Fig. 1From: TRaCE+: Ensemble inference of gene regulatory networks from transcriptional expression profiles of gene knock-out experimentsIllustration of signed digraph GRNs. a Example of a signed digraph \( {G}_{\varnothing}^{+} \). The pointed black arrows indicate positive regulations while the flathead red arrows represent negative regulations. b The network \( {G}_{\left\{\mathrm{D}\right\}}^{+} \) in which gene D has been deletedBack to article page