Simonini Sara
Department of Plant and Microbial Biology, University of Zurich, Zollikerstrasse 107, CH8008, Zurich, Switzerland.
Development. 2025 Jan 15;152(2). doi: 10.1242/dev.204217. Epub 2025 Jan 20.
Cell division is a fundamental process shared across diverse life forms, from yeast to humans and plants. Multicellular organisms reproduce through the formation of specialized types of cells, the gametes, which at maturity enter a quiescent state that can last decades. At the point of fertilization, signalling lifts the quiescent state and triggers cell cycle reactivation. Studying how the cell cycle is regulated during plant gamete development and fertilization is challenging, and decades of research have provided valuable, yet sometimes contradictory, insights. This Review summarizes the current understanding of plant cell cycle regulation, gamete development, quiescence, and fertilization-triggered reactivation.
细胞分裂是从酵母到人类和植物等各种生命形式共有的基本过程。多细胞生物通过形成特殊类型的细胞——配子进行繁殖，配子成熟后进入一种可以持续数十年的静止状态。在受精时，信号传导解除静止状态并触发细胞周期重新激活。研究植物配子发育和受精过程中细胞周期如何调控具有挑战性，数十年的研究提供了有价值但有时相互矛盾的见解。本综述总结了目前对植物细胞周期调控、配子发育、静止状态以及受精触发的重新激活的理解。
