Cell division in plants.

The past couple of years have seen the isolation and characterization of many of the regulatory genes from plants that are thought to be intimately involved in regulation of the cell division cycle. In addition, characterization of plant-specific aspects of the cell division cycle has provided insight into how spatial and temporal controls may be linked. The comparative lack of cell mobility means that plant organs are historic records of the cell cycles that occurred during their evolution. Differentiated cells retain a capacity for re-entry into the cell cycle, which is probably an adaptation to compensate for the damage that they must tolerate because of a sedentary lifestyle. Understanding how plants cope with such damage and manage to generate such an array of diverse multicellular structures will require a basic comprehension of cell division.