Comparative genomic analyses reveal the genetic basis of the yellow-seed trait in Brassica napus
Cunmin Qu,
Meichen Zhu,
Ran Hu,
Yongchao Niu,
Si Chen,
Huiyan Zhao,
Chengxiang Li,
Zhen Wang,
Nengwen Yin,
Fujun Sun,
Zhiyou Chen,
Shulin Shen,
Guoxia Shang,
Yan Zhou,
Xingying Yan,
Lijuan Wei,
Liezhao Liu,
Bin Yi,
Jinmin Lian,
Jiang Li,
Zhanglin Tang,
Ying Liang,
Xinfu Xu,
Rui Wang,
Jiaming Yin,
Huafang Wan,
Hai Du,
Wei Qian,
Yourong Chai,
Qingyuan Zhou,
Yajun He,
Silin Zhong,
Xiao Qiu,
Hao Yu,
Hon-Ming Lam,
Kun Lu (),
Fuyou Fu () and
Jiana Li ()
Additional contact information
Cunmin Qu: Southwest University
Meichen Zhu: Southwest University
Ran Hu: Southwest University
Yongchao Niu: The Chinese University of Hong Kong
Si Chen: Southwest University
Huiyan Zhao: Southwest University
Chengxiang Li: National University of Singapore
Zhen Wang: Southwest University
Nengwen Yin: Southwest University
Fujun Sun: Southwest University
Zhiyou Chen: Southwest University
Shulin Shen: Southwest University
Guoxia Shang: Qinghai University
Yan Zhou: Southwest University
Xingying Yan: Southwest University
Lijuan Wei: Southwest University
Liezhao Liu: Southwest University
Bin Yi: Huazhong Agricultural University
Jinmin Lian: Biozeron Shenzhen, Inc
Jiang Li: Biozeron Shenzhen, Inc
Zhanglin Tang: Southwest University
Ying Liang: Southwest University
Xinfu Xu: Southwest University
Rui Wang: Southwest University
Jiaming Yin: Southwest University
Huafang Wan: Southwest University
Hai Du: Southwest University
Wei Qian: Southwest University
Yourong Chai: Southwest University
Qingyuan Zhou: Southwest University
Yajun He: Southwest University
Silin Zhong: The Chinese University of Hong Kong
Xiao Qiu: University of Saskatchewan
Hao Yu: National University of Singapore
Hon-Ming Lam: The Chinese University of Hong Kong
Kun Lu: Southwest University
Fuyou Fu: Saskatoon Research Centre
Jiana Li: Southwest University
Nature Communications, 2023, vol. 14, issue 1, 1-16
Abstract:
Abstract Yellow-seed trait is a desirable breeding characteristic of rapeseed (Brassica napus) that could greatly improve seed oil yield and quality. However, the underlying mechanisms controlling this phenotype in B. napus plants are difficult to discern because of their complexity. Here, we assemble high-quality genomes of yellow-seeded (GH06) and black-seeded (ZY821). Combining in-depth fine mapping of a quantitative trait locus (QTL) for seed color with other omics data reveal BnA09MYB47a, encoding an R2R3-MYB-type transcription factor, as the causal gene of a major QTL controlling the yellow-seed trait. Functional studies show that sequence variation of BnA09MYB47a underlies the functional divergence between the yellow- and black-seeded B. napus. The black-seed allele BnA09MYB47aZY821, but not the yellow-seed allele BnA09MYB47aGH06, promotes flavonoid biosynthesis by directly activating the expression of BnTT18. Our discovery suggests a possible approach to breeding B. napus for improved commercial value and facilitates flavonoid biosynthesis studies in Brassica crops.
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-40838-1
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DOI: 10.1038/s41467-023-40838-1
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