Expander version 5.0 includes the follwoing improvements: ============================================ 1) SAM algorithm for gene (probes) filtration. 2) Matisse algorithm for network-based detection of gene modules. 3) Interface to the SPIKE software for signaling network-based group analysis. 4) Location enrichment analysis of gene groups. 5) miRNA targets enrichment analysis of gene groups. 6) Partial support for Listeria and Tomato. 7) An option to automatically download organism-specific data. Expander 5.01 update contains the following improvements: ============================================= 1) Correction to a bug in gene search 2) Correction to a bug in functional analysis of location GO terms