Regulation of isoprene emission in Populus trichocarpa leaves subjected to changing growth temperature.
Identifieur interne : 003830 ( Main/Exploration ); précédent : 003829; suivant : 003831Regulation of isoprene emission in Populus trichocarpa leaves subjected to changing growth temperature.
Auteurs : Amy E. Wiberley [États-Unis] ; Autumn R. Donohue ; Mary E. Meier ; Maiken M. Westphal ; Thomas D. SharkeySource :
- Plant, cell & environment [ 0140-7791 ] ; 2008.
Descripteurs français
- KwdFr :
- ARN messager (génétique), ARN messager (métabolisme), Alkyl et aryl transferases (génétique), Alkyl et aryl transferases (isolement et purification), Alkyl et aryl transferases (métabolisme), Butadiènes (métabolisme), Composés organiques du phosphore (métabolisme), Feuilles de plante (croissance et développement), Feuilles de plante (enzymologie), Feuilles de plante (génétique), Feuilles de plante (métabolisme), Hémiterpènes (métabolisme), Pentanes (métabolisme), Photosynthèse (MeSH), Populus (croissance et développement), Populus (enzymologie), Populus (génétique), Populus (métabolisme), Régulation de l'expression des gènes végétaux (MeSH), Température (MeSH).
- MESH :
- croissance et développement : Feuilles de plante, Populus.
- enzymologie : Feuilles de plante, Populus.
- génétique : ARN messager, Alkyl et aryl transferases, Feuilles de plante, Populus.
- isolement et purification : Alkyl et aryl transferases.
- métabolisme : ARN messager, Alkyl et aryl transferases, Butadiènes, Composés organiques du phosphore, Feuilles de plante, Hémiterpènes, Pentanes, Populus.
- Photosynthèse, Régulation de l'expression des gènes végétaux, Température.
English descriptors
- KwdEn :
- Alkyl and Aryl Transferases (genetics), Alkyl and Aryl Transferases (isolation & purification), Alkyl and Aryl Transferases (metabolism), Butadienes (metabolism), Gene Expression Regulation, Plant (MeSH), Hemiterpenes (metabolism), Organophosphorus Compounds (metabolism), Pentanes (metabolism), Photosynthesis (MeSH), Plant Leaves (enzymology), Plant Leaves (genetics), Plant Leaves (growth & development), Plant Leaves (metabolism), Populus (enzymology), Populus (genetics), Populus (growth & development), Populus (metabolism), RNA, Messenger (genetics), RNA, Messenger (metabolism), Temperature (MeSH).
- MESH :
- chemical , genetics : Alkyl and Aryl Transferases, RNA, Messenger.
- chemical , isolation & purification : Alkyl and Aryl Transferases.
- chemical , metabolism : Alkyl and Aryl Transferases, Butadienes, Hemiterpenes, Organophosphorus Compounds, Pentanes, RNA, Messenger.
- enzymology : Plant Leaves, Populus.
- genetics : Plant Leaves, Populus.
- growth & development : Plant Leaves, Populus.
- metabolism : Plant Leaves, Populus.
- Gene Expression Regulation, Plant, Photosynthesis, Temperature.
Abstract
The hydrocarbon isoprene is emitted in large quantities from numerous plant species, and has a substantial impact on atmospheric chemistry. Temperature affects isoprene emission at several levels: the temperature at which emission is measured, the temperature at which leaves develop, and the temperatures to which a mature leaf is exposed in the days prior to emission measurement. The molecular regulation of the response to the last of these factors was investigated in this study. When plants were grown at 20 degrees C and moved from 20 to 30 degrees C and back, or grown at 30 degrees C and moved from 30 to 20 degrees C and back, their isoprene emission peaked within 3 h of the move and stabilized over the following 3 d. Trees that developed at 20 degrees C and experienced 30 degrees C episodes had higher isoprene emission capacities than did leaves grown exclusively at 20 degrees C, even 2 weeks after the last 30 degrees C episode. The levels and extractable activities of isoprene synthase protein, which catalyses the synthesis of isoprene, and those of dimethylallyl diphosphate (DMADP), its substrate, alone could not explain observed variations in isoprene emission. Therefore, we conclude that control of isoprene emission in mature leaves is shared between isoprene synthase protein and DMADP supply.
DOI: 10.1111/j.1365-3040.2007.01758.x
PubMed: 17996012
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Temperature affects isoprene emission at several levels: the temperature at which emission is measured, the temperature at which leaves develop, and the temperatures to which a mature leaf is exposed in the days prior to emission measurement. The molecular regulation of the response to the last of these factors was investigated in this study. When plants were grown at 20 degrees C and moved from 20 to 30 degrees C and back, or grown at 30 degrees C and moved from 30 to 20 degrees C and back, their isoprene emission peaked within 3 h of the move and stabilized over the following 3 d. Trees that developed at 20 degrees C and experienced 30 degrees C episodes had higher isoprene emission capacities than did leaves grown exclusively at 20 degrees C, even 2 weeks after the last 30 degrees C episode. The levels and extractable activities of isoprene synthase protein, which catalyses the synthesis of isoprene, and those of dimethylallyl diphosphate (DMADP), its substrate, alone could not explain observed variations in isoprene emission. Therefore, we conclude that control of isoprene emission in mature leaves is shared between isoprene synthase protein and DMADP supply.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17996012</PMID><DateCompleted><Year>2008</Year><Month>09</Month><Day>25</Day></DateCompleted><DateRevised><Year>2012</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0140-7791</ISSN><JournalIssue CitedMedium="Print"><Volume>31</Volume><Issue>2</Issue><PubDate><Year>2008</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Plant, cell & environment</Title><ISOAbbreviation>Plant Cell Environ</ISOAbbreviation></Journal><ArticleTitle>Regulation of isoprene emission in Populus trichocarpa leaves subjected to changing growth temperature.</ArticleTitle><Pagination><MedlinePgn>258-67</MedlinePgn></Pagination><Abstract><AbstractText>The hydrocarbon isoprene is emitted in large quantities from numerous plant species, and has a substantial impact on atmospheric chemistry. Temperature affects isoprene emission at several levels: the temperature at which emission is measured, the temperature at which leaves develop, and the temperatures to which a mature leaf is exposed in the days prior to emission measurement. The molecular regulation of the response to the last of these factors was investigated in this study. When plants were grown at 20 degrees C and moved from 20 to 30 degrees C and back, or grown at 30 degrees C and moved from 30 to 20 degrees C and back, their isoprene emission peaked within 3 h of the move and stabilized over the following 3 d. Trees that developed at 20 degrees C and experienced 30 degrees C episodes had higher isoprene emission capacities than did leaves grown exclusively at 20 degrees C, even 2 weeks after the last 30 degrees C episode. The levels and extractable activities of isoprene synthase protein, which catalyses the synthesis of isoprene, and those of dimethylallyl diphosphate (DMADP), its substrate, alone could not explain observed variations in isoprene emission. Therefore, we conclude that control of isoprene emission in mature leaves is shared between isoprene synthase protein and DMADP supply.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wiberley</LastName><ForeName>Amy E</ForeName><Initials>AE</Initials><AffiliationInfo><Affiliation>Department of Botany, University of Wisconsin-Madison, Madison, WI 53706, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Donohue</LastName><ForeName>Autumn R</ForeName><Initials>AR</Initials></Author><Author ValidYN="Y"><LastName>Meier</LastName><ForeName>Mary E</ForeName><Initials>ME</Initials></Author><Author ValidYN="Y"><LastName>Westphal</LastName><ForeName>Maiken M</ForeName><Initials>MM</Initials></Author><Author ValidYN="Y"><LastName>Sharkey</LastName><ForeName>Thomas D</ForeName><Initials>TD</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2007</Year><Month>12</Month><Day>07</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Cell Environ</MedlineTA><NlmUniqueID>9309004</NlmUniqueID><ISSNLinking>0140-7791</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D002070">Butadienes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D045782">Hemiterpenes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D009943">Organophosphorus Compounds</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010420">Pentanes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012333">RNA, Messenger</NameOfSubstance></Chemical><Chemical><RegistryNumber>0A62964IBU</RegistryNumber><NameOfSubstance UI="C005059">isoprene</NameOfSubstance></Chemical><Chemical><RegistryNumber>358-72-5</RegistryNumber><NameOfSubstance UI="C043060">3,3-dimethylallyl pyrophosphate</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 2.5.-</RegistryNumber><NameOfSubstance UI="D019883">Alkyl and Aryl Transferases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 2.5.1.-</RegistryNumber><NameOfSubstance UI="C093854">isoprene synthase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D019883" MajorTopicYN="N">Alkyl and Aryl Transferases</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002070" MajorTopicYN="N">Butadienes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D045782" MajorTopicYN="N">Hemiterpenes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009943" MajorTopicYN="N">Organophosphorus Compounds</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010420" MajorTopicYN="N">Pentanes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012333" MajorTopicYN="N">RNA, Messenger</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="Y">Temperature</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2007</Year><Month>11</Month><Day>13</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>9</Month><Day>26</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2007</Year><Month>11</Month><Day>13</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">17996012</ArticleId><ArticleId IdType="pii">PCE1758</ArticleId><ArticleId IdType="doi">10.1111/j.1365-3040.2007.01758.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Wisconsin</li></region></list><tree><noCountry><name sortKey="Donohue, Autumn R" sort="Donohue, Autumn R" uniqKey="Donohue A" first="Autumn R" last="Donohue">Autumn R. Donohue</name><name sortKey="Meier, Mary E" sort="Meier, Mary E" uniqKey="Meier M" first="Mary E" last="Meier">Mary E. Meier</name><name sortKey="Sharkey, Thomas D" sort="Sharkey, Thomas D" uniqKey="Sharkey T" first="Thomas D" last="Sharkey">Thomas D. Sharkey</name><name sortKey="Westphal, Maiken M" sort="Westphal, Maiken M" uniqKey="Westphal M" first="Maiken M" last="Westphal">Maiken M. Westphal</name></noCountry><country name="États-Unis"><region name="Wisconsin"><name sortKey="Wiberley, Amy E" sort="Wiberley, Amy E" uniqKey="Wiberley A" first="Amy E" last="Wiberley">Amy E. Wiberley</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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