139707 Zip -

: To investigate how the interaction between microRNA166 (miR166) and HD-ZIP III transcription factors affects the shape, color, and overall productivity of potato tubers. Key Findings :

: The miR166-HD-ZIP III regulatory module is a critical determinant of tuber shape. Disrupting this module leads to distorted tuber growth and changes in internal xylem structure. 139707 zip

This pathway is essential for the efficient movement of sugars to the stolons (the stems that become tubers), which is necessary for healthy tuber development. : To investigate how the interaction between microRNA166

The module regulates the expression of , which in turn binds to the promoters of sugar transporters like SWEET11 and SWEET12 . This pathway is essential for the efficient movement

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: The research identifies how this module influences the pigment (anthocyanin) accumulation in tubers, which affects their final color.

: Suppression of miR166 in stable transgenic lines results in significantly altered productivity, specifically impacting how many tubers a plant produces and their individual weight. Molecular Mechanism :