Plant hormone regulation of abiotic stress responses

Rainer Waadt, Charles A. Seller, Po Kai Hsu, Yohei Takahashi, Shintaro Munemasa, Julian I. Schroeder

Research output: Contribution to journalReview articlepeer-review

19 Citations (Scopus)

Abstract

Plant hormones are signalling compounds that regulate crucial aspects of growth, development and environmental stress responses. Abiotic stresses, such as drought, salinity, heat, cold and flooding, have profound effects on plant growth and survival. Adaptation and tolerance to such stresses require sophisticated sensing, signalling and stress response mechanisms. In this Review, we discuss recent advances in understanding how diverse plant hormones control abiotic stress responses in plants and highlight points of hormonal crosstalk during abiotic stress signalling. Control mechanisms and stress responses mediated by plant hormones including abscisic acid, auxin, brassinosteroids, cytokinins, ethylene and gibberellins are discussed. We discuss new insights into osmotic stress sensing and signalling mechanisms, hormonal control of gene regulation and plant development during stress, hormone-regulated submergence tolerance and stomatal movements. We further explore how innovative imaging approaches are providing insights into single-cell and tissue hormone dynamics. Understanding stress tolerance mechanisms opens new opportunities for agricultural applications.

Original languageEnglish
JournalNature Reviews Molecular Cell Biology
DOIs
Publication statusAccepted/In press - 2022

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

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