Seasonal nitrogen cycling in the bark of field-grown Grey poplar is correlated with meteorological factors and gene expression of bark storage proteins.
Identifieur interne : 003129 ( Main/Exploration ); précédent : 003128; suivant : 003130Seasonal nitrogen cycling in the bark of field-grown Grey poplar is correlated with meteorological factors and gene expression of bark storage proteins.
Auteurs : Henning Wildhagen [Allemagne] ; Jasmin Dürr ; Barbara Ehlting ; Heinz RennenbergSource :
- Tree physiology [ 0829-318X ] ; 2010.
Descripteurs français
- KwdFr :
- Adaptation physiologique (MeSH), Azote (métabolisme), Facteurs temps (MeSH), Modèles biologiques (MeSH), Phylogenèse (MeSH), Populus (génétique), Populus (métabolisme), Protéines végétales (génétique), Protéines végétales (métabolisme), Régulation de l'expression des gènes végétaux (physiologie), Saisons (MeSH), Temps (météorologie) (MeSH), Écorce (métabolisme).
- MESH :
- génétique : Populus, Protéines végétales.
- métabolisme : Azote, Populus, Protéines végétales, Écorce.
- physiologie : Régulation de l'expression des gènes végétaux.
- Adaptation physiologique, Facteurs temps, Modèles biologiques, Phylogenèse, Saisons, Temps (météorologie).
English descriptors
- KwdEn :
- Adaptation, Physiological (MeSH), Gene Expression Regulation, Plant (physiology), Models, Biological (MeSH), Nitrogen (metabolism), Phylogeny (MeSH), Plant Bark (metabolism), Plant Proteins (genetics), Plant Proteins (metabolism), Populus (genetics), Populus (metabolism), Seasons (MeSH), Time Factors (MeSH), Weather (MeSH).
- MESH :
- chemical , genetics : Plant Proteins.
- chemical , metabolism : Nitrogen, Plant Proteins.
- genetics : Populus.
- metabolism : Plant Bark, Populus.
- physiology : Gene Expression Regulation, Plant.
- Adaptation, Physiological, Models, Biological, Phylogeny, Seasons, Time Factors, Weather.
Abstract
Seasonal tree-internal nitrogen cycling is an important strategy for trees to achieve high efficiency in the use of nitrogen (N). Key processes of this N redistribution are autumnal leaf senescence and storage of released N as bark storage proteins (BSP) in perennial tissues. While the regulation of leaf senescence has been intensively analysed in trees, the coordination of the complementary storage processes is still poorly understood. Therefore, we ascertained relationships between physiological-level and molecular-level processes and environmental factors under natural conditions in the bark of Populus x canescens. We analysed amino-N concentrations, total soluble protein concentration and transcript abundances of BSP genes in the bark of field-grown P. x canescens harvested during two annual growth cycles. By correlation analysis and linear modelling, we assessed interactions between biological data and meteorological conditions. Day length correlated with BSP expression, and air temperature correlated strongly with total protein concentration (r = -0.92), gamma-aminobutyric acid (GABA; r = 0.76) and arginine (r = -0.70). GABA and arginine also correlated significantly with total protein concentration and transcript abundances of BSP genes. We conclude that GABA and arginine potentially contribute to adjust storage processes in the bark of poplar trees to seasonal changes in environmental conditions.
DOI: 10.1093/treephys/tpq018
PubMed: 20354193
Affiliations:
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qualifier="genetics" xml:lang="en"><term>Plant Proteins</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Nitrogen</term><term>Plant Proteins</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term><term>Protéines végétales</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Bark</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Azote</term><term>Populus</term><term>Protéines végétales</term><term>Écorce</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Régulation de l'expression des gènes végétaux</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Gene Expression Regulation, Plant</term></keywords><keywords scheme="MESH" 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Key processes of this N redistribution are autumnal leaf senescence and storage of released N as bark storage proteins (BSP) in perennial tissues. While the regulation of leaf senescence has been intensively analysed in trees, the coordination of the complementary storage processes is still poorly understood. Therefore, we ascertained relationships between physiological-level and molecular-level processes and environmental factors under natural conditions in the bark of Populus x canescens. We analysed amino-N concentrations, total soluble protein concentration and transcript abundances of BSP genes in the bark of field-grown P. x canescens harvested during two annual growth cycles. By correlation analysis and linear modelling, we assessed interactions between biological data and meteorological conditions. Day length correlated with BSP expression, and air temperature correlated strongly with total protein concentration (r = -0.92), gamma-aminobutyric acid (GABA; r = 0.76) and arginine (r = -0.70). GABA and arginine also correlated significantly with total protein concentration and transcript abundances of BSP genes. We conclude that GABA and arginine potentially contribute to adjust storage processes in the bark of poplar trees to seasonal changes in environmental conditions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20354193</PMID><DateCompleted><Year>2010</Year><Month>11</Month><Day>05</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0829-318X</ISSN><JournalIssue CitedMedium="Print"><Volume>30</Volume><Issue>9</Issue><PubDate><Year>2010</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Seasonal nitrogen cycling in the bark of field-grown Grey poplar is correlated with meteorological factors and gene expression of bark storage proteins.</ArticleTitle><Pagination><MedlinePgn>1096-110</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpq018</ELocationID><Abstract><AbstractText>Seasonal tree-internal nitrogen cycling is an important strategy for trees to achieve high efficiency in the use of nitrogen (N). Key processes of this N redistribution are autumnal leaf senescence and storage of released N as bark storage proteins (BSP) in perennial tissues. While the regulation of leaf senescence has been intensively analysed in trees, the coordination of the complementary storage processes is still poorly understood. Therefore, we ascertained relationships between physiological-level and molecular-level processes and environmental factors under natural conditions in the bark of Populus x canescens. We analysed amino-N concentrations, total soluble protein concentration and transcript abundances of BSP genes in the bark of field-grown P. x canescens harvested during two annual growth cycles. By correlation analysis and linear modelling, we assessed interactions between biological data and meteorological conditions. Day length correlated with BSP expression, and air temperature correlated strongly with total protein concentration (r = -0.92), gamma-aminobutyric acid (GABA; r = 0.76) and arginine (r = -0.70). GABA and arginine also correlated significantly with total protein concentration and transcript abundances of BSP genes. We conclude that GABA and arginine potentially contribute to adjust storage processes in the bark of poplar trees to seasonal changes in environmental conditions.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wildhagen</LastName><ForeName>Henning</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Institute of Forest Botany and Tree Physiology, Chair of Tree Physiology, Albert-Ludwigs-University Freiburg, Georges-Koehler-Allee 053/054, 79110 Freiburg, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dürr</LastName><ForeName>Jasmin</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Ehlting</LastName><ForeName>Barbara</ForeName><Initials>B</Initials></Author><Author ValidYN="Y"><LastName>Rennenberg</LastName><ForeName>Heinz</ForeName><Initials>H</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2010</Year><Month>03</Month><Day>30</Day></ArticleDate></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000222" MajorTopicYN="N">Adaptation, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="N">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010802" MajorTopicYN="N">Phylogeny</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D024301" MajorTopicYN="N">Plant Bark</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012621" MajorTopicYN="N">Seasons</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014887" MajorTopicYN="N">Weather</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>4</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>4</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>11</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">20354193</ArticleId><ArticleId IdType="pii">tpq018</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpq018</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li></country><region><li>Bade-Wurtemberg</li><li>District de Fribourg-en-Brisgau</li></region><settlement><li>Fribourg-en-Brisgau</li></settlement></list><tree><noCountry><name sortKey="Durr, Jasmin" sort="Durr, Jasmin" uniqKey="Durr J" first="Jasmin" last="Dürr">Jasmin Dürr</name><name sortKey="Ehlting, Barbara" sort="Ehlting, Barbara" uniqKey="Ehlting B" first="Barbara" last="Ehlting">Barbara Ehlting</name><name sortKey="Rennenberg, Heinz" sort="Rennenberg, Heinz" uniqKey="Rennenberg H" first="Heinz" last="Rennenberg">Heinz Rennenberg</name></noCountry><country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Wildhagen, Henning" sort="Wildhagen, Henning" uniqKey="Wildhagen H" first="Henning" last="Wildhagen">Henning Wildhagen</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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