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  • 1
    Publication Date: 2008-10-25
    Description: During the development of multicellular organisms, organogenesis and pattern formation depend on formative divisions to specify and maintain pools of stem cells. In higher plants, these activities are essential to shape the final root architecture because the functioning of root apical meristems and the de novo formation of lateral roots entirely rely on it. We used transcript profiling on sorted pericycle cells undergoing lateral root initiation to identify the receptor-like kinase ACR4 of Arabidopsis as a key factor both in promoting formative cell divisions in the pericycle and in constraining the number of these divisions once organogenesis has been started. In the root tip meristem, ACR4 shows a similar action by controlling cell proliferation activity in the columella cell lineage. Thus, ACR4 function reveals a common mechanism of formative cell division control in the main root tip meristem and during lateral root initiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉De Smet, Ive -- Vassileva, Valya -- De Rybel, Bert -- Levesque, Mitchell P -- Grunewald, Wim -- Van Damme, Daniel -- Van Noorden, Giel -- Naudts, Mirande -- Van Isterdael, Gert -- De Clercq, Rebecca -- Wang, Jean Y -- Meuli, Nicholas -- Vanneste, Steffen -- Friml, Jiri -- Hilson, Pierre -- Jurgens, Gerd -- Ingram, Gwyneth C -- Inze, Dirk -- Benfey, Philip N -- Beeckman, Tom -- New York, N.Y. -- Science. 2008 Oct 24;322(5901):594-7. doi: 10.1126/science.1160158.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Systems Biology, Flanders Institute for Biotechnology (VIB), B-9052 Ghent, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18948541" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*cytology/*enzymology/genetics/growth & development ; Arabidopsis Proteins/*genetics/*metabolism ; *Cell Division ; Cell Lineage ; Gene Expression Profiling ; Gene Expression Regulation, Plant ; Genes, Plant ; Meristem/*cytology/enzymology/growth & development ; Mutation ; Plant Roots/*cytology/enzymology/growth & development ; Protein-Serine-Threonine Kinases ; Receptors, Cell Surface/*genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2012-01-17
    Description: Auxin is a key plant morphogenetic signal but tools to analyse dynamically its distribution and signalling during development are still limited. Auxin perception directly triggers the degradation of Aux/IAA repressor proteins. Here we describe a novel Aux/IAA-based auxin signalling sensor termed DII-VENUS that was engineered in the model plant Arabidopsis thaliana. The VENUS fast maturing form of yellow fluorescent protein was fused in-frame to the Aux/IAA auxin-interaction domain (termed domain II; DII) and expressed under a constitutive promoter. We initially show that DII-VENUS abundance is dependent on auxin, its TIR1/AFBs co-receptors and proteasome activities. Next, we demonstrate that DII-VENUS provides a map of relative auxin distribution at cellular resolution in different tissues. DII-VENUS is also rapidly degraded in response to auxin and we used it to visualize dynamic changes in cellular auxin distribution successfully during two developmental responses, the root gravitropic response and lateral organ production at the shoot apex. Our results illustrate the value of developing response input sensors such as DII-VENUS to provide high-resolution spatio-temporal information about hormone distribution and response during plant growth and development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brunoud, Geraldine -- Wells, Darren M -- Oliva, Marina -- Larrieu, Antoine -- Mirabet, Vincent -- Burrow, Amy H -- Beeckman, Tom -- Kepinski, Stefan -- Traas, Jan -- Bennett, Malcolm J -- Vernoux, Teva -- BB/F007418/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/F013981/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- England -- Nature. 2012 Jan 15;482(7383):103-6. doi: 10.1038/nature10791.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Reproduction et Developpement des Plantes, CNRS, INRA, ENS Lyon, UCBL, Universite de Lyon, 69364 Lyon, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22246322" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*drug effects/growth & development/*metabolism ; Bacterial Proteins/genetics/metabolism ; *Gene Expression Regulation, Plant ; Gravitropism/drug effects ; Indoleacetic Acids/analysis/*metabolism/*pharmacology ; Luminescent Proteins/genetics/metabolism ; Organ Specificity ; Plant Shoots/drug effects/growth & development/metabolism ; Plants, Genetically Modified ; Proteasome Endopeptidase Complex/metabolism ; Protein Structure, Tertiary/genetics/physiology ; Time Factors
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2011-05-20
    Description: Polarized epithelia are fundamental to multicellular life. In animal epithelia, conserved junctional complexes establish membrane diffusion barriers, cellular adherence and sealing of the extracellular space. Plant cellular barriers are of independent evolutionary origin. The root endodermis strongly resembles a polarized epithelium and functions in nutrient uptake and stress resistance. Its defining features are the Casparian strips, belts of specialized cell wall material that generate an extracellular diffusion barrier. The mechanisms localizing Casparian strips are unknown. Here we identify and characterize a family of transmembrane proteins of previously unknown function. These 'CASPs' (Casparian strip membrane domain proteins) specifically mark a membrane domain that predicts the formation of Casparian strips. CASP1 displays numerous features required for a constituent of a plant junctional complex: it forms complexes with other CASPs; it becomes immobile upon localization; and it sediments like a large polymer. CASP double mutants display disorganized Casparian strips, demonstrating a role for CASPs in structuring and localizing this cell wall modification. To our knowledge, CASPs are the first molecular factors that are shown to establish a plasma membrane and extracellular diffusion barrier in plants, and represent a novel way of epithelial barrier formation in eukaryotes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roppolo, Daniele -- De Rybel, Bert -- Denervaud Tendon, Valerie -- Pfister, Alexandre -- Alassimone, Julien -- Vermeer, Joop E M -- Yamazaki, Misako -- Stierhof, York-Dieter -- Beeckman, Tom -- Geldner, Niko -- England -- Nature. 2011 May 19;473(7347):380-3. doi: 10.1038/nature10070.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Molecular Biology, Biophore, UNIL-Sorge, University of Lausanne, 1015 Lausanne, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21593871" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*cytology/*metabolism/ultrastructure ; Arabidopsis Proteins/genetics/*metabolism/ultrastructure ; Biopolymers/chemistry/metabolism ; Cell Membrane/*metabolism ; Diffusion ; Extracellular Space/metabolism ; Hydrophobic and Hydrophilic Interactions ; Membrane Proteins/genetics/*metabolism/ultrastructure ; Molecular Sequence Data ; Multigene Family ; Plant Roots/*cytology/*metabolism ; Protein Binding
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2014-08-12
    Description: Coordination of cell division and pattern formation is central to tissue and organ development, particularly in plants where walls prevent cell migration. Auxin and cytokinin are both critical for division and patterning, but it is unknown how these hormones converge upon tissue development. We identify a genetic network that reinforces an early embryonic bias in auxin distribution to create a local, nonresponding cytokinin source within the root vascular tissue. Experimental and theoretical evidence shows that these cells act as a tissue organizer by positioning the domain of oriented cell divisions. We further demonstrate that the auxin-cytokinin interaction acts as a spatial incoherent feed-forward loop, which is essential to generate distinct hormonal response zones, thus establishing a stable pattern within a growing vascular tissue.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉De Rybel, Bert -- Adibi, Milad -- Breda, Alice S -- Wendrich, Jos R -- Smit, Margot E -- Novak, Ondrej -- Yamaguchi, Nobutoshi -- Yoshida, Saiko -- Van Isterdael, Gert -- Palovaara, Joakim -- Nijsse, Bart -- Boekschoten, Mark V -- Hooiveld, Guido -- Beeckman, Tom -- Wagner, Doris -- Ljung, Karin -- Fleck, Christian -- Weijers, Dolf -- New York, N.Y. -- Science. 2014 Aug 8;345(6197):1255215. doi: 10.1126/science.1255215.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Biochemistry, Wageningen University, Dreijenlaan 3, 6703HA Wageningen, the Netherlands. ; LifeGlimmer GmbH, Markelstrasse 38, 12163 Berlin, Germany. Albert-Ludwigs-University Freiburg, Faculty of Biology, Plant Biotechnology, Schaenzlestrasse 1, D-79104 Freiburg, Germany. Laboratory of Systems and Synthetic Biology, Wageningen University, Dreijenlaan 3, 6703HA Wageningen, the Netherlands. ; Umea Plant Science Centre (UPSC), Department of Forest Genetics and Plant Physiology, SLU, SE-901 83 Umea, Sweden. Laboratory of Growth Regulators, Centre of the Region Hana for Biotechnological and Agricultural Research, Palacky University and Institute of Experimental Botany AS CR, Slechtitelu 11, CZ-78371 Olomouc, Czech Republic. ; Department of Biology, University of Pennsylvania, Philadelphia, PA 190104-6084, USA. ; Department of Plant Systems Biology, VIB, Technologiepark 927, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052 Gent, Belgium. ; Laboratory of Systems and Synthetic Biology, Wageningen University, Dreijenlaan 3, 6703HA Wageningen, the Netherlands. ; Division of Human Nutrition, Wageningen University, Dreijenlaan 2, 6703HA Wageningen, the Netherlands. TI Food and Nutrition, 6703HA Wageningen, the Netherlands. ; Division of Human Nutrition, Wageningen University, Dreijenlaan 2, 6703HA Wageningen, the Netherlands. ; Umea Plant Science Centre (UPSC), Department of Forest Genetics and Plant Physiology, SLU, SE-901 83 Umea, Sweden. ; Laboratory of Systems and Synthetic Biology, Wageningen University, Dreijenlaan 3, 6703HA Wageningen, the Netherlands. dolf.weijers@wur.nl christian.fleck@wur.nl. ; Laboratory of Biochemistry, Wageningen University, Dreijenlaan 3, 6703HA Wageningen, the Netherlands. dolf.weijers@wur.nl christian.fleck@wur.nl.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25104393" target="_blank"〉PubMed〈/a〉
    Keywords: Aminohydrolases ; Arabidopsis/drug effects/genetics/*growth & development ; Arabidopsis Proteins/genetics/metabolism ; Basic Helix-Loop-Helix Transcription Factors/metabolism ; Body Patterning/drug effects/genetics/*physiology ; Cell Division/genetics/physiology ; Cytokines/biosynthesis ; Gene Expression Regulation, Developmental ; Gene Expression Regulation, Plant ; Gene Regulatory Networks ; Indoleacetic Acids/*metabolism/pharmacology ; Nuclear Proteins/genetics ; Plant Vascular Bundle/drug effects/*growth & development ; Trans-Activators/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2014-08-02
    Description: Photoassimilates such as sugars are transported through phloem sieve element cells in plants. Adapted for effective transport, sieve elements develop as enucleated living cells. We used electron microscope imaging and three-dimensional reconstruction to follow sieve element morphogenesis in Arabidopsis. We show that sieve element differentiation involves enucleation, in which the nuclear contents are released and degraded in the cytoplasm at the same time as other organelles are rearranged and the cytosol is degraded. These cellular reorganizations are orchestrated by the genetically redundant NAC domain-containing transcription factors, NAC45 and NAC86 (NAC45/86). Among the NAC45/86 targets, we identified a family of genes required for enucleation that encode proteins with nuclease domains. Thus, sieve elements differentiate through a specialized autolysis mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Furuta, Kaori Miyashima -- Yadav, Shri Ram -- Lehesranta, Satu -- Belevich, Ilya -- Miyashima, Shunsuke -- Heo, Jung-ok -- Vaten, Anne -- Lindgren, Ove -- De Rybel, Bert -- Van Isterdael, Gert -- Somervuo, Panu -- Lichtenberger, Raffael -- Rocha, Raquel -- Thitamadee, Siripong -- Tahtiharju, Sari -- Auvinen, Petri -- Beeckman, Tom -- Jokitalo, Eija -- Helariutta, Yka -- New York, N.Y. -- Science. 2014 Aug 22;345(6199):933-7. doi: 10.1126/science.1253736. Epub 2014 Jul 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Biotechnology, Department of Biological and Environmental Sciences, University of Helsinki, FIN-00014, Finland. ; Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, B-9052 Gent, Belgium. Department of Plant System Biology, VIB, Technologiepark 927, B-9052 Gent, Belgium. ; Institute of Biotechnology, Department of Biological and Environmental Sciences, University of Helsinki, FIN-00014, Finland. yrjo.helariutta@slcu.cam.ac.uk eija.jokitalo@helsinki.fi. ; Institute of Biotechnology, Department of Biological and Environmental Sciences, University of Helsinki, FIN-00014, Finland. Cardiff University Cardiff School of Biosciences, The Sir Martin Evans Building, Museum Avenue, Cardiff, CF10 3AX, UK. The Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK. yrjo.helariutta@slcu.cam.ac.uk eija.jokitalo@helsinki.fi.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25081480" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics/*growth & development/ultrastructure ; Arabidopsis Proteins/genetics/*physiology ; Cell Nucleus/*metabolism/ultrastructure ; Gene Expression Regulation, Developmental ; Gene Expression Regulation, Plant ; Imaging, Three-Dimensional ; Microscopy, Electron ; Morphogenesis/genetics/*physiology ; Phloem/*growth & development/ultrastructure ; Transcription Factors/genetics/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2016-01-23
    Description: The plant root cap, surrounding the very tip of the growing root, perceives and transmits environmental signals to the inner root tissues. In Arabidopsis thaliana, auxin released by the root cap contributes to the regular spacing of lateral organs along the primary root axis. Here, we show that the periodicity of lateral organ induction is driven by recurrent programmed cell death at the most distal edge of the root cap. We suggest that synchronous bursts of cell death in lateral root cap cells release pulses of auxin to surrounding root tissues, establishing the pattern for lateral root formation. The dynamics of root cap turnover may therefore coordinate primary root growth with root branching in order to optimize the uptake of water and nutrients from the soil.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xuan, Wei -- Band, Leah R -- Kumpf, Robert P -- Van Damme, Daniel -- Parizot, Boris -- De Rop, Gieljan -- Opdenacker, Davy -- Moller, Barbara K -- Skorzinski, Noemi -- Njo, Maria F -- De Rybel, Bert -- Audenaert, Dominique -- Nowack, Moritz K -- Vanneste, Steffen -- Beeckman, Tom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2016 Jan 22;351(6271):384-7. doi: 10.1126/science.aad2776.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Technologiepark 927, 9052 Ghent, Belgium. Department of Plant Biotechnology and Bioinformatics, Gent University, Technologiepark 927, 9052 Ghent, Belgium. State Key Laboratory of Crop Genetics and Germplasm Enhancement and MOA Key Laboratory of Plant Nutrition and Fertilization in Lower-Middle Reaches of the Yangtze River, Nanjing Agricultural University, Weigang No. 1, Nanjing 210095, PR China. ; Centre for Plant Integrative Biology, University of Nottingham, Nottingham LE12 5RD, UK. ; Department of Plant Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Technologiepark 927, 9052 Ghent, Belgium. Department of Plant Biotechnology and Bioinformatics, Gent University, Technologiepark 927, 9052 Ghent, Belgium. ; Max Planck Institute for Developmental Biology, Spemannstrasse 35, 72076 Tubingen, Germany. ; Department of Plant Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Technologiepark 927, 9052 Ghent, Belgium. Department of Plant Biotechnology and Bioinformatics, Gent University, Technologiepark 927, 9052 Ghent, Belgium. Laboratory of Biochemistry, Wageningen University, Dreijenlaan 3, 6703HA Wageningen, Netherlands. ; Department of Plant Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Technologiepark 927, 9052 Ghent, Belgium. Department of Plant Biotechnology and Bioinformatics, Gent University, Technologiepark 927, 9052 Ghent, Belgium. tobee@psb.vib-ugent.be.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26798015" target="_blank"〉PubMed〈/a〉
    Keywords: *Apoptosis ; Arabidopsis/cytology/*growth & development/metabolism ; Indoleacetic Acids/*metabolism ; Plant Epidermis/cytology/growth & development/metabolism ; Plant Root Cap/cytology/*growth & development/metabolism ; Receptors, TNF-Related Apoptosis-Inducing Ligand/genetics/metabolism ; Signal Transduction ; Soil ; Water/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2024-01-12
    Description: Plants have evolved annual and perennial life forms as alternative strategies to adapt reproduction and survival to environmental constraints. In isolated situations, such as islands, woody perennials have evolved repeatedly from annual ancestors1. Although the molecular basis of the rapid evolution of insular woodiness is unknown, the molecular difference between perennials and annuals might be rather small, and a change between these life strategies might not require major genetic innovations2,3. Developmental regulators can strongly affect evolutionary variation4 and genes involved in meristem transitions are good candidates for a switch in growth habit. We found that the MADS box proteins SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1 (SOC1) and FRUITFULL (FUL) not only control flowering time, but also affect determinacy of all meristems. In addition, downregulation of both proteins established phenotypes common to the lifestyle of perennial plants, suggesting their involvement in the prevention of secondary growth and longevity in annual life forms.
    Keywords: flowering-time ; meristem determinacy ; growth form ; Arabidopsis thaliana ; insular woodiness ; secondary growth ; annual life forms
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
    Format: application/pdf
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  • 8
  • 9
    Publication Date: 2004-03-29
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 10
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