Genomic structure analysis of members of the LRRII subfamily of tomato and Arabidopsis. (A) Exons are shown as dark boxes and introns as grey lines. Green boxes represent fused exons. The number between parentheses represents the number of exons in each gene. Almost all genes contain 11 exons. (B) Boxplot illustrating the distribution of intron length among LRRII clades of Arabidopsis and tomato. The red line marks the average intron length. Note the large length of intronic regions in SERK genes compared with genes from other clades, and in tomato sequences compared with Arabidopsis sequences.
Sakamoto et al. BMC Plant Biology 2012 12:229 doi:10.1186/1471-2229-12-229