Prototype KG‑aware adaptation of the BioPortal interface. Graph pages generated from live KG‑Registry metadata; tool links go to the live BioPortal.
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ECTO

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Environmental conditions, treatments and exposures ontology

KGXBioPortal ontologyv2026-07-28CC0 1.0
Visibility: Public

A KGX transformation of the BioPortal ontology Environmental conditions, treatments and exposures ontology (ECTO), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

21,399
Nodes
61,849
Edges
2026-07-28
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
ECTO.tar.gz
21K nodes · 62K edges
Base graph is the full graph

This ontology declares no imports, so its base graph already is its full graph; nothing separate was built.

The graph contains ECTO_nodes.tsv and ECTO_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 15 categories across 21,399 nodes

MolecularEntity5,972
Activity5,216
NamedThing2,851
AnatomicalEntity2,356
PhysicalEntity1,583
OrganismTaxon1,423
Food557
BiologicalProcessOrActivity544
ChemicalEntity388
Attribute321
EnvironmentalFeature87
CellularComponent62
LifeStage15
InformationContentEntity13
MacromolecularComplex11

An item carrying more than one category is counted under each, so these counts can add up to more than the total.

How they were assigned 18,548 of 21,399 nodes (86.7%)

17is a seed term whose Biolink class is not in doubt
18,531inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 61,849 edges

Association61,849

An item carrying more than one category is counted under each, so these counts can add up to more than the total.