Transcriptional profiles of the annual growth cycle in Populus deltoides.
Identifieur interne : 003775 ( Main/Exploration ); précédent : 003774; suivant : 003776Transcriptional profiles of the annual growth cycle in Populus deltoides.
Auteurs : Sunchung Park [États-Unis] ; Daniel E. Keathley ; Kyung-Hwan HanSource :
- Tree physiology [ 0829-318X ] ; 2008.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Arbres, Populus.
- métabolisme : Arbres, Populus, Tiges de plante.
- Adaptation physiologique, Analyse de profil d'expression de gènes, Environnement contrôlé, Saisons.
English descriptors
- KwdEn :
- MESH :
- growth & development : Populus, Trees.
- metabolism : Plant Stems, Populus, Trees.
- Adaptation, Physiological, Environment, Controlled, Gene Expression Profiling, Seasons.
Abstract
Cycling between vegetative growth and dormancy is an important adaptive mechanism in temperate woody plants. To gain insights into the underlying molecular mechanisms, we carried out global transcription analyses on stem samples from poplar (Populus deltoides Bartr. ex Marsh.) trees grown in the field and in controlled environments. Among seasonal changes in the transcriptome, up-regulation of defense-related genes predominated in early winter, whereas signaling-related genes were up-regulated during late winter. Cluster analysis of the differentially expressed genes showed that plants regulated seasonal growth by integrating environmental factors with development. Short day lengths induced some cold-associated genes without concomitant low temperature exposure, and enhanced the expression of some genes when combined with low temperature exposure. These mechanisms appear to maintain closer synchrony between cold hardiness and climate than would be achieved through responses to temperature alone.
DOI: 10.1093/treephys/28.3.321
PubMed: 18171656
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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To gain insights into the underlying molecular mechanisms, we carried out global transcription analyses on stem samples from poplar (Populus deltoides Bartr. ex Marsh.) trees grown in the field and in controlled environments. Among seasonal changes in the transcriptome, up-regulation of defense-related genes predominated in early winter, whereas signaling-related genes were up-regulated during late winter. Cluster analysis of the differentially expressed genes showed that plants regulated seasonal growth by integrating environmental factors with development. Short day lengths induced some cold-associated genes without concomitant low temperature exposure, and enhanced the expression of some genes when combined with low temperature exposure. These mechanisms appear to maintain closer synchrony between cold hardiness and climate than would be achieved through responses to temperature alone.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18171656</PMID><DateCompleted><Year>2008</Year><Month>06</Month><Day>03</Day></DateCompleted><DateRevised><Year>2019</Year><Month>05</Month><Day>13</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0829-318X</ISSN><JournalIssue CitedMedium="Print"><Volume>28</Volume><Issue>3</Issue><PubDate><Year>2008</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Transcriptional profiles of the annual growth cycle in Populus deltoides.</ArticleTitle><Pagination><MedlinePgn>321-9</MedlinePgn></Pagination><Abstract><AbstractText>Cycling between vegetative growth and dormancy is an important adaptive mechanism in temperate woody plants. To gain insights into the underlying molecular mechanisms, we carried out global transcription analyses on stem samples from poplar (Populus deltoides Bartr. ex Marsh.) trees grown in the field and in controlled environments. Among seasonal changes in the transcriptome, up-regulation of defense-related genes predominated in early winter, whereas signaling-related genes were up-regulated during late winter. Cluster analysis of the differentially expressed genes showed that plants regulated seasonal growth by integrating environmental factors with development. Short day lengths induced some cold-associated genes without concomitant low temperature exposure, and enhanced the expression of some genes when combined with low temperature exposure. These mechanisms appear to maintain closer synchrony between cold hardiness and climate than would be achieved through responses to temperature alone.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Park</LastName><ForeName>Sunchung</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Department of Forestry, Michigan State University, East Lansing, MI 48824-1222, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Keathley</LastName><ForeName>Daniel E</ForeName><Initials>DE</Initials></Author><Author ValidYN="Y"><LastName>Han</LastName><ForeName>Kyung-Hwan</ForeName><Initials>KH</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000222" MajorTopicYN="Y">Adaptation, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004780" MajorTopicYN="N">Environment, Controlled</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D020869" MajorTopicYN="N">Gene Expression Profiling</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018547" MajorTopicYN="N">Plant Stems</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012621" MajorTopicYN="Y">Seasons</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>1</Month><Day>4</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>6</Month><Day>5</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>1</Month><Day>4</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">18171656</ArticleId><ArticleId IdType="doi">10.1093/treephys/28.3.321</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Michigan</li></region><settlement><li>East Lansing</li></settlement><orgName><li>Université d'État du Michigan</li></orgName></list><tree><noCountry><name sortKey="Han, Kyung Hwan" sort="Han, Kyung Hwan" uniqKey="Han K" first="Kyung-Hwan" last="Han">Kyung-Hwan Han</name><name sortKey="Keathley, Daniel E" sort="Keathley, Daniel E" uniqKey="Keathley D" first="Daniel E" last="Keathley">Daniel E. Keathley</name></noCountry><country name="États-Unis"><region name="Michigan"><name sortKey="Park, Sunchung" sort="Park, Sunchung" uniqKey="Park S" first="Sunchung" last="Park">Sunchung Park</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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