Download Mondo:
Download: https://github.com/monarch-initiative/mondo
Format: OWL, OBO and json formats
License: CC BY 4.0
Products:
Stable release versions
| File | Link | Description |
|---|---|---|
| Main OWL edition | mondo.owl | Complete ontology, plus inter-ontology equivalence axioms. Uses Mondo IDs. |
| International edition | mondo-international.owl | Like the Main OWL version, but with language translations, see below . |
| Rare Disease subset | mondo-rare.owl | A subset of mondo.owl including only rare diseases, see below. |
| obo-format edition | mondo.obo | As OWL, but omits equivalence axioms. xrefs can be used as proxy for equivalence. Uses Mondo IDs. |
| json edition | mondo.json | Equivalent to the OWL edition. |
International Edition
The Mondo international edition was created in 2025 to accomodate for the first community-curated language translation, Japanese.
The Japanese language translation is led by Toyofumi Fujiwara and Terue Takatsuki for the Database Center for Life Science (DBCLS).
Rare Disease Subset
The Mondo Rare Disease subset comprises all human Rare Diseases as designated by a Rare Disease authoritiative resource.
Rare disease authorities include:
| Rare disease authority | Link | Annotation in Mondo |
|---|---|---|
| GARD | https://rarediseases.info.nih.gov/ | gard_rare |
| NORD | https://rarediseases.org/ | nord_rare |
| Orphanet | https://www.orpha.net/ | orphanet_rare |
Find out more here.
View Mondo
- Ontology Lookup Service: https://www.ebi.ac.uk/ols4/ontologies/mondo. Note: OLS is uploaded approximately one week after the Mondo release.
- Monarch Initiative: https://monarchinitiative.org/disease/MONDO:0000001 Note: Monarch does not always have the latest Mondo release. We recommend searching in OLS for the latest changes.
- AberOWL: http://aber-owl.net/ontology/MONDO/#/
- BioPortal: https://bioportal.bioontology.org/ontologies/MONDO
- OBO Foundry: http://obofoundry.org/ontology/mondo.html
- Ontobee: http://www.ontobee.org/ontology/MONDO
Documentation
- The Mondo Editor’s Guide: https://mondo.readthedocs.io/en/latest/
- The Mondo Ingest Guide: https://monarch-initiative.github.io/mondo-ingest/