Corona is a web interface for the Gene Expression Atlas curation REST API. The Atlas REST API provides fucntionality for editing experiment level sample and assay characteristics. It also provides functionality for annotating sample and assay descriptions with ontology terms.


Corona interafce showing a set of sample descriptions for one experiment

Corona uses widgets from BioPortal to support searching for ontology terms for data annotations

Corona also uses the NCBO Annotator to assist curators in semi-automated ontology annoattion.


Corona is an internal curation tool for the Atlas database. It is available on request for interested users. You will need your own instance of the Gene Expression Atlas database to run Corona.

More Information

For more information, please contact Simon Jupp (jupp [at]


This tool was developed by Simon Jupp. We also acknowledge the NCBO driving biological projects (DBP) grant.