Rapid tip growth: insights from pollen tubes.

Yuan Qin1, Zhenbiao Yang

  • 1Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China.

Summary

Pollen tube growth relies on ROP GTPase, a key signaling molecule, which is periodically activated at the cell tip. This spatiotemporal control is crucial for cell growth and involves actin dynamics and exocytosis.

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