geochemistry, and Ecology
Environmental samples, coordinates, geochemistry, sample metadata, and ecology-facing observations used to validate laboratory predictions in the field.
data typeHost, Clinical, Pathogen, and Isolate Data
Collections organized around host-associated samples, pathogen isolates, clinical context, or strain-level interpretation.
data collectionNMDC BioSamples
Harmonized NCBI BioSample metadata