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September 24, 2025PLANT PHYSIOLOGY

A module involving the cyclin-dependent kinase OsCDKF3 regulates grain size in rice

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Authors

SLShengping LiShanghai Ocean UniversityLLLing LuTongji UniversityXWXun WangMoscow Institute of Thermal Technology

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Implication

Analysis reveals that OsCDKF3, OsMPK6, and OsSCL7 are critical for grain size regulation.

Key Points

  • Knocking out OsCDKF3 reduced grain size and thousand grain weight, impacting yield.
  • Phosphorylation at Tyr22 of OsCDKF3 stabilizes its function in regulating grain size.
  • OsMPK6 enhances OsCDKF3 activity while OsSCL7 negatively regulates it, influencing overall grain size.
  • The OsMPK6-OsSCL7-OsCDKF3 module reveals complex interactions vital for grain development.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/68d6e1248b2b6861e4c3f9cehttps://doi.org/10.1093/plphys/kiaf418
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Also Consider

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