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Spatiotemporal regulation of cell-cycle genes by SHORTROOT links patterning and growth (2010)

R. Sozzani ; H. Cui ; M. A. Moreno-Risueno ; [et al.]

Nature Publishing Group (NPG)

In: Nature. 466(7302): 128-32. doi: 10.1038/nature09143.

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Publication Date: 2010-07-03

Description: The development of multicellular organisms relies on the coordinated control of cell divisions leading to proper patterning and growth. The molecular mechanisms underlying pattern formation, particularly the regulation of formative cell divisions, remain poorly understood. In Arabidopsis, formative divisions generating the root ground tissue are controlled by SHORTROOT (SHR) and SCARECROW (SCR). Here we show, using cell-type-specific transcriptional effects of SHR and SCR combined with data from chromatin immunoprecipitation-based microarray experiments, that SHR regulates the spatiotemporal activation of specific genes involved in cell division. Coincident with the onset of a specific formative division, SHR and SCR directly activate a D-type cyclin; furthermore, altering the expression of this cyclin resulted in formative division defects. Our results indicate that proper pattern formation is achieved through transcriptional regulation of specific cell-cycle genes in a cell-type- and developmental-stage-specific context. Taken together, we provide evidence for a direct link between developmental regulators, specific components of the cell-cycle machinery and organ patterning.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2967763/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉 〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2967763/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sozzani, R -- Cui, H -- Moreno-Risueno, M A -- Busch, W -- Van Norman, J M -- Vernoux, T -- Brady, S M -- Dewitte, W -- Murray, J A H -- Benfey, P N -- BB/E022383/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/E022383/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/E022383/2/Biotechnology and Biological Sciences Research Council/United Kingdom -- P50 GM081883/GM/NIGMS NIH HHS/ -- P50 GM081883-020003/GM/NIGMS NIH HHS/ -- P50 GM081883-030003/GM/NIGMS NIH HHS/ -- P50-GM081883/GM/NIGMS NIH HHS/ -- R01 GM043778/GM/NIGMS NIH HHS/ -- R01 GM043778-18/GM/NIGMS NIH HHS/ -- R01 GM043778-19/GM/NIGMS NIH HHS/ -- R01 GM043778-20/GM/NIGMS NIH HHS/ -- R01 GM043778-21/GM/NIGMS NIH HHS/ -- R01-GM043778/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Jul 1;466(7302):128-32. doi: 10.1038/nature09143.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology and IGSP Center for Systems Biology, Duke University, Durham, North Carolina 27708, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20596025" target="_blank"〉PubMed〈/a〉

Keywords: Arabidopsis/cytology/embryology/*genetics/*growth & development ; Arabidopsis Proteins/genetics/*metabolism ; Body Patterning/*genetics/*physiology ; Cell Cycle/genetics/physiology ; Cell Division/genetics ; Cyclin D/genetics/metabolism ; Cyclin-Dependent Kinases/metabolism ; Gene Expression Regulation, Plant ; Genes, cdc/*physiology ; Organogenesis/genetics/physiology ; Plant Roots/cytology/embryology/genetics/growth & development ; Time Factors ; Transcription Factors/genetics/*metabolism

Print ISSN: 0028-0836

Electronic ISSN: 1476-4687

Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics

Published by Nature Publishing Group (NPG)

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Transcriptional control of tissue formation throughout root development (2015)

M. A. Moreno-Risueno ; R. Sozzani ; G. G. Yardimci ; [et al.]

American Association for the Advancement of Science (AAAS)

In: Science. 350(6259): 426-30. doi: 10.1126/science.aad1171.

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Publication Date: 2015-10-24

Description: 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.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moreno-Risueno, Miguel A -- Sozzani, Rosangela -- Yardimci, Galip Gurkan -- Petricka, Jalean J -- Vernoux, Teva -- Blilou, Ikram -- Alonso, Jose -- Winter, Cara M -- Ohler, Uwe -- Scheres, Ben -- Benfey, Philip N -- F32 GM086976/GM/NIGMS NIH HHS/ -- F32 GM106690-01/GM/NIGMS NIH HHS/ -- R01-GM043778/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Oct 23;350(6259):426-30. doi: 10.1126/science.aad1171.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biotechnology, Center for Plant Genomics and Biotechnology, Universidad Politecnica de Madrid, 28223 Pozuelo de Alarcon (Madrid), Spain. ; Department of Biology and Howard Hughes Medical Institute, Duke University, Durham, NC 27708, USA. ; Laboratoire de Reproduction et Developpement des Plantes, CNRS, INRA, ENS Lyon, UCBL, Universite de Lyon, 69364 Lyon, France. ; Department of Plant Biology, Wageningen University Research, Wageningen, Netherlands. ; Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC 27695, USA. ; Berlin Institute for Medical Systems Biology, Max Delbruck Center for Molecular Medicine, 13125 Berlin, Germany. ; Department of Biology and Howard Hughes Medical Institute, Duke University, Durham, NC 27708, USA. philip.benfey@duke.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26494755" target="_blank"〉PubMed〈/a〉

Print ISSN: 0036-8075

Electronic ISSN: 1095-9203

Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics