1 Economic/Academic importance.- 2 Background History of the National and International B. rapa Genome Sequencing Initiatives.- 3 Genomic Resources and Physical Mapping of the B. rapa Genome.- 4 De Novo Genome Assembly of Next-Generation Sequencing Data.- 5 Crop Genome Annotation: A Case Study for the Brassica rapa Genome.- 6 Miniature Transposable Elements (mTEs): Impacts and Uses in the Brassica genome.- 7 Genomic Survey of the Hidden Components of the B. rapa Genome.- 8 The Common Ancestral Genome of the Brassica Species.- 9 Genome Evolution after Whole-Genome Triplication: The Subgenome Dominance in Brassica rapa .- 10 Genome Triplication Drove the Diversification of Brassica Plants.- 11 Comparative Analysis of Gene Conversion between Duplicated Regions in Brassica rapa and B. oleracea Genomes.- 12 Molecular Mapping and Cloning of Genes and QTLs in B. rapa.- 13 Impact on Brassica breeding.- 14 The Database for Brassica Genome Studies-BRAD.- 15 Future Prospects.