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Phytohormone-Based Regulation of Trichome Development.
Jinxing Li1, Xingxing Wang1, Rui Jiang1
1Research and Development Center of Chinese Medicine Resources and Biotechnology, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Frontiers in Plant Science
|October 18, 2021
Summary
Phytohormones regulate plant trichome development, influencing UV protection and compound production. This review explores how these plant hormones interact with transcription factors and new technologies to advance our understanding of trichome cell lineages.
Area of Science:
- Plant Biology
- Molecular Biology
- Genetics
Background:
- Phytohormones are crucial for plant growth and development.
- Trichomes serve protective functions and produce valuable compounds.
- Transcription factors like HDZIP, bHLH, and MYB are key regulators of trichome development.
Purpose of the Study:
- To review recent advances in phytohormone-modulated trichome development.
- To highlight the roles of specific phytohormones, such as Jasmonic Acid (JA).
- To discuss the interplay between different phytohormones and their regulatory networks.
Main Methods:
- CRISPR-Cas9 gene editing for functional analysis.
- Single-cell transcriptomics for tracing cell lineages.
- Analysis of transcriptional complex formation.
Main Results:
- Phytohormones, including JA, mediate trichome initiation and growth.
- Interactions between phytohormones and transcription factors regulate trichome development.
- New technologies enable detailed investigation of trichome cell trajectories.
Conclusions:
- Phytohormones play a significant role in modulating plant trichome development.
- Understanding phytohormone crosstalk is essential for elucidating trichome regulatory networks.
- Future research should leverage advanced techniques to explore trichome cell lineages and gene function.
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