Figure 6. Comparative analysis of sequence features and systeny at the pericentromeric regions on chromosome 5 and 6 among threeBrassica genome types: Chinese flowering cabbage (AA genome),B. nigra (BB genome) and B. oleracea (CC genome) . (A) Synteny map of Chr05 between B. nigra (BB genome) and B. rapa var. parachinensis (AA genome); (B) Synteny map of Chr05 between B. oleracea (CC genome) and B. rapa var. parachinensis (AA genome); (C) Synteny map of Chr05 between B. oleracea (CC genome) and B. nigra (BB genome). (D) Synteny map of Chr06 between B. nigra (BB genome) and B. rapa var.parachinensis (AA genome); (E) Synteny map of Chr03 of B. oleracea (CC genome) and Chr06 of B. rapa var.parachinensis (AA genome); (F) Synteny map of Chr03 of B. oleracea (CC genome) and Chr06 of B. nigra (BB genome). Tracks in the circos plot from outer to inner represent: a: Chromosomes; b: Gene; c: DNA-type TE; d: LTR retrotransposons; e: Tandem repeats; f: Synteny.