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Genome of Paspalum vaginatum and the role of trehalose mediated autophagy in increasing maize biomass

Author

Listed:
  • Guangchao Sun

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • Nishikant Wase

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln
    University of Virginia)

  • Shengqiang Shu

    (Lawrence Berkeley National Laboratory)

  • Jerry Jenkins

    (HudsonAlpha Institute for Biotechnology)

  • Bangjun Zhou

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • J. Vladimir Torres-Rodríguez

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • Cindy Chen

    (Lawrence Berkeley National Laboratory)

  • Laura Sandor

    (Lawrence Berkeley National Laboratory)

  • Chris Plott

    (HudsonAlpha Institute for Biotechnology)

  • Yuko Yoshinga

    (Lawrence Berkeley National Laboratory)

  • Christopher Daum

    (Lawrence Berkeley National Laboratory)

  • Peng Qi

    (University of Georgia
    University of Georgia
    University of Georgia)

  • Kerrie Barry

    (Lawrence Berkeley National Laboratory)

  • Anna Lipzen

    (Lawrence Berkeley National Laboratory)

  • Luke Berry

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • Connor Pedersen

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • Thomas Gottilla

    (University of Georgia)

  • Ashley Foltz

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln
    University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • Huihui Yu

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • Ronan O’Malley

    (Lawrence Berkeley National Laboratory)

  • Chi Zhang

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • Katrien M. Devos

    (University of Georgia
    University of Georgia
    University of Georgia)

  • Brandi Sigmon

    (University of Nebraska-Lincoln)

  • Bin Yu

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • Toshihiro Obata

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

  • Jeremy Schmutz

    (Lawrence Berkeley National Laboratory
    HudsonAlpha Institute for Biotechnology)

  • James C. Schnable

    (University of Nebraska-Lincoln
    University of Nebraska-Lincoln
    University of Nebraska-Lincoln)

Abstract

A number of crop wild relatives can tolerate extreme stress to a degree outside the range observed in their domesticated relatives. However, it is unclear whether or how the molecular mechanisms employed by these species can be translated to domesticated crops. Paspalum (Paspalum vaginatum) is a self-incompatible and multiply stress-tolerant wild relative of maize and sorghum. Here, we describe the sequencing and pseudomolecule level assembly of a vegetatively propagated accession of P. vaginatum. Phylogenetic analysis based on 6,151 single-copy syntenic orthologues conserved in 6 related grass species places paspalum as an outgroup of the maize-sorghum clade. In parallel metabolic experiments, paspalum, but neither maize nor sorghum, exhibits a significant increase in trehalose when grown under nutrient-deficit conditions. Inducing trehalose accumulation in maize, imitating the metabolic phenotype of paspalum, results in autophagy dependent increases in biomass accumulation.

Suggested Citation

  • Guangchao Sun & Nishikant Wase & Shengqiang Shu & Jerry Jenkins & Bangjun Zhou & J. Vladimir Torres-Rodríguez & Cindy Chen & Laura Sandor & Chris Plott & Yuko Yoshinga & Christopher Daum & Peng Qi & K, 2022. "Genome of Paspalum vaginatum and the role of trehalose mediated autophagy in increasing maize biomass," Nature Communications, Nature, vol. 13(1), pages 1-20, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-35507-8
    DOI: 10.1038/s41467-022-35507-8
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    References listed on IDEAS

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    1. Schnitkey, Gary, 2017. "Fertilizer Costs in 2017 and 2018," farmdoc daily, University of Illinois at Urbana-Champaign, Department of Agricultural and Consumer Economics, vol. 7, July.
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