The quiescent center and the stem cell niche in the adventitious roots of Arabidopsis thaliana
| Autor: | Giuseppina Falasca, Marilena Ronzan, Laura Fattorini, Federica Della Rovere, Maria Maddalena Altamura |
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| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
0301 basic medicine Arabidopsis thaliana Meristem Arabidopsis Plant Science adventitious roots Models Biological Plant Roots 01 natural sciences 03 medical and health sciences chemistry.chemical_compound trans-zeatin riboside Auxin root apical stem cell niche short root Botany YUCCA6 Stem Cell Niche chemistry.chemical_classification biology Stem Cells fungi food and beverages auxin-influx carriers Mini-Review auxin influx carriers biology.organism_classification Pericycle 030104 developmental biology chemistry Cytokinin thin cell layers scarecrow Endodermis Stem cell auxin 010606 plant biology & botany |
| Zdroj: | Plant Signaling & Behavior |
| ISSN: | 1559-2324 |
| DOI: | 10.1080/15592324.2016.1176660 |
| Popis: | Adventitious rooting is essential for the survival of numerous species from vascular cryptogams to monocots, and is required for successful micropropagation. The tissues involved in AR initiation may differ in planta and in in vitro systems. For example, in Arabidopsis thaliana, ARs originate from the hypocotyl pericycle in planta and the stem endodermis in in vitro cultured thin cell layers. The formation of adventitious roots (ARs) depends on numerous factors, among which the hormones, auxin, in particular. In both primary and lateral roots, growth depends on a functional stem cell niche in the apex, maintained by an active quiescent center (QC), and involving the expression of genes controlled by auxin and cytokinin. This review summarizes current knowledge about auxin and cytokinin control on genes involved in the definition and maintenance of QC, and stem cell niche, in the apex of Arabidopsis ARs in planta and in longitudinal thin cell layers. |
| Databáze: | OpenAIRE |
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