Function and regulation of transcription factors involved in root apical meristem and stem cell maintenance

Plant roots are essential for overall plant development, growth and performance by providing anchorage in the soil and uptake of nutrients and water. The primary root of higher plants derives from a group of pluripotent, mitotically active stem cells residing in the root apical meristem (RAM) which...

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Main Authors: Rebecca Corinna Drisch, Yvonne eStahl
Format: Article
Language:English
Published: Frontiers Media S.A. 2015-07-01
Series:Frontiers in Plant Science
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fpls.2015.00505/full
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author Rebecca Corinna Drisch
Yvonne eStahl
author_facet Rebecca Corinna Drisch
Yvonne eStahl
author_sort Rebecca Corinna Drisch
collection DOAJ
description Plant roots are essential for overall plant development, growth and performance by providing anchorage in the soil and uptake of nutrients and water. The primary root of higher plants derives from a group of pluripotent, mitotically active stem cells residing in the root apical meristem (RAM) which provides the basis for growth, development and regeneration of the root. The stem cells in the Arabidopsis thaliana RAM are surrounding the quiescent center (QC), which consists of a group of rarely dividing cells. The QC maintains the stem cells in a non-cell-autonomous manner and prevents them from differentiation. The necessary dynamic but also tight regulation of the transition from stem cell fate to differentiation most likely requires complex regulatory mechanisms to integrate external and internal cues. Transcription factors play a central role in root development and are regulated by phytohormones, small signaling molecules and miRNAs. In this review we give a comprehensive overview about the function and regulation of specific transcription factors controlling stem cell fate and root apical meristem maintenance and discuss the possibility of TF complex formation, subcellular translocations and cell-to-cell movement functioning as another level of regulation.
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spelling doaj.art-f2175c02b5e8462382d48de5f81aebbd2022-12-21T18:47:55ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2015-07-01610.3389/fpls.2015.00505149856Function and regulation of transcription factors involved in root apical meristem and stem cell maintenanceRebecca Corinna Drisch0Yvonne eStahl1Heinrich-Heine UniversityHeinrich-Heine UniversityPlant roots are essential for overall plant development, growth and performance by providing anchorage in the soil and uptake of nutrients and water. The primary root of higher plants derives from a group of pluripotent, mitotically active stem cells residing in the root apical meristem (RAM) which provides the basis for growth, development and regeneration of the root. The stem cells in the Arabidopsis thaliana RAM are surrounding the quiescent center (QC), which consists of a group of rarely dividing cells. The QC maintains the stem cells in a non-cell-autonomous manner and prevents them from differentiation. The necessary dynamic but also tight regulation of the transition from stem cell fate to differentiation most likely requires complex regulatory mechanisms to integrate external and internal cues. Transcription factors play a central role in root development and are regulated by phytohormones, small signaling molecules and miRNAs. In this review we give a comprehensive overview about the function and regulation of specific transcription factors controlling stem cell fate and root apical meristem maintenance and discuss the possibility of TF complex formation, subcellular translocations and cell-to-cell movement functioning as another level of regulation.http://journal.frontiersin.org/Journal/10.3389/fpls.2015.00505/fullStem CellsTranscription FactorsdifferentiationRoot apical meristemquiescent center
spellingShingle Rebecca Corinna Drisch
Yvonne eStahl
Function and regulation of transcription factors involved in root apical meristem and stem cell maintenance
Frontiers in Plant Science
Stem Cells
Transcription Factors
differentiation
Root apical meristem
quiescent center
title Function and regulation of transcription factors involved in root apical meristem and stem cell maintenance
title_full Function and regulation of transcription factors involved in root apical meristem and stem cell maintenance
title_fullStr Function and regulation of transcription factors involved in root apical meristem and stem cell maintenance
title_full_unstemmed Function and regulation of transcription factors involved in root apical meristem and stem cell maintenance
title_short Function and regulation of transcription factors involved in root apical meristem and stem cell maintenance
title_sort function and regulation of transcription factors involved in root apical meristem and stem cell maintenance
topic Stem Cells
Transcription Factors
differentiation
Root apical meristem
quiescent center
url http://journal.frontiersin.org/Journal/10.3389/fpls.2015.00505/full
work_keys_str_mv AT rebeccacorinnadrisch functionandregulationoftranscriptionfactorsinvolvedinrootapicalmeristemandstemcellmaintenance
AT yvonneestahl functionandregulationoftranscriptionfactorsinvolvedinrootapicalmeristemandstemcellmaintenance