Low temperatures counteract short-day induced nitrogen storage, but not accumulation of bark storage protein transcripts in bark of grey poplar (Populus × canescens) trees.
Identifieur interne : 002599 ( Main/Exploration ); précédent : 002598; suivant : 002600Low temperatures counteract short-day induced nitrogen storage, but not accumulation of bark storage protein transcripts in bark of grey poplar (Populus × canescens) trees.
Auteurs : H. Wildhagen [Allemagne] ; S. Bilela ; H. RennenbergSource :
- Plant biology (Stuttgart, Germany) [ 1438-8677 ] ; 2013.
Descripteurs français
- KwdFr :
- Acclimatation (génétique), Acides aminés (métabolisme), Arbres (physiologie), Azote (métabolisme), Basse température (MeSH), Carbone (métabolisme), Changement climatique (MeSH), Photopériode (MeSH), Populus (métabolisme), Populus (physiologie), Protéines végétales (génétique), Protéines végétales (métabolisme), Saisons (MeSH), Température (MeSH), Transcription génétique (MeSH), Écorce (métabolisme).
- MESH :
- génétique : Acclimatation, Protéines végétales.
- métabolisme : Acides aminés, Azote, Carbone, Populus, Protéines végétales, Écorce.
- physiologie : Arbres, Populus.
- Basse température, Changement climatique, Photopériode, Saisons, Température, Transcription génétique.
English descriptors
- KwdEn :
- Acclimatization (genetics), Amino Acids (metabolism), Carbon (metabolism), Climate Change (MeSH), Cold Temperature (MeSH), Nitrogen (metabolism), Photoperiod (MeSH), Plant Bark (metabolism), Plant Proteins (genetics), Plant Proteins (metabolism), Populus (metabolism), Populus (physiology), Seasons (MeSH), Temperature (MeSH), Transcription, Genetic (MeSH), Trees (physiology).
- MESH :
- chemical , genetics : Plant Proteins.
- chemical , metabolism : Amino Acids, Carbon, Nitrogen, Plant Proteins.
- genetics : Acclimatization.
- metabolism : Plant Bark, Populus.
- physiology : Populus, Trees.
- Climate Change, Cold Temperature, Photoperiod, Seasons, Temperature, Transcription, Genetic.
Abstract
According to climate change scenarios, the seasonal course of temperature will change in most regions of the world, raising the question of how this will influence seasonal nitrogen (N) storage in deciduous trees. The key to this question is a detailed understanding of the underlying regulatory mechanisms, which was addressed in this study by analysing (i) the effects of low temperatures (13-1 °C) on bark storage protein (BSP) transcription, BSP and total protein accumulation and amino acid metabolism; (ii) the effects of interactions between low temperatures and photoperiod on these processes; and (iii) the regulatory role of amino acids in the bark. For this purpose, we exposed grey poplar trees (Populus × canescens) to three different treatments of changing photoperiod at constant temperature, changing temperature at constant photoperiod, and both changing photoperiod and temperature. Under a shortened photoperiod, a substantial increase of BSP transcripts was observed that was correlated with the accumulation of bark proteins, indicating a metabolic shift to promote long-term N storage. Irrespective of the applied photoperiod, exposure to low temperatures (5 or 1 °C) caused a strong increase of BSP transcripts, which was not paralled by significant increases of BSP and total bark proteins. We conclude that the interaction between effects of photoperiod and temperature is dependent on the carbon status of the trees, and reflects a metabolic adjustment of reduced carbon consumption for BSP synthesis. These results demonstrate the differential temperature sensitivity of processes involved in seasonal N storage, implying vulnerability to changing environmental conditions.
DOI: 10.1111/j.1438-8677.2012.00687.x
PubMed: 23279294
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Wildhagen</name><affiliation wicri:level="3"><nlm:affiliation>Albert-Ludwigs-University Freiburg, Chair of Tree Physiology, Institute of Forest Botany and Tree Physiology, Freiburg, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Albert-Ludwigs-University Freiburg, Chair of Tree Physiology, Institute of Forest Botany and Tree Physiology, Freiburg</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Fribourg-en-Brisgau</region><settlement type="city">Fribourg-en-Brisgau</settlement></placeName></affiliation></author><author><name sortKey="Bilela, S" sort="Bilela, S" uniqKey="Bilela S" first="S" last="Bilela">S. Bilela</name></author><author><name sortKey="Rennenberg, H" sort="Rennenberg, H" uniqKey="Rennenberg H" first="H" last="Rennenberg">H. Rennenberg</name></author></analytic><series><title level="j">Plant biology (Stuttgart, Germany)</title><idno type="eISSN">1438-8677</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acclimatization (genetics)</term><term>Amino Acids (metabolism)</term><term>Carbon (metabolism)</term><term>Climate Change (MeSH)</term><term>Cold Temperature (MeSH)</term><term>Nitrogen (metabolism)</term><term>Photoperiod (MeSH)</term><term>Plant Bark (metabolism)</term><term>Plant Proteins (genetics)</term><term>Plant Proteins (metabolism)</term><term>Populus (metabolism)</term><term>Populus (physiology)</term><term>Seasons (MeSH)</term><term>Temperature (MeSH)</term><term>Transcription, Genetic (MeSH)</term><term>Trees (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acclimatation (génétique)</term><term>Acides aminés (métabolisme)</term><term>Arbres (physiologie)</term><term>Azote (métabolisme)</term><term>Basse température (MeSH)</term><term>Carbone (métabolisme)</term><term>Changement climatique (MeSH)</term><term>Photopériode (MeSH)</term><term>Populus (métabolisme)</term><term>Populus (physiologie)</term><term>Protéines végétales (génétique)</term><term>Protéines végétales (métabolisme)</term><term>Saisons (MeSH)</term><term>Température (MeSH)</term><term>Transcription génétique (MeSH)</term><term>Écorce (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Plant Proteins</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Amino Acids</term><term>Carbon</term><term>Nitrogen</term><term>Plant Proteins</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Acclimatization</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Acclimatation</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>Acides aminés</term><term>Azote</term><term>Carbone</term><term>Populus</term><term>Protéines végétales</term><term>Écorce</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Arbres</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Populus</term><term>Trees</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Climate Change</term><term>Cold Temperature</term><term>Photoperiod</term><term>Seasons</term><term>Temperature</term><term>Transcription, Genetic</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Basse température</term><term>Changement climatique</term><term>Photopériode</term><term>Saisons</term><term>Température</term><term>Transcription génétique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">According to climate change scenarios, the seasonal course of temperature will change in most regions of the world, raising the question of how this will influence seasonal nitrogen (N) storage in deciduous trees. The key to this question is a detailed understanding of the underlying regulatory mechanisms, which was addressed in this study by analysing (i) the effects of low temperatures (13-1 °C) on bark storage protein (BSP) transcription, BSP and total protein accumulation and amino acid metabolism; (ii) the effects of interactions between low temperatures and photoperiod on these processes; and (iii) the regulatory role of amino acids in the bark. For this purpose, we exposed grey poplar trees (Populus × canescens) to three different treatments of changing photoperiod at constant temperature, changing temperature at constant photoperiod, and both changing photoperiod and temperature. Under a shortened photoperiod, a substantial increase of BSP transcripts was observed that was correlated with the accumulation of bark proteins, indicating a metabolic shift to promote long-term N storage. Irrespective of the applied photoperiod, exposure to low temperatures (5 or 1 °C) caused a strong increase of BSP transcripts, which was not paralled by significant increases of BSP and total bark proteins. We conclude that the interaction between effects of photoperiod and temperature is dependent on the carbon status of the trees, and reflects a metabolic adjustment of reduced carbon consumption for BSP synthesis. These results demonstrate the differential temperature sensitivity of processes involved in seasonal N storage, implying vulnerability to changing environmental conditions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23279294</PMID><DateCompleted><Year>2013</Year><Month>06</Month><Day>03</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>15 Suppl 1</Volume><PubDate><Year>2013</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Plant biology (Stuttgart, Germany)</Title><ISOAbbreviation>Plant Biol (Stuttg)</ISOAbbreviation></Journal><ArticleTitle>Low temperatures counteract short-day induced nitrogen storage, but not accumulation of bark storage protein transcripts in bark of grey poplar (Populus × canescens) trees.</ArticleTitle><Pagination><MedlinePgn>44-56</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1438-8677.2012.00687.x</ELocationID><Abstract><AbstractText>According to climate change scenarios, the seasonal course of temperature will change in most regions of the world, raising the question of how this will influence seasonal nitrogen (N) storage in deciduous trees. The key to this question is a detailed understanding of the underlying regulatory mechanisms, which was addressed in this study by analysing (i) the effects of low temperatures (13-1 °C) on bark storage protein (BSP) transcription, BSP and total protein accumulation and amino acid metabolism; (ii) the effects of interactions between low temperatures and photoperiod on these processes; and (iii) the regulatory role of amino acids in the bark. For this purpose, we exposed grey poplar trees (Populus × canescens) to three different treatments of changing photoperiod at constant temperature, changing temperature at constant photoperiod, and both changing photoperiod and temperature. Under a shortened photoperiod, a substantial increase of BSP transcripts was observed that was correlated with the accumulation of bark proteins, indicating a metabolic shift to promote long-term N storage. Irrespective of the applied photoperiod, exposure to low temperatures (5 or 1 °C) caused a strong increase of BSP transcripts, which was not paralled by significant increases of BSP and total bark proteins. We conclude that the interaction between effects of photoperiod and temperature is dependent on the carbon status of the trees, and reflects a metabolic adjustment of reduced carbon consumption for BSP synthesis. These results demonstrate the differential temperature sensitivity of processes involved in seasonal N storage, implying vulnerability to changing environmental conditions.</AbstractText><CopyrightInformation>© 2012 German Botanical Society and The Royal Botanical Society of the Netherlands.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wildhagen</LastName><ForeName>H</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Albert-Ludwigs-University Freiburg, Chair of Tree Physiology, Institute of Forest Botany and Tree Physiology, Freiburg, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bilela</LastName><ForeName>S</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Rennenberg</LastName><ForeName>H</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></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Plant Biol (Stuttg)</MedlineTA><NlmUniqueID>101148926</NlmUniqueID><ISSNLinking>1435-8603</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000596">Amino Acids</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000064" MajorTopicYN="N">Acclimatization</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000596" MajorTopicYN="N">Amino Acids</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D057231" MajorTopicYN="Y">Climate Change</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003080" MajorTopicYN="Y">Cold Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017440" MajorTopicYN="Y">Photoperiod</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D024301" MajorTopicYN="N">Plant Bark</DescriptorName><QualifierName UI="Q000378" 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MajorTopicYN="N">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>04</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>09</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>1</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>1</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>6</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23279294</ArticleId><ArticleId IdType="doi">10.1111/j.1438-8677.2012.00687.x</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="Bilela, S" sort="Bilela, S" uniqKey="Bilela S" first="S" last="Bilela">S. Bilela</name><name sortKey="Rennenberg, H" sort="Rennenberg, H" uniqKey="Rennenberg H" first="H" last="Rennenberg">H. Rennenberg</name></noCountry><country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Wildhagen, H" sort="Wildhagen, H" uniqKey="Wildhagen H" first="H" last="Wildhagen">H. Wildhagen</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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