Related Experiment Video
Updated: May 21, 2026
13:22
A Chemical Screening Procedure for Glucocorticoid Signaling with a Zebrafish Larva Luciferase Reporter System
Published on: September 10, 2013
Benefits of brassinosteroid crosstalk
Sikander Pal Choudhary1, Jing-Quan Yu, Kazuko Yamaguchi-Shinozaki
1Department of Horticulture, Zhejiang University, Hangzhou 310058, China.
Trends in Plant Science
|June 29, 2012
Summary
Brassinosteroids (BRs), plant hormones, interact with other hormone pathways at the transcriptional level. Understanding this crosstalk is key for improving crop productivity through biotechnological strategies.
Area of Science:
- Plant Biology
- Hormone Signaling
- Molecular Biology
Background:
- Brassinosteroids (BRs) are crucial plant hormones regulating diverse biological processes.
- Interactions between BRs and other plant hormones (phytohormones) orchestrate plant physiology and development.
- Crosstalk between hormone signaling pathways is fundamental to plant growth and adaptation.
Purpose of the Study:
- To review recent findings on the interactions between BR signaling and other hormone signaling pathways.
- To elucidate the mechanisms of BR-regulated activities, both independently and in conjunction with other hormones.
- To highlight the potential of modulating BRs and their interplay with other plant growth regulators (PGRs) for crop improvement.
Main Methods:
- Literature review of recent research on brassinosteroid signaling.
- Analysis of transcriptional regulation in hormone crosstalk.
- Examination of biotechnological strategies for modulating plant hormone content.
Main Results:
- BR signaling components primarily interact with other hormone signaling elements at the transcriptional level.
- Evidence suggests complex crosstalk mechanisms governing BR-regulated plant activities.
- Modulation of BRs and their interaction with other PGRs offers potential for enhancing crop productivity.
Conclusions:
- Understanding the transcriptional interplay of BRs with other phytohormones is critical.
- Biotechnological approaches targeting BR signaling crosstalk can lead to sustainable crop improvement.
- Harnessing hormone interactions presents a promising avenue for increasing agricultural output.
Related Concept Videos
01:25Cell Signaling in Plants
Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
01:20The JAK-STAT Signaling Pathway
Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as SH2...
01:16TGF - β Signaling Pathway
The TGF-β signaling pathway regulates cell growth, differentiation, adhesion, motility, and development. TGF-β ligands that induce TGF-β signaling are synthesized in their latent form. Several proteases or cell surface receptors such as integrins act upon the latent form, releasing the active ligand. There are three types of mammalian TGF-βs: (TGF-β1, TGF-β2, and TGF-β3) that bind as homodimers or heterodimers to TGF-β receptors. The TGF-β receptors are of three kinds RI, RII, and RIII. The RI...
01:22Target Cell Response to Hormones
Hormones intricately bind to receptors on the surface or within target cells, initiating a cascade of cellular responses.
Notably, the cellular response can be regulated by altering the number of receptors expressed in the cell. For example, prolonged exposure to elevated hormone levels results in a gradual decline or down-regulation in the number of receptors for that specific hormone on the cell surface. Conversely, in response to low hormone levels, cells may use up-regulation, producing an...
Notably, the cellular response can be regulated by altering the number of receptors expressed in the cell. For example, prolonged exposure to elevated hormone levels results in a gradual decline or down-regulation in the number of receptors for that specific hormone on the cell surface. Conversely, in response to low hormone levels, cells may use up-regulation, producing an...
01:59Plant Breeding and Biotechnology
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
01:56Plant Hormones
Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.