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Updated: Nov 9, 2025
08:09
Annotation of Plant Gene Function via Combined Genomics, Metabolomics and Informatics
Published on: June 17, 2012
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Repressors of anthocyanin biosynthesis
Amy M LaFountain1, Yao-Wu Yuan1
1Department of Ecology and Evolutionary Biology, University of Connecticut, 75 North Eagleville Road, Storrs, CT, 06269-3043, USA.
The New Phytologist
|April 17, 2021
Summary
Plants use sophisticated
Area of Science:
- Plant biology
- Molecular genetics
- Biochemistry
Background:
- Anthocyanins are plant pigments with diverse adaptive roles.
- Their biosynthesis is regulated by MYB-bHLH-WDR (MBW) complexes.
- Anthocyanin repression involves various repressors responding to different cues.
Purpose of the Study:
- To review recent advances in identifying anthocyanin repressors.
- To characterize the molecular mechanisms of anthocyanin repression.
- To explore the evolutionary advantages of repression strategies.
Main Methods:
- Literature review of studies on anthocyanin biosynthesis regulation.
- Analysis of molecular mechanisms of identified anthocyanin repressors.
- Comparative analysis of different regulatory strategies.
Main Results:
- Anthocyanin repression utilizes diverse protein and small RNA families.
- These repressors commonly employ a 'double-negative logic'.
- Regulation often involves signal-induced degradation or sequestration of repressors.
Conclusions:
- The 'double-negative logic' is a conserved mechanism for anthocyanin repression.
- This regulatory strategy offers functional and evolutionary advantages.
- The evolution of numerous anthocyanin repressors is explained by these advantages.
Keywords:
anthocyanin biosynthesisdevelopmental cuesdouble-negative logicenvironmental responsehormonesrepressorMore Related Videos
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