Spatial Decoupling of the Endodermal Functions Establishes the Innermost Cortex as the Gravity Sensor in Rice Stems
Gravitropism is a remarkable example of coordinated growth, enabling plants to perceive gravity and generate asymmetric cell expansion that restores organ orientation. In Arabidopsis, gravity sensing in shoots occurs within starch-rich endodermis cells. In rice, however, the stem must accommodate gravitropic bending while preserving integrity of tissues surrounding emerging crown roots, raising…
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