Fig 4.

Differentially expressed genes in the dasR-disrupted mutant (□) and wild-type strain (■) of S. coelicolor A3(2) grown in soil in the presence of chitin. The differentially expressed genes involved in similar biological processes were categorized according to their functional classification. Of the gene categories, the chitin catabolism genes (A), stress response genes (B), and several gene sets for secondary metabolic pathways (C) are presented. The complete sets of differentially expressed genes are listed in data set S2 in the supplemental material.