dictyBase is an integrated genetic and literature database that contains published Dictyostelium discoideum literature, genes, expressed sequence tags (ESTs), as well as the chromosomal and mitochondrial genome sequences. Direct access to the genome browser, a Blast search tool, the Dictyostelium Stock Center, research tools, colleague databases, and much much more are just a mouse click away. Dictybase is a genome portal for the Amoebozoa. dictyBase is funded by a grant from the National Institute for General Medical Sciences.