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Updated: May 28, 2025

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
Published on: July 22, 2017
Understanding brassinosteroid-centric phytohormone interactions for crop improvement
Wenchao Yin1,2, Nana Dong1,2, Xicheng Li1,2
1State Key Laboratory of Crop Gene Resources and Breeding/National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
Abstract:
Brassinosteroids (BRs) play a crucial role in regulating multiple biological processes in plants, particularly those related to crop productivity and stress tolerance. During their functioning, BRs engage in extensive and intricate interactions with other phytohormones, including auxin, cytokinins, gibberellins, abscisic acid, ethylene, jasmonates, salicylic acid, and strigolactones. These interactions facilitate the integration of internal and external signals, ultimately shaping the physiological status of the plant. In this review, we introduce BR metabolism and signaling and discuss their role in modulating agronomic traits that directly contribute to grain yield in rice (Oryza sativa), the model plant for crops. We also summarize recent advances in the crosstalk between BRs and other phytohormones in regulating agronomic traits in crops. Furthermore, we highlight significant research that provides insights into developing high-yielding and stress-resistant crop varieties from the perspective of hormone crosstalk. Understanding the genetic and molecular mechanisms through which BRs and other phytohormones collaboratively control agronomic traits offers new approaches for crop improvement.
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