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.