Transcriptional control of tissue formation throughout root development

Miguel A. Moreno-Risueno, Rosangela Sozzani, Galip Gürkan Yardimci, Jalean J. Petricka, Teva Vernoux, Ikram Blilou, Jose Alonso, Cara M. Winter, Uwe Ohler, Ben Scheres, Philip N. Benfey*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

73 Scopus citations

Abstract

Tissue patterns are dynamically maintained. Continuous formation of plant tissues during postembryonic growth requires asymmetric divisions and the specification of cell lineages. We show that the BIRDs and SCARECROW regulate lineage identity, positional signals, patterning, and formative divisions throughout Arabidopsis root growth. These transcription factors are postembryonic determinants of the ground tissue stem cells and their lineage. Upon further activation by the positional signal SHORT-ROOT (a mobile transcription factor), they direct asymmetric cell divisions and patterning of cell types. The BIRDs and SCARECROW with SHORT-ROOT organize tissue patterns at all formative steps during growth, ensuring developmental plasticity.

Original languageEnglish (US)
Pages (from-to)426-430
Number of pages5
JournalScience
Volume350
Issue number6259
DOIs
StatePublished - Oct 23 2015

ASJC Scopus subject areas

  • General

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