Fig. 2
From: Expansion and evolutionary patterns of cysteine-rich peptides in plants
Collinearity of CRPs in the Rosaceae. The blue lines across the chromosomes indicate collinearity between CRP gene pairs. Lines above the chromosomes indicate CRP genes. Numbers in parentheses indicate the number of collinear gene pairs. Different coloured chromosomes indicate different species: yellow, pear; maroon, peach; pink, mei and red, strawberry