Markup language used as a standard method of exchanging gene expression data along with the associated gene and experiment annotation. Includes document type definition and tagging references.

Information methodologies, tools, and technologies relating to the study of gene expression and signal transduction from the Institute for Transcriptional Informatics.

Features regulation of Prokaryotic genes. Includes study tools, the Lac Operon, and practice problems. From the Massachusetts Institute of Technology.

Designed for analysis of genomic regulatory sequences of higher eukaryotes. Includes several databases and programs for visualization of the information contained .

Contains the complete data sets for the experiments in the paper - DeRisi et. al. Science 278: 680-686, as well as the images of the whole-genome microarrays. Includes text files that can be downloaded.