Fig. 3

Characteristics of walnut lncRNAs. a Proportion of lncRNAs that are located in intergenic and genic regions. b Length distribution of 22,336 newly predicted lncRNAs (red) and 58,369 protein-coding transcripts (blue). c Distribution of exon numbers in protein-coding genes (red) and lncRNA genes (blue). d Expression levels of protein-coding genes and lncRNA genes presented as log10 (FPKM + 1) values