Fig. 1. Seven types of alternative splicing. (A) Intron retention (IR), (B) Exon skipping, (C) Mutually exclusive exons, (D) Alternative 5’ splicing, (E) Alternative 3’ splicing, (F) Alternative first exons, (G) Alternative last exons. Intron retention is the major alternative splicing event in rice, whereas exon skipping is the most frequent alternative splicing in humans.
