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Published on: November 6, 2021
MdMYB41L mediates stamen development and anthocyanin biosynthesis in apple
Kuo Yang1, Ruihong Sun1, Yanfu Pan1
1College of Agriculture and Biology, Liaocheng University, Liaocheng, China.
Frontiers in Plant Science
|August 14, 2026
Summary
This study reveals that apple
Area of Science:
- Plant molecular biology
- Plant genetics
- Transcription factors
Background:
- MYB transcription factors are vital for plant growth and development.
- Understanding specific MYB proteins, like MdMYB41L from apple (Malus domestica), is key to deciphering regulatory networks.
Purpose of the Study:
- To characterize the function of the apple MYB transcription factor, MdMYB41L.
- To investigate its role in plant development and secondary metabolite biosynthesis.
Main Methods:
- Gene expression analysis in apple.
- Subcellular localization of MdMYB41L protein.
- Overexpression studies in Arabidopsis thaliana.
- Phenotypic analysis of transgenic plants.
- Artificial pollination and seed analysis.
- Analysis of anthocyanin biosynthesis gene expression.
Main Results:
- MdMYB41L is highly expressed in apple leaves and anthers and localizes to the nucleus.
- Overexpression in Arabidopsis led to shorter siliques, indehiscent anthers, reduced fertility, and larger seeds.
- MdMYB41L overexpression suppressed anthocyanin accumulation by downregulating related genes.
Conclusions:
- MdMYB41L plays a significant role in regulating stamen development in plants.
- MdMYB41L is involved in the regulation of anthocyanin biosynthesis.
- This research provides insights into the multifaceted functions of MYB transcription factors in plants.
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