The role of abscisic acid and auxin in the response of poplar to abiotic stress.
Identifieur interne : 003076 ( Main/Exploration ); précédent : 003075; suivant : 003077The role of abscisic acid and auxin in the response of poplar to abiotic stress.
Auteurs : J. Popko [Allemagne] ; R. H Nsch ; R-R Mendel ; A. Polle ; T. TeichmannSource :
- Plant biology (Stuttgart, Germany) [ 1438-8677 ] ; 2010.
Descripteurs français
- KwdFr :
- Acide abscissique (biosynthèse), Acide abscissique (métabolisme), Acides indolacétiques (métabolisme), Adaptation physiologique (MeSH), Arabidopsis (métabolisme), Bois (croissance et développement), Facteur de croissance végétal (métabolisme), Interactions entre récepteurs (MeSH), Populus (croissance et développement), Populus (métabolisme), Stress physiologique (MeSH), Transduction du signal (MeSH).
- MESH :
- biosynthèse : Acide abscissique.
- croissance et développement : Bois, Populus.
- métabolisme : Acide abscissique, Acides indolacétiques, Arabidopsis, Facteur de croissance végétal, Populus.
- Adaptation physiologique, Interactions entre récepteurs, Stress physiologique, Transduction du signal.
English descriptors
- KwdEn :
- Abscisic Acid (biosynthesis), Abscisic Acid (metabolism), Adaptation, Physiological (MeSH), Arabidopsis (metabolism), Indoleacetic Acids (metabolism), Plant Growth Regulators (metabolism), Populus (growth & development), Populus (metabolism), Receptor Cross-Talk (MeSH), Signal Transduction (MeSH), Stress, Physiological (MeSH), Wood (growth & development).
- MESH :
- chemical , biosynthesis : Abscisic Acid.
- chemical , metabolism : Abscisic Acid, Indoleacetic Acids, Plant Growth Regulators.
- growth & development : Populus, Wood.
- metabolism : Arabidopsis, Populus.
- Adaptation, Physiological, Receptor Cross-Talk, Signal Transduction, Stress, Physiological.
Abstract
The plant hormones auxin and abscisic acid may at first sight appear to be a conflicting pair of plant regulators. Abscisic acid content increases during stress and protects plant water status. The content of free auxin in the developing xylem of poplar declines during stress, while auxin conjugates increase. This indicates that specific down-regulation of a signal transduction chain is important in plant adaptation to stress. Diminished auxin content may be a factor that adapts growth and wood development of poplar during adverse environmental conditions. To allow integration of environmental signals, abscisic acid and auxin must interact. Data are accumulating that abscisic acid-auxin cross-talk exists in plants. However, knowledge of the role of plant hormones in the response of trees to stress is scarce. Our data show that differences in the localisation of ABA synthesis exist between the annual, herbaceous plant Arabidopsis and the perennial woody species, poplar.
DOI: 10.1111/j.1438-8677.2009.00305.x
PubMed: 20398232
Affiliations:
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Le document en format XML
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H Nsch</name></author><author><name sortKey="Mendel, R R" sort="Mendel, R R" uniqKey="Mendel R" first="R-R" last="Mendel">R-R Mendel</name></author><author><name sortKey="Polle, A" sort="Polle, A" uniqKey="Polle A" first="A" last="Polle">A. Polle</name></author><author><name sortKey="Teichmann, T" sort="Teichmann, T" uniqKey="Teichmann T" first="T" last="Teichmann">T. 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Abscisic acid content increases during stress and protects plant water status. The content of free auxin in the developing xylem of poplar declines during stress, while auxin conjugates increase. This indicates that specific down-regulation of a signal transduction chain is important in plant adaptation to stress. Diminished auxin content may be a factor that adapts growth and wood development of poplar during adverse environmental conditions. To allow integration of environmental signals, abscisic acid and auxin must interact. Data are accumulating that abscisic acid-auxin cross-talk exists in plants. However, knowledge of the role of plant hormones in the response of trees to stress is scarce. Our data show that differences in the localisation of ABA synthesis exist between the annual, herbaceous plant Arabidopsis and the perennial woody species, poplar.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20398232</PMID><DateCompleted><Year>2010</Year><Month>06</Month><Day>28</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1438-8677</ISSN><JournalIssue CitedMedium="Internet"><Volume>12</Volume><Issue>2</Issue><PubDate><Year>2010</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Plant biology (Stuttgart, Germany)</Title><ISOAbbreviation>Plant Biol (Stuttg)</ISOAbbreviation></Journal><ArticleTitle>The role of abscisic acid and auxin in the response of poplar to abiotic stress.</ArticleTitle><Pagination><MedlinePgn>242-58</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1438-8677.2009.00305.x</ELocationID><Abstract><AbstractText>The plant hormones auxin and abscisic acid may at first sight appear to be a conflicting pair of plant regulators. 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H Nsch</name><name sortKey="Mendel, R R" sort="Mendel, R R" uniqKey="Mendel R" first="R-R" last="Mendel">R-R Mendel</name><name sortKey="Polle, A" sort="Polle, A" uniqKey="Polle A" first="A" last="Polle">A. Polle</name><name sortKey="Teichmann, T" sort="Teichmann, T" uniqKey="Teichmann T" first="T" last="Teichmann">T. Teichmann</name></noCountry><country name="Allemagne"><noRegion><name sortKey="Popko, J" sort="Popko, J" uniqKey="Popko J" first="J" last="Popko">J. Popko</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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