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Updated: Jan 13, 2026

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Live Cell Imaging of Microtubule Cytoskeleton and Micromechanical Manipulation of the Arabidopsis Shoot Apical Meristem
Published on: May 23, 2020
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Control of Meristem Size
Munenori Kitagawa1, David Jackson1
1Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA;
Annual Review of Plant Biology
|May 1, 2019
Summary
Plants continuously grow new organs using meristems, which are groups of stem cells. Understanding the genetic control of meristems aids in enhancing crop yields by improving fruit and seed production.
Area of Science:
- Plant biology
- Developmental biology
- Genetics
Background:
- Plants possess unique meristems, specialized stem cell populations enabling continuous organogenesis throughout their life cycle.
- Meristems are crucial for the development of essential plant structures, including shoots, roots, and vascular systems.
Purpose of the Study:
- To review the intricate genetic networks governing plant meristem initiation and stem cell maintenance.
- To explore the application of this knowledge in improving crop productivity.
Main Methods:
- Review of existing literature on plant meristem genetics.
- Analysis of genetic networks involving receptors, ligands, transcription factors, hormones, and chromatin.
- Discussion of applied research in crop improvement.
Main Results:
- Comprehensive understanding of genetic mechanisms controlling meristem function.
- Identification of key molecular players such as receptors, ligands, and transcription factors.
- Elucidation of hormonal and chromatin regulation in stem cell maintenance.
Conclusions:
- Knowledge of meristem genetics provides a foundation for enhancing plant development.
- Applications in agriculture focus on increasing fruit size and seed number for improved crop yields.
- Continued research into meristem regulation holds significant potential for agricultural innovation.
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