PoplarV1, Main, Exploration, bibRecord, 000966

Facilitated delignification in CAD deficient transgenic poplar studied by confocal Raman spectroscopy imaging.

Identifieur interne : 000966 ( Main/Exploration ); précédent : 000965; suivant : 000967

Facilitated delignification in CAD deficient transgenic poplar studied by confocal Raman spectroscopy imaging.

Auteurs : Jana S. Segmehl [Suisse] ; Tobias Keplinger [Suisse] ; Artem Krasnobaev [Pays-Bas] ; John K. Berg [Suisse] ; Christoph Willa [Allemagne] ; Ingo Burgert [Suisse]

Source :

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy [ 1873-3557 ] ; 2019.

RBID : pubmed:30099316

Descripteurs français

KwdFr :
- Alcohol oxidoreductases (déficit), Analyse spectrale Raman (méthodes), Biomasse (MeSH), Lignine (analyse), Lignine (composition chimique), Populus (composition chimique), Populus (enzymologie), Protéines végétales (MeSH), Végétaux génétiquement modifiés (composition chimique), Végétaux génétiquement modifiés (enzymologie).
MESH :
- analyse : Lignine.
- composition chimique : Lignine, Populus, Végétaux génétiquement modifiés.
- déficit : Alcohol oxidoreductases.
- enzymologie : Populus, Végétaux génétiquement modifiés.
- méthodes : Analyse spectrale Raman.
- Biomasse, Protéines végétales.

English descriptors

KwdEn :
- Alcohol Oxidoreductases (deficiency), Biomass (MeSH), Lignin (analysis), Lignin (chemistry), Plant Proteins (MeSH), Plants, Genetically Modified (chemistry), Plants, Genetically Modified (enzymology), Populus (chemistry), Populus (enzymology), Spectrum Analysis, Raman (methods).
MESH :
- chemical , analysis : Lignin.
- chemical , chemistry : Lignin.
- chemical , deficiency : Alcohol Oxidoreductases.
- chemistry : Plants, Genetically Modified, Populus.
- enzymology : Plants, Genetically Modified, Populus.
- methods : Spectrum Analysis, Raman.
- Biomass, Plant Proteins.

Abstract

Lignocellulosic biomass represents the only renewable carbon resource which is available in sufficient amounts to be considered as an alternative for our fossil-based carbon economy. However, an efficient biochemical conversion of lignocellulosic feedstocks is hindered by the natural recalcitrance of the biomass as a result of a dense network of cellulose, hemicelluloses, and lignin. These polymeric interconnections make a pretreatment of the biomass necessary in order to enhance the susceptibility of the polysaccharides. Here, we report on a detailed analysis of the favourable influence of genetic engineering for two common delignification protocols for lignocellulosic biomass, namely acidic bleaching and soda pulping, on the example of CAD deficient poplar. The altered lignin structure of the transgenic poplar results in a significantly accelerated and more complete lignin removal at lower temperatures and shorter reaction times compared to wildtype poplar. To monitor the induced chemical and structural alterations at the tissue level, confocal Raman spectroscopy imaging, FT-IR spectroscopy, and X-ray diffraction were used.

DOI: 10.1016/j.saa.2018.07.080
PubMed: 30099316

Affiliations:

Links toward previous steps (curation, corpus...)

to stream Main, to step Corpus: 000D09
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Le document en format XML

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<series><title level="j">Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy</title>
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<term>Biomass (MeSH)</term>
<term>Lignin (analysis)</term>
<term>Lignin (chemistry)</term>
<term>Plant Proteins (MeSH)</term>
<term>Plants, Genetically Modified (chemistry)</term>
<term>Plants, Genetically Modified (enzymology)</term>
<term>Populus (chemistry)</term>
<term>Populus (enzymology)</term>
<term>Spectrum Analysis, Raman (methods)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Alcohol oxidoreductases (déficit)</term>
<term>Analyse spectrale Raman (méthodes)</term>
<term>Biomasse (MeSH)</term>
<term>Lignine (analyse)</term>
<term>Lignine (composition chimique)</term>
<term>Populus (composition chimique)</term>
<term>Populus (enzymologie)</term>
<term>Protéines végétales (MeSH)</term>
<term>Végétaux génétiquement modifiés (composition chimique)</term>
<term>Végétaux génétiquement modifiés (enzymologie)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Lignin</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Lignin</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="deficiency" xml:lang="en"><term>Alcohol Oxidoreductases</term>
</keywords>
<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Lignine</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Plants, Genetically Modified</term>
<term>Populus</term>
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<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Lignine</term>
<term>Populus</term>
<term>Végétaux génétiquement modifiés</term>
</keywords>
<keywords scheme="MESH" qualifier="déficit" xml:lang="fr"><term>Alcohol oxidoreductases</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Populus</term>
<term>Végétaux génétiquement modifiés</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Plants, Genetically Modified</term>
<term>Populus</term>
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<term>Plant Proteins</term>
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<front><div type="abstract" xml:lang="en">Lignocellulosic biomass represents the only renewable carbon resource which is available in sufficient amounts to be considered as an alternative for our fossil-based carbon economy. However, an efficient biochemical conversion of lignocellulosic feedstocks is hindered by the natural recalcitrance of the biomass as a result of a dense network of cellulose, hemicelluloses, and lignin. These polymeric interconnections make a pretreatment of the biomass necessary in order to enhance the susceptibility of the polysaccharides. Here, we report on a detailed analysis of the favourable influence of genetic engineering for two common delignification protocols for lignocellulosic biomass, namely acidic bleaching and soda pulping, on the example of CAD deficient poplar. The altered lignin structure of the transgenic poplar results in a significantly accelerated and more complete lignin removal at lower temperatures and shorter reaction times compared to wildtype poplar. To monitor the induced chemical and structural alterations at the tissue level, confocal Raman spectroscopy imaging, FT-IR spectroscopy, and X-ray diffraction were used.</div>
</front>
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<Abstract><AbstractText>Lignocellulosic biomass represents the only renewable carbon resource which is available in sufficient amounts to be considered as an alternative for our fossil-based carbon economy. However, an efficient biochemical conversion of lignocellulosic feedstocks is hindered by the natural recalcitrance of the biomass as a result of a dense network of cellulose, hemicelluloses, and lignin. These polymeric interconnections make a pretreatment of the biomass necessary in order to enhance the susceptibility of the polysaccharides. Here, we report on a detailed analysis of the favourable influence of genetic engineering for two common delignification protocols for lignocellulosic biomass, namely acidic bleaching and soda pulping, on the example of CAD deficient poplar. The altered lignin structure of the transgenic poplar results in a significantly accelerated and more complete lignin removal at lower temperatures and shorter reaction times compared to wildtype poplar. To monitor the induced chemical and structural alterations at the tissue level, confocal Raman spectroscopy imaging, FT-IR spectroscopy, and X-ray diffraction were used.</AbstractText>
<CopyrightInformation>Copyright © 2018 Elsevier B.V. All rights reserved.</CopyrightInformation>
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<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Segmehl</LastName>
<ForeName>Jana S</ForeName>
<Initials>JS</Initials>
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<Author ValidYN="Y"><LastName>Keplinger</LastName>
<ForeName>Tobias</ForeName>
<Initials>T</Initials>
<AffiliationInfo><Affiliation>Wood Materials Science, Institute for Building Materials (IfB), ETH Zürich, Stefano Franscini-Platz 3, 8093 Zürich, Switzerland; Applied Wood Materials Laboratory, EMPA - Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland. Electronic address: tkeplinger@ethz.ch.</Affiliation>
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<Author ValidYN="Y"><LastName>Krasnobaev</LastName>
<ForeName>Artem</ForeName>
<Initials>A</Initials>
<AffiliationInfo><Affiliation>Department of Toxicology, Wageningen University, Stippeneng 4, 6708, WE, Wageningen, the Netherlands.</Affiliation>
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<Author ValidYN="Y"><LastName>Berg</LastName>
<ForeName>John K</ForeName>
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<AffiliationInfo><Affiliation>Wood Materials Science, Institute for Building Materials (IfB), ETH Zürich, Stefano Franscini-Platz 3, 8093 Zürich, Switzerland; Applied Wood Materials Laboratory, EMPA - Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland.</Affiliation>
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<Author ValidYN="Y"><LastName>Willa</LastName>
<ForeName>Christoph</ForeName>
<Initials>C</Initials>
<AffiliationInfo><Affiliation>Laboratory for Multifunctional Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland; Center for Hybrid Nanostructures and Institute of Nanostructure and Solid State Physics, University of Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany.</Affiliation>
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<ISSNLinking>1386-1425</ISSNLinking>
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<NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance>
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<Chemical><RegistryNumber>9005-53-2</RegistryNumber>
<NameOfSubstance UI="D008031">Lignin</NameOfSubstance>
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<Chemical><RegistryNumber>EC 1.1.-</RegistryNumber>
<NameOfSubstance UI="D000429">Alcohol Oxidoreductases</NameOfSubstance>
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<Chemical><RegistryNumber>EC 1.1.1.195</RegistryNumber>
<NameOfSubstance UI="C018656">cinnamyl alcohol dehydrogenase</NameOfSubstance>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D000429" MajorTopicYN="N">Alcohol Oxidoreductases</DescriptorName>
<QualifierName UI="Q000172" MajorTopicYN="Y">deficiency</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName>
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<MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName>
<QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName>
<QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName>
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<MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D030821" MajorTopicYN="N">Plants, Genetically Modified</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName>
<QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName>
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<MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName>
<QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D013059" MajorTopicYN="N">Spectrum Analysis, Raman</DescriptorName>
<QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName>
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<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">CAD deficient poplar</Keyword>
<Keyword MajorTopicYN="N">Cellulose conformational change</Keyword>
<Keyword MajorTopicYN="N">Facilitated delignification</Keyword>
<Keyword MajorTopicYN="N">Lignocellulosic biomass</Keyword>
<Keyword MajorTopicYN="N">Raman spectroscopy imaging</Keyword>
<Keyword MajorTopicYN="N">X-ray diffraction</Keyword>
</KeywordList>
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<PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year>
<Month>04</Month>
<Day>09</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="revised"><Year>2018</Year>
<Month>07</Month>
<Day>25</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted"><Year>2018</Year>
<Month>07</Month>
<Day>28</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="pubmed"><Year>2018</Year>
<Month>8</Month>
<Day>14</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="medline"><Year>2018</Year>
<Month>12</Month>
<Day>12</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez"><Year>2018</Year>
<Month>8</Month>
<Day>13</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList><ArticleId IdType="pubmed">30099316</ArticleId>
<ArticleId IdType="pii">S1386-1425(18)30744-3</ArticleId>
<ArticleId IdType="doi">10.1016/j.saa.2018.07.080</ArticleId>
</ArticleIdList>
</PubmedData>
</pubmed>
<affiliations><list><country><li>Allemagne</li>
<li>Pays-Bas</li>
<li>Suisse</li>
</country>
<region><li>Gueldre (province)</li>
<li>Hambourg</li>
</region>
<settlement><li>Hambourg</li>
<li>Wageningue</li>
</settlement>
<orgName><li>Université de Wageningue</li>
</orgName>
</list>
<tree><country name="Suisse"><noRegion><name sortKey="Segmehl, Jana S" sort="Segmehl, Jana S" uniqKey="Segmehl J" first="Jana S" last="Segmehl">Jana S. Segmehl</name>
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<name sortKey="Berg, John K" sort="Berg, John K" uniqKey="Berg J" first="John K" last="Berg">John K. Berg</name>
<name sortKey="Burgert, Ingo" sort="Burgert, Ingo" uniqKey="Burgert I" first="Ingo" last="Burgert">Ingo Burgert</name>
<name sortKey="Keplinger, Tobias" sort="Keplinger, Tobias" uniqKey="Keplinger T" first="Tobias" last="Keplinger">Tobias Keplinger</name>
</country>
<country name="Pays-Bas"><region name="Gueldre (province)"><name sortKey="Krasnobaev, Artem" sort="Krasnobaev, Artem" uniqKey="Krasnobaev A" first="Artem" last="Krasnobaev">Artem Krasnobaev</name>
</region>
</country>
<country name="Allemagne"><region name="Hambourg"><name sortKey="Willa, Christoph" sort="Willa, Christoph" uniqKey="Willa C" first="Christoph" last="Willa">Christoph Willa</name>
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Facilitated delignification in CAD deficient transgenic poplar studied by confocal Raman spectroscopy imaging.

Facilitated delignification in CAD deficient transgenic poplar studied by confocal Raman spectroscopy imaging.

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