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Population sequencing enhances understanding of tea plant evolution

Author

Listed:
  • Xinchao Wang

    (Chinese Academy of Agricultural Sciences)

  • Hu Feng

    (Chinese Academy of Agricultural Sciences)

  • Yuxiao Chang

    (Chinese Academy of Agricultural Sciences)

  • Chunlei Ma

    (Chinese Academy of Agricultural Sciences)

  • Liyuan Wang

    (Chinese Academy of Agricultural Sciences)

  • Xinyuan Hao

    (Chinese Academy of Agricultural Sciences)

  • A’lun Li

    (Chinese Academy of Agricultural Sciences)

  • Hao Cheng

    (Chinese Academy of Agricultural Sciences)

  • Lu Wang

    (Chinese Academy of Agricultural Sciences)

  • Peng Cui

    (Chinese Academy of Agricultural Sciences)

  • Jiqiang Jin

    (Chinese Academy of Agricultural Sciences)

  • Xiaobo Wang

    (Chinese Academy of Agricultural Sciences)

  • Kang Wei

    (Chinese Academy of Agricultural Sciences)

  • Cheng Ai

    (Chinese Academy of Agricultural Sciences)

  • Sheng Zhao

    (Chinese Academy of Agricultural Sciences)

  • Zhichao Wu

    (Chinese Academy of Agricultural Sciences)

  • Youyong Li

    (Yunnan Academy of Agricultural Sciences)

  • Benying Liu

    (Yunnan Academy of Agricultural Sciences)

  • Guo-Dong Wang

    (Chinese Academy of Sciences
    Chinese Academy of Sciences)

  • Liang Chen

    (Chinese Academy of Agricultural Sciences)

  • Jue Ruan

    (Chinese Academy of Agricultural Sciences)

  • Yajun Yang

    (Chinese Academy of Agricultural Sciences)

Abstract

Tea is an economically important plant characterized by a large genome, high heterozygosity, and high species diversity. In this study, we assemble a 3.26-Gb high-quality chromosome-scale genome for the ‘Longjing 43’ cultivar of Camellia sinensis var. sinensis. Genomic resequencing of 139 tea accessions from around the world is used to investigate the evolution and phylogenetic relationships of tea accessions. We find that hybridization has increased the heterozygosity and wide-ranging gene flow among tea populations with the spread of tea cultivation. Population genetic and transcriptomic analyses reveal that during domestication, selection for disease resistance and flavor in C. sinensis var. sinensis populations has been stronger than that in C. sinensis var. assamica populations. This study provides resources for marker-assisted breeding of tea and sets the foundation for further research on tea genetics and evolution.

Suggested Citation

  • Xinchao Wang & Hu Feng & Yuxiao Chang & Chunlei Ma & Liyuan Wang & Xinyuan Hao & A’lun Li & Hao Cheng & Lu Wang & Peng Cui & Jiqiang Jin & Xiaobo Wang & Kang Wei & Cheng Ai & Sheng Zhao & Zhichao Wu &, 2020. "Population sequencing enhances understanding of tea plant evolution," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18228-8
    DOI: 10.1038/s41467-020-18228-8
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    Cited by:

    1. Ji-Qiang Jin & Fu-Rong Qu & Huisi Huang & Qing-Shuai Liu & Meng-Yuan Wei & Yuee Zhou & Ke-Lin Huang & Zhibo Cui & Jie-Dan Chen & Wei-Dong Dai & Li Zhu & Ming-Zhe Yao & Zhi-Min Zhang & Liang Chen, 2023. "Characterization of two O-methyltransferases involved in the biosynthesis of O-methylated catechins in tea plant," Nature Communications, Nature, vol. 14(1), pages 1-13, December.

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