What the study found
GSK3 (glycogen synthase kinase 3), a negative regulator of brassinosteroid signaling, phosphorylates and stabilizes DOG1L4, a seed dormancy protein, and DOG1L4 activates ABI5 to enhance seed dormancy.
Why the authors say this matters
The authors conclude that this dual-target mechanism suggests a strategy for controlling seed dormancy and germination in crops.
What the researchers tested
The abstract describes the relationship between GSK3, DOG1L4, and ABI5 in wheat seed dormancy and pre-harvest sprouting resistance.
What worked and what didn't
According to the abstract, GSK3 phosphorylated and stabilized DOG1L4, and GSK3 also phosphorylated ABI5. DOG1L4 in turn activated ABI5 to enhance seed dormancy.
What to keep in mind
The available summary does not describe experimental details, comparisons, or limitations beyond the stated mechanism.
Key points
- GSK3 phosphorylates and stabilizes DOG1L4.
- DOG1L4 activates ABI5 to enhance seed dormancy.
- GSK3 also phosphorylates ABI5.
- The authors say this dual-target mechanism may help control seed dormancy and germination in crops.
Disclosure
- Research title:
- GSK3 stabilizes DOG1L4 to increase wheat seed dormancy
- Authors:
- Huixue Dong, Danning Yang, Yu He, Qian Chen, Xiaojiang Guo, Mengping Cheng, M. Li, Zhongwei Yuan, Jirui Wang
- Institutions:
- Sichuan Agricultural University
- Publication date:
- 2026-03-15
- OpenAlex record:
- View
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