Functional annotation of differentially expressed genes in WT versus ΔveA (KO) cultures growing in the dark and in the light. Genes from different time points are combined for the analysis using the DAVID server. Categories are from the GO database (GO), InterPro database (IPR), PIR database (PIRSF), SMART database (SM), KEGG database (afv), or UniProt (no accession numbers). The x axis shows the number of genes in each category. (A) Dark cultures. (B) Light cultures.