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Updated: Jan 6, 2026

Lateral Root Inducible System in Arabidopsis and Maize
Published on: January 14, 2016
Lateral root formation involving cell division in both pericycle, cortex and endodermis is a common and ancestral
Ting Ting Xiao1, Robin van Velzen1, Olga Kulikova1
1Department of Plant Sciences, Laboratory of Molecular Biology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands.
Abstract:
Studies on the model plant Arabidopsis have led to the common view that lateral roots are exclusively formed from pericycle cells and that the latter are unique in their ability to be reprogrammed into stem cells. By analysing lateral root formation in an evolutionary context, we show that lateral root primordium formation in which cortex, endodermis and pericycle are mitotically activated, is a common and ancestral trait in seed plants, whereas the exclusive involvement of pericycle evolved in the Brassicaceae. Furthermore, the endodermis can also be reprogrammed into stem cells in some species.
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