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The genome evolution and low-phosphorus adaptation in white lupin

Author

Listed:
  • Weifeng Xu

    (Fujian Agriculture and Forestry University)

  • Qian Zhang

    (Fujian Agriculture and Forestry University)

  • Wei Yuan

    (Fujian Agriculture and Forestry University)

  • Feiyun Xu

    (Fujian Agriculture and Forestry University)

  • Mehtab Muhammad Aslam

    (Fujian Agriculture and Forestry University)

  • Rui Miao

    (Fujian Agriculture and Forestry University)

  • Ying Li

    (Fujian Agriculture and Forestry University)

  • Qianwen Wang

    (Fujian Agriculture and Forestry University)

  • Xing Li

    (Fujian Agriculture and Forestry University)

  • Xin Zhang

    (Sino-Dutch Joint Laboratory of Horticultural Genomics)

  • Kang Zhang

    (Sino-Dutch Joint Laboratory of Horticultural Genomics)

  • Tianyu Xia

    (Fujian Agriculture and Forestry University)

  • Feng Cheng

    (Sino-Dutch Joint Laboratory of Horticultural Genomics)

Abstract

White lupin (Lupinus albus) is a legume crop that develops cluster roots and has high phosphorus (P)-use efficiency (PUE) in low-P soils. Here, we assemble the genome of white lupin and find that it has evolved from a whole-genome triplication (WGT) event. We then decipher its diploid ancestral genome and reconstruct the three sub-genomes. Based on the results, we further reveal the sub-genome dominance and the genic expression of the different sub-genomes varying in relation to their transposable element (TE) density. The PUE genes in white lupin have been expanded through WGT as well as tandem and dispersed duplications. Furthermore, we characterize four main pathways for high PUE, which include carbon fixation, cluster root formation, soil-P remobilization, and cellular-P reuse. Among these, auxin modulation may be important for cluster root formation through involvement of potential genes LaABCG36s and LaABCG37s. These findings provide insights into the genome evolution and low-P adaptation of white lupin.

Suggested Citation

  • Weifeng Xu & Qian Zhang & Wei Yuan & Feiyun Xu & Mehtab Muhammad Aslam & Rui Miao & Ying Li & Qianwen Wang & Xing Li & Xin Zhang & Kang Zhang & Tianyu Xia & Feng Cheng, 2020. "The genome evolution and low-phosphorus adaptation in white lupin," Nature Communications, Nature, vol. 11(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14891-z
    DOI: 10.1038/s41467-020-14891-z
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    Cited by:

    1. Chao Fang & Ning Jiang & Scott J. Teresi & Adrian E. Platts & Gaurav Agarwal & Chad Niederhuth & Patrick P. Edger & Jiming Jiang, 2024. "Dynamics of accessible chromatin regions and subgenome dominance in octoploid strawberry," Nature Communications, Nature, vol. 15(1), pages 1-14, December.

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