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Genomic insight into domestication of rubber tree

Author

Listed:
  • Jinquan Chao

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Shaohua Wu

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Minjing Shi

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Xia Xu

    (Chinese Academy of Sciences)

  • Qiang Gao

    (Zhejiang University
    Life Science Park)

  • Huilong Du

    (Chinese Academy of Sciences
    Hebei University
    University of Chinese Academy of Sciences)

  • Bin Gao

    (Chinese Academy of Sciences)

  • Dong Guo

    (Chinese Academy of Tropical Agricultural Sciences)

  • Shuguang Yang

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Shixin Zhang

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Yan Li

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Xiuli Fan

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Chunyan Hai

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Liquan Kou

    (Chinese Academy of Sciences)

  • Jiao Zhang

    (BGI-Shenzhen)

  • Zhiwei Wang

    (BGI-Shenzhen)

  • Yan Li

    (BGI-Shenzhen)

  • Wenbo Xue

    (BGI-Shenzhen)

  • Jiang Xu

    (China Academy of Chinese Medical Sciences)

  • Xiaomin Deng

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Xiao Huang

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Xinsheng Gao

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Xiaofei Zhang

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Yanshi Hu

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Xia Zeng

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Weiguo Li

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Liangsheng Zhang

    (Zhejiang University)

  • Shiqing Peng

    (Chinese Academy of Tropical Agricultural Sciences)

  • Jilin Wu

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Bingzhong Hao

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

  • Xuchu Wang

    (Guizhou University)

  • Hong Yu

    (Chinese Academy of Sciences)

  • Jiayang Li

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Hainan Yazhou Bay Seed Laboratory)

  • Chengzhi Liang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Wei-Min Tian

    (Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences
    Chinese Academy of Tropical Agricultural Sciences)

Abstract

Understanding the genetic basis of rubber tree (Hevea brasiliensis) domestication is crucial for further improving natural rubber production to meet its increasing demand worldwide. Here we provide a high-quality H. brasiliensis genome assembly (1.58 Gb, contig N50 of 11.21 megabases), present a map of genome variations by resequencing 335 accessions and reveal domestication-related molecular signals and a major domestication trait, the higher number of laticifer rings. We further show that HbPSK5, encoding the small-peptide hormone phytosulfokine (PSK), is a key domestication gene and closely correlated with the major domestication trait. The transcriptional activation of HbPSK5 by myelocytomatosis (MYC) members links PSK signaling to jasmonates in regulating the laticifer differentiation in rubber tree. Heterologous overexpression of HbPSK5 in Russian dandelion (Taraxacum kok-saghyz) can increase rubber content by promoting laticifer formation. Our results provide an insight into target genes for improving rubber tree and accelerating the domestication of other rubber-producing plants.

Suggested Citation

  • Jinquan Chao & Shaohua Wu & Minjing Shi & Xia Xu & Qiang Gao & Huilong Du & Bin Gao & Dong Guo & Shuguang Yang & Shixin Zhang & Yan Li & Xiuli Fan & Chunyan Hai & Liquan Kou & Jiao Zhang & Zhiwei Wang, 2023. "Genomic insight into domestication of rubber tree," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-40304-y
    DOI: 10.1038/s41467-023-40304-y
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    References listed on IDEAS

    as
    1. Huilong Du & Chengzhi Liang, 2019. "Assembly of chromosome-scale contigs by efficiently resolving repetitive sequences with long reads," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
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