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Comparison of buckwheat genomes reveals the genetic basis of metabolomic divergence and ecotype differentiation

文献类型： 外文期刊

作者： He, Ming 1 ; He, Yuqi 1 ; Zhang, Kaixuan 1 ; Lu, Xiang 1 ; Zhang, Xuemei 4 ; Gao, Bin 1 ; Fan, Yu 1 ; Zhao, Hui 1 ; Jha, Rintu 1 ; Huda, Md Nurul 1 ; Tang, Yu 1 ; Wang, Junzhen 5 ; Yang, Weifei 4 ; Yan, Mingli 6 ; Cheng, Jianping 3 ; Ruan, Jingjun 3 ; Dulloo, Ehsan 7 ; Zhang, Zongwen 7 ; Georgiev, Milen, I 8 ; Chapman, Mark A. 10 ; Zhou, Meiliang 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, Natl Crop Genebank Bldg,Zhongguancun South St 12, Beijing 100081, Peoples R China

2.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Beijing 100081, Peoples R China

3.Guizhou Univ, Coll Agr, Guiyang 550025, Peoples R China

4.Annord Gene Technol Beijing Co Ltd, Beijing 100176, Peoples R China

5.Xichang Inst Agr Sci, Res Stn Alpine Crop, Liangshan 616150, Sichuan, Peoples R China

6.Hunan Acad Agr Sci, Crop Res Inst, Changsha 410125, Peoples R China

7.Alliance Biovers Int & CIAT, Via San Domenico 1, I-00153 Rome, Italy

8.Bulgarian Acad Sci, Stephan Angeloff Inst Microbiol, Grp Plant Cell Biotechnol & Metabol, Plovdiv 4002, Bulgaria

9.Ctr Plant Syst Biol & Biotechnol, Plovdiv 4002, Bulgaria

10.Univ Southampton, Biol Sci, Life Sci Bldg 85,Highfield Campus, Southampton SO17 1BJ, Hants, England

关键词： comparative genomics; differentiation; flavonoids biosynthesis; genome; golden buckwheat

期刊名称：NEW PHYTOLOGIST （ 影响因子：10.323； 五年影响因子：10.768 ）

ISSN： 0028-646X

年卷期： 2022 年 235 卷 5 期

页码：

收录情况： SCI

摘要： Golden buckwheat (Fagopyrum dibotrys or Fagopyrum cymosum) and Tartary buckwheat (Fagopyrum tataricum) belong to the Polygonaceae and the Fagopyrum genus is rich in flavonoids. Golden buckwheat is a wild relative of Tartary buckwheat, yet golden buckwheat is a traditional Chinese herbal medicine and Tartary buckwheat is a food crop. The genetic basis of adaptive divergence between these two buckwheats is poorly understood. Here, we assembled a high-quality chromosome-level genome of golden buckwheat and found a one-to-one syntenic relationship with the chromosomes of Tartary buckwheat. Two large inversions were identified that differentiate golden buckwheat and Tartary buckwheat. Metabolomic and genetic comparisons of golden buckwheat and Tartary buckwheat indicate an amplified copy number of FdCHI, FdF3H, FdDFR, and FdLAR gene families in golden buckwheat, and a parallel increase in medicinal flavonoid content. Resequencing of 34 wild golden buckwheat accessions across the two morphologically distinct ecotypes identified candidate genes, including FdMYB44 and FdCRF4, putatively involved in flavonoid accumulation and differentiation of plant architecture, respectively. Our comparative genomic study provides abundant genomic resources of genomic divergent variation to improve buckwheat with excellent nutritional and medicinal value.

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[1]Comparison of buckwheat genomes reveals the genetic basis of metabolomic divergence and ecotype differentiation. He, Ming,He, Yuqi,Zhang, Kaixuan,Lu, Xiang,Gao, Bin,Fan, Yu,Zhao, Hui,Jha, Rintu,Huda, Md Nurul,Tang, Yu,Zhou, Meiliang,He, Ming,Lu, Xiang,Fan, Yu,Cheng, Jianping,Ruan, Jingjun,Zhang, Xuemei,Yang, Weifei,Wang, Junzhen,Yan, Mingli,Dulloo, Ehsan,Zhang, Zongwen,Georgiev, Milen, I,Georgiev, Milen, I,Chapman, Mark A.. 2022

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