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Genome assembly of wild tea tree DASZ reveals pedigree and selection history of tea varieties

Author

Listed:
  • Weiyi Zhang

    (Huazhong Agricultural University)

  • Youjun Zhang

    (Center of Plant Systems Biology and Biotechnology
    Max-Planck-Institute of Molecular Plant Physiology)

  • Haiji Qiu

    (Huazhong Agricultural University)

  • Yafei Guo

    (Huazhong Agricultural University)

  • Haoliang Wan

    (Huazhong Agricultural University)

  • Xiaoliang Zhang

    (Huazhong Agricultural University)

  • Federico Scossa

    (Max-Planck-Institute of Molecular Plant Physiology
    Research Center for Genomics and Bioinformatics)

  • Saleh Alseekh

    (Center of Plant Systems Biology and Biotechnology
    Max-Planck-Institute of Molecular Plant Physiology)

  • Qinghua Zhang

    (Huazhong Agricultural University)

  • Pu Wang

    (Huazhong Agricultural University)

  • Li Xu

    (Huazhong Agricultural University)

  • Maximilian H-W Schmidt

    (RWTH Aachen University)

  • Xinxin Jia

    (Huazhong Agricultural University)

  • Daili Li

    (Huazhong Agricultural University)

  • Anting Zhu

    (Huazhong Agricultural University)

  • Fei Guo

    (Huazhong Agricultural University)

  • Wei Chen

    (Huazhong Agricultural University)

  • Dejiang Ni

    (Huazhong Agricultural University)

  • Björn Usadel

    (RWTH Aachen University
    Institute of Bio- and Geosciences, IBG-4: Bioinformatics, CEPLAS, Forschungszentrum Jülich
    Heinrich Heine University)

  • Alisdair R. Fernie

    (Center of Plant Systems Biology and Biotechnology
    Max-Planck-Institute of Molecular Plant Physiology)

  • Weiwei Wen

    (Huazhong Agricultural University)

Abstract

Wild teas are valuable genetic resources for studying domestication and breeding. Here we report the assembly of a high-quality chromosome-scale reference genome for an ancient tea tree. The further RNA sequencing of 217 diverse tea accessions clarifies the pedigree of tea cultivars and reveals key contributors in the breeding of Chinese tea. Candidate genes associated with flavonoid biosynthesis are identified by genome-wide association study. Specifically, diverse allelic function of CsANR, CsF3’5’H and CsMYB5 is verified by transient overexpression and enzymatic assays, providing comprehensive insights into the biosynthesis of catechins, the most important bioactive compounds in tea plants. The inconspicuous differentiation between ancient trees and cultivars at both genetic and metabolic levels implies that tea may not have undergone long-term artificial directional selection in terms of flavor-related metabolites. These genomic resources provide evolutionary insight into tea plants and lay the foundation for better understanding the biosynthesis of beneficial natural compounds.

Suggested Citation

  • Weiyi Zhang & Youjun Zhang & Haiji Qiu & Yafei Guo & Haoliang Wan & Xiaoliang Zhang & Federico Scossa & Saleh Alseekh & Qinghua Zhang & Pu Wang & Li Xu & Maximilian H-W Schmidt & Xinxin Jia & Daili Li, 2020. "Genome assembly of wild tea tree DASZ reveals pedigree and selection history of tea varieties," Nature Communications, Nature, vol. 11(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17498-6
    DOI: 10.1038/s41467-020-17498-6
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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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