Active Control of Cell Size Generates Spatial Detail during Plant Organogenesis.

ABSTRACT: How cells regulate their dimensions is a long-standing question. In fission and budding yeast, cell-cycle progression depends on cell size, although it is still unclear how size is assessed. In animals, it has been suggested that cell size is modulated primarily by the balance of external signals controlling growth and the cell cycle, although there is evidence of cell-autonomous control in cell cultures. Regardless of whether regulation is external or cell autonomous, the role of cell-size control in the development of multicellular organisms remains unclear. Plants are a convenient system to study this question: the shoot meristem, which continuously provides new cells to form new organs, maintains a population of actively dividing and characteristically small cells for extended periods.

SUBMITTER: Serrano-Mislata A 

PROVIDER: S-EPMC4651904 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature