Non-coding RNA gene activation.(A) Histograms of ts for lncRNA, snoRNA, snRNA and miRNA precursors show these genes are activated rapidly. (B) Density plot of early peak gene length against ts for all RNA biotypes (grey symbols), lncRNA (red symbols) and miRNA precursors (blue symbols). LncRNA and miRNA form distinct clusters of RNAs activated with a wide range of kinetics.
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