Cell Wall Modifications in Arabidopsis Plants with Altered α-l-Arabinofuranosidase Activity[C][W]
Identifieur interne : 000358 ( Ncbi/Checkpoint ); précédent : 000357; suivant : 000359Cell Wall Modifications in Arabidopsis Plants with Altered α-l-Arabinofuranosidase Activity[C][W]
Auteurs : Ricardo A. Chávez Montes ; Philippe Ranocha ; Yves Martinez ; Zoran Minic ; Lise Jouanin ; Mélanie Marquis ; Luc Saulnier ; Lynette M. Fulton ; Christopher S. Cobbett ; Frédérique Bitton ; Jean-Pierre Renou ; Alain Jauneau ; Deborah GoffnerSource :
- Plant Physiology [ 0032-0889 ] ; 2008.
Abstract
Although cell wall remodeling is an essential feature of plant growth and development, the underlying molecular mechanisms are poorly understood. This work describes the characterization of Arabidopsis (
Url:
DOI: 10.1104/pp.107.110023
PubMed: 18344421
PubMed Central: 2330305
Affiliations:
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PMC:2330305Le document en format XML
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-<sc>l</sc>
-Arabinofuranosidase Activity<xref ref-type="fn" rid="fn3">[C]</xref>
<xref ref-type="fn" rid="fn4">[W]</xref>
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<author><name sortKey="Martinez, Yves" sort="Martinez, Yves" uniqKey="Martinez Y" first="Yves" last="Martinez">Yves Martinez</name>
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<author><name sortKey="Minic, Zoran" sort="Minic, Zoran" uniqKey="Minic Z" first="Zoran" last="Minic">Zoran Minic</name>
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<author><name sortKey="Marquis, Melanie" sort="Marquis, Melanie" uniqKey="Marquis M" first="Mélanie" last="Marquis">Mélanie Marquis</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Cell Wall Modifications in Arabidopsis Plants with Altered <italic>α</italic>
-<sc>l</sc>
-Arabinofuranosidase Activity<xref ref-type="fn" rid="fn3">[C]</xref>
<xref ref-type="fn" rid="fn4">[W]</xref>
</title>
<author><name sortKey="Chavez Montes, Ricardo A" sort="Chavez Montes, Ricardo A" uniqKey="Chavez Montes R" first="Ricardo A." last="Chávez Montes">Ricardo A. Chávez Montes</name>
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<author><name sortKey="Ranocha, Philippe" sort="Ranocha, Philippe" uniqKey="Ranocha P" first="Philippe" last="Ranocha">Philippe Ranocha</name>
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<author><name sortKey="Martinez, Yves" sort="Martinez, Yves" uniqKey="Martinez Y" first="Yves" last="Martinez">Yves Martinez</name>
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<author><name sortKey="Minic, Zoran" sort="Minic, Zoran" uniqKey="Minic Z" first="Zoran" last="Minic">Zoran Minic</name>
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<author><name sortKey="Jouanin, Lise" sort="Jouanin, Lise" uniqKey="Jouanin L" first="Lise" last="Jouanin">Lise Jouanin</name>
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<author><name sortKey="Marquis, Melanie" sort="Marquis, Melanie" uniqKey="Marquis M" first="Mélanie" last="Marquis">Mélanie Marquis</name>
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<author><name sortKey="Saulnier, Luc" sort="Saulnier, Luc" uniqKey="Saulnier L" first="Luc" last="Saulnier">Luc Saulnier</name>
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<author><name sortKey="Fulton, Lynette M" sort="Fulton, Lynette M" uniqKey="Fulton L" first="Lynette M." last="Fulton">Lynette M. Fulton</name>
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<author><name sortKey="Cobbett, Christopher S" sort="Cobbett, Christopher S" uniqKey="Cobbett C" first="Christopher S." last="Cobbett">Christopher S. Cobbett</name>
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<author><name sortKey="Bitton, Frederique" sort="Bitton, Frederique" uniqKey="Bitton F" first="Frédérique" last="Bitton">Frédérique Bitton</name>
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<author><name sortKey="Renou, Jean Pierre" sort="Renou, Jean Pierre" uniqKey="Renou J" first="Jean-Pierre" last="Renou">Jean-Pierre Renou</name>
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<author><name sortKey="Jauneau, Alain" sort="Jauneau, Alain" uniqKey="Jauneau A" first="Alain" last="Jauneau">Alain Jauneau</name>
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<author><name sortKey="Goffner, Deborah" sort="Goffner, Deborah" uniqKey="Goffner D" first="Deborah" last="Goffner">Deborah Goffner</name>
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<series><title level="j">Plant Physiology</title>
<idno type="ISSN">0032-0889</idno>
<idno type="eISSN">1532-2548</idno>
<imprint><date when="2008">2008</date>
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<front><div type="abstract" xml:lang="en"><p>Although cell wall remodeling is an essential feature of plant growth and development, the underlying molecular mechanisms are poorly understood. This work describes the characterization of Arabidopsis (<italic>Arabidopsis thaliana</italic>
) plants with altered expression of ARAF1, a bifunctional <italic>α</italic>
-<sc>l</sc>
-arabinofuranosidase/<italic>β</italic>
-<sc>d</sc>
-xylosidase (At3g10740) belonging to family 51 glycosyl-hydrolases. <italic>ARAF1</italic>
was localized in several cell types in the vascular system of roots and stems, including xylem vessels and parenchyma cells surrounding the vessels, the cambium, and the phloem. <italic>araf1</italic>
T-DNA insertional mutants showed no visible phenotype, whereas transgenic plants that overexpressed ARAF1 exhibited a delay in inflorescence emergence and altered stem architecture. Although global monosaccharide analysis indicated only slight differences in cell wall composition in both mutant and overexpressing lines, immunolocalization experiments using anti-arabinan (LM6) and anti-xylan (LM10) antibodies indicated cell type-specific alterations in cell wall structure. In <italic>araf1</italic>
mutants, an increase in LM6 signal intensity was observed in the phloem, cambium, and xylem parenchyma in stems and roots, largely coinciding with <italic>ARAF1</italic>
expression sites. The ectopic overexpression of ARAF1 resulted in an increase in LM10 labeling in the secondary walls of interfascicular fibers and xylem vessels. The combined <italic>ARAF1</italic>
gene expression and immunolocalization studies suggest that arabinan-containing pectins are potential in vivo substrates of ARAF1 in Arabidopsis.</p>
</div>
</front>
</TEI>
<affiliations><list></list>
<tree><noCountry><name sortKey="Bitton, Frederique" sort="Bitton, Frederique" uniqKey="Bitton F" first="Frédérique" last="Bitton">Frédérique Bitton</name>
<name sortKey="Chavez Montes, Ricardo A" sort="Chavez Montes, Ricardo A" uniqKey="Chavez Montes R" first="Ricardo A." last="Chávez Montes">Ricardo A. Chávez Montes</name>
<name sortKey="Cobbett, Christopher S" sort="Cobbett, Christopher S" uniqKey="Cobbett C" first="Christopher S." last="Cobbett">Christopher S. Cobbett</name>
<name sortKey="Fulton, Lynette M" sort="Fulton, Lynette M" uniqKey="Fulton L" first="Lynette M." last="Fulton">Lynette M. Fulton</name>
<name sortKey="Goffner, Deborah" sort="Goffner, Deborah" uniqKey="Goffner D" first="Deborah" last="Goffner">Deborah Goffner</name>
<name sortKey="Jauneau, Alain" sort="Jauneau, Alain" uniqKey="Jauneau A" first="Alain" last="Jauneau">Alain Jauneau</name>
<name sortKey="Jouanin, Lise" sort="Jouanin, Lise" uniqKey="Jouanin L" first="Lise" last="Jouanin">Lise Jouanin</name>
<name sortKey="Marquis, Melanie" sort="Marquis, Melanie" uniqKey="Marquis M" first="Mélanie" last="Marquis">Mélanie Marquis</name>
<name sortKey="Martinez, Yves" sort="Martinez, Yves" uniqKey="Martinez Y" first="Yves" last="Martinez">Yves Martinez</name>
<name sortKey="Minic, Zoran" sort="Minic, Zoran" uniqKey="Minic Z" first="Zoran" last="Minic">Zoran Minic</name>
<name sortKey="Ranocha, Philippe" sort="Ranocha, Philippe" uniqKey="Ranocha P" first="Philippe" last="Ranocha">Philippe Ranocha</name>
<name sortKey="Renou, Jean Pierre" sort="Renou, Jean Pierre" uniqKey="Renou J" first="Jean-Pierre" last="Renou">Jean-Pierre Renou</name>
<name sortKey="Saulnier, Luc" sort="Saulnier, Luc" uniqKey="Saulnier L" first="Luc" last="Saulnier">Luc Saulnier</name>
</noCountry>
</tree>
</affiliations>
</record>
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