The transcriptome of Populus in elevated CO2.
Identifieur interne : 003F36 ( Main/Exploration ); précédent : 003F35; suivant : 003F37The transcriptome of Populus in elevated CO2.
Auteurs : Gail Taylor [Royaume-Uni] ; Nathaniel R. Street ; Penny J. Tricker ; Andreas Sjödin ; Laura Graham ; Oskar Skogström ; Carlo Calfapietra ; Giuseppe Scarascia-Mugnozza ; Stefan JanssonSource :
- The New phytologist [ 0028-646X ] ; 2005.
Descripteurs français
- KwdFr :
- Adaptation physiologique (MeSH), Analyse de profil d'expression de gènes (MeSH), Atmosphère (MeSH), Dioxyde de carbone (pharmacologie), Facteurs temps (MeSH), Populus (effets des médicaments et des substances chimiques), Populus (génétique), Populus (métabolisme), Régulation de l'expression des gènes végétaux (effets des médicaments et des substances chimiques), Séquençage par oligonucléotides en batterie (MeSH), Étiquettes de séquences exprimées (MeSH).
- MESH :
- effets des médicaments et des substances chimiques : Populus, Régulation de l'expression des gènes végétaux.
- génétique : Populus.
- métabolisme : Populus.
- pharmacologie : Dioxyde de carbone.
- Adaptation physiologique, Analyse de profil d'expression de gènes, Atmosphère, Facteurs temps, Séquençage par oligonucléotides en batterie, Étiquettes de séquences exprimées.
English descriptors
- KwdEn :
- Adaptation, Physiological (MeSH), Atmosphere (MeSH), Carbon Dioxide (pharmacology), Expressed Sequence Tags (MeSH), Gene Expression Profiling (MeSH), Gene Expression Regulation, Plant (drug effects), Oligonucleotide Array Sequence Analysis (MeSH), Populus (drug effects), Populus (genetics), Populus (metabolism), Time Factors (MeSH).
- MESH :
- chemical , pharmacology : Carbon Dioxide.
- drug effects : Gene Expression Regulation, Plant, Populus.
- genetics : Populus.
- metabolism : Populus.
- Adaptation, Physiological, Atmosphere, Expressed Sequence Tags, Gene Expression Profiling, Oligonucleotide Array Sequence Analysis, Time Factors.
Abstract
The consequences of increasing atmospheric carbon dioxide for long-term adaptation of forest ecosystems remain uncertain, with virtually no studies undertaken at the genetic level. A global analysis using cDNA microarrays was conducted following 6 yr exposure of Populus x euramericana (clone I-214) to elevated [CO(2)] in a FACE (free-air CO(2) enrichment) experiment. Gene expression was sensitive to elevated [CO(2)] but the response depended on the developmental age of the leaves, and < 50 transcripts differed significantly between different CO(2) environments. For young leaves most differentially expressed genes were upregulated in elevated [CO(2)], while in semimature leaves most were downregulated in elevated [CO(2)]. For transcripts related only to the small subunit of Rubisco, upregulation in LPI 3 and downregulation in LPI 6 leaves in elevated CO(2) was confirmed by anova. Similar patterns of gene expression for young leaves were also confirmed independently across year 3 and year 6 microarray data, and using real-time RT-PCR. This study provides the first clues to the long-term genetic expression changes that may occur during long-term plant response to elevated CO(2).
DOI: 10.1111/j.1469-8137.2005.01450.x
PubMed: 15948837
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<term>Expressed Sequence Tags (MeSH)</term>
<term>Gene Expression Profiling (MeSH)</term>
<term>Gene Expression Regulation, Plant (drug effects)</term>
<term>Oligonucleotide Array Sequence Analysis (MeSH)</term>
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<term>Analyse de profil d'expression de gènes (MeSH)</term>
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<term>Dioxyde de carbone (pharmacologie)</term>
<term>Facteurs temps (MeSH)</term>
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<term>Populus (génétique)</term>
<term>Populus (métabolisme)</term>
<term>Régulation de l'expression des gènes végétaux (effets des médicaments et des substances chimiques)</term>
<term>Séquençage par oligonucléotides en batterie (MeSH)</term>
<term>Étiquettes de séquences exprimées (MeSH)</term>
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<keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Dioxyde de carbone</term>
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<term>Expressed Sequence Tags</term>
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<term>Analyse de profil d'expression de gènes</term>
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<term>Séquençage par oligonucléotides en batterie</term>
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<front><div type="abstract" xml:lang="en">The consequences of increasing atmospheric carbon dioxide for long-term adaptation of forest ecosystems remain uncertain, with virtually no studies undertaken at the genetic level. A global analysis using cDNA microarrays was conducted following 6 yr exposure of Populus x euramericana (clone I-214) to elevated [CO(2)] in a FACE (free-air CO(2) enrichment) experiment. Gene expression was sensitive to elevated [CO(2)] but the response depended on the developmental age of the leaves, and < 50 transcripts differed significantly between different CO(2) environments. For young leaves most differentially expressed genes were upregulated in elevated [CO(2)], while in semimature leaves most were downregulated in elevated [CO(2)]. For transcripts related only to the small subunit of Rubisco, upregulation in LPI 3 and downregulation in LPI 6 leaves in elevated CO(2) was confirmed by anova. Similar patterns of gene expression for young leaves were also confirmed independently across year 3 and year 6 microarray data, and using real-time RT-PCR. This study provides the first clues to the long-term genetic expression changes that may occur during long-term plant response to elevated CO(2).</div>
</front>
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<Abstract><AbstractText>The consequences of increasing atmospheric carbon dioxide for long-term adaptation of forest ecosystems remain uncertain, with virtually no studies undertaken at the genetic level. A global analysis using cDNA microarrays was conducted following 6 yr exposure of Populus x euramericana (clone I-214) to elevated [CO(2)] in a FACE (free-air CO(2) enrichment) experiment. Gene expression was sensitive to elevated [CO(2)] but the response depended on the developmental age of the leaves, and < 50 transcripts differed significantly between different CO(2) environments. For young leaves most differentially expressed genes were upregulated in elevated [CO(2)], while in semimature leaves most were downregulated in elevated [CO(2)]. For transcripts related only to the small subunit of Rubisco, upregulation in LPI 3 and downregulation in LPI 6 leaves in elevated CO(2) was confirmed by anova. Similar patterns of gene expression for young leaves were also confirmed independently across year 3 and year 6 microarray data, and using real-time RT-PCR. This study provides the first clues to the long-term genetic expression changes that may occur during long-term plant response to elevated CO(2).</AbstractText>
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<country name="Royaume-Uni"><noRegion><name sortKey="Taylor, Gail" sort="Taylor, Gail" uniqKey="Taylor G" first="Gail" last="Taylor">Gail Taylor</name>
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