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Updated: Jun 29, 2025
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Measuring Cell Cycle Progression Kinetics with Metabolic Labeling and Flow Cytometry
Published on: May 22, 2012
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Sugar signals pedal the cell cycle!
Sanjay Singh Rawat1, Ashverya Laxmi1
1National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, India.
Frontiers in Plant Science
|April 2, 2024
Summary
Sugars regulate plant cell cycle progression through intricate signalling pathways. This review explores how sugar and TOR-SnRK1 signalling control cell division for proper growth and development.
Area of Science:
- Plant biology
- Cellular processes
- Molecular signalling
Background:
- Cell cycle progression is crucial for cell division and organismal growth.
- Multicellular eukaryotes integrate external signals to control cell cycle.
- Sugars act as critical signalling molecules in plants, influencing growth and development.
Purpose of the Study:
- To review the intricate mechanisms of sugar signalling in plant cell cycle control.
- To elucidate the roles of sugar and TOR-SnRK1 pathways in regulating cell cycle events.
- To connect sugar perception to downstream factors facilitating developmental transitions.
Main Methods:
- Literature review of existing research on sugar signalling and cell cycle control in plants.
- Analysis of the interplay between sugar sensing pathways and key cell cycle regulators.
- Integration of information on the Target of Rapamycin (TOR) and Sucrose non-fermenting 1-Related Kinase 1 (SnRK1) signalling networks.
Main Results:
- Sugars are perceived and signal through complex pathways to influence cell cycle progression.
- The TOR and SnRK1 signalling pathways are central mediators of sugar effects on the cell cycle.
- These pathways coordinate cell growth and proliferation in response to sugar availability.
Conclusions:
- Sugar signalling is a key determinant of cell cycle progression in plants.
- Understanding TOR-SnRK1 pathways is essential for deciphering sugar-mediated cell cycle control.
- This regulatory network ensures proper plant growth and development by linking nutrient status to cell division.
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