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The Chromosome Level Genome and Genome-wide Association Study for the Agronomic Traits of Panax Notoginseng

  • Guangyi Fan
  • , Xiaochuan Liu
  • , Shuai Sun
  • , Chengcheng Shi
  • , Xiao Du
  • , Kai Han
  • , Binrui Yang
  • , Yuanyuan Fu
  • , Minghua Liu
  • , Inge Seim
  • , He Zhang
  • , Qiwu Xu
  • , Jiahao Wang
  • , Xiaoshan Su
  • , Libin Shao
  • , Yuanfang Zhu
  • , Yunchang Shao
  • , Yunpeng Zhao
  • , Andrew KC Wong
  • , Dennis Zhuang
  • Wenbin Chen, Gengyun Zhang, Huanming Yang, Xun Xu, Stephen Kwok Wing Tsui, Xin Liu, Simon Ming Yue Lee
  • University of Macau
  • BGI-Shenzhen
  • University of Waterloo
  • Chinese University of Hong Kong
  • Nanjing Normal University
  • Queensland University of Technology
  • Zhejiang University
  • BGI Research-Shenzhen

科研成果: 期刊稿件 › 文章 › 同行评审

49 引用 (Scopus)

摘要

The Chinese ginseng Panax notoginseng is a domesticated herb with significant medicinal and economic value. Here we report a chromosome-level P. notoginseng genome assembly with a high (∼79%) repetitive sequence content. The juxtaposition with the widely distributed, closely related Korean ginseng (Panax ginseng) genome revealed contraction of plant defense genes (in particular R-genes) in the P. notoginseng genome. We also investigated the reasons for the larger genome size of Panax species, revealing contributions from two Panax-specific whole-genome duplication events and transposable element expansion. Transcriptome data and comparative genome analysis revealed the candidate genes involved in the ginsenoside synthesis pathway. We also performed a genome-wide association study on 240 cultivated P. notoginseng individuals and identified the associated genes with dry root weight (63 genes) and stem thickness (168 genes). The P. notoginseng genome represents a critical step toward harnessing the full potential of an economically important and enigmatic plant.

源语言英语
期刊论文编号101538
期刊iScience
卷23
期9
DOI
出版状态已出版 - 25 9月 2020
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