Quantitative analysis of primary sigma factor regulons.

The total sizes of the primary regulons are listed at the top. Values in the colored cells show the numbers of genes present uniquely within one sigma factor regulon. The intersection values show how many genes were present in two regulons. The numbers in italic list the top 5 direct alternative sigma factor cross-talks.a The regulon size is the sum of all genes defined to belong to the primary regulon of the sigma factor using our criteria described in Materials and Methods.Quantitative analysis of primary sigma factor regulons.