Changes in diurnal patterns within the Populus transcriptome and metabolome in response to photoperiod variation.
Identifieur interne : 003261 ( Main/Corpus ); précédent : 003260; suivant : 003262Changes in diurnal patterns within the Populus transcriptome and metabolome in response to photoperiod variation.
Auteurs : Daniel E. Hoffman ; P R Jonsson ; Max Bylesjö ; Johan Trygg ; Henrik Antti ; Maria E. Eriksson ; Thomas MoritzSource :
- Plant, cell & environment [ 1365-3040 ] ; 2010.
English descriptors
- KwdEn :
- Carbohydrate Metabolism (MeSH), Circadian Rhythm (MeSH), DNA, Complementary (genetics), Gene Expression Profiling (MeSH), Gene Expression Regulation, Plant (MeSH), Genes, Plant (MeSH), Metabolome (MeSH), Oligonucleotide Array Sequence Analysis (MeSH), Photoperiod (MeSH), Populus (genetics), Populus (growth & development), Populus (metabolism), Seasons (MeSH).
- MESH :
- chemical , genetics : DNA, Complementary.
- genetics : Populus.
- growth & development : Populus.
- metabolism : Populus.
- Carbohydrate Metabolism, Circadian Rhythm, Gene Expression Profiling, Gene Expression Regulation, Plant, Genes, Plant, Metabolome, Oligonucleotide Array Sequence Analysis, Photoperiod, Seasons.
Abstract
Changes in seasonal photoperiod provides an important environmental signal that affects the timing of winter dormancy in perennial, deciduous, temperate tree species, such as hybrid aspen (Populus tremula x Populus tremuloides). In this species, growth cessation, cold acclimation and dormancy are induced in the autumn by the detection of day-length shortening that occurs at a given critical day length. Important components in the detection of such day-length changes are photoreceptors and the circadian clock, and many plant responses at both the gene regulation and metabolite levels are expected to be diurnal. To directly examine this expectation and study components in these events, here we report transcriptomic and metabolomic responses to a change in photoperiod from long to short days in hybrid aspen. We found about 16% of genes represented on the arrays to be diurnally regulated, as assessed by our pre-defined criteria. Furthermore, several of these genes were involved in circadian-associated processes, including photosynthesis and primary and secondary metabolism. Metabolites affected by the change in photoperiod were mostly involved in carbon metabolism. Taken together, we have thus established a molecular catalog of events that precede a response to winter.
DOI: 10.1111/j.1365-3040.2010.02148.x
PubMed: 20302601
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pubmed:20302601Le document en format XML
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Hoffman</name><affiliation><nlm:affiliation>Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden.</nlm:affiliation></affiliation></author><author><name sortKey="Jonsson, P R" sort="Jonsson, P R" uniqKey="Jonsson P" first="P R" last="Jonsson">P R Jonsson</name></author><author><name sortKey="Bylesjo, Max" sort="Bylesjo, Max" uniqKey="Bylesjo M" first="Max" last="Bylesjö">Max Bylesjö</name></author><author><name sortKey="Trygg, Johan" sort="Trygg, Johan" uniqKey="Trygg J" first="Johan" last="Trygg">Johan Trygg</name></author><author><name sortKey="Antti, Henrik" sort="Antti, Henrik" uniqKey="Antti H" first="Henrik" last="Antti">Henrik Antti</name></author><author><name sortKey="Eriksson, Maria E" sort="Eriksson, Maria E" uniqKey="Eriksson M" first="Maria E" last="Eriksson">Maria E. 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In this species, growth cessation, cold acclimation and dormancy are induced in the autumn by the detection of day-length shortening that occurs at a given critical day length. Important components in the detection of such day-length changes are photoreceptors and the circadian clock, and many plant responses at both the gene regulation and metabolite levels are expected to be diurnal. To directly examine this expectation and study components in these events, here we report transcriptomic and metabolomic responses to a change in photoperiod from long to short days in hybrid aspen. We found about 16% of genes represented on the arrays to be diurnally regulated, as assessed by our pre-defined criteria. Furthermore, several of these genes were involved in circadian-associated processes, including photosynthesis and primary and secondary metabolism. Metabolites affected by the change in photoperiod were mostly involved in carbon metabolism. Taken together, we have thus established a molecular catalog of events that precede a response to winter.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20302601</PMID><DateCompleted><Year>2010</Year><Month>10</Month><Day>12</Day></DateCompleted><DateRevised><Year>2010</Year><Month>07</Month><Day>28</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1365-3040</ISSN><JournalIssue CitedMedium="Internet"><Volume>33</Volume><Issue>8</Issue><PubDate><Year>2010</Year><Month>Aug</Month><Day>01</Day></PubDate></JournalIssue><Title>Plant, cell & environment</Title><ISOAbbreviation>Plant Cell Environ</ISOAbbreviation></Journal><ArticleTitle>Changes in diurnal patterns within the Populus transcriptome and metabolome in response to photoperiod variation.</ArticleTitle><Pagination><MedlinePgn>1298-313</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1365-3040.2010.02148.x</ELocationID><Abstract><AbstractText>Changes in seasonal photoperiod provides an important environmental signal that affects the timing of winter dormancy in perennial, deciduous, temperate tree species, such as hybrid aspen (Populus tremula x Populus tremuloides). In this species, growth cessation, cold acclimation and dormancy are induced in the autumn by the detection of day-length shortening that occurs at a given critical day length. Important components in the detection of such day-length changes are photoreceptors and the circadian clock, and many plant responses at both the gene regulation and metabolite levels are expected to be diurnal. To directly examine this expectation and study components in these events, here we report transcriptomic and metabolomic responses to a change in photoperiod from long to short days in hybrid aspen. We found about 16% of genes represented on the arrays to be diurnally regulated, as assessed by our pre-defined criteria. Furthermore, several of these genes were involved in circadian-associated processes, including photosynthesis and primary and secondary metabolism. Metabolites affected by the change in photoperiod were mostly involved in carbon metabolism. 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