Transcriptome changes in the cambial region of poplar (Populus alba L.) in response to water deficit.
Identifieur interne : 003068 ( Main/Exploration ); précédent : 003067; suivant : 003069Transcriptome changes in the cambial region of poplar (Populus alba L.) in response to water deficit.
Auteurs : M. Berta [Italie] ; A. Giovannelli ; F. Sebastiani ; A. Camussi ; M L RacchiSource :
- Plant biology (Stuttgart, Germany) [ 1438-8677 ] ; 2010.
Descripteurs français
- KwdFr :
- ARN des plantes (génétique), Analyse de profil d'expression de gènes (MeSH), Bois (génétique), Bois (physiologie), Déshydratation (MeSH), Eau (physiologie), Feuilles de plante (physiologie), Populus (génétique), Populus (physiologie), Séquençage par oligonucléotides en batterie (MeSH), Transpiration des plantes (physiologie).
- MESH :
- génétique : ARN des plantes, Bois, Populus.
- physiologie : Bois, Eau, Feuilles de plante, Populus, Transpiration des plantes.
- Analyse de profil d'expression de gènes, Déshydratation, Séquençage par oligonucléotides en batterie.
English descriptors
- KwdEn :
- MESH :
- chemical , genetics : RNA, Plant.
- genetics : Populus, Wood.
- physiology : Plant Leaves, Plant Transpiration, Populus, Water, Wood.
- Dehydration, Gene Expression Profiling, Oligonucleotide Array Sequence Analysis.
Abstract
A transcriptome analysis of the Populus alba cambial region was performed with the aim of elucidating the gene network underlying the response to water deficit within the cambium and differentiating derivative cambial cells. Water stress was induced in 1-year-old P. alba plants by withholding water for 9 days. At that time, leaf predawn water potential fell to -0.8 MPa, resulting in a significant reduction in stomatal conductance, CO(2) assimilation and a consistent increment of stem shrinkage. These effects were almost fully reversed by re-hydration. The water deficit resulted in changes in gene expression that affected several functional categories, such as protein metabolism, cell wall metabolism, stress response, transporters and transcriptional regulation. The function of up- and down-regulated genes is discussed considering the physiological response of the plants to water deficit.
DOI: 10.1111/j.1438-8677.2009.00320.x
PubMed: 20398240
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Water stress was induced in 1-year-old P. alba plants by withholding water for 9 days. At that time, leaf predawn water potential fell to -0.8 MPa, resulting in a significant reduction in stomatal conductance, CO(2) assimilation and a consistent increment of stem shrinkage. These effects were almost fully reversed by re-hydration. The water deficit resulted in changes in gene expression that affected several functional categories, such as protein metabolism, cell wall metabolism, stress response, transporters and transcriptional regulation. The function of up- and down-regulated genes is discussed considering the physiological response of the plants to water deficit.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20398240</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>Transcriptome changes in the cambial region of poplar (Populus alba L.) in response to water deficit.</ArticleTitle><Pagination><MedlinePgn>341-54</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1438-8677.2009.00320.x</ELocationID><Abstract><AbstractText>A transcriptome analysis of the Populus alba cambial region was performed with the aim of elucidating the gene network underlying the response to water deficit within the cambium and differentiating derivative cambial cells. Water stress was induced in 1-year-old P. alba plants by withholding water for 9 days. At that time, leaf predawn water potential fell to -0.8 MPa, resulting in a significant reduction in stomatal conductance, CO(2) assimilation and a consistent increment of stem shrinkage. These effects were almost fully reversed by re-hydration. The water deficit resulted in changes in gene expression that affected several functional categories, such as protein metabolism, cell wall metabolism, stress response, transporters and transcriptional regulation. 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Camussi</name><name sortKey="Giovannelli, A" sort="Giovannelli, A" uniqKey="Giovannelli A" first="A" last="Giovannelli">A. Giovannelli</name><name sortKey="Racchi, M L" sort="Racchi, M L" uniqKey="Racchi M" first="M L" last="Racchi">M L Racchi</name><name sortKey="Sebastiani, F" sort="Sebastiani, F" uniqKey="Sebastiani F" first="F" last="Sebastiani">F. Sebastiani</name></noCountry><country name="Italie"><noRegion><name sortKey="Berta, M" sort="Berta, M" uniqKey="Berta M" first="M" last="Berta">M. Berta</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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