Fig. 4From: Genome-wide analysis of proline-rich extension-like receptor protein kinase (PERK) in Brassica rapa and its association with the pollen developmentPERK gene duplication among B. rapa (AA) and A. thaliana, B. nigra (BB), B. oleracea (CC). Different color lines exhibited paralogous pairs. Chr1-Chr5 (red blocks) indicated chromosomes of A. thaliana; A1-A10 (green blocks), B1-B8 (orange blocks) and C1-C9 (blue blocks) represented sub-genomes of B. rapa (AA), B. nigra (BB) and B. oleracea (CC), respectivelyBack to article page