1185-Evolution and Speciation of the Brassica A Genome
This research provides a comprehensive genomic map of the Brassica A genome by analyzing over 3,000 accessions of B. rapa, B. napus, and B. juncea. By constructing pan-blocks from multiple genome assemblies, the authors successfully traced the evolutionary origins of these crops to Central and West Asia. The study details three primary expansion routes across Eurasia, illustrating how geographic migration shaped the genetic diversity of modern oilseed and vegetable varieties. Crucially, the discovery of an ancient genomic inversion clarifies the distinct lineages of the A subgenomes in…
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