Fig. 1

Graphic representation of the Brassica nigra pseudochromosomes. Each chromosome is represented by a vertical bar. Each horizontal bar represents a gene. Gene blocks have been identified on the basis of synteny with the A. thaliana gene blocks (A-X), as defined and color-coded by Schranz et al. [17]. Centromeric repeats are represented as black dots and telomeric repeats as red dots. A new nomenclature has been given to the B. nigra pseudochromosomes on the basis of maximum gene-level collinearity with the B. rapa pseudochromosomes [21]