Abstract
The endoreduplication cell cycle is a variant of the standard mitotic cell cycle in which reiteratedrounds of DNA synthesis occur in the absence of chromosome segregation and cell division. The resultingpolyploid cells are frequently found in plants and often occur in tissues with a high metabolic activitythat accumulate storage molecules. In this chapter we review the current understanding of the regulatorymechanisms involved in the modification of the mitotic cell cycle, based on a generally accepted templatefor plant cell cycle control, that bring about endoreduplication, as well as the influence of phytohormonesand epigenetic factors. The regulation of endoreduplication is described in two model systems: the developingmaize endosperm and the leaf trichome of Arabidopsis. In addition, wediscuss the biological relevance and several proposed functions of this specialized cell cycle.
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Sabelli, P.A., Larkins, B.A. (2007). The Endoreduplication Cell Cycle: Regulation and Function. In: Verma, D.P.S., Hong, Z. (eds) Cell Division Control in Plants. Plant Cell Monographs, vol 9. Springer, Berlin, Heidelberg. https://doi.org/10.1007/7089_2007_123
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