期刊
CURRENT OPINION IN PLANT BIOLOGY
卷 51, 期 -, 页码 58-65出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2019.04.003
关键词
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资金
- Research Foundation Flanders [G.023616N]
- University of Nottingham Future Food Beacon of Excellence Nottingham Research
Endoreplication represents a variant of the mitotic cell cycle during which cells replicate their DNA without mitosis and/or cytokinesis, resulting in an increase in the cells' ploidy level. This process is especially prominent in higher plants, where it has been correlated with cell differentiation, metabolic output and rapid cell growth. However, different reports argue against a ploidy-dependent contribution to cell growth. Here, we review accumulating data suggesting that endocycle onset might exert an effect on cell growth through transcriptional control of cell wall-modifying genes to drive cell wall changes required to accommodate turgor-driven rapid cell expansion, consistent with the idea that vacuolar expansion rather than a ploidy-driven increase in cellular volume represents the major force driving cell growth.
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