J Integr Plant Biol. ›› 2025, Vol. 67 ›› Issue (3): 488-509.DOI: 10.1111/jipb.13828

• Review Articles • Previous Articles     Next Articles

WRKY transcription factors: Hubs for regulating plant growth and stress responses

Lu Yang1,2†, Siyu Fang1,2†, Lei Liu1†, Lirong Zhao1, Wanqin Chen1,2, Xia Li1,3, Zhiyu Xu1,2, Shidie Chen1,3, Houping Wang1,2* and Diqiu Yu1,3*   

  1. 1. State Key Laboratory for Conservation and Utilization of Bio‐resources in Yunnan, School of Life Sciences, Yunnan University, Kunming 650500, China
    2. School of Ecology and Environmental Science, Yunnan University, Kunming 650500, China
    3. Southwest United Graduate School, Kunming 650092, China

    These authors contributed equally to this article.
    *Correspondences: Diqiu Yu (ydq@ynu.edu.cn); Houping Wang (hpwang234@163.com, Dr. Wang is fully responsible for the distributions of all materials associated with this article)
  • Received:2024-07-19 Accepted:2024-11-21 Online:2025-01-16 Published:2025-03-01
  • Supported by:
    This work was supported by the Natural Science Foundation of China (32270356, 32160080, 32070545, and 32372030), the Yunnan Applied Basic Research Projects (202401BC070005, 202201AV070002, 202301AT070111, and 202201BF070001‐019), the Yunnan High Level Talents Special Support Plan (YNWRQNBJ2020288).

Abstract: As sessile organisms, plants must directly face various stressors. Therefore, plants have evolved a powerful stress resistance system and can adjust their growth and development strategies appropriately in different stressful environments to adapt to complex and ever-changing conditions. Nevertheless, prioritizing defensive responses can hinder growth; this is a crucial factor for plant survival but is detrimental to crop production. As such, comprehending the impact of adverse environments on plant growth is not only a fundamental scientific inquiry but also imperative for the agricultural industry and for food security. The traditional view that plant growth is hindered during defense due to resource allocation trade-offs is challenged by evidence that plants exhibit both robust growth and defensive capabilities through human intervention. These findings suggest that the growth‒defense trade-off is not only dictated by resource limitations but also influenced by intricate transcriptional regulatory mechanisms. Hence, it is imperative to conduct thorough investigations on the central genes that govern plant resistance and growth in unfavorable environments. Recent studies have consistently highlighted the importance of WRKY transcription factors in orchestrating stress responses and plant-specific growth and development, underscoring the pivotal role of WRKYs in modulating plant growth under stressful conditions. Here, we review recent advances in understanding the dual roles of WRKYs in the regulation of plant stress resistance and growth across diverse stress environments. This information will be crucial for elucidating the intricate interplay between plant stress response and growth and may aid in identifying gene loci that could be utilized in future breeding programs to develop crops with enhanced stress resistance and productivity.

Key words: growth, growth-defense trade‐off, stress response, transcription factor, WRKY

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