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Warm temperature triggers JOX and ST2A-mediated jasmonate catabolism to promote plant growth

Author

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  • Tingting Zhu

    (Ghent University
    VIB Center for Plant Systems Biology)

  • Cornelia Herrfurth

    (Department of Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences and Goettingen Center for Molecular Biosciences (GZMB), University of Goettingen
    Goettingen Service Unit for Metabolomics and Lipidomics, Goettingen Center for Molecular Biosciences (GZMB), University of Goettingen)

  • Mingming Xin

    (State Key Laboratory for Agrobiotechnology, Key Laboratory of Crop Heterosis and Utilization (MOE), Key Laboratory of Crop Genomics and Genetic Improvement (MOA), Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University)

  • Tatyana Savchenko

    (Institute of Basic Biological Problems, Pushchino Scientific Center for Biological Research RAS)

  • Ivo Feussner

    (Department of Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences and Goettingen Center for Molecular Biosciences (GZMB), University of Goettingen
    Goettingen Service Unit for Metabolomics and Lipidomics, Goettingen Center for Molecular Biosciences (GZMB), University of Goettingen)

  • Alain Goossens

    (Ghent University
    VIB Center for Plant Systems Biology)

  • Ive De Smet

    (Ghent University
    VIB Center for Plant Systems Biology)

Abstract

Plants respond to warm temperature by increased elongation growth of organs to enhance cooling capacity. Phytohormones, such as auxin and brassinosteroids, regulate this growth process. However, our view on the players involved in warm temperature-mediated growth remains fragmentary. Here, we show that warm temperature leads to an increased expression of JOXs and ST2A, genes controlling jasmonate catabolism. This leads to an elevated 12HSO4-JA level and consequently to a reduced level of bioactive jasmonates. Ultimately this results in more JAZ proteins, which facilitates plant growth under warm temperature conditions. Taken together, understanding the conserved role of jasmonate signalling during thermomorphogenesis contributes to ensuring food security under a changing climate.

Suggested Citation

  • Tingting Zhu & Cornelia Herrfurth & Mingming Xin & Tatyana Savchenko & Ivo Feussner & Alain Goossens & Ive De Smet, 2021. "Warm temperature triggers JOX and ST2A-mediated jasmonate catabolism to promote plant growth," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24883-2
    DOI: 10.1038/s41467-021-24883-2
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