A new chromosome-scale genome of wild Brassica oleracea provides insights into the domestication of Brassica crops

© The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For commercial re-use, please contact reprintsoup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink serv...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 75(2024), 10 vom: 20. Mai, Seite 2882-2899
1. Verfasser: Ji, Gaoxiang (VerfasserIn)
Weitere Verfasser: Long, Ying, Cai, Guangqin, Wang, Aihua, Yan, Guixin, Li, Hao, Gao, Guizhen, Xu, Kun, Huang, Qian, Chen, Biyun, Li, Lixia, Li, Feng, Nishio, Takeshi, Shen, Jinxiong, Wu, Xiaoming
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article WUSCHEL Broccoli cauliflower crop domestication pangenome wild Brassica oleracea
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520 |a The cultivated diploid Brassica oleracea is an important vegetable crop, but the genetic basis of its domestication remains largely unclear in the absence of high-quality reference genomes of wild B. oleracea. Here, we report the first chromosome-level assembly of the wild Brassica oleracea L. W03 genome (total genome size, 630.7 Mb; scaffold N50, 64.6 Mb). Using the newly assembled W03 genome, we constructed a gene-based B. oleracea pangenome and identified 29 744 core genes, 23 306 dispensable genes, and 1896 private genes. We re-sequenced 53 accessions, representing six potential wild B. oleracea progenitor species. The results of the population genomic analysis showed that the wild B. oleracea populations had the highest level of diversity and represents the most closely related population to modern-day horticultural B. oleracea. In addition, the WUSCHEL gene was found to play a decisive role in domestication and to be involved in cauliflower and broccoli curd formation. We also illustrate the loss of disease-resistance genes during selection for domestication. Our results provide new insights into the domestication of B. oleracea and will facilitate the future genetic improvement of Brassica crops 
650 4 |a Journal Article 
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650 4 |a Broccoli 
650 4 |a cauliflower 
650 4 |a crop domestication 
650 4 |a pangenome 
650 4 |a wild Brassica oleracea 
700 1 |a Long, Ying  |e verfasserin  |4 aut 
700 1 |a Cai, Guangqin  |e verfasserin  |4 aut 
700 1 |a Wang, Aihua  |e verfasserin  |4 aut 
700 1 |a Yan, Guixin  |e verfasserin  |4 aut 
700 1 |a Li, Hao  |e verfasserin  |4 aut 
700 1 |a Gao, Guizhen  |e verfasserin  |4 aut 
700 1 |a Xu, Kun  |e verfasserin  |4 aut 
700 1 |a Huang, Qian  |e verfasserin  |4 aut 
700 1 |a Chen, Biyun  |e verfasserin  |4 aut 
700 1 |a Li, Lixia  |e verfasserin  |4 aut 
700 1 |a Li, Feng  |e verfasserin  |4 aut 
700 1 |a Nishio, Takeshi  |e verfasserin  |4 aut 
700 1 |a Shen, Jinxiong  |e verfasserin  |4 aut 
700 1 |a Wu, Xiaoming  |e verfasserin  |4 aut 
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