Abstract
Key message
The intersection of phytohormone signalling pathways with SUMOylation, a key post-translational modification, offers an additional layer of control to the phytohormone signalling for sophisticated regulation of plant development.
Abstract
Plants live in a constantly changing environment that are often challenging for the growth and development of plants. Phytohormones play a critical role in modulating molecular-level changes for enabling plants to resist climatic aberrations. The orchestration of such effective molecular responses entails rapid regulation of phytohormone signalling at transcriptional, translational and post-translational levels. Post-translational modifications have emerged as a key player in modulating hormonal pathways. The current review lays emphasis on the role of SUMOylation, a key post-translational modification, in manipulating individual hormone signalling pathways for better plant adaptability. Here, we discuss the recent advancement in the field and highlights how SUMO targets key signalling intermediates including transcription factors to provide a quick response to different biotic or abiotic stresses, sometimes even prior to changes in hormone levels. The understanding of the convergence of SUMOylation and hormonal pathways will offer an additional layer of control to the phytohormone signalling for an intricate and sophisticated regulation of plant development and can be utilised as a tool to generate climate-resilient crops.
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This review is partly supported by the DBT-Ramalingaswami Re-entry Fellowship grants received by VV and AS.
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MS, VV and AKS conceptualized and wrote the manuscript. All the authors edited and approved the manuscript.
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Communicated by Aryadeep Roychoudhury.
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Srivastava, M., Verma, V. & Srivastava, A.K. The converging path of protein SUMOylation in phytohormone signalling: highlights and new frontiers. Plant Cell Rep 40, 2047–2061 (2021). https://doi.org/10.1007/s00299-021-02732-2
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DOI: https://doi.org/10.1007/s00299-021-02732-2