Identifying the transition to the maturation zone in three ecotypes of Arabidopsis thaliana roots

Communicative & Integrative Biology
Wendy Cajero SánchezAdriana Garay-Arroyo

Abstract

The Arabidopsis thaliana (hereafter Arabidopsis) root has become a useful model for studying how organ morphogenesis emerge from the coordination and balance of cell proliferation and differentiation, as both processes may be observed and quantified in the root at different stages of development. Hence, being able to objectively identify and delimit the different stages of root development has been very important. Up to now, three different zones along the longitudinal axis of the primary root of Arabidopsis, have been identified: the root apical meristematic zone (RAM) with two domains [the proliferative (PD) and the transition domain (TD)], the elongation zone (EZ) and the maturation zone (MZ). We previously reported a method to quantify the length of the cells of the meristematic and the elongation zone, as well as the boundaries or transitions between the root domains along the growing part of the Arabidopsis root. In this study, we provide a more accurate criterion to identify the MZ. Traditionally, the transition between the EZ to the MZ has been established by the emergence of the first root-hair bulge in the epidermis, because this emergence coincides with cell maturation in this cell type. But we have found here that a...Continue Reading

References

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Jul 1, 2016·Annals of Botany·Mario A Pacheco-EscobedoAdriana Garay-Arroyo

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Citations

Feb 18, 2020·Journal of Experimental Botany·Elena SalviSabrina Sabatini
May 28, 2019·Plant Signaling & Behavior·Nelson LaurentPatricia Gerbeau-Pissot
Nov 2, 2019·Journal of Proteomics·Shaolan YangTheodore W Thannhauser
May 14, 2021·Frontiers in Plant Science·Estephania Zluhan-MartínezAdriana Garay-Arroyo

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