(C) Spearman rank correlation between log2-fold changes of differentially expressed genes significant in either the somatic or process compartment color-coded for exclusive changes in the respective compartments. Representative genes are highlighted and labelled. The statistical significance of Spearman correlations was calculated in the standard way, using Spearman's rho statistic. Regression lines indicate fitted linear models, with the lightgrey shaded areas depicting the 95% confidence interval. 