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SPL13 controls tomato lateral branch outgrowth by regulating brassinosteroid biosynthesis and signal transduction

Long Cui1,2, Fangyan Zheng1,2, Lesong Jia1

  • 1Ganzhou Key Laboratory of Greenhouse Vegetables, College of Life Sciences, Gannan Normal University, Ganzhou, Jiangxi 341000, China.

Horticulture Research
|April 22, 2026
PubMed
Summary

The miR156a-targeted transcription factor SlSPL13 regulates tomato plant architecture by controlling lateral branching. It activates BRANCHED1b and inhibits DWARF, impacting brassinosteroid levels and growth.

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