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Brassinosteroid signaling network: implications on yield and stress tolerance
Jingjie Hao1, Yanhai Yin, Shui-zhang Fei
1Iowa State University, Ames, IA, 50011, USA.
Plant Cell Reports
|April 10, 2013
Summary
Brassinosteroids (BRs) are key plant hormones regulating growth and development. This review updates BR signaling, its interactions with other hormones, and roles in plant yield and stress responses.
Area of Science:
- Plant Biology
- Molecular Biology
- Hormone Signaling
Background:
- Brassinosteroids (BRs) are essential steroidal hormones crucial for plant growth and development.
- Extensive genetic, genomic, and proteomic studies in Arabidopsis have identified key BR signaling components.
- The signal transduction pathway involves the BRI1 receptor kinase and BES1/BZR1 transcription factors.
Purpose of the Study:
- To provide an updated overview of the brassinosteroid (BR) signaling network.
- To discuss the intricate interactions between BRs and other plant hormone pathways.
- To highlight the role of BR signaling in determining yield component traits and regulating stress responses.
Main Methods:
- Literature review of genetic, genomic, and proteomic studies.
- Analysis of signal transduction pathways.
- Integration of findings on hormone interactions.
Main Results:
- Major BR signaling components and the core signal transduction pathway have been elucidated.
- BRs interact with other plant hormones to coordinate gene expression and developmental processes.
- BR signaling influences yield components and stress tolerance.
Conclusions:
- The BR signaling network is complex and interconnected with other hormonal pathways.
- Understanding BR signaling is critical for improving crop yield and stress resilience.
- Further research into BR interactions will yield significant insights into plant development.
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