Leaf age-dependent differences in sulphur assimilation and allocation in poplar (Populus tremula x P. alba) leaves.
Identifieur interne : 004794 ( Main/Exploration ); précédent : 004793; suivant : 004795Leaf age-dependent differences in sulphur assimilation and allocation in poplar (Populus tremula x P. alba) leaves.
Auteurs : T. Hartmann [Allemagne] ; S. Mult ; M. Suter ; H. Rennenberg ; C. HerschbachSource :
- Journal of experimental botany [ 0022-0957 ] ; 2000.
Descripteurs français
- KwdFr :
- Arbres (croissance et développement), Arbres (métabolisme), Arbres (physiologie), Feuilles de plante (croissance et développement), Feuilles de plante (métabolisme), Feuilles de plante (physiologie), Oxidoreductases (métabolisme), Oxidoreductases acting on sulfur group donors (MeSH), Soufre (métabolisme), Sulfate adenylyltransferase (métabolisme), Transport biologique (MeSH).
- MESH :
- croissance et développement : Arbres, Feuilles de plante.
- métabolisme : Arbres, Feuilles de plante, Oxidoreductases, Soufre, Sulfate adenylyltransferase.
- physiologie : Arbres, Feuilles de plante.
- Oxidoreductases acting on sulfur group donors, Transport biologique.
English descriptors
- KwdEn :
- Biological Transport (MeSH), Oxidoreductases (metabolism), Oxidoreductases Acting on Sulfur Group Donors (MeSH), Plant Leaves (growth & development), Plant Leaves (metabolism), Plant Leaves (physiology), Sulfate Adenylyltransferase (metabolism), Sulfur (metabolism), Trees (growth & development), Trees (metabolism), Trees (physiology).
- MESH :
- chemical , metabolism : Oxidoreductases, Sulfate Adenylyltransferase, Sulfur.
- growth & development : Plant Leaves, Trees.
- metabolism : Plant Leaves, Trees.
- physiology : Plant Leaves, Trees.
- Biological Transport, Oxidoreductases Acting on Sulfur Group Donors.
Abstract
35S-sulphate was flap-fed to poplar leaves of different leaf development stages - young developing, expanding, mature, and old mature poplar leaves. (35)S-sulphate was taken up independent of the leaf development stage. Whereas young development leaves did not export the (35)S taken up, export increased with increasing leaf development stage. Expanding leaves allocated the exported (35)S mainly into apical tree parts (73-87%) and only to a minor extent (13-27%) in basipetal direction. Neither lower trunk sections nor the roots were sinks for the exported (35)S. Expanding and developing leaves, but not the shoot apex, were the main sinks for the (35)S allocated in apical direction. In contrast, mature and old mature leaves exported the (35)S taken up mainly in basipetal direction (65-82%) with the roots constituting the main sinks. The (35)S allocated into apical tree parts was found in expanding and developing leaves, but only to a minor extent in the shoot apex. Apical allocated (35)S was identified as sulphate. Apparently the demand of young developing leaves for reduced sulphur was not fulfilled by mature leaves. Therefore, reduced sulphur for growth and development of young developing leaves must be supplied from other sources. In vitro activity of enzymes involved in assimilatory sulphate reduction was measured to investigate whether demand for reduced sulphur by young leaves is met by their own sulphate reduction. ATP sulphurylase and APS reductase activities were not significantly lower in developing than in mature leaves. Sulphite reductase and serine acetyltransferase activities were highest in developing leaves; O:-acetylserine (thiol) lyase activity was similar in all leaf developing stages. Apparently, young developing poplar leaves are able to produce their own reduced sulphur for growth and development. Whether other sources such as storage tissues and/or roots are involved in reduced sulphur supply to developing leaves remains to be elucidated.
DOI: 10.1093/jexbot/51.347.1077
PubMed: 10948235
Affiliations:
Links toward previous steps (curation, corpus...)
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Hartmann</name><affiliation wicri:level="3"><nlm:affiliation>Albert-Ludwigs-Universität Freiburg, Institut für Forstbotanik und Baumphysiologie, Professur für Baumphysiologie, Am Flughafen 17, D-79085 Freiburg i.B., Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Albert-Ludwigs-Universität Freiburg, Institut für Forstbotanik und Baumphysiologie, Professur für Baumphysiologie, Am Flughafen 17, D-79085 Freiburg i.B.</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="Mult, S" sort="Mult, S" uniqKey="Mult S" first="S" last="Mult">S. Mult</name></author><author><name sortKey="Suter, M" sort="Suter, M" uniqKey="Suter M" first="M" last="Suter">M. 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Hartmann</name><affiliation wicri:level="3"><nlm:affiliation>Albert-Ludwigs-Universität Freiburg, Institut für Forstbotanik und Baumphysiologie, Professur für Baumphysiologie, Am Flughafen 17, D-79085 Freiburg i.B., Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Albert-Ludwigs-Universität Freiburg, Institut für Forstbotanik und Baumphysiologie, Professur für Baumphysiologie, Am Flughafen 17, D-79085 Freiburg i.B.</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="Mult, S" sort="Mult, S" uniqKey="Mult S" first="S" last="Mult">S. Mult</name></author><author><name sortKey="Suter, M" sort="Suter, M" uniqKey="Suter M" first="M" last="Suter">M. Suter</name></author><author><name sortKey="Rennenberg, H" sort="Rennenberg, H" uniqKey="Rennenberg H" first="H" last="Rennenberg">H. Rennenberg</name></author><author><name sortKey="Herschbach, C" sort="Herschbach, C" uniqKey="Herschbach C" first="C" last="Herschbach">C. Herschbach</name></author></analytic><series><title level="j">Journal of experimental botany</title><idno type="ISSN">0022-0957</idno><imprint><date when="2000" type="published">2000</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biological Transport (MeSH)</term><term>Oxidoreductases (metabolism)</term><term>Oxidoreductases Acting on Sulfur Group Donors (MeSH)</term><term>Plant Leaves (growth & development)</term><term>Plant Leaves (metabolism)</term><term>Plant Leaves (physiology)</term><term>Sulfate Adenylyltransferase (metabolism)</term><term>Sulfur (metabolism)</term><term>Trees (growth & development)</term><term>Trees (metabolism)</term><term>Trees (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Arbres (croissance et développement)</term><term>Arbres (métabolisme)</term><term>Arbres (physiologie)</term><term>Feuilles de plante (croissance et développement)</term><term>Feuilles de plante (métabolisme)</term><term>Feuilles de plante (physiologie)</term><term>Oxidoreductases (métabolisme)</term><term>Oxidoreductases acting on sulfur group donors (MeSH)</term><term>Soufre (métabolisme)</term><term>Sulfate adenylyltransferase (métabolisme)</term><term>Transport biologique (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Oxidoreductases</term><term>Sulfate Adenylyltransferase</term><term>Sulfur</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Arbres</term><term>Feuilles de plante</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Leaves</term><term>Trees</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Leaves</term><term>Trees</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Arbres</term><term>Feuilles de plante</term><term>Oxidoreductases</term><term>Soufre</term><term>Sulfate adenylyltransferase</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Arbres</term><term>Feuilles de plante</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Plant Leaves</term><term>Trees</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biological Transport</term><term>Oxidoreductases Acting on Sulfur Group Donors</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Oxidoreductases acting on sulfur group donors</term><term>Transport biologique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">35S-sulphate was flap-fed to poplar leaves of different leaf development stages - young developing, expanding, mature, and old mature poplar leaves. (35)S-sulphate was taken up independent of the leaf development stage. Whereas young development leaves did not export the (35)S taken up, export increased with increasing leaf development stage. Expanding leaves allocated the exported (35)S mainly into apical tree parts (73-87%) and only to a minor extent (13-27%) in basipetal direction. Neither lower trunk sections nor the roots were sinks for the exported (35)S. Expanding and developing leaves, but not the shoot apex, were the main sinks for the (35)S allocated in apical direction. In contrast, mature and old mature leaves exported the (35)S taken up mainly in basipetal direction (65-82%) with the roots constituting the main sinks. The (35)S allocated into apical tree parts was found in expanding and developing leaves, but only to a minor extent in the shoot apex. Apical allocated (35)S was identified as sulphate. Apparently the demand of young developing leaves for reduced sulphur was not fulfilled by mature leaves. Therefore, reduced sulphur for growth and development of young developing leaves must be supplied from other sources. In vitro activity of enzymes involved in assimilatory sulphate reduction was measured to investigate whether demand for reduced sulphur by young leaves is met by their own sulphate reduction. ATP sulphurylase and APS reductase activities were not significantly lower in developing than in mature leaves. Sulphite reductase and serine acetyltransferase activities were highest in developing leaves; O:-acetylserine (thiol) lyase activity was similar in all leaf developing stages. Apparently, young developing poplar leaves are able to produce their own reduced sulphur for growth and development. Whether other sources such as storage tissues and/or roots are involved in reduced sulphur supply to developing leaves remains to be elucidated.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">10948235</PMID><DateCompleted><Year>2000</Year><Month>11</Month><Day>13</Day></DateCompleted><DateRevised><Year>2019</Year><Month>05</Month><Day>13</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0022-0957</ISSN><JournalIssue CitedMedium="Print"><Volume>51</Volume><Issue>347</Issue><PubDate><Year>2000</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Journal of experimental botany</Title><ISOAbbreviation>J Exp Bot</ISOAbbreviation></Journal><ArticleTitle>Leaf age-dependent differences in sulphur assimilation and allocation in poplar (Populus tremula x P. alba) leaves.</ArticleTitle><Pagination><MedlinePgn>1077-88</MedlinePgn></Pagination><Abstract><AbstractText>35S-sulphate was flap-fed to poplar leaves of different leaf development stages - young developing, expanding, mature, and old mature poplar leaves. (35)S-sulphate was taken up independent of the leaf development stage. Whereas young development leaves did not export the (35)S taken up, export increased with increasing leaf development stage. Expanding leaves allocated the exported (35)S mainly into apical tree parts (73-87%) and only to a minor extent (13-27%) in basipetal direction. Neither lower trunk sections nor the roots were sinks for the exported (35)S. Expanding and developing leaves, but not the shoot apex, were the main sinks for the (35)S allocated in apical direction. In contrast, mature and old mature leaves exported the (35)S taken up mainly in basipetal direction (65-82%) with the roots constituting the main sinks. The (35)S allocated into apical tree parts was found in expanding and developing leaves, but only to a minor extent in the shoot apex. Apical allocated (35)S was identified as sulphate. Apparently the demand of young developing leaves for reduced sulphur was not fulfilled by mature leaves. Therefore, reduced sulphur for growth and development of young developing leaves must be supplied from other sources. In vitro activity of enzymes involved in assimilatory sulphate reduction was measured to investigate whether demand for reduced sulphur by young leaves is met by their own sulphate reduction. ATP sulphurylase and APS reductase activities were not significantly lower in developing than in mature leaves. Sulphite reductase and serine acetyltransferase activities were highest in developing leaves; O:-acetylserine (thiol) lyase activity was similar in all leaf developing stages. Apparently, young developing poplar leaves are able to produce their own reduced sulphur for growth and development. Whether other sources such as storage tissues and/or roots are involved in reduced sulphur supply to developing leaves remains to be elucidated.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hartmann</LastName><ForeName>T</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Albert-Ludwigs-Universität Freiburg, Institut für Forstbotanik und Baumphysiologie, Professur für Baumphysiologie, Am Flughafen 17, D-79085 Freiburg i.B., Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mult</LastName><ForeName>S</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Suter</LastName><ForeName>M</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Rennenberg</LastName><ForeName>H</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Herschbach</LastName><ForeName>C</ForeName><Initials>C</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>J Exp Bot</MedlineTA><NlmUniqueID>9882906</NlmUniqueID><ISSNLinking>0022-0957</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>70FD1KFU70</RegistryNumber><NameOfSubstance UI="D013455">Sulfur</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.-</RegistryNumber><NameOfSubstance UI="D010088">Oxidoreductases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.8.-</RegistryNumber><NameOfSubstance UI="D050862">Oxidoreductases Acting on Sulfur Group Donors</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.8.99.2</RegistryNumber><NameOfSubstance UI="C019618">adenylylsulfate reductase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 2.7.7.4</RegistryNumber><NameOfSubstance UI="D013430">Sulfate Adenylyltransferase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001692" MajorTopicYN="N">Biological Transport</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010088" MajorTopicYN="N">Oxidoreductases</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D050862" MajorTopicYN="Y">Oxidoreductases Acting on Sulfur Group Donors</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013430" MajorTopicYN="N">Sulfate Adenylyltransferase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013455" MajorTopicYN="N">Sulfur</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2000</Year><Month>8</Month><Day>19</Day><Hour>11</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2001</Year><Month>2</Month><Day>28</Day><Hour>10</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2000</Year><Month>8</Month><Day>19</Day><Hour>11</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">10948235</ArticleId><ArticleId IdType="doi">10.1093/jexbot/51.347.1077</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="Herschbach, C" sort="Herschbach, C" uniqKey="Herschbach C" first="C" last="Herschbach">C. Herschbach</name><name sortKey="Mult, S" sort="Mult, S" uniqKey="Mult S" first="S" last="Mult">S. Mult</name><name sortKey="Rennenberg, H" sort="Rennenberg, H" uniqKey="Rennenberg H" first="H" last="Rennenberg">H. Rennenberg</name><name sortKey="Suter, M" sort="Suter, M" uniqKey="Suter M" first="M" last="Suter">M. Suter</name></noCountry><country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Hartmann, T" sort="Hartmann, T" uniqKey="Hartmann T" first="T" last="Hartmann">T. Hartmann</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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