FlyEx, the quantitative atlas on segmentation gene expression at cellular resolution.

The datasets on gene expression are the valuable source of information about the functional state of an organism. Recently, we have acquired the large dataset on expression of segmentation genes in the Drosophila blastoderm. To provide efficient access to the data, we have developed the FlyEx database (http://urchin.

A database for management of gene expression data in situ.

Motivation: To create a spatiotemporal atlas of Drosophila segmentation gene expression at cellular resolution.

Results: The expression of segmentation genes plays a crucial role in the establishment of the Drosophila body plan. Using the IBM DB2 Relational Database Management System we have designed and implemented the FlyEx database.