Acetylesterase-Mediated Deacetylation of Pectin Impairs Cell Elongation, Pollen Germination, and Plant Reproduction[C][W]
Identifieur interne : 000D69 ( Pmc/Checkpoint ); précédent : 000D68; suivant : 000D70Acetylesterase-Mediated Deacetylation of Pectin Impairs Cell Elongation, Pollen Germination, and Plant Reproduction[C][W]
Auteurs : Jin-Ying Gou [États-Unis] ; Lisa M. Miller [États-Unis] ; Guichuan Hou [États-Unis] ; Xiao-Hong Yu [États-Unis] ; Xiao-Ya Chen [République populaire de Chine] ; Chang-Jun Liu [États-Unis]Source :
- The Plant Cell [ 1040-4651 ] ; 2012.
Abstract
Some sugar residues of the pectinaceous polysaccharide backbone of primary cell walls are acetylated. This study identifies and characterizes a
Url:
DOI: 10.1105/tpc.111.092411
PubMed: 22247250
PubMed Central: 3289554
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Acetylesterase-Mediated Deacetylation of Pectin Impairs Cell Elongation, Pollen Germination, and Plant Reproduction<xref ref-type="author-notes" rid="fn1"><sup>[C]</sup></xref><xref ref-type="author-notes" rid="fn2"><sup>[W]</sup></xref></title><author><name sortKey="Gou, Jin Ying" sort="Gou, Jin Ying" uniqKey="Gou J" first="Jin-Ying" last="Gou">Jin-Ying Gou</name><affiliation wicri:level="2"><nlm:aff id="aff1">Biology Department, Brookhaven National Laboratory, Upton, New York 11973</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Biology Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author><author><name sortKey="Miller, Lisa M" sort="Miller, Lisa M" uniqKey="Miller L" first="Lisa M." last="Miller">Lisa M. Miller</name><affiliation wicri:level="2"><nlm:aff id="aff2">National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>National Synchrotron Light Source, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author><author><name sortKey="Hou, Guichuan" sort="Hou, Guichuan" uniqKey="Hou G" first="Guichuan" last="Hou">Guichuan Hou</name><affiliation wicri:level="2"><nlm:aff id="aff3">Appalachian State University, Boone, North Carolina 28608-2027</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Caroline du Nord</region></placeName><wicri:cityArea>Appalachian State University, Boone</wicri:cityArea></affiliation></author><author><name sortKey="Yu, Xiao Hong" sort="Yu, Xiao Hong" uniqKey="Yu X" first="Xiao-Hong" last="Yu">Xiao-Hong Yu</name><affiliation wicri:level="2"><nlm:aff id="aff1">Biology Department, Brookhaven National Laboratory, Upton, New York 11973</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Biology Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author><author><name sortKey="Chen, Xiao Ya" sort="Chen, Xiao Ya" uniqKey="Chen X" first="Xiao-Ya" last="Chen">Xiao-Ya Chen</name><affiliation wicri:level="1"><nlm:aff id="aff4">National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Shanghai 200032, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Shanghai 200032</wicri:regionArea><wicri:noRegion>Shanghai 200032</wicri:noRegion></affiliation></author><author><name sortKey="Liu, Chang Jun" sort="Liu, Chang Jun" uniqKey="Liu C" first="Chang-Jun" last="Liu">Chang-Jun Liu</name><affiliation wicri:level="2"><nlm:aff id="aff1">Biology Department, Brookhaven National Laboratory, Upton, New York 11973</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Biology Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">22247250</idno><idno type="pmc">3289554</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3289554</idno><idno type="RBID">PMC:3289554</idno><idno type="doi">10.1105/tpc.111.092411</idno><date when="2012">2012</date><idno type="wicri:Area/Pmc/Corpus">000C83</idno><idno type="wicri:Area/Pmc/Curation">000C82</idno><idno type="wicri:Area/Pmc/Checkpoint">000D69</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Acetylesterase-Mediated Deacetylation of Pectin Impairs Cell Elongation, Pollen Germination, and Plant Reproduction<xref ref-type="author-notes" rid="fn1"><sup>[C]</sup></xref><xref ref-type="author-notes" rid="fn2"><sup>[W]</sup></xref></title><author><name sortKey="Gou, Jin Ying" sort="Gou, Jin Ying" uniqKey="Gou J" first="Jin-Ying" last="Gou">Jin-Ying Gou</name><affiliation wicri:level="2"><nlm:aff id="aff1">Biology Department, Brookhaven National Laboratory, Upton, New York 11973</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Biology Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author><author><name sortKey="Miller, Lisa M" sort="Miller, Lisa M" uniqKey="Miller L" first="Lisa M." last="Miller">Lisa M. Miller</name><affiliation wicri:level="2"><nlm:aff id="aff2">National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>National Synchrotron Light Source, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author><author><name sortKey="Hou, Guichuan" sort="Hou, Guichuan" uniqKey="Hou G" first="Guichuan" last="Hou">Guichuan Hou</name><affiliation wicri:level="2"><nlm:aff id="aff3">Appalachian State University, Boone, North Carolina 28608-2027</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Caroline du Nord</region></placeName><wicri:cityArea>Appalachian State University, Boone</wicri:cityArea></affiliation></author><author><name sortKey="Yu, Xiao Hong" sort="Yu, Xiao Hong" uniqKey="Yu X" first="Xiao-Hong" last="Yu">Xiao-Hong Yu</name><affiliation wicri:level="2"><nlm:aff id="aff1">Biology Department, Brookhaven National Laboratory, Upton, New York 11973</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Biology Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author><author><name sortKey="Chen, Xiao Ya" sort="Chen, Xiao Ya" uniqKey="Chen X" first="Xiao-Ya" last="Chen">Xiao-Ya Chen</name><affiliation wicri:level="1"><nlm:aff id="aff4">National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Shanghai 200032, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Shanghai 200032</wicri:regionArea><wicri:noRegion>Shanghai 200032</wicri:noRegion></affiliation></author><author><name sortKey="Liu, Chang Jun" sort="Liu, Chang Jun" uniqKey="Liu C" first="Chang-Jun" last="Liu">Chang-Jun Liu</name><affiliation wicri:level="2"><nlm:aff id="aff1">Biology Department, Brookhaven National Laboratory, Upton, New York 11973</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">État de New York</region></placeName><wicri:cityArea>Biology Department, Brookhaven National Laboratory, Upton</wicri:cityArea></affiliation></author></analytic><series><title level="j">The Plant Cell</title><idno type="ISSN">1040-4651</idno><idno type="eISSN">1532-298X</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Some sugar residues of the pectinaceous polysaccharide backbone of primary cell walls are acetylated. This study identifies and characterizes a <italic>Populus</italic> pectin acetylesterase that liberates acetylesters from polysaccharides and unveils its biological roles in planta as a structural regulator of cell wall extensibility and digestibility that affects plant growth, development, and reproduction.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Plant Cell</journal-id><journal-id journal-id-type="hwp">plantcell</journal-id><journal-id journal-id-type="publisher-id">aspb</journal-id><journal-title-group><journal-title>The Plant Cell</journal-title></journal-title-group><issn pub-type="ppub">1040-4651</issn><issn pub-type="epub">1532-298X</issn><publisher><publisher-name>American Society of Plant Biologists</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">22247250</article-id><article-id pub-id-type="pmc">3289554</article-id><article-id pub-id-type="publisher-id">092411</article-id><article-id pub-id-type="doi">10.1105/tpc.111.092411</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Articles</subject></subj-group></article-categories><title-group><article-title>Acetylesterase-Mediated Deacetylation of Pectin Impairs Cell Elongation, Pollen Germination, and Plant Reproduction<xref ref-type="author-notes" rid="fn1"><sup>[C]</sup></xref><xref ref-type="author-notes" rid="fn2"><sup>[W]</sup></xref></article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Gou</surname><given-names>Jin-Ying</given-names></name><xref ref-type="aff" rid="aff1"><sup>a</sup></xref></contrib><contrib contrib-type="author"><name><surname>Miller</surname><given-names>Lisa M.</given-names></name><xref ref-type="aff" rid="aff2"><sup>b</sup></xref></contrib><contrib contrib-type="author"><name><surname>Hou</surname><given-names>Guichuan</given-names></name><xref ref-type="aff" rid="aff3"><sup>c</sup></xref></contrib><contrib contrib-type="author"><name><surname>Yu</surname><given-names>Xiao-Hong</given-names></name><xref ref-type="aff" rid="aff1"><sup>a</sup></xref></contrib><contrib contrib-type="author"><name><surname>Chen</surname><given-names>Xiao-Ya</given-names></name><xref ref-type="aff" rid="aff4"><sup>d</sup></xref></contrib><contrib contrib-type="author"><name><surname>Liu</surname><given-names>Chang-Jun</given-names></name><xref ref-type="aff" rid="aff1"><sup>a</sup></xref><xref ref-type="corresp" rid="cor1"><sup>1</sup></xref></contrib><aff id="aff1"><label>a</label>Biology Department, Brookhaven National Laboratory, Upton, New York 11973</aff><aff id="aff2"><label>b</label>National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973</aff><aff id="aff3"><label>c</label>Appalachian State University, Boone, North Carolina 28608-2027</aff><aff id="aff4"><label>d</label>National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Shanghai 200032, China</aff></contrib-group><author-notes><corresp id="cor1"><label>1</label>Address correspondence to <email>cliu@bnl.gov</email>.</corresp><fn><p>The author responsible for distribution of materials integral to the findings presented in this article in accordance with the policy described in the Instructions for Authors (<ext-link ext-link-type="uri" xlink:href="www.plantcell.org">www.plantcell.org</ext-link>) is: Chang-Jun Liu (<email>cliu@bnl.gov</email>).</p></fn><fn id="fn1"><label>[C]</label><p>Some figures in this article are displayed in color online but in black and white in the print edition.</p></fn><fn id="fn2"><label>[W]</label><p>Online version contains Web-only data.</p></fn><fn><p><ext-link ext-link-type="uri" xlink:href="www.plantcell.org/cgi/doi/10.1105/tpc.111.092411">www.plantcell.org/cgi/doi/10.1105/tpc.111.092411</ext-link></p></fn></author-notes><pmc-comment>Fake ppub date generated by PMC from publisher pub-date/@pub-type='epub-ppub' </pmc-comment>
<pub-date pub-type="ppub"><month>1</month><year>2012</year></pub-date><pub-date pub-type="epub"><day>13</day><month>1</month><year>2012</year></pub-date><volume>24</volume><issue>1</issue><fpage>50</fpage><lpage>65</lpage><history><date date-type="received"><day>7</day><month>10</month><year>2011</year></date><date date-type="rev-recd"><day>2</day><month>12</month><year>2011</year></date><date date-type="accepted"><day>22</day><month>12</month><year>2011</year></date></history><permissions><copyright-statement>© 2012 American Society of Plant Biologists. All rights reserved.</copyright-statement><copyright-year>2012</copyright-year></permissions><abstract abstract-type="precis"><p>Some sugar residues of the pectinaceous polysaccharide backbone of primary cell walls are acetylated. This study identifies and characterizes a <italic>Populus</italic> pectin acetylesterase that liberates acetylesters from polysaccharides and unveils its biological roles in planta as a structural regulator of cell wall extensibility and digestibility that affects plant growth, development, and reproduction.</p></abstract><abstract><p>Pectin is a major component of the primary cell wall of higher plants. Some galacturonyl residues in the backbone of pectinaceous polysaccharides are often <italic>O</italic>-acetylated at the C-2 or C-3 position, and the resulting acetylesters change dynamically during the growth and development of plants. The processes involve both enzymatic acetylation and deacetylation. Through genomic sequence analysis, we identified a pectin acetylesterase (PAE1) from black cottonwood (<italic>Populus trichocarpa</italic>). Recombinant Pt PAE1 exhibited preferential activity in releasing the acetate moiety from sugar beet (<italic>Beta vulgaris</italic>) and potato (<italic>Solanum tuberosum</italic>) pectin in vitro. Overexpressing Pt <italic>PAE1</italic> in tobacco (<italic>Nicotiana tabacum</italic>) decreased the level of acetyl esters of pectin but not of xylan. Deacetylation engendered differential changes in the composition and/or structure of cell wall polysaccharides that subsequently impaired the cellular elongation of floral styles and filaments, the germination of pollen grains, and the growth of pollen tubes. Consequently, plants overexpressing <italic>PAE1</italic> exhibited severe male sterility. Furthermore, in contrast to the conventional view, <italic>PAE1</italic>-mediated deacetylation substantially lowered the digestibility of pectin. Our data suggest that pectin acetylesterase functions as an important structural regulator in planta by modulating the precise status of pectin acetylation to affect the remodeling and physiochemical properties of the cell wall's polysaccharides, thereby affecting cell extensibility.</p></abstract></article-meta></front></pmc><affiliations><list><country><li>République populaire de Chine</li><li>États-Unis</li></country><region><li>Caroline du Nord</li><li>État de New York</li></region></list><tree><country name="États-Unis"><region name="État de New York"><name sortKey="Gou, Jin Ying" sort="Gou, Jin Ying" uniqKey="Gou J" first="Jin-Ying" last="Gou">Jin-Ying Gou</name></region><name sortKey="Hou, Guichuan" sort="Hou, Guichuan" uniqKey="Hou G" first="Guichuan" last="Hou">Guichuan Hou</name><name sortKey="Liu, Chang Jun" sort="Liu, Chang Jun" uniqKey="Liu C" first="Chang-Jun" last="Liu">Chang-Jun Liu</name><name sortKey="Miller, Lisa M" sort="Miller, Lisa M" uniqKey="Miller L" first="Lisa M." last="Miller">Lisa M. Miller</name><name sortKey="Yu, Xiao Hong" sort="Yu, Xiao Hong" uniqKey="Yu X" first="Xiao-Hong" last="Yu">Xiao-Hong Yu</name></country><country name="République populaire de Chine"><noRegion><name sortKey="Chen, Xiao Ya" sort="Chen, Xiao Ya" uniqKey="Chen X" first="Xiao-Ya" last="Chen">Xiao-Ya Chen</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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