Figure 5. Biologically meaningful subnetworks identified from the target lists of the DCL1 (Dicer-like 1)-dependent, AGO1 (Argonaute 1)-enriched sRNAs (small RNAs) in Arabidopsis. (A) Subnetwork containing AP2 (APETALA2)- and flower development-related target genes. (B) Subnetwork containing target genes involved in RNA-level biological processes such as processing, splicing and transcription. (C) Subnetwork containing target genes implicated in auxin signaling. (D) Subnetwork containing target genes whose expression levels were significantly upregulated in the dcl1 mutant of Arabidopsis according to the previous reports.^25,32,33 All the subnetworks were generated by using Cytoscape.⁴²