Fig. 2

Characteristics of cold-responsive lncRNAs in M. truncatula seedlings. a: Numbers of cold-responsive lncRNAs in leaves and roots of M. truncatula seedlings. b: Numbers of lncRNAs with different FC(log2) which were regulated by cold treatment in leaves and roots of M. truncatula seedlings. Data on X axis indicated varying (FC(log2)) values ranging from ≥1 to ≥10. c: Numbers of lncRNAs containing different exon numbers in response to cold treatment in leaves and roots of M. truncatula seedlings. d: Numbers of lncRNAs with different length responded to cold treatment in leaves and roots of M. truncatula seedlings. e: Numbers of lncRNAs distributed on chromosomes in response to cold treatment in leaves and roots of M. truncatula seedlings. f: Densities of lncRNAs on 8 chromosomes responded to cold treatment in leaves and roots of M. truncatula seedlings. CT-res: cold treatment responsive-lncRNAs; up- or down-regulated: expression of lncRNAs induced or reduced by cold treatment; L: leaves; R: roots. Three types of lncRNAs (antisense-lncRNA, intronic-lncRNA and lincRNA) regulated by cold treatment in leaves (g) and roots (h) of M. truncatula seedlings. Antisense-lncRNA: lncRNA overlapping with reference on the opposite strand; intronic-lncRNA: lncRNA falling entirely within a reference intron; lincRNA: intergenic lncRNA