Abstract:The root cap surrounds the root tip and promotes root growth by protecting the root apical meristem, influencing root branching, and sensing environmental signals like nitrate. The root cap maintains a constant size through the coordination of cell production in the root meristem with cell release at the tip of the root, a process that requires an auxin minima in the last layer of the root cap. To perform its functions, the root cap must maintain a constant size and synchronize external cues with development, … Show more
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