ArrayExpress – functional genomics data

ArrayExpress Archive of Functional Genomics Data stores data from high-throughput functional genomics experiments, and provides these data for reuse to the research community.

Latest News

10 January 2017 - Happy New Year - we're back!

Our team is gearing up again after the New Year holidays. There is a backlog of submissions that we are clearing up, we promise we won't make you wait for too much longer! If your submission needs to be processed sooner, please use the "Contact Us" button in Annotare, or email us at and we'll bring it forward in the queue.

If you happen to be attending the Plant and Animal Genome conference in San Diego later this week, come and say hello! Find us at the EMBL-EBI workshop, exhibition booth 406, or hear about exciting work we're doing for agricultural plants. We would love to chat to you!


Information about how to search ArrayExpress, understand search results, how to submit data and FAQ can be found in our Help section.

Find out more about the Functional Genomics group.

Tools and Access

Annotare: web-based submission tool for ArrayExpress.

ArrayExpress Bioconductor package: an R package to access ArrayExpress and build data structures.

Programmatic access: query and download data using web services or JSON.

FTP access: data can be downloaded directly from our FTP site.

Related Projects

Discover up and down regulated genes in numerous experimental conditions in the Expression Atlas.

Explore the Experimental Factor Ontology used to support queries and annotation of ArrayExpress data.