Figure 4.

Correlation maps of gene expression profiles. The correlations of gene expression profiles are represented using the green-magenta scale shown. Light green corresponds to positive correlation and light magenta to negative correlation. A, Correlation map of chromosome 3B. The chromosome 3B is schematically depicted as in Figure 1. The contigs were ordered as described in “Materials and Methods.” The green clusters on the diagonal line correspond to coexpression clusters. B, Zoom of the orange squared region in A. Some coexpression clusters are circled in yellow. A coregulation island composed of two coexpression clusters with correlated expression profiles distantly is circled in white.