Transcriptome changes in the cambial region of poplar (Populus alba L.) in response to water deficit.
Identifieur interne : 003216 ( Main/Corpus ); précédent : 003215; suivant : 003217Transcriptome changes in the cambial region of poplar (Populus alba L.) in response to water deficit.
Auteurs : M. Berta ; A. Giovannelli ; F. Sebastiani ; A. Camussi ; M L RacchiSource :
- Plant biology (Stuttgart, Germany) [ 1438-8677 ] ; 2010.
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
Links to Exploration step
pubmed:20398240Le document en format XML
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<author><name sortKey="Berta, M" sort="Berta, M" uniqKey="Berta M" first="M" last="Berta">M. Berta</name>
<affiliation><nlm:affiliation>Department of Agricultural Biotechnology, Genetics section, Florence, Italy.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Giovannelli, A" sort="Giovannelli, A" uniqKey="Giovannelli A" first="A" last="Giovannelli">A. Giovannelli</name>
</author>
<author><name sortKey="Sebastiani, F" sort="Sebastiani, F" uniqKey="Sebastiani F" first="F" last="Sebastiani">F. Sebastiani</name>
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<author><name sortKey="Camussi, A" sort="Camussi, A" uniqKey="Camussi A" first="A" last="Camussi">A. Camussi</name>
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<author><name sortKey="Racchi, M L" sort="Racchi, M L" uniqKey="Racchi M" first="M L" last="Racchi">M L Racchi</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Transcriptome changes in the cambial region of poplar (Populus alba L.) in response to water deficit.</title>
<author><name sortKey="Berta, M" sort="Berta, M" uniqKey="Berta M" first="M" last="Berta">M. Berta</name>
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<author><name sortKey="Giovannelli, A" sort="Giovannelli, A" uniqKey="Giovannelli A" first="A" last="Giovannelli">A. Giovannelli</name>
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<author><name sortKey="Sebastiani, F" sort="Sebastiani, F" uniqKey="Sebastiani F" first="F" last="Sebastiani">F. Sebastiani</name>
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<author><name sortKey="Camussi, A" sort="Camussi, A" uniqKey="Camussi A" first="A" last="Camussi">A. Camussi</name>
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<author><name sortKey="Racchi, M L" sort="Racchi, M L" uniqKey="Racchi M" first="M L" last="Racchi">M L Racchi</name>
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<series><title level="j">Plant biology (Stuttgart, Germany)</title>
<idno type="eISSN">1438-8677</idno>
<imprint><date when="2010" type="published">2010</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Dehydration (MeSH)</term>
<term>Gene Expression Profiling (MeSH)</term>
<term>Oligonucleotide Array Sequence Analysis (MeSH)</term>
<term>Plant Leaves (physiology)</term>
<term>Plant Transpiration (physiology)</term>
<term>Populus (genetics)</term>
<term>Populus (physiology)</term>
<term>RNA, Plant (genetics)</term>
<term>Water (physiology)</term>
<term>Wood (genetics)</term>
<term>Wood (physiology)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>RNA, Plant</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term>
<term>Wood</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Plant Leaves</term>
<term>Plant Transpiration</term>
<term>Populus</term>
<term>Water</term>
<term>Wood</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Dehydration</term>
<term>Gene Expression Profiling</term>
<term>Oligonucleotide Array Sequence Analysis</term>
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<front><div type="abstract" xml:lang="en">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.</div>
</front>
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<DateRevised><Year>2013</Year>
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<Title>Plant biology (Stuttgart, Germany)</Title>
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<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. The function of up- and down-regulated genes is discussed considering the physiological response of the plants to water deficit.</AbstractText>
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<MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName>
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<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
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