J Integr Plant Biol. ›› 2025, Vol. 67 ›› Issue (3): 440-454.DOI: 10.1111/jipb.13880

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Survival mechanisms of plants under hypoxic stress: Physiological acclimation and molecular regulation

Lin‐Na Wang1†, Wei‐Cheng Wang2†, Ke Liao1, Ling‐Jing Xu1, Dao‐Xin Xie2*, Ruo‐Han Xie3* and Shi Xiao3*   

  1. 1. State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Stress Biology, School of Life Sciences, Sun Yat‐sen University, Guangzhou 510275, China
    2. MOE Laboratory of Bioinformatics, Tsinghua‐Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
    3. School of Agriculture and Biotechnology, Shenzhen Campus of Sun Yat‐sen University, Shenzhen 518017, China

    These authors contributed equally to this work.
    *Correspondences: Ruo‐Han Xie (xierh25@mail.sysu.edu.cn); Dao‐Xin Xie (daoxinlab@mail.tsinghua.edu.cn); Shi Xiao (xiaoshi3@mail.sysu.edu.cn, Dr. Xiao is fully responsible for the distribution of all materials associated with this article)
  • Received:2024-12-10 Accepted:2025-02-09 Online:2025-03-07 Published:2025-03-01
  • Supported by:
    This work was supported by the Shenzhen Science and Technology Program (Project JCYJ20241202130044053), the National Key R&D Program of China (Project 2024YFD1200800), the National Natural Science Foundation of China (Projects 32321163646, U22A20458, and 32202468), and the Natural Science Foundation of Guangdong Province (Project 2023A1515012038).

Abstract: Hypoxia (low-oxygen tension) caused by complete submergence or waterlogging is an abiotic stress factor that severely affects the yield and distribution of plants. To adapt to and survive under hypoxic conditions, plants employ several physiological and molecular strategies that integrate morphological acclimation, metabolic shifts, and signaling networks. Group VII ETHYLENE RESPONSE FACTORS (ERF-VIIs), master transcription factors, have emerged as a molecular hub for regulating plant hypoxia sensing and signaling. Several mitogen-activated protein kinases and calcium-dependent protein kinases have recently been reported to be involved in potentiating hypoxia signaling via interaction with and phosphorylation of ERF-VIIs. Here, we provide an overview of the current knowledge on the regulatory network of ERF-VIIs and their post-translational regulation in determining plant responses to hypoxia and reoxygenation, with a primary focus on recent advancements in understanding how signaling molecules, including ethylene, long-chain acyl-CoA, phosphatidic acid, and nitric oxide, are involved in the regulation of ERV-VII activities. Furthermore, we propose future directions for investigating the intricate crosstalk between plant growth and hypoxic resilience, which is central to guiding breeding and agricultural management strategies for promoting flooding and submergence stress tolerance in plants.

Key words: ERF‐VIIs, hypoxia, protein kinases, reoxygenation, submergence

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