Fig. 4

Schematic screen shots of two typical types of m⁶A topologies in mRNA in Arabidopsis. a Type 1 (representative gene, ‘AT2G01910’; trace files of two organs (flowers and roots) were presented), one or two predominant peaks in 3′UTR or at stop codon with several much lower signals in the codon regions. The peaks in 3′UTR or at stop codon were two to tens of folds of the signals in the codon regions. Most of the messenger RNA (over 70 %) presented this type of m⁶A topology. b Type 2 (representative gene, ‘At3g29030’; trace files of three organs, leaves (the upper), flowers (in the middle), and roots (the lower) were presented). Several m⁶A sites distributing in the transcripts with low m⁶A signals (in the middle and lower parts of the figure, representative of flowers and roots) or without peaks in 3′UTR or at stop codon (in the upper part, representative of leaves)