Environmental and hormonal control of cambial stem cell dynamics.
Identifieur interne : 001406 ( Main/Exploration ); précédent : 001405; suivant : 001407Environmental and hormonal control of cambial stem cell dynamics.
Auteurs : Rishikesh P. Bhalerao [Suède] ; Urs Fischer [Suède]Source :
- Journal of experimental botany [ 1460-2431 ] ; 2017.
Descripteurs français
- KwdFr :
- Arabidopsis (cytologie), Arabidopsis (physiologie), Arbres (croissance et développement), Arbres (cytologie), Arbres (physiologie), Cambium (cytologie), Cambium (physiologie), Environnement (MeSH), Facteur de croissance végétal (physiologie), Régulation de l'expression des gènes végétaux (physiologie), Saisons (MeSH), Tiges de plante (cytologie), Tiges de plante (physiologie).
- MESH :
- croissance et développement : Arbres.
- cytologie : Arabidopsis, Arbres, Cambium, Tiges de plante.
- physiologie : Arabidopsis, Arbres, Cambium, Facteur de croissance végétal, Régulation de l'expression des gènes végétaux, Tiges de plante.
- Environnement, Saisons.
English descriptors
- KwdEn :
- Arabidopsis (cytology), Arabidopsis (physiology), Cambium (cytology), Cambium (physiology), Environment (MeSH), Gene Expression Regulation, Plant (physiology), Plant Growth Regulators (physiology), Plant Stems (cytology), Plant Stems (physiology), Seasons (MeSH), Trees (cytology), Trees (growth & development), Trees (physiology).
- MESH :
- chemical , physiology : Plant Growth Regulators.
- cytology : Arabidopsis, Cambium, Plant Stems, Trees.
- growth & development : Trees.
- physiology : Arabidopsis, Cambium, Gene Expression Regulation, Plant, Plant Stems, Trees.
- Environment, Seasons.
Abstract
Perennial trees have the amazing ability to adjust their growth rate to both adverse and favorable seasonally reoccurring environmental conditions over hundreds of years. In trunks and stems, the basis for the tuning of seasonal growth rate is the regulation of cambial stem cell activity. Cambial stem cell quiescence and dormancy protect the tree from potential physiological and genomic damage caused by adverse growing conditions and may permit a long lifespan. Cambial dormancy and longevity are both aspects of a tree's life for which the study of cambial stem cell behavior in the annual model plant Arabidopsis is inadequate. Recent functional analyses of hormone perception and catabolism mutants in Populus indicate that shoot-derived long-range signals, as well as local cues, steer cambial activity. Auxin is central to the regulation of cambial activity and probably also maintenance. Emerging genome editing and phenotyping technologies will enable the identification of down-stream targets of hormonal action and facilitate the genetic dissection of complex traits of cambial biology.
DOI: 10.1093/jxb/erw466
PubMed: 27965368
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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In trunks and stems, the basis for the tuning of seasonal growth rate is the regulation of cambial stem cell activity. Cambial stem cell quiescence and dormancy protect the tree from potential physiological and genomic damage caused by adverse growing conditions and may permit a long lifespan. Cambial dormancy and longevity are both aspects of a tree's life for which the study of cambial stem cell behavior in the annual model plant Arabidopsis is inadequate. Recent functional analyses of hormone perception and catabolism mutants in Populus indicate that shoot-derived long-range signals, as well as local cues, steer cambial activity. Auxin is central to the regulation of cambial activity and probably also maintenance. Emerging genome editing and phenotyping technologies will enable the identification of down-stream targets of hormonal action and facilitate the genetic dissection of complex traits of cambial biology.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">27965368</PMID><DateCompleted><Year>2017</Year><Month>11</Month><Day>16</Day></DateCompleted><DateRevised><Year>2018</Year><Month>01</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1460-2431</ISSN><JournalIssue CitedMedium="Internet"><Volume>68</Volume><Issue>1</Issue><PubDate><Year>2017</Year><Month>01</Month></PubDate></JournalIssue><Title>Journal of experimental botany</Title><ISOAbbreviation>J Exp Bot</ISOAbbreviation></Journal><ArticleTitle>Environmental and hormonal control of cambial stem cell dynamics.</ArticleTitle><Pagination><MedlinePgn>79-87</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/jxb/erw466</ELocationID><Abstract><AbstractText>Perennial trees have the amazing ability to adjust their growth rate to both adverse and favorable seasonally reoccurring environmental conditions over hundreds of years. In trunks and stems, the basis for the tuning of seasonal growth rate is the regulation of cambial stem cell activity. Cambial stem cell quiescence and dormancy protect the tree from potential physiological and genomic damage caused by adverse growing conditions and may permit a long lifespan. Cambial dormancy and longevity are both aspects of a tree's life for which the study of cambial stem cell behavior in the annual model plant Arabidopsis is inadequate. Recent functional analyses of hormone perception and catabolism mutants in Populus indicate that shoot-derived long-range signals, as well as local cues, steer cambial activity. Auxin is central to the regulation of cambial activity and probably also maintenance. Emerging genome editing and phenotyping technologies will enable the identification of down-stream targets of hormonal action and facilitate the genetic dissection of complex traits of cambial biology.</AbstractText><CopyrightInformation>© The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissions@oup.com.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bhalerao</LastName><ForeName>Rishikesh P</ForeName><Initials>RP</Initials><AffiliationInfo><Affiliation>Department of Forest Genetics and Plant Physiology, Umeå Plant Science Centre, Swedish University of Agricultural Sciences, Umeå, SE-90183, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Fischer</LastName><ForeName>Urs</ForeName><Initials>U</Initials><AffiliationInfo><Affiliation>Department of Forest Genetics and Plant Physiology, Umeå Plant Science Centre, Swedish University of Agricultural Sciences, Umeå, SE-90183, Sweden Urs.Fischer@slu.se.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D016454">Review</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>12</Month><Day>12</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Exp Bot</MedlineTA><NlmUniqueID>9882906</NlmUniqueID><ISSNLinking>0022-0957</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010937">Plant Growth Regulators</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D017360" MajorTopicYN="N">Arabidopsis</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D058506" MajorTopicYN="N">Cambium</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="Y">cytology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004777" MajorTopicYN="N">Environment</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010937" MajorTopicYN="N">Plant Growth Regulators</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018547" MajorTopicYN="N">Plant Stems</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012621" MajorTopicYN="N">Seasons</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Auxin</Keyword><Keyword MajorTopicYN="Y">cambium</Keyword><Keyword MajorTopicYN="Y">cyotkinin</Keyword><Keyword MajorTopicYN="Y">dormancy</Keyword><Keyword MajorTopicYN="Y">gibberellin</Keyword><Keyword MajorTopicYN="Y">perenniality</Keyword><Keyword MajorTopicYN="Y">stem cells.</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>12</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2017</Year><Month>11</Month><Day>29</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>12</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27965368</ArticleId><ArticleId IdType="pii">erw466</ArticleId><ArticleId IdType="doi">10.1093/jxb/erw466</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Suède</li></country></list><tree><country name="Suède"><noRegion><name sortKey="Bhalerao, Rishikesh P" sort="Bhalerao, Rishikesh P" uniqKey="Bhalerao R" first="Rishikesh P" last="Bhalerao">Rishikesh P. 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