Mesoporosity changes from cambium to mature tension wood: a new step toward the understanding of maturation stress generation in trees.
Identifieur interne : 001C55 ( Main/Exploration ); précédent : 001C54; suivant : 001C56Mesoporosity changes from cambium to mature tension wood: a new step toward the understanding of maturation stress generation in trees.
Auteurs : Shan-Shan Chang [France] ; Françoise Quignard ; Tancrède Alméras ; Bruno ClairSource :
- The New phytologist [ 1469-8137 ] ; 2015.
Descripteurs français
- KwdFr :
- MESH :
- physiologie : Arbres, Bois, Cambium, Paroi cellulaire.
- Contrainte mécanique, Croisements génétiques, Modèles biologiques, Populus, Porosité.
English descriptors
- KwdEn :
- MESH :
- physiology : Cambium, Cell Wall, Trees, Wood.
- Crosses, Genetic, Models, Biological, Populus, Porosity, Stress, Mechanical.
Abstract
In order to progress in the understanding of mechanical stress generation, the mesoporosity of the cell wall and its changes during maturation of poplar (Populus deltoides × P. nigra) tension wood (TW) and opposite wood (OW) were measured by nitrogen adsorption-desorption. Variations in the thickness of the gelatinous layer (G-layer) were also measured to clarify whether the mesoporosity change simultaneously with the deposition of the G-layer in TW. Results show that mesoporous structures of TW and OW were very similar in early development stages before the deposition of G-layers. With the formation of the S₂ layer in OW and the G-layer in TW, the mesopore volume decreased steeply before lignification. However, in TW only, the decrease in mesopore volume occurred together with the pore shape change and a progressive increase in pore size. The different patterns observed in TW revealed that pores from G-layers appear with a different shape compared to those of the compound middle lamella, and their size increases during the maturation process until stabilising in mature wood. This observation strongly supports the hypothesis of the swelling of the G-layer matrix during maturation as the origin of maturation stress in poplar tension wood.
DOI: 10.1111/nph.13126
PubMed: 25377686
Affiliations:
Links toward previous steps (curation, corpus...)
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Bataillon, 34095, Montpellier, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire de Mécanique et Génie Civil (LMGC), CNRS, Université Montpellier 2, cc 048, Place E. 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Variations in the thickness of the gelatinous layer (G-layer) were also measured to clarify whether the mesoporosity change simultaneously with the deposition of the G-layer in TW. Results show that mesoporous structures of TW and OW were very similar in early development stages before the deposition of G-layers. With the formation of the S₂ layer in OW and the G-layer in TW, the mesopore volume decreased steeply before lignification. However, in TW only, the decrease in mesopore volume occurred together with the pore shape change and a progressive increase in pore size. The different patterns observed in TW revealed that pores from G-layers appear with a different shape compared to those of the compound middle lamella, and their size increases during the maturation process until stabilising in mature wood. This observation strongly supports the hypothesis of the swelling of the G-layer matrix during maturation as the origin of maturation stress in poplar tension wood.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25377686</PMID><DateCompleted><Year>2016</Year><Month>01</Month><Day>04</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>205</Volume><Issue>3</Issue><PubDate><Year>2015</Year><Month>Feb</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Mesoporosity changes from cambium to mature tension wood: a new step toward the understanding of maturation stress generation in trees.</ArticleTitle><Pagination><MedlinePgn>1277-87</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.13126</ELocationID><Abstract><AbstractText>In order to progress in the understanding of mechanical stress generation, the mesoporosity of the cell wall and its changes during maturation of poplar (Populus deltoides × P. nigra) tension wood (TW) and opposite wood (OW) were measured by nitrogen adsorption-desorption. Variations in the thickness of the gelatinous layer (G-layer) were also measured to clarify whether the mesoporosity change simultaneously with the deposition of the G-layer in TW. Results show that mesoporous structures of TW and OW were very similar in early development stages before the deposition of G-layers. With the formation of the S₂ layer in OW and the G-layer in TW, the mesopore volume decreased steeply before lignification. However, in TW only, the decrease in mesopore volume occurred together with the pore shape change and a progressive increase in pore size. The different patterns observed in TW revealed that pores from G-layers appear with a different shape compared to those of the compound middle lamella, and their size increases during the maturation process until stabilising in mature wood. This observation strongly supports the hypothesis of the swelling of the G-layer matrix during maturation as the origin of maturation stress in poplar tension wood.</AbstractText><CopyrightInformation>© 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Chang</LastName><ForeName>Shan-Shan</ForeName><Initials>SS</Initials><AffiliationInfo><Affiliation>Laboratoire de Mécanique et Génie Civil (LMGC), CNRS, Université Montpellier 2, cc 048, Place E. Bataillon, 34095, Montpellier, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Quignard</LastName><ForeName>Françoise</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Alméras</LastName><ForeName>Tancrède</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Clair</LastName><ForeName>Bruno</ForeName><Initials>B</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>11</Month><Day>06</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D058506" MajorTopicYN="N">Cambium</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002473" MajorTopicYN="N">Cell Wall</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003433" MajorTopicYN="N">Crosses, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="N">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016062" MajorTopicYN="N">Porosity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013314" MajorTopicYN="Y">Stress, Mechanical</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">cell wall maturation</Keyword><Keyword MajorTopicYN="N">maturation stress</Keyword><Keyword MajorTopicYN="N">mesoporosity</Keyword><Keyword MajorTopicYN="N">poplar (Populus deltoides × P. nigra)</Keyword><Keyword MajorTopicYN="N">tension wood</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>07</Month><Day>01</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>09</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>11</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>11</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>1</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">25377686</ArticleId><ArticleId IdType="doi">10.1111/nph.13126</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>France</li></country><region><li>Languedoc-Roussillon</li><li>Occitanie (région administrative)</li></region><settlement><li>Montpellier</li></settlement><orgName><li>Université Montpellier 2</li></orgName></list><tree><noCountry><name sortKey="Almeras, Tancrede" sort="Almeras, Tancrede" uniqKey="Almeras T" first="Tancrède" last="Alméras">Tancrède Alméras</name><name sortKey="Clair, Bruno" sort="Clair, Bruno" uniqKey="Clair B" first="Bruno" last="Clair">Bruno Clair</name><name sortKey="Quignard, Francoise" sort="Quignard, Francoise" uniqKey="Quignard F" first="Françoise" last="Quignard">Françoise Quignard</name></noCountry><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Chang, Shan Shan" sort="Chang, Shan Shan" uniqKey="Chang S" first="Shan-Shan" last="Chang">Shan-Shan Chang</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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