Zhao Boqing, Liu Qingyun, Wang Baoshan, Yuan Fang
Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong 250014, P. R. China.
J Agric Food Chem. 2021 Mar 31;69(12):3566-3584. doi: 10.1021/acs.jafc.0c07908. Epub 2021 Mar 19.
Phytohormones participate in various processes over the course of a plant's lifecycle. In addition to the five classical phytohormones (auxins, cytokinins, gibberellins, abscisic acid, and ethylene), phytohormones such as brassinosteroids, jasmonic acid, salicylic acid, strigolactones, and peptides also play important roles in plant growth and stress responses. Given the highly interconnected nature of phytohormones during plant development and stress responses, it is challenging to study the biological function of a single phytohormone in isolation. In the current Review, we describe the combined functions and signaling cascades (especially the shared points and pathways) of various phytohormones in leaf development, in particular, during leaf primordium initiation and the establishment of leaf polarity and leaf morphology as well as leaf development under various stress conditions. We propose a model incorporating the roles of multiple phytohormones in leaf development and stress responses to illustrate the underlying combinatorial signaling pathways. This model provides a reference for breeding stress-resistant crops.
植物激素在植物生命周期中参与各种过程。除了五种经典植物激素（生长素、细胞分裂素、赤霉素、脱落酸和乙烯）外，油菜素甾醇、茉莉酸、水杨酸、独脚金内酯和肽等植物激素在植物生长和应激反应中也发挥着重要作用。鉴于植物激素在植物发育和应激反应过程中具有高度相互关联的性质，单独研究单一植物激素的生物学功能具有挑战性。在本综述中，我们描述了各种植物激素在叶片发育中的联合功能和信号级联（特别是共享点和途径），尤其是在叶原基起始、叶片极性和叶片形态的建立以及各种胁迫条件下的叶片发育过程中。我们提出了一个包含多种植物激素在叶片发育和应激反应中作用的模型，以说明潜在的组合信号通路。该模型为培育抗逆作物提供了参考。
