Regulation of Meristem Morphogenesis by Cell Wall Synthases in Arabidopsis
Identifieur interne : 003581 ( Ncbi/Merge ); précédent : 003580; suivant : 003582Regulation of Meristem Morphogenesis by Cell Wall Synthases in Arabidopsis
Auteurs : Weibing Yang [Royaume-Uni] ; Christoph Schuster [Royaume-Uni] ; Cherie T. Beahan [Australie] ; Varodom Charoensawan [Royaume-Uni, Thaïlande] ; Alexis Peaucelle [Royaume-Uni, France] ; Antony Bacic [Australie] ; Monika S. Doblin [Australie] ; Raymond Wightman [Royaume-Uni] ; Elliot M. Meyerowitz [Royaume-Uni, États-Unis]Source :
- Current biology : CB [ 0960-9822 ] ; 2016.
Abstract
The cell walls of the shoot apical meristem (SAM), containing the stem cell niche that gives rise to the above-ground tissues, are crucially involved in regulating differentiation. It is currently unknown how these walls are built and refined or their role, if any, in influencing meristem developmental dynamics. We have combined polysaccharide linkage analysis, immuno-labelling and transcriptome profiling of the SAM to provide a spatio-temporal plan of the walls of this dynamic structure. We find that meristematic cells express only a core subset of 152 genes encoding cell wall glycosyltransferases (GTs). Systemic localization of all these GT mRNAs by
Url:
DOI: 10.1016/j.cub.2016.04.026
PubMed: 27212401
PubMed Central: 5024349
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<front><div type="abstract" xml:lang="en"><title>SUMMARY</title>
<p id="P2">The cell walls of the shoot apical meristem (SAM), containing the stem cell niche that gives rise to the above-ground tissues, are crucially involved in regulating differentiation. It is currently unknown how these walls are built and refined or their role, if any, in influencing meristem developmental dynamics. We have combined polysaccharide linkage analysis, immuno-labelling and transcriptome profiling of the SAM to provide a spatio-temporal plan of the walls of this dynamic structure. We find that meristematic cells express only a core subset of 152 genes encoding cell wall glycosyltransferases (GTs). Systemic localization of all these GT mRNAs by <italic>in situ</italic>
hybridization reveals members with either enrichment in or specificity to apical subdomains such as emerging flower primordia, and a large class with high expression in dividing cells. The highly localized and coordinated expression of GTs in the SAM suggests distinct wall properties of meristematic cells, and specific differences between newly forming walls and their mature descendants. Functional analysis demonstrates that a subset of <italic>CSLD</italic>
genes is essential for proper meristem maintenance, confirming the key role of walls in developmental pathways.</p>
</div>
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<orgName type="university">Université de Melbourne</orgName>
<country>Australie</country>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
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<author><name sortKey="Charoensawan, Varodom" sort="Charoensawan, Varodom" uniqKey="Charoensawan V" first="Varodom" last="Charoensawan">Varodom Charoensawan</name>
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<affiliation wicri:level="1"><nlm:aff id="A5">Institut Jean-Pierre Bourgin, UMR1318, Institut National pour la Recherche Agronomique-AgroParisTech, Saclay Plant Science, Route De St-Cyr, Versailles 78026, France</nlm:aff>
<country xml:lang="fr">France</country>
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<author><name sortKey="Bacic, Antony" sort="Bacic, Antony" uniqKey="Bacic A" first="Antony" last="Bacic">Antony Bacic</name>
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<orgName type="university">Université de Melbourne</orgName>
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<orgName type="university">Université de Melbourne</orgName>
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<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Wightman, Raymond" sort="Wightman, Raymond" uniqKey="Wightman R" first="Raymond" last="Wightman">Raymond Wightman</name>
<affiliation wicri:level="4"><nlm:aff id="A1">Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge, CB2 1LR. U.K</nlm:aff>
<orgName type="university">Université de Cambridge</orgName>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Meyerowitz, Elliot M" sort="Meyerowitz, Elliot M" uniqKey="Meyerowitz E" first="Elliot M." last="Meyerowitz">Elliot M. Meyerowitz</name>
<affiliation wicri:level="4"><nlm:aff id="A1">Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge, CB2 1LR. U.K</nlm:aff>
<orgName type="university">Université de Cambridge</orgName>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
<affiliation wicri:level="2"><nlm:aff id="A6">Howard Hughes Medical Institute and Division of Biology and Biological Engineering, 156-29 California Institute of Technology, Pasadena. CA 91125. U.S.A</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Californie</region>
</placeName>
<wicri:cityArea>Howard Hughes Medical Institute and Division of Biology and Biological Engineering, 156-29 California Institute of Technology</wicri:cityArea>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PMC</idno>
<idno type="pmid">27212401</idno>
<idno type="pmc">5024349</idno>
<idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5024349</idno>
<idno type="RBID">PMC:5024349</idno>
<idno type="doi">10.1016/j.cub.2016.04.026</idno>
<date when="2016">2016</date>
<idno type="wicri:Area/Pmc/Corpus">002076</idno>
<idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002076</idno>
<idno type="wicri:Area/Pmc/Curation">001F30</idno>
<idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">001F30</idno>
<idno type="wicri:Area/Pmc/Checkpoint">000642</idno>
<idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000642</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Regulation of Meristem Morphogenesis by Cell Wall Synthases in <italic>Arabidopsis</italic>
</title>
<author><name sortKey="Yang, Weibing" sort="Yang, Weibing" uniqKey="Yang W" first="Weibing" last="Yang">Weibing Yang</name>
<affiliation wicri:level="4"><nlm:aff id="A1">Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge, CB2 1LR. U.K</nlm:aff>
<orgName type="university">Université de Cambridge</orgName>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Schuster, Christoph" sort="Schuster, Christoph" uniqKey="Schuster C" first="Christoph" last="Schuster">Christoph Schuster</name>
<affiliation wicri:level="4"><nlm:aff id="A1">Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge, CB2 1LR. U.K</nlm:aff>
<orgName type="university">Université de Cambridge</orgName>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Beahan, Cherie T" sort="Beahan, Cherie T" uniqKey="Beahan C" first="Cherie T." last="Beahan">Cherie T. Beahan</name>
<affiliation wicri:level="4"><nlm:aff id="A2">ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, Victoria 3010. Australia</nlm:aff>
<orgName type="university">Université de Melbourne</orgName>
<country>Australie</country>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Charoensawan, Varodom" sort="Charoensawan, Varodom" uniqKey="Charoensawan V" first="Varodom" last="Charoensawan">Varodom Charoensawan</name>
<affiliation wicri:level="4"><nlm:aff id="A1">Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge, CB2 1LR. U.K</nlm:aff>
<orgName type="university">Université de Cambridge</orgName>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
<affiliation wicri:level="1"><nlm:aff id="A3">Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand</nlm:aff>
<country xml:lang="fr">Thaïlande</country>
<wicri:regionArea>Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok 10400</wicri:regionArea>
<wicri:noRegion>Bangkok 10400</wicri:noRegion>
</affiliation>
<affiliation><nlm:aff id="A4">Integrative Computational BioScience (ICBS) Center, Mahidol University, Nakhon Pathom 73170, Thailandz</nlm:aff>
<wicri:noCountry code="subfield">Thailandz</wicri:noCountry>
</affiliation>
</author>
<author><name sortKey="Peaucelle, Alexis" sort="Peaucelle, Alexis" uniqKey="Peaucelle A" first="Alexis" last="Peaucelle">Alexis Peaucelle</name>
<affiliation wicri:level="4"><nlm:aff id="A1">Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge, CB2 1LR. U.K</nlm:aff>
<orgName type="university">Université de Cambridge</orgName>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
<affiliation wicri:level="1"><nlm:aff id="A5">Institut Jean-Pierre Bourgin, UMR1318, Institut National pour la Recherche Agronomique-AgroParisTech, Saclay Plant Science, Route De St-Cyr, Versailles 78026, France</nlm:aff>
<country xml:lang="fr">France</country>
<wicri:regionArea>Institut Jean-Pierre Bourgin, UMR1318, Institut National pour la Recherche Agronomique-AgroParisTech, Saclay Plant Science, Route De St-Cyr, Versailles 78026</wicri:regionArea>
<wicri:noRegion>78026</wicri:noRegion>
<wicri:noRegion>78026</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Bacic, Antony" sort="Bacic, Antony" uniqKey="Bacic A" first="Antony" last="Bacic">Antony Bacic</name>
<affiliation wicri:level="4"><nlm:aff id="A2">ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, Victoria 3010. Australia</nlm:aff>
<orgName type="university">Université de Melbourne</orgName>
<country>Australie</country>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Doblin, Monika S" sort="Doblin, Monika S" uniqKey="Doblin M" first="Monika S" last="Doblin">Monika S. Doblin</name>
<affiliation wicri:level="4"><nlm:aff id="A2">ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, Victoria 3010. Australia</nlm:aff>
<orgName type="university">Université de Melbourne</orgName>
<country>Australie</country>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Wightman, Raymond" sort="Wightman, Raymond" uniqKey="Wightman R" first="Raymond" last="Wightman">Raymond Wightman</name>
<affiliation wicri:level="4"><nlm:aff id="A1">Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge, CB2 1LR. U.K</nlm:aff>
<orgName type="university">Université de Cambridge</orgName>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Meyerowitz, Elliot M" sort="Meyerowitz, Elliot M" uniqKey="Meyerowitz E" first="Elliot M." last="Meyerowitz">Elliot M. Meyerowitz</name>
<affiliation wicri:level="4"><nlm:aff id="A1">Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge, CB2 1LR. U.K</nlm:aff>
<orgName type="university">Université de Cambridge</orgName>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
<affiliation wicri:level="2"><nlm:aff id="A6">Howard Hughes Medical Institute and Division of Biology and Biological Engineering, 156-29 California Institute of Technology, Pasadena. CA 91125. U.S.A</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Californie</region>
</placeName>
<wicri:cityArea>Howard Hughes Medical Institute and Division of Biology and Biological Engineering, 156-29 California Institute of Technology</wicri:cityArea>
</affiliation>
</author>
</analytic>
<series><title level="j">Current biology : CB</title>
<idno type="ISSN">0960-9822</idno>
<idno type="eISSN">1879-0445</idno>
<imprint><date when="2016">2016</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en"><title>SUMMARY</title>
<p id="P2">The cell walls of the shoot apical meristem (SAM), containing the stem cell niche that gives rise to the above-ground tissues, are crucially involved in regulating differentiation. It is currently unknown how these walls are built and refined or their role, if any, in influencing meristem developmental dynamics. We have combined polysaccharide linkage analysis, immuno-labelling and transcriptome profiling of the SAM to provide a spatio-temporal plan of the walls of this dynamic structure. We find that meristematic cells express only a core subset of 152 genes encoding cell wall glycosyltransferases (GTs). Systemic localization of all these GT mRNAs by <italic>in situ</italic>
hybridization reveals members with either enrichment in or specificity to apical subdomains such as emerging flower primordia, and a large class with high expression in dividing cells. The highly localized and coordinated expression of GTs in the SAM suggests distinct wall properties of meristematic cells, and specific differences between newly forming walls and their mature descendants. Functional analysis demonstrates that a subset of <italic>CSLD</italic>
genes is essential for proper meristem maintenance, confirming the key role of walls in developmental pathways.</p>
</div>
</front>
</TEI>
</pmc>
<pubmed><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Regulation of Meristem Morphogenesis by Cell Wall Synthases in Arabidopsis.</title>
<author><name sortKey="Yang, Weibing" sort="Yang, Weibing" uniqKey="Yang W" first="Weibing" last="Yang">Weibing Yang</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR</wicri:regionArea>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Schuster, Christoph" sort="Schuster, Christoph" uniqKey="Schuster C" first="Christoph" last="Schuster">Christoph Schuster</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR</wicri:regionArea>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Beahan, Cherie T" sort="Beahan, Cherie T" uniqKey="Beahan C" first="Cherie T" last="Beahan">Cherie T. Beahan</name>
<affiliation wicri:level="4"><nlm:affiliation>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010</wicri:regionArea>
<orgName type="university">Université de Melbourne</orgName>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Charoensawan, Varodom" sort="Charoensawan, Varodom" uniqKey="Charoensawan V" first="Varodom" last="Charoensawan">Varodom Charoensawan</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; Integrative Computational BioScience Center, Mahidol University, Nakhon Pathom 73170, Thailand.</nlm:affiliation>
<country xml:lang="fr">Thaïlande</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; Integrative Computational BioScience Center, Mahidol University, Nakhon Pathom 73170</wicri:regionArea>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Peaucelle, Alexis" sort="Peaucelle, Alexis" uniqKey="Peaucelle A" first="Alexis" last="Peaucelle">Alexis Peaucelle</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Institut Jean-Pierre Bourgin, UMR 1318, Institut National pour la Recherche Agronomique-AgroParisTech, Saclay Plant Science, Route de St-Cyr, Versailles 78026, France.</nlm:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Institut Jean-Pierre Bourgin, UMR 1318, Institut National pour la Recherche Agronomique-AgroParisTech, Saclay Plant Science, Route de St-Cyr, Versailles 78026</wicri:regionArea>
<wicri:noRegion>78026</wicri:noRegion>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Bacic, Antony" sort="Bacic, Antony" uniqKey="Bacic A" first="Antony" last="Bacic">Antony Bacic</name>
<affiliation wicri:level="4"><nlm:affiliation>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010</wicri:regionArea>
<orgName type="university">Université de Melbourne</orgName>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Doblin, Monika S" sort="Doblin, Monika S" uniqKey="Doblin M" first="Monika S" last="Doblin">Monika S. Doblin</name>
<affiliation wicri:level="4"><nlm:affiliation>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010, Australia. Electronic address: msdoblin@unimelb.edu.au.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010</wicri:regionArea>
<orgName type="university">Université de Melbourne</orgName>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Wightman, Raymond" sort="Wightman, Raymond" uniqKey="Wightman R" first="Raymond" last="Wightman">Raymond Wightman</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK. Electronic address: raymond.wightman@slcu.cam.ac.uk.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR</wicri:regionArea>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Meyerowitz, Elliot M" sort="Meyerowitz, Elliot M" uniqKey="Meyerowitz E" first="Elliot M" last="Meyerowitz">Elliot M. Meyerowitz</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Howard Hughes Medical Institute and Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA. Electronic address: meyerow@caltech.edu.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Howard Hughes Medical Institute and Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125</wicri:regionArea>
<placeName><region type="state">Californie</region>
<settlement type="city">Cambridge</settlement>
</placeName>
<orgName type="university">Université de Cambridge</orgName>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PubMed</idno>
<date when="2016">2016</date>
<idno type="RBID">pubmed:27212401</idno>
<idno type="pmid">27212401</idno>
<idno type="doi">10.1016/j.cub.2016.04.026</idno>
<idno type="wicri:Area/PubMed/Corpus">001D95</idno>
<idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001D95</idno>
<idno type="wicri:Area/PubMed/Curation">001D71</idno>
<idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">001D71</idno>
<idno type="wicri:Area/PubMed/Checkpoint">001D71</idno>
<idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">001D71</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en">Regulation of Meristem Morphogenesis by Cell Wall Synthases in Arabidopsis.</title>
<author><name sortKey="Yang, Weibing" sort="Yang, Weibing" uniqKey="Yang W" first="Weibing" last="Yang">Weibing Yang</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR</wicri:regionArea>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Schuster, Christoph" sort="Schuster, Christoph" uniqKey="Schuster C" first="Christoph" last="Schuster">Christoph Schuster</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR</wicri:regionArea>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Beahan, Cherie T" sort="Beahan, Cherie T" uniqKey="Beahan C" first="Cherie T" last="Beahan">Cherie T. Beahan</name>
<affiliation wicri:level="4"><nlm:affiliation>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010</wicri:regionArea>
<orgName type="university">Université de Melbourne</orgName>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Charoensawan, Varodom" sort="Charoensawan, Varodom" uniqKey="Charoensawan V" first="Varodom" last="Charoensawan">Varodom Charoensawan</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; Integrative Computational BioScience Center, Mahidol University, Nakhon Pathom 73170, Thailand.</nlm:affiliation>
<country xml:lang="fr">Thaïlande</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; Integrative Computational BioScience Center, Mahidol University, Nakhon Pathom 73170</wicri:regionArea>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Peaucelle, Alexis" sort="Peaucelle, Alexis" uniqKey="Peaucelle A" first="Alexis" last="Peaucelle">Alexis Peaucelle</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Institut Jean-Pierre Bourgin, UMR 1318, Institut National pour la Recherche Agronomique-AgroParisTech, Saclay Plant Science, Route de St-Cyr, Versailles 78026, France.</nlm:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Institut Jean-Pierre Bourgin, UMR 1318, Institut National pour la Recherche Agronomique-AgroParisTech, Saclay Plant Science, Route de St-Cyr, Versailles 78026</wicri:regionArea>
<wicri:noRegion>78026</wicri:noRegion>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Bacic, Antony" sort="Bacic, Antony" uniqKey="Bacic A" first="Antony" last="Bacic">Antony Bacic</name>
<affiliation wicri:level="4"><nlm:affiliation>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010</wicri:regionArea>
<orgName type="university">Université de Melbourne</orgName>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Doblin, Monika S" sort="Doblin, Monika S" uniqKey="Doblin M" first="Monika S" last="Doblin">Monika S. Doblin</name>
<affiliation wicri:level="4"><nlm:affiliation>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010, Australia. Electronic address: msdoblin@unimelb.edu.au.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, The University of Melbourne, Parkville, VIC 3010</wicri:regionArea>
<orgName type="university">Université de Melbourne</orgName>
<placeName><settlement type="city">Melbourne</settlement>
<region type="état">Victoria (État)</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Wightman, Raymond" sort="Wightman, Raymond" uniqKey="Wightman R" first="Raymond" last="Wightman">Raymond Wightman</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK. Electronic address: raymond.wightman@slcu.cam.ac.uk.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR</wicri:regionArea>
<orgName type="university">Université de Cambridge</orgName>
<placeName><settlement type="city">Cambridge</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Angleterre de l'Est</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Meyerowitz, Elliot M" sort="Meyerowitz, Elliot M" uniqKey="Meyerowitz E" first="Elliot M" last="Meyerowitz">Elliot M. Meyerowitz</name>
<affiliation wicri:level="4"><nlm:affiliation>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Howard Hughes Medical Institute and Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA. Electronic address: meyerow@caltech.edu.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Sainsbury Laboratory, University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK; Howard Hughes Medical Institute and Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125</wicri:regionArea>
<placeName><region type="state">Californie</region>
<settlement type="city">Cambridge</settlement>
</placeName>
<orgName type="university">Université de Cambridge</orgName>
</affiliation>
</author>
</analytic>
<series><title level="j">Current biology : CB</title>
<idno type="eISSN">1879-0445</idno>
<imprint><date when="2016" type="published">2016</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The cell walls of the shoot apical meristem (SAM), containing the stem cell niche that gives rise to the above-ground tissues, are crucially involved in regulating differentiation. It is currently unknown how these walls are built and refined or their role, if any, in influencing meristem developmental dynamics. We have combined polysaccharide linkage analysis, immuno-labeling, and transcriptome profiling of the SAM to provide a spatiotemporal plan of the walls of this dynamic structure. We find that meristematic cells express only a core subset of 152 genes encoding cell wall glycosyltransferases (GTs). Systemic localization of all these GT mRNAs by in situ hybridization reveals members with either enrichment in or specificity to apical subdomains such as emerging flower primordia, and a large class with high expression in dividing cells. The highly localized and coordinated expression of GTs in the SAM suggests distinct wall properties of meristematic cells and specific differences between newly forming walls and their mature descendants. Functional analysis demonstrates that a subset of CSLD genes is essential for proper meristem maintenance, confirming the key role of walls in developmental pathways.</div>
</front>
</TEI>
</pubmed>
</double>
</record>
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