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Comparative Mapping Of Arabidopsis Thaliana And Brassica Oleracea Chromosomes Reveals Islands Of Conserved Organization, Stanley P. Kowalski, Tien-Hung Lan, Kenneth A. Feldmann, Andrew H. Patterson
Comparative Mapping Of Arabidopsis Thaliana And Brassica Oleracea Chromosomes Reveals Islands Of Conserved Organization, Stanley P. Kowalski, Tien-Hung Lan, Kenneth A. Feldmann, Andrew H. Patterson
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The chromosomes of Arabidopsis thaliana and Brassica oleracea have been extensively rearranged since the divergence of these species; however, conserved regions are evident. Eleven regions of conserved organization were detected, ranging from 3.7 to 49.6 cM in A. thaliana, spanning 158.2 cM (24.6%) of the A. thaliana genome, and 245 cM (29.9%) of the B. oleracea genome. At least 17 translocations and 9 inversions distinguish the genomes of A. thaliana and B. oleracea. In one case B. oleracea homoeologs show a common marker order, which is distinguished from the A. thaliana order by a rearrangement, indicating that the lineages of …