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Updated: May 25, 2026

Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures
Published on: November 11, 2016
The interactions between the circadian clock and primary metabolism
1Michigan State University, Department of Plant Biology, East Lansing, MI 48824, USA. farre@msu.edu
The plant circadian clock regulates primary metabolism, impacting growth and survival. Metabolites also feedback to control the clock, revealing complex interactions.
Area of Science:
- Plant Biology
- Metabolic Regulation
- Circadian Rhythms
Background:
- Plant primary metabolism is influenced by environmental cues like light and nutrients.
- The circadian clock, an internal timekeeper, helps plants anticipate daily and seasonal changes.
- Circadian regulation is crucial for plant growth and survival.
Purpose of the Study:
- To review evidence of circadian clock regulation in plant primary metabolism.
- To discuss challenges in understanding the mechanisms of circadian metabolic oscillations.
- To present new findings on how metabolites regulate the circadian clock.
Main Methods:
- Literature review of transcriptomic and metabolomic studies.
- Analysis of existing data on circadian regulation of metabolic pathways.
- Synthesis of recent research on metabolite-to-clock feedback.
Main Results:
- Widespread circadian regulation affects numerous metabolic processes in plants.
- Complex mechanisms underlie circadian metabolic oscillations, posing research challenges.
- Metabolites actively influence and regulate the plant circadian clock.
Conclusions:
- The circadian clock plays a significant role in orchestrating plant primary metabolism.
- Understanding these regulatory networks is key to improving plant performance.
- Metabolite feedback provides a crucial link between metabolism and the circadian system.
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