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Transcriptional control of tissue formation throughout root development

Moreno-Risueno, Miguel A., Sozzani, Rosangela, Galip, Gürkan Yardimci, Petricka, Jalean J., Vernoux, Teva, Blilou, Ikram, Alonso, Jose, Winter, Cara M., Ohler, Uwe, Scheres, Ben and Benfey, Philip N. 2015. Transcriptional control of tissue formation throughout root development. Science 350 (6259) , pp. 426-430. 10.1126/science.aad1171

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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.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: American Association for the Advancement of Science
ISSN: 0036-8075
Date of First Compliant Deposit: 6 December 2018
Date of Acceptance: 22 September 2015
Last Modified: 20 Nov 2020 10:30

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