J Integr Plant Biol. ›› 2024, Vol. 66 ›› Issue (3): 424-442.DOI: 10.1111/jipb.13570

• Cell and Developmental Biology • Previous Articles     Next Articles

Striking a growth–defense balance: Stress regulators that function in maize development

Shiyi Xie1,2, Hongbing Luo1, Wei Huang2, Weiwei Jin2,3 and Zhaobin Dong2*   

  1. 1. Maize Engineering and Technology Research Center of Hunan Province, College of Agronomy, Hunan Agricultural University, Changsha 410128, China;
    2. State Key Laboratory of Maize Bio-breeding, National Maize Improvement Center, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing 100193, China;
    3. Tianjin Key Laboratory of Intelligent Breeding of Major Crops, Fresh Corn Research Center of BTH, College of Agronomy & Resources and Environment, Tianjin Agricultural University, Tianjin 300384, China
    *Correspondence: Zhaobin Dong (zbdong@cau.edu.cn)
  • Received:2023-08-27 Accepted:2023-10-01 Online:2023-10-03 Published:2024-03-01

Abstract: Maize (Zea mays) cultivation is strongly affected by both abiotic and biotic stress, leading to reduced growth and productivity. It has recently become clear that regulators of plant stress responses, including the phytohormones abscisic acid (ABA), ethylene (ET), and jasmonic acid (JA), together with reactive oxygen species (ROS), shape plant growth and development. Beyond their well established functions in stress responses, these molecules play crucial roles in balancing growth and defense, which must be finely tuned to achieve high yields in crops while maintaining some level of defense. In this review, we provide an in-depth analysis of recent research on the developmental functions of stress regulators, focusing specifically on maize. By unraveling the contributions of these regulators to maize development, we present new avenues for enhancing maize cultivation and growth while highlighting the potential risks associated with manipulating stress regulators to enhance grain yields in the face of environmental challenges.

Key words: stress regulators, maize development, ABA, ET, JA, ROS

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