期刊
NATURE GENETICS
卷 43, 期 10, 页码 1035-U157出版社
NATURE PORTFOLIO
DOI: 10.1038/ng.919
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资金
- Chinese Ministry of Science and Technology
- Ministry of Agriculture
- Ministry of Finance
- National Natural Science Foundation of China
- Non-profit Governmental Research Institution
- European Union
- Shenzhen Municipal Government of China
- Danish Natural Science Research Council
- National Academy of Agricultural Science
- Next-Generation Biogreen21 Program
- Rural Development Administration, Korea
- Technology Development Program for Agriculture and Forestry
- Ministry for Food, Agriculture, Forestry and Fisheries, Korea
- United Kingdom's Biotechnology and Biological Sciences Research Council
- Institute National de la Recherche Agronomique, France
- Japanese Kazusa DNA Research Institute Foundation
- National Science Foundation, USA
- Bielefeld University, Germany
- Australian Research Council
- Australian Grains Research and Development Corporation
- Agriculture and Agri-Food Canada
- National Research Council of Canada's Plant Biotechnology Institute
- BBSRC [BB/E017363/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/E017363/1] Funding Source: researchfish
- Div Of Biological Infrastructure
- Direct For Biological Sciences [0849896] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [21580060] Funding Source: KAKEN
We report the annotation and analysis of the draft genome sequence of Brassica rapa accession Chiifu-401-42, a Chinese cabbage. We modeled 41,174 protein coding genes in the B. rapa genome, which has undergone genome triplication. We used Arabidopsis thaliana as an outgroup for investigating the consequences of genome triplication, such as structural and functional evolution. The extent of gene loss (fractionation) among triplicated genome segments varies, with one of the three copies consistently retaining a disproportionately large fraction of the genes expected to have been present in its ancestor. Variation in the number of members of gene families present in the genome may contribute to the remarkable morphological plasticity of Brassica species. The B. rapa genome sequence provides an important resource for studying the evolution of polyploid genomes and underpins the genetic improvement of Brassica oil and vegetable crops.
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