Intra-annual cambial activity and carbon availability in stem of poplar.
Identifieur interne : 003583 ( Main/Exploration ); précédent : 003582; suivant : 003584Intra-annual cambial activity and carbon availability in stem of poplar.
Auteurs : Annie Deslauriers [Canada] ; Alessio Giovannelli ; Sergio Rossi ; Gaetano Castro ; Giuseppe Fragnelli ; Laura TraversiSource :
- Tree physiology [ 0829-318X ] ; 2009.
Descripteurs français
- KwdFr :
- Carbone (métabolisme), Différenciation cellulaire (physiologie), Modèles biologiques (MeSH), Métabolisme glucidique (physiologie), Populus (croissance et développement), Populus (cytologie), Populus (métabolisme), Tiges de plante (croissance et développement), Tiges de plante (cytologie), Tiges de plante (métabolisme), Xylème (croissance et développement), Xylème (cytologie), Xylème (métabolisme).
- MESH :
- croissance et développement : Populus, Tiges de plante, Xylème.
- cytologie : Populus, Tiges de plante, Xylème.
- métabolisme : Carbone, Populus, Tiges de plante, Xylème.
- physiologie : Différenciation cellulaire, Métabolisme glucidique.
- Modèles biologiques.
English descriptors
- KwdEn :
- Carbohydrate Metabolism (physiology), Carbon (metabolism), Cell Differentiation (physiology), Models, Biological (MeSH), Plant Stems (cytology), Plant Stems (growth & development), Plant Stems (metabolism), Populus (cytology), Populus (growth & development), Populus (metabolism), Xylem (cytology), Xylem (growth & development), Xylem (metabolism).
- MESH :
- chemical , metabolism : Carbon.
- cytology : Plant Stems, Populus, Xylem.
- growth & development : Plant Stems, Populus, Xylem.
- metabolism : Plant Stems, Populus, Xylem.
- physiology : Carbohydrate Metabolism, Cell Differentiation.
- Models, Biological.
Abstract
Cambial activity is influenced by many environmental and physiological factors and among them, carbon acts as a source of energy for the growing meristems. This work has focused on the intra-annual stem growth of poplar compared with the carbon available for xylogenesis processes in cambium and outer wood. The major stages of xylem production and differentiation in two poplar genotypes with different growth performances were considered. Monitoring of stem growth and leaf phenology combined with starch, nonstructural soluble sugars and water content in the stem was conducted from February to November 2006 in Populus x canadensis Moench 'I-214' and Populus deltoides Marsh. 'Dvina'. Anatomical analyses of wood formation were performed by measuring the width of the zones with differentiating and mature xylem. At the end of the growing period, wood density was assessed by microdensity analyses. Xylem differentiation at the top of the tree started at the beginning of April for both genotypes and proceeded down the stem at about 0.5 m day(-1), occurring almost at the same time as leaf opening. The rate of growth and wood density was superior in Dvina, but this higher productivity could not be explained by differences in the number of cambial initials and the duration of xylogenesis. However, the most productive poplar genotype showed higher glucose, fructose and sucrose content in the outer wood. The nonstructural soluble sugars available in the cambial zone followed the intra-annual pattern of xylem formation, with a higher concentration when the growth rate was maximum. The accumulations of nonstructural soluble sugars at a certain time during stem growth corresponded with a higher carbon availability to the actively growing meristems in the stem.
DOI: 10.1093/treephys/tpp061
PubMed: 19696052
Affiliations:
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Rossi</name></author><author><name sortKey="Castro, Gaetano" sort="Castro, Gaetano" uniqKey="Castro G" first="Gaetano" last="Castro">Gaetano Castro</name></author><author><name sortKey="Fragnelli, Giuseppe" sort="Fragnelli, Giuseppe" uniqKey="Fragnelli G" first="Giuseppe" last="Fragnelli">Giuseppe Fragnelli</name></author><author><name sortKey="Traversi, Laura" sort="Traversi, Laura" uniqKey="Traversi L" first="Laura" last="Traversi">Laura Traversi</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2009">2009</date><idno type="RBID">pubmed:19696052</idno><idno type="pmid">19696052</idno><idno type="doi">10.1093/treephys/tpp061</idno><idno type="wicri:Area/Main/Corpus">003474</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003474</idno><idno type="wicri:Area/Main/Curation">003474</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">003474</idno><idno 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uniqKey="Rossi S" first="Sergio" last="Rossi">Sergio Rossi</name></author><author><name sortKey="Castro, Gaetano" sort="Castro, Gaetano" uniqKey="Castro G" first="Gaetano" last="Castro">Gaetano Castro</name></author><author><name sortKey="Fragnelli, Giuseppe" sort="Fragnelli, Giuseppe" uniqKey="Fragnelli G" first="Giuseppe" last="Fragnelli">Giuseppe Fragnelli</name></author><author><name sortKey="Traversi, Laura" sort="Traversi, Laura" uniqKey="Traversi L" first="Laura" last="Traversi">Laura Traversi</name></author></analytic><series><title level="j">Tree physiology</title><idno type="ISSN">0829-318X</idno><imprint><date when="2009" type="published">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbohydrate Metabolism (physiology)</term><term>Carbon (metabolism)</term><term>Cell Differentiation (physiology)</term><term>Models, Biological (MeSH)</term><term>Plant Stems (cytology)</term><term>Plant Stems (growth & development)</term><term>Plant Stems (metabolism)</term><term>Populus (cytology)</term><term>Populus (growth & development)</term><term>Populus (metabolism)</term><term>Xylem (cytology)</term><term>Xylem (growth & development)</term><term>Xylem (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Carbone (métabolisme)</term><term>Différenciation cellulaire (physiologie)</term><term>Modèles biologiques (MeSH)</term><term>Métabolisme glucidique (physiologie)</term><term>Populus (croissance et développement)</term><term>Populus (cytologie)</term><term>Populus (métabolisme)</term><term>Tiges de plante (croissance et développement)</term><term>Tiges de plante (cytologie)</term><term>Tiges de plante (métabolisme)</term><term>Xylème (croissance et développement)</term><term>Xylème (cytologie)</term><term>Xylème (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Populus</term><term>Tiges de plante</term><term>Xylème</term></keywords><keywords scheme="MESH" qualifier="cytologie" xml:lang="fr"><term>Populus</term><term>Tiges de plante</term><term>Xylème</term></keywords><keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Plant Stems</term><term>Populus</term><term>Xylem</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Stems</term><term>Populus</term><term>Xylem</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Stems</term><term>Populus</term><term>Xylem</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Carbone</term><term>Populus</term><term>Tiges de plante</term><term>Xylème</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Différenciation cellulaire</term><term>Métabolisme glucidique</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Carbohydrate Metabolism</term><term>Cell Differentiation</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Models, Biological</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Modèles biologiques</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Cambial activity is influenced by many environmental and physiological factors and among them, carbon acts as a source of energy for the growing meristems. This work has focused on the intra-annual stem growth of poplar compared with the carbon available for xylogenesis processes in cambium and outer wood. The major stages of xylem production and differentiation in two poplar genotypes with different growth performances were considered. Monitoring of stem growth and leaf phenology combined with starch, nonstructural soluble sugars and water content in the stem was conducted from February to November 2006 in Populus x canadensis Moench 'I-214' and Populus deltoides Marsh. 'Dvina'. Anatomical analyses of wood formation were performed by measuring the width of the zones with differentiating and mature xylem. At the end of the growing period, wood density was assessed by microdensity analyses. Xylem differentiation at the top of the tree started at the beginning of April for both genotypes and proceeded down the stem at about 0.5 m day(-1), occurring almost at the same time as leaf opening. The rate of growth and wood density was superior in Dvina, but this higher productivity could not be explained by differences in the number of cambial initials and the duration of xylogenesis. However, the most productive poplar genotype showed higher glucose, fructose and sucrose content in the outer wood. The nonstructural soluble sugars available in the cambial zone followed the intra-annual pattern of xylem formation, with a higher concentration when the growth rate was maximum. The accumulations of nonstructural soluble sugars at a certain time during stem growth corresponded with a higher carbon availability to the actively growing meristems in the stem.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19696052</PMID><DateCompleted><Year>2010</Year><Month>01</Month><Day>13</Day></DateCompleted><DateRevised><Year>2009</Year><Month>09</Month><Day>24</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0829-318X</ISSN><JournalIssue CitedMedium="Print"><Volume>29</Volume><Issue>10</Issue><PubDate><Year>2009</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Intra-annual cambial activity and carbon availability in stem of poplar.</ArticleTitle><Pagination><MedlinePgn>1223-35</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpp061</ELocationID><Abstract><AbstractText>Cambial activity is influenced by many environmental and physiological factors and among them, carbon acts as a source of energy for the growing meristems. This work has focused on the intra-annual stem growth of poplar compared with the carbon available for xylogenesis processes in cambium and outer wood. The major stages of xylem production and differentiation in two poplar genotypes with different growth performances were considered. Monitoring of stem growth and leaf phenology combined with starch, nonstructural soluble sugars and water content in the stem was conducted from February to November 2006 in Populus x canadensis Moench 'I-214' and Populus deltoides Marsh. 'Dvina'. Anatomical analyses of wood formation were performed by measuring the width of the zones with differentiating and mature xylem. At the end of the growing period, wood density was assessed by microdensity analyses. Xylem differentiation at the top of the tree started at the beginning of April for both genotypes and proceeded down the stem at about 0.5 m day(-1), occurring almost at the same time as leaf opening. The rate of growth and wood density was superior in Dvina, but this higher productivity could not be explained by differences in the number of cambial initials and the duration of xylogenesis. However, the most productive poplar genotype showed higher glucose, fructose and sucrose content in the outer wood. The nonstructural soluble sugars available in the cambial zone followed the intra-annual pattern of xylem formation, with a higher concentration when the growth rate was maximum. The accumulations of nonstructural soluble sugars at a certain time during stem growth corresponded with a higher carbon availability to the actively growing meristems in the stem.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Deslauriers</LastName><ForeName>Annie</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Département des Sciences Fondamentales, Université du Québec à Chicoutimi, Chicoutimi, QC, Canada. annie_deslauriers@uqac.ca</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Giovannelli</LastName><ForeName>Alessio</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Rossi</LastName><ForeName>Sergio</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Castro</LastName><ForeName>Gaetano</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Fragnelli</LastName><ForeName>Giuseppe</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Traversi</LastName><ForeName>Laura</ForeName><Initials>L</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>2009</Year><Month>08</Month><Day>20</Day></ArticleDate></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D050260" MajorTopicYN="N">Carbohydrate Metabolism</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002454" MajorTopicYN="N">Cell Differentiation</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="N">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018547" MajorTopicYN="N">Plant Stems</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D052584" MajorTopicYN="N">Xylem</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2009</Year><Month>8</Month><Day>22</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2009</Year><Month>8</Month><Day>22</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>1</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">19696052</ArticleId><ArticleId IdType="pii">tpp061</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpp061</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country></list><tree><noCountry><name sortKey="Castro, Gaetano" sort="Castro, Gaetano" uniqKey="Castro G" first="Gaetano" last="Castro">Gaetano Castro</name><name sortKey="Fragnelli, Giuseppe" sort="Fragnelli, Giuseppe" uniqKey="Fragnelli G" first="Giuseppe" last="Fragnelli">Giuseppe Fragnelli</name><name sortKey="Giovannelli, Alessio" sort="Giovannelli, Alessio" uniqKey="Giovannelli A" first="Alessio" last="Giovannelli">Alessio Giovannelli</name><name sortKey="Rossi, Sergio" sort="Rossi, Sergio" uniqKey="Rossi S" first="Sergio" last="Rossi">Sergio Rossi</name><name sortKey="Traversi, Laura" sort="Traversi, Laura" uniqKey="Traversi L" first="Laura" last="Traversi">Laura Traversi</name></noCountry><country name="Canada"><noRegion><name sortKey="Deslauriers, Annie" sort="Deslauriers, Annie" uniqKey="Deslauriers A" first="Annie" last="Deslauriers">Annie Deslauriers</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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