Leaf growth - complex regulation of a seemingly simple process
Michele Schneider1,2, Michiel Van Bel1,2, Dirk Inzé1,2
1Ghent University, Department of Plant Biotechnology and Bioinformatics, 9052, Ghent, Belgium.
The Plant Journal : for Cell and Molecular Biology
|November 28, 2023
Summary
This review details genetic networks controlling leaf cell proliferation, a key factor in plant leaf size. Understanding these regulators and their interactions is vital for targeted plant growth manipulation.
Area of Science:
- Plant Biology
- Developmental Biology
- Genetics
Background:
- Leaf growth is crucial for photosynthesis and plant survival.
- Precise temporal and spatial regulation governs leaf development.
- Understanding genetic networks is key to manipulating plant growth.
Purpose of the Study:
- To review genetic networks controlling leaf cell proliferation.
- To explore the roles of six key regulator families in Arabidopsis leaf growth.
- To discuss evolutionary conservation and interconnectedness of these pathways.
Main Methods:
- Literature review of genetic regulators of leaf growth.
- Analysis of six major regulator families in Arabidopsis: DA1, PEAPODs, KLU, GRFs, SWI/SNF complexes, and DELLAs.
- Examination of evolutionary conservation and pathway interactions.
Main Results:
- Overview of six regulator families and their associated genetic networks.
- Discussion on the evolutionary conservation and divergence of these regulators across species.
- Highlighting the interconnectedness of genetic pathways converging on cell cycle machinery.
Conclusions:
- Knowledge of these genetic networks aids in understanding and manipulating plant leaf development.
- Interconnectedness of pathways and environmental cues influences final leaf size.
- Further research is needed to overcome challenges in cross-species knowledge transfer.
Keywords:
Arabidopsis thalianaDA1DELLAGRFKLUPEAPODSWI/SNFcell divisionevolutionary conservationleaf growthMore Related Videos
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