Weill Institute for Cell and Molecular Biology and Plant Biology Department, Cornell University, 239 Weill Hall, Ithaca, NY 14853 USA.
Curr Opin Plant Biol. 2012 Dec;15(6):638-44. doi: 10.1016/j.pbi.2012.08.002. Epub 2012 Aug 28.
Computational modeling of growing plant tissues raises two basic questions about plant cell division: when does a cell decide to divide and where is the new wall placed? Although biologists and modelers commonly assume that a cell divides after it reaches a threshold size, two recent experiments show that models with variable division sizes better replicate the tissue. Similarly, comparing model predictions with living plant cells reveals that the choice of division plane is variable, although the shortest path dividing a cell in half (i.e. the minimal surface area) is the most probable division plane.
细胞何时决定分裂以及新细胞壁放置在哪里？尽管生物学家和建模者通常假设细胞在达到阈值大小后才会分裂，但最近的两项实验表明，具有可变分裂大小的模型可以更好地复制组织。同样，将模型预测与活植物细胞进行比较表明，分裂平面的选择是可变的，尽管将细胞一分为二的最短路径（即最小表面积）是最可能的分裂平面。
