Lignification in poplar plantlets fed with deuterium-labelled lignin precursors.
Identifieur interne : 004127 ( Main/Exploration ); précédent : 004126; suivant : 004128Lignification in poplar plantlets fed with deuterium-labelled lignin precursors.
Auteurs : Christian Rolando [France] ; Nicolas Daubresse ; Brigitte Pollet ; Lise Jouanin ; Catherine LapierreSource :
- Comptes rendus biologies [ 1631-0691 ]
Descripteurs français
- KwdFr :
- MESH :
- administration et posologie : Cinnamates, Deutérium, Glucosides, Phénylpropionates.
- physiologie : Lignine, Populus, Pousses de plante.
English descriptors
- KwdEn :
- MESH :
- chemical , administration & dosage : Cinnamates, Deuterium, Glucosides, Phenylpropionates.
- chemical , physiology : Lignin.
- physiology : Plant Shoots, Populus.
Abstract
Lignification was investigated in wild-type (WT) and in transgenic poplar plantlets with a reduced caffeic acid O-methyl-transferase (COMT) activity. Coniferin and syringin, deuterated at their methoxyl, were incorporated into the culture medium of microcuttings. The gas chromatography-mass spectrometry (GC-MS) analysis of the thioacidolysis guaiacyl (G) and syringyl (S) lignin-derived monomers revealed that COMT deficiency altered stem lignification. GC-MS analysis proved that the deuterated precursors were incorporated into root lignins and, to a lower extent, in stem lignins without major effect on growth and lignification. Deuterium from coniferin was recovered in G and S lignin units, whereas deuterium from syringin was only found in S units, which further establishes that the conversion of G to S lignin precursors may occur at the level of p-OH cinnamyl alcohols.
DOI: 10.1016/j.crvi.2004.04.006
PubMed: 15587071
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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xml:lang="en"><term>Cinnamates</term><term>Deuterium</term><term>Glucosides</term><term>Phenylpropionates</term></keywords><keywords scheme="MESH" type="chemical" qualifier="physiology" xml:lang="en"><term>Lignin</term></keywords><keywords scheme="MESH" qualifier="administration et posologie" xml:lang="fr"><term>Cinnamates</term><term>Deutérium</term><term>Glucosides</term><term>Phénylpropionates</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Lignine</term><term>Populus</term><term>Pousses de plante</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Plant Shoots</term><term>Populus</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Lignification was investigated in wild-type (WT) and in transgenic poplar plantlets with a reduced caffeic acid O-methyl-transferase (COMT) activity. Coniferin and syringin, deuterated at their methoxyl, were incorporated into the culture medium of microcuttings. The gas chromatography-mass spectrometry (GC-MS) analysis of the thioacidolysis guaiacyl (G) and syringyl (S) lignin-derived monomers revealed that COMT deficiency altered stem lignification. GC-MS analysis proved that the deuterated precursors were incorporated into root lignins and, to a lower extent, in stem lignins without major effect on growth and lignification. Deuterium from coniferin was recovered in G and S lignin units, whereas deuterium from syringin was only found in S units, which further establishes that the conversion of G to S lignin precursors may occur at the level of p-OH cinnamyl alcohols.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15587071</PMID><DateCompleted><Year>2005</Year><Month>05</Month><Day>11</Day></DateCompleted><DateRevised><Year>2019</Year><Month>11</Month><Day>09</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1631-0691</ISSN><JournalIssue CitedMedium="Print"><Volume>327</Volume><Issue>9-10</Issue><PubDate><MedlineDate>2004 Sep-Oct</MedlineDate></PubDate></JournalIssue><Title>Comptes rendus biologies</Title><ISOAbbreviation>C R Biol</ISOAbbreviation></Journal><ArticleTitle>Lignification in poplar plantlets fed with deuterium-labelled lignin precursors.</ArticleTitle><Pagination><MedlinePgn>799-807</MedlinePgn></Pagination><Abstract><AbstractText>Lignification was investigated in wild-type (WT) and in transgenic poplar plantlets with a reduced caffeic acid O-methyl-transferase (COMT) activity. Coniferin and syringin, deuterated at their methoxyl, were incorporated into the culture medium of microcuttings. The gas chromatography-mass spectrometry (GC-MS) analysis of the thioacidolysis guaiacyl (G) and syringyl (S) lignin-derived monomers revealed that COMT deficiency altered stem lignification. GC-MS analysis proved that the deuterated precursors were incorporated into root lignins and, to a lower extent, in stem lignins without major effect on growth and lignification. Deuterium from coniferin was recovered in G and S lignin units, whereas deuterium from syringin was only found in S units, which further establishes that the conversion of G to S lignin precursors may occur at the level of p-OH cinnamyl alcohols.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Rolando</LastName><ForeName>Christian</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>UFR de Chimie, UPRESA CNRS 8009 'Chimie organique et macromoléculaire', Université des sciences et technologies de Lille (Lille-l), bât C4, 59655 Villeneuve d'Ascq cedex, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Daubresse</LastName><ForeName>Nicolas</ForeName><Initials>N</Initials></Author><Author ValidYN="Y"><LastName>Pollet</LastName><ForeName>Brigitte</ForeName><Initials>B</Initials></Author><Author ValidYN="Y"><LastName>Jouanin</LastName><ForeName>Lise</ForeName><Initials>L</Initials></Author><Author 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PubStatus="medline"><Year>2005</Year><Month>5</Month><Day>12</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2004</Year><Month>12</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15587071</ArticleId><ArticleId IdType="pii">S1631-0691(04)00171-4</ArticleId><ArticleId IdType="doi">10.1016/j.crvi.2004.04.006</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>France</li></country><region><li>Hauts-de-France</li><li>Nord-Pas-de-Calais</li></region><settlement><li>Villeneuve d'Ascq</li></settlement></list><tree><noCountry><name sortKey="Daubresse, Nicolas" sort="Daubresse, Nicolas" uniqKey="Daubresse N" first="Nicolas" last="Daubresse">Nicolas Daubresse</name><name sortKey="Jouanin, Lise" sort="Jouanin, Lise" uniqKey="Jouanin L" first="Lise" last="Jouanin">Lise Jouanin</name><name sortKey="Lapierre, Catherine" sort="Lapierre, Catherine" uniqKey="Lapierre C" first="Catherine" last="Lapierre">Catherine Lapierre</name><name sortKey="Pollet, Brigitte" sort="Pollet, Brigitte" uniqKey="Pollet B" first="Brigitte" last="Pollet">Brigitte Pollet</name></noCountry><country name="France"><region name="Hauts-de-France"><name sortKey="Rolando, Christian" sort="Rolando, Christian" uniqKey="Rolando C" first="Christian" last="Rolando">Christian Rolando</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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