Files in this Data Supplement:

• Supplemental file 1 - Table S2, differentially regulated genes in wild-type Synechocystis sp. strain PCC 6803 wild type compared to ΔsigB and ΔsigD strains at L1 and D1
  MS Word document, 247K.
• Supplemental file 2 - Table S3, differentially regulated genes in Synechocystis sp. strain PCC 6803 at GL1 and GD1 in the wild type and the ΔsigB::ΔsigE strain
  MS Word document, 98K.
• Supplemental file 3 - Table S1, microarray analysis of Synechocystis sp. strain PCC 6803 gene expression in response to light/dark transition in the wild type and in ΔsigB and ΔsigD mutant strains
  Zipped Excel document, 27K.