Coordination of plant cell growth and division: collective control or mutual agreement?
Coordination of plant cell growth and division: collective control or mutual agreement?
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DOI：
10.1016/j.pbi.2016.09.004
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发表时间：
2016-12
影响因子：
9.5
通讯作者：
R. Sablowski
中科院分区：
文献类型：
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作者：
R. Sablowski
细胞生长和细胞周期之间的耦合受发育调控。生长素与细胞膨胀和液泡生长的控制之间出现了新的联系。细胞边缘定向分泌是细胞定向生长的一种新机制。植物组织生长需要细胞质生长、细胞壁延伸和细胞分裂等相互依赖的细胞过程，但人们对这些过程之间的反馈知之甚少。最近的论文揭示了植物细胞生长和进展之间的发育调节耦合通过有丝分裂周期和内环。建模使我们深入了解细胞几何形状和组织力学对细胞分裂方向的影响。生长素的发育输入在细胞膨胀、液泡功能和微管动力学的控制中被强调，微管动力学是定向生长和分裂的基础。总的来说，最近的工作强调生长和增殖是细胞内部和细胞之间的协商过程，而不是跨组织施加给细胞的过程。
HighlightsCoupling between cell growth and cell cycle is developmentally regulated.Novel links emerged between auxin and the control of cell turgor and vacuole growth.Targeted secretion to cell edges is a novel mechanism for oriented cell growth.Plant tissue growth requires the interdependent cellular processes of cytoplasmic growth, cell wall extension and cell division, but the feedbacks that link these processes are poorly understood. Recent papers have revealed developmentally regulated coupling between plant cell growth and progression through both mitotic cycles and endocycles. Modeling has given insight into the effects of cell geometry and tissue mechanics on the orientation of cell divisions. Developmental inputs by auxin have been highlighted in the control of cell turgor, vacuole function and the microtubule dynamics that underlies oriented growth and division. Overall, recent work emphasizes growth and proliferation as processes that are negotiated within and between cells, rather than imposed on cells across tissues.