Enhanced expression of glutamine synthetase (GS1a) confers altered fibre and wood chemistry in field grown hybrid poplar (Populus tremula X alba) (717-1B4).
Identifieur interne : 002B05 ( Main/Exploration ); précédent : 002B04; suivant : 002B06Enhanced expression of glutamine synthetase (GS1a) confers altered fibre and wood chemistry in field grown hybrid poplar (Populus tremula X alba) (717-1B4).
Auteurs : Heather D. Coleman [États-Unis] ; Francisco M. Cánovas ; Huimin Man ; Edward G. Kirby ; Shawn D. MansfieldSource :
- Plant biotechnology journal [ 1467-7652 ] ; 2012.
Descripteurs français
- KwdFr :
- Bois (composition chimique), Croisements génétiques (MeSH), Glutamate-ammonia ligase (génétique), Glutamate-ammonia ligase (métabolisme), Hybridation génétique (MeSH), Lignine (métabolisme), Paroi cellulaire (métabolisme), Populus (croissance et développement), Populus (enzymologie), Populus (génétique), Végétaux génétiquement modifiés (MeSH).
- MESH :
- composition chimique : Bois.
- croissance et développement : Populus.
- enzymologie : Populus.
- génétique : Glutamate-ammonia ligase, Populus.
- métabolisme : Glutamate-ammonia ligase, Lignine, Paroi cellulaire.
- Croisements génétiques, Hybridation génétique, Végétaux génétiquement modifiés.
English descriptors
- KwdEn :
- Cell Wall (metabolism), Crosses, Genetic (MeSH), Glutamate-Ammonia Ligase (genetics), Glutamate-Ammonia Ligase (metabolism), Hybridization, Genetic (MeSH), Lignin (metabolism), Plants, Genetically Modified (MeSH), Populus (enzymology), Populus (genetics), Populus (growth & development), Wood (chemistry).
- MESH :
- chemical , genetics : Glutamate-Ammonia Ligase.
- chemistry : Wood.
- enzymology : Populus.
- genetics : Populus.
- growth & development : Populus.
- metabolism : Cell Wall, Glutamate-Ammonia Ligase, Lignin.
- Crosses, Genetic, Hybridization, Genetic, Plants, Genetically Modified.
Abstract
Hybrid poplar (Populus tremula X P. alba) genetically engineered to express the pine cytosolic glutamine synthetase gene (GS1a) has been previously shown to display desirable field performance characteristics, including enhancements in growth and nitrogen use efficiency. Analysis of wood samples from a 3-year-old field trial of three independently transformed GS1a transgenic hybrid poplar lines revealed that, when compared with wild-type controls, ectopic expression of GS1a resulted in alterations in wood properties and wood chemistry. Included were significant enhancements in wood fibre length, wood density, microfibre angle, per cent syringyl lignin and elevated concentrations of wood sugars, specifically glucose, galactose, mannose and xylose. Total extractive content and acid-insoluble lignin were significantly reduced in wood of GS1a transgenics when compared with wild-type trees. Together, these cell wall characteristics resulted in improved wood pulping attributes, including improved lignin solubilization with no concurrent decrease in yield. Trees with increased GS1a expression have improved characteristics for pulp and paper production and hold potential as a feedstock for biofuels production.
DOI: 10.1111/j.1467-7652.2012.00714.x
PubMed: 22672155
Affiliations:
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Cánovas</name></author><author><name sortKey="Man, Huimin" sort="Man, Huimin" uniqKey="Man H" first="Huimin" last="Man">Huimin Man</name></author><author><name sortKey="Kirby, Edward G" sort="Kirby, Edward G" uniqKey="Kirby E" first="Edward G" last="Kirby">Edward G. Kirby</name></author><author><name sortKey="Mansfield, Shawn D" sort="Mansfield, Shawn D" uniqKey="Mansfield S" first="Shawn D" last="Mansfield">Shawn D. 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Coleman</name><affiliation wicri:level="2"><nlm:affiliation>Department of Biology, Syracuse University, Syracuse, NY, USA. hcoleman@syr.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biology, Syracuse University, Syracuse, NY</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author><author><name sortKey="Canovas, Francisco M" sort="Canovas, Francisco M" uniqKey="Canovas F" first="Francisco M" last="Cánovas">Francisco M. Cánovas</name></author><author><name sortKey="Man, Huimin" sort="Man, Huimin" uniqKey="Man H" first="Huimin" last="Man">Huimin Man</name></author><author><name sortKey="Kirby, Edward G" sort="Kirby, Edward G" uniqKey="Kirby E" first="Edward G" last="Kirby">Edward G. Kirby</name></author><author><name sortKey="Mansfield, Shawn D" sort="Mansfield, Shawn D" uniqKey="Mansfield S" first="Shawn D" last="Mansfield">Shawn D. Mansfield</name></author></analytic><series><title level="j">Plant biotechnology journal</title><idno type="eISSN">1467-7652</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cell Wall (metabolism)</term><term>Crosses, Genetic (MeSH)</term><term>Glutamate-Ammonia Ligase (genetics)</term><term>Glutamate-Ammonia Ligase (metabolism)</term><term>Hybridization, Genetic (MeSH)</term><term>Lignin (metabolism)</term><term>Plants, Genetically Modified (MeSH)</term><term>Populus (enzymology)</term><term>Populus (genetics)</term><term>Populus (growth & development)</term><term>Wood (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Bois (composition chimique)</term><term>Croisements génétiques (MeSH)</term><term>Glutamate-ammonia ligase (génétique)</term><term>Glutamate-ammonia ligase (métabolisme)</term><term>Hybridation génétique (MeSH)</term><term>Lignine (métabolisme)</term><term>Paroi cellulaire (métabolisme)</term><term>Populus (croissance et développement)</term><term>Populus (enzymologie)</term><term>Populus (génétique)</term><term>Végétaux génétiquement modifiés (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Glutamate-Ammonia Ligase</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Wood</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Bois</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Glutamate-ammonia ligase</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Cell Wall</term><term>Glutamate-Ammonia Ligase</term><term>Lignin</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Glutamate-ammonia ligase</term><term>Lignine</term><term>Paroi cellulaire</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Crosses, Genetic</term><term>Hybridization, Genetic</term><term>Plants, Genetically Modified</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Croisements génétiques</term><term>Hybridation génétique</term><term>Végétaux génétiquement modifiés</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Hybrid poplar (Populus tremula X P. alba) genetically engineered to express the pine cytosolic glutamine synthetase gene (GS1a) has been previously shown to display desirable field performance characteristics, including enhancements in growth and nitrogen use efficiency. Analysis of wood samples from a 3-year-old field trial of three independently transformed GS1a transgenic hybrid poplar lines revealed that, when compared with wild-type controls, ectopic expression of GS1a resulted in alterations in wood properties and wood chemistry. Included were significant enhancements in wood fibre length, wood density, microfibre angle, per cent syringyl lignin and elevated concentrations of wood sugars, specifically glucose, galactose, mannose and xylose. Total extractive content and acid-insoluble lignin were significantly reduced in wood of GS1a transgenics when compared with wild-type trees. Together, these cell wall characteristics resulted in improved wood pulping attributes, including improved lignin solubilization with no concurrent decrease in yield. Trees with increased GS1a expression have improved characteristics for pulp and paper production and hold potential as a feedstock for biofuels production.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22672155</PMID><DateCompleted><Year>2013</Year><Month>03</Month><Day>29</Day></DateCompleted><DateRevised><Year>2012</Year><Month>08</Month><Day>06</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1467-7652</ISSN><JournalIssue CitedMedium="Internet"><Volume>10</Volume><Issue>7</Issue><PubDate><Year>2012</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Plant biotechnology journal</Title><ISOAbbreviation>Plant Biotechnol J</ISOAbbreviation></Journal><ArticleTitle>Enhanced expression of glutamine synthetase (GS1a) confers altered fibre and wood chemistry in field grown hybrid poplar (Populus tremula X alba) (717-1B4).</ArticleTitle><Pagination><MedlinePgn>883-9</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1467-7652.2012.00714.x</ELocationID><Abstract><AbstractText>Hybrid poplar (Populus tremula X P. alba) genetically engineered to express the pine cytosolic glutamine synthetase gene (GS1a) has been previously shown to display desirable field performance characteristics, including enhancements in growth and nitrogen use efficiency. Analysis of wood samples from a 3-year-old field trial of three independently transformed GS1a transgenic hybrid poplar lines revealed that, when compared with wild-type controls, ectopic expression of GS1a resulted in alterations in wood properties and wood chemistry. Included were significant enhancements in wood fibre length, wood density, microfibre angle, per cent syringyl lignin and elevated concentrations of wood sugars, specifically glucose, galactose, mannose and xylose. Total extractive content and acid-insoluble lignin were significantly reduced in wood of GS1a transgenics when compared with wild-type trees. Together, these cell wall characteristics resulted in improved wood pulping attributes, including improved lignin solubilization with no concurrent decrease in yield. Trees with increased GS1a expression have improved characteristics for pulp and paper production and hold potential as a feedstock for biofuels production.</AbstractText><CopyrightInformation>© 2012 The Authors. Plant Biotechnology Journal © 2012 Society for Experimental Biology, Association of Applied Biologists and Blackwell Publishing Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Coleman</LastName><ForeName>Heather D</ForeName><Initials>HD</Initials><AffiliationInfo><Affiliation>Department of Biology, Syracuse University, Syracuse, NY, USA. hcoleman@syr.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cánovas</LastName><ForeName>Francisco M</ForeName><Initials>FM</Initials></Author><Author ValidYN="Y"><LastName>Man</LastName><ForeName>Huimin</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Kirby</LastName><ForeName>Edward G</ForeName><Initials>EG</Initials></Author><Author ValidYN="Y"><LastName>Mansfield</LastName><ForeName>Shawn D</ForeName><Initials>SD</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>06</Month><Day>02</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Plant Biotechnol J</MedlineTA><NlmUniqueID>101201889</NlmUniqueID><ISSNLinking>1467-7644</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 6.3.1.2</RegistryNumber><NameOfSubstance UI="D005974">Glutamate-Ammonia Ligase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002473" MajorTopicYN="N">Cell Wall</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003433" MajorTopicYN="N">Crosses, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005974" MajorTopicYN="N">Glutamate-Ammonia Ligase</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006824" MajorTopicYN="N">Hybridization, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D030821" MajorTopicYN="N">Plants, Genetically Modified</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="Y">enzymology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>6</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>6</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>3</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22672155</ArticleId><ArticleId IdType="doi">10.1111/j.1467-7652.2012.00714.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>État de New York</li></region></list><tree><noCountry><name sortKey="Canovas, Francisco M" sort="Canovas, Francisco M" uniqKey="Canovas F" first="Francisco M" last="Cánovas">Francisco M. Cánovas</name><name sortKey="Kirby, Edward G" sort="Kirby, Edward G" uniqKey="Kirby E" first="Edward G" last="Kirby">Edward G. Kirby</name><name sortKey="Man, Huimin" sort="Man, Huimin" uniqKey="Man H" first="Huimin" last="Man">Huimin Man</name><name sortKey="Mansfield, Shawn D" sort="Mansfield, Shawn D" uniqKey="Mansfield S" first="Shawn D" last="Mansfield">Shawn D. Mansfield</name></noCountry><country name="États-Unis"><region name="État de New York"><name sortKey="Coleman, Heather D" sort="Coleman, Heather D" uniqKey="Coleman H" first="Heather D" last="Coleman">Heather D. Coleman</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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