Involvement of lignin and hormones in the response of woody poplar taproots to mechanical stress.
Identifieur interne : 002A11 ( Main/Exploration ); précédent : 002A10; suivant : 002A12Involvement of lignin and hormones in the response of woody poplar taproots to mechanical stress.
Auteurs : Dalila Trupiano [Italie] ; Antonino Di Iorio ; Antonio Montagnoli ; Bruno Lasserre ; Mariapina Rocco ; Alessandro Grosso ; Andrea Scaloni ; Mauro Marra ; Donato Chiatante ; Gabriella S. ScippaSource :
- Physiologia plantarum [ 1399-3054 ] ; 2012.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Facteur de croissance végétal, Lignine, Racines de plante.
- physiologie : Populus, Stress physiologique.
- Adaptation physiologique, Contrainte mécanique.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Lignin, Plant Growth Regulators.
- metabolism : Plant Roots.
- physiology : Populus, Stress, Physiological.
- Adaptation, Physiological, Stress, Mechanical.
Abstract
Mechanical stress is a widespread condition caused by numerous environmental factors that severely affect plant stability. In response to mechanical stress, plants have evolved complex response pathways able to detect mechanical perturbations and inducing a suite of modifications in order to improve anchorage. The response of woody roots to mechanical stresses has been studied mainly at the morphological and biomechanical level, whereas investigations on the factors triggering these important alterations are still at the initial stage. Populus has been widely used to study the response of stem to different mechanical stresses and, since it has the first forest tree genome to be decoded, represents a model woody plant for addressing questions on the mechanisms controlling adaptation of woody roots to changing environments. In this study, a morphological and physiological analysis was used to investigate factors controlling modifications in Populus nigra woody taproots subjected to mechanical stress. An experimental model analyzing spatial and temporal mechanical force distribution along the woody taproot axis enabled us to compare the events occurring in its above-, central- and below-bending sectors. Different morphogenetic responses and local variations of lignin and plant hormones content have been observed, and a relation with the distribution of the mechanical forces along the stressed woody taproots is hypothesized. We investigated the differences of the response to mechanical stress induction during the time; in this regard, we present data referring to the effect of mechanical stress on plant transition from its condition of winter dormancy to that of full vegetative activity.
DOI: 10.1111/j.1399-3054.2012.01601.x
PubMed: 22339039
Affiliations:
Links toward previous steps (curation, corpus...)
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Scippa</name></author></analytic><series><title level="j">Physiologia plantarum</title><idno type="eISSN">1399-3054</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Physiological (MeSH)</term><term>Lignin (metabolism)</term><term>Plant Growth Regulators (metabolism)</term><term>Plant Roots (metabolism)</term><term>Populus (physiology)</term><term>Stress, Mechanical (MeSH)</term><term>Stress, Physiological (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adaptation physiologique (MeSH)</term><term>Contrainte mécanique (MeSH)</term><term>Facteur de croissance végétal (métabolisme)</term><term>Lignine (métabolisme)</term><term>Populus (physiologie)</term><term>Racines de plante (métabolisme)</term><term>Stress physiologique (physiologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Lignin</term><term>Plant Growth Regulators</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Facteur de croissance végétal</term><term>Lignine</term><term>Racines de plante</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Populus</term><term>Stress physiologique</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Populus</term><term>Stress, Physiological</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adaptation, Physiological</term><term>Stress, Mechanical</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adaptation physiologique</term><term>Contrainte mécanique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Mechanical stress is a widespread condition caused by numerous environmental factors that severely affect plant stability. In response to mechanical stress, plants have evolved complex response pathways able to detect mechanical perturbations and inducing a suite of modifications in order to improve anchorage. The response of woody roots to mechanical stresses has been studied mainly at the morphological and biomechanical level, whereas investigations on the factors triggering these important alterations are still at the initial stage. Populus has been widely used to study the response of stem to different mechanical stresses and, since it has the first forest tree genome to be decoded, represents a model woody plant for addressing questions on the mechanisms controlling adaptation of woody roots to changing environments. In this study, a morphological and physiological analysis was used to investigate factors controlling modifications in Populus nigra woody taproots subjected to mechanical stress. An experimental model analyzing spatial and temporal mechanical force distribution along the woody taproot axis enabled us to compare the events occurring in its above-, central- and below-bending sectors. Different morphogenetic responses and local variations of lignin and plant hormones content have been observed, and a relation with the distribution of the mechanical forces along the stressed woody taproots is hypothesized. We investigated the differences of the response to mechanical stress induction during the time; in this regard, we present data referring to the effect of mechanical stress on plant transition from its condition of winter dormancy to that of full vegetative activity.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22339039</PMID><DateCompleted><Year>2013</Year><Month>02</Month><Day>06</Day></DateCompleted><DateRevised><Year>2012</Year><Month>08</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1399-3054</ISSN><JournalIssue CitedMedium="Internet"><Volume>146</Volume><Issue>1</Issue><PubDate><Year>2012</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Physiologia plantarum</Title><ISOAbbreviation>Physiol Plant</ISOAbbreviation></Journal><ArticleTitle>Involvement of lignin and hormones in the response of woody poplar taproots to mechanical stress.</ArticleTitle><Pagination><MedlinePgn>39-52</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1399-3054.2012.01601.x</ELocationID><Abstract><AbstractText>Mechanical stress is a widespread condition caused by numerous environmental factors that severely affect plant stability. In response to mechanical stress, plants have evolved complex response pathways able to detect mechanical perturbations and inducing a suite of modifications in order to improve anchorage. The response of woody roots to mechanical stresses has been studied mainly at the morphological and biomechanical level, whereas investigations on the factors triggering these important alterations are still at the initial stage. Populus has been widely used to study the response of stem to different mechanical stresses and, since it has the first forest tree genome to be decoded, represents a model woody plant for addressing questions on the mechanisms controlling adaptation of woody roots to changing environments. In this study, a morphological and physiological analysis was used to investigate factors controlling modifications in Populus nigra woody taproots subjected to mechanical stress. An experimental model analyzing spatial and temporal mechanical force distribution along the woody taproot axis enabled us to compare the events occurring in its above-, central- and below-bending sectors. Different morphogenetic responses and local variations of lignin and plant hormones content have been observed, and a relation with the distribution of the mechanical forces along the stressed woody taproots is hypothesized. We investigated the differences of the response to mechanical stress induction during the time; in this regard, we present data referring to the effect of mechanical stress on plant transition from its condition of winter dormancy to that of full vegetative activity.</AbstractText><CopyrightInformation>Copyright © Physiologia Plantarum 2012.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Trupiano</LastName><ForeName>Dalila</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Dipartimento di Scienze e Tecnologie per l'Ambiente e il Territorio, University of Molise, 86090 Pesche (IS), Italy.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Di Iorio</LastName><ForeName>Antonino</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Montagnoli</LastName><ForeName>Antonio</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Lasserre</LastName><ForeName>Bruno</ForeName><Initials>B</Initials></Author><Author ValidYN="Y"><LastName>Rocco</LastName><ForeName>Mariapina</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Grosso</LastName><ForeName>Alessandro</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Scaloni</LastName><ForeName>Andrea</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Marra</LastName><ForeName>Mauro</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Chiatante</LastName><ForeName>Donato</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Scippa</LastName><ForeName>Gabriella S</ForeName><Initials>GS</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>2012</Year><Month>04</Month><Day>10</Day></ArticleDate></Article><MedlineJournalInfo><Country>Denmark</Country><MedlineTA>Physiol Plant</MedlineTA><NlmUniqueID>1256322</NlmUniqueID><ISSNLinking>0031-9317</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010937">Plant Growth Regulators</NameOfSubstance></Chemical><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000222" MajorTopicYN="N">Adaptation, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010937" MajorTopicYN="N">Plant Growth Regulators</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013314" MajorTopicYN="N">Stress, Mechanical</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013312" MajorTopicYN="N">Stress, Physiological</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>2</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>2</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>2</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22339039</ArticleId><ArticleId IdType="doi">10.1111/j.1399-3054.2012.01601.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Italie</li></country></list><tree><noCountry><name sortKey="Chiatante, Donato" sort="Chiatante, Donato" uniqKey="Chiatante D" first="Donato" last="Chiatante">Donato Chiatante</name><name sortKey="Di Iorio, Antonino" sort="Di Iorio, Antonino" uniqKey="Di Iorio A" first="Antonino" last="Di Iorio">Antonino Di Iorio</name><name sortKey="Grosso, Alessandro" sort="Grosso, Alessandro" uniqKey="Grosso A" first="Alessandro" last="Grosso">Alessandro Grosso</name><name sortKey="Lasserre, Bruno" sort="Lasserre, Bruno" uniqKey="Lasserre B" first="Bruno" last="Lasserre">Bruno Lasserre</name><name sortKey="Marra, Mauro" sort="Marra, Mauro" uniqKey="Marra M" first="Mauro" last="Marra">Mauro Marra</name><name sortKey="Montagnoli, Antonio" sort="Montagnoli, Antonio" uniqKey="Montagnoli A" first="Antonio" last="Montagnoli">Antonio Montagnoli</name><name sortKey="Rocco, Mariapina" sort="Rocco, Mariapina" uniqKey="Rocco M" first="Mariapina" last="Rocco">Mariapina Rocco</name><name sortKey="Scaloni, Andrea" sort="Scaloni, Andrea" uniqKey="Scaloni A" first="Andrea" last="Scaloni">Andrea Scaloni</name><name sortKey="Scippa, Gabriella S" sort="Scippa, Gabriella S" uniqKey="Scippa G" first="Gabriella S" last="Scippa">Gabriella S. Scippa</name></noCountry><country name="Italie"><noRegion><name sortKey="Trupiano, Dalila" sort="Trupiano, Dalila" uniqKey="Trupiano D" first="Dalila" last="Trupiano">Dalila Trupiano</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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