Do high-tannin leaves require more roots?
Identifieur interne : 003E30 ( Main/Exploration ); précédent : 003E29; suivant : 003E31Do high-tannin leaves require more roots?
Auteurs : D G Fischer [États-Unis] ; S C Hart ; B J Rehill ; R L Lindroth ; P. Keim ; T G WhithamSource :
- Oecologia [ 0029-8549 ] ; 2006.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Populus, Racines de plante.
- génétique : Populus.
- métabolisme : Feuilles de plante, Populus, Proanthocyanidines.
- Hybridation génétique, Polymorphisme de restriction.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Proanthocyanidins.
- genetics : Populus.
- growth & development : Plant Roots, Populus.
- metabolism : Plant Leaves, Populus.
- Hybridization, Genetic, Polymorphism, Restriction Fragment Length.
Abstract
The well-known deceleration of nitrogen (N) cycling in the soil resulting from addition of large amounts of foliar condensed tannins may require increased fine-root growth in order to meet plant demands for N. We examined correlations between fine-root production, plant genetics, and leaf secondary compounds in Populus angustifolia, P. fremontii, and their hybrids. We measured fine-root (<2 mm) production and leaf chemistry along an experimental genetic gradient where leaf litter tannin concentrations are genetically based and exert strong control on net N mineralization in the soil. Fine-root production was highly correlated with leaf tannins and individual tree genetic composition based upon genetic marker estimates, suggesting potential genetic control of compensatory root growth in response to accumulation of foliar secondary compounds in soils. We suggest, based on previous studies in our system and the current study, that genes for tannin production could link foliar chemistry and root growth, which may provide a powerful setting for external feedbacks between above- and belowground processes.
DOI: 10.1007/s00442-006-0471-7
PubMed: 16804703
Affiliations:
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Keim</name></author><author><name sortKey="Whitham, T G" sort="Whitham, T G" uniqKey="Whitham T" first="T G" last="Whitham">T G Whitham</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2006">2006</date><idno type="RBID">pubmed:16804703</idno><idno type="pmid">16804703</idno><idno type="doi">10.1007/s00442-006-0471-7</idno><idno type="wicri:Area/Main/Corpus">003D84</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003D84</idno><idno type="wicri:Area/Main/Curation">003D84</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">003D84</idno><idno type="wicri:Area/Main/Exploration">003D84</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Do high-tannin leaves require more roots?</title><author><name sortKey="Fischer, D G" sort="Fischer, D G" uniqKey="Fischer D" first="D G" last="Fischer">D G Fischer</name><affiliation wicri:level="2"><nlm:affiliation>School of Forestry, Northern Arizona University, Flagstaff, AZ 86011, USA. fischerd@evergreen.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>School of Forestry, Northern Arizona University, Flagstaff, AZ 86011</wicri:regionArea><placeName><region type="state">Arizona</region></placeName></affiliation></author><author><name sortKey="Hart, S C" sort="Hart, S C" uniqKey="Hart S" first="S C" last="Hart">S C Hart</name></author><author><name sortKey="Rehill, B J" sort="Rehill, B J" uniqKey="Rehill B" first="B J" last="Rehill">B J Rehill</name></author><author><name sortKey="Lindroth, R L" sort="Lindroth, R L" uniqKey="Lindroth R" first="R L" last="Lindroth">R L Lindroth</name></author><author><name sortKey="Keim, P" sort="Keim, P" uniqKey="Keim P" first="P" last="Keim">P. Keim</name></author><author><name sortKey="Whitham, T G" sort="Whitham, T G" uniqKey="Whitham T" first="T G" last="Whitham">T G Whitham</name></author></analytic><series><title level="j">Oecologia</title><idno type="ISSN">0029-8549</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Hybridization, Genetic (MeSH)</term><term>Plant Leaves (metabolism)</term><term>Plant Roots (growth & development)</term><term>Polymorphism, Restriction Fragment Length (MeSH)</term><term>Populus (genetics)</term><term>Populus (growth & development)</term><term>Populus (metabolism)</term><term>Proanthocyanidins (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Feuilles de plante (métabolisme)</term><term>Hybridation génétique (MeSH)</term><term>Polymorphisme de restriction (MeSH)</term><term>Populus (croissance et développement)</term><term>Populus (génétique)</term><term>Populus (métabolisme)</term><term>Proanthocyanidines (métabolisme)</term><term>Racines de plante (croissance et développement)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Proanthocyanidins</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Populus</term><term>Racines de plante</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Roots</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Feuilles de plante</term><term>Populus</term><term>Proanthocyanidines</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Hybridization, Genetic</term><term>Polymorphism, Restriction Fragment Length</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Hybridation génétique</term><term>Polymorphisme de restriction</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The well-known deceleration of nitrogen (N) cycling in the soil resulting from addition of large amounts of foliar condensed tannins may require increased fine-root growth in order to meet plant demands for N. We examined correlations between fine-root production, plant genetics, and leaf secondary compounds in Populus angustifolia, P. fremontii, and their hybrids. We measured fine-root (<2 mm) production and leaf chemistry along an experimental genetic gradient where leaf litter tannin concentrations are genetically based and exert strong control on net N mineralization in the soil. Fine-root production was highly correlated with leaf tannins and individual tree genetic composition based upon genetic marker estimates, suggesting potential genetic control of compensatory root growth in response to accumulation of foliar secondary compounds in soils. We suggest, based on previous studies in our system and the current study, that genes for tannin production could link foliar chemistry and root growth, which may provide a powerful setting for external feedbacks between above- and belowground processes.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16804703</PMID><DateCompleted><Year>2006</Year><Month>12</Month><Day>15</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0029-8549</ISSN><JournalIssue CitedMedium="Print"><Volume>149</Volume><Issue>4</Issue><PubDate><Year>2006</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Oecologia</Title><ISOAbbreviation>Oecologia</ISOAbbreviation></Journal><ArticleTitle>Do high-tannin leaves require more roots?</ArticleTitle><Pagination><MedlinePgn>668-75</MedlinePgn></Pagination><Abstract><AbstractText>The well-known deceleration of nitrogen (N) cycling in the soil resulting from addition of large amounts of foliar condensed tannins may require increased fine-root growth in order to meet plant demands for N. We examined correlations between fine-root production, plant genetics, and leaf secondary compounds in Populus angustifolia, P. fremontii, and their hybrids. We measured fine-root (<2 mm) production and leaf chemistry along an experimental genetic gradient where leaf litter tannin concentrations are genetically based and exert strong control on net N mineralization in the soil. Fine-root production was highly correlated with leaf tannins and individual tree genetic composition based upon genetic marker estimates, suggesting potential genetic control of compensatory root growth in response to accumulation of foliar secondary compounds in soils. We suggest, based on previous studies in our system and the current study, that genes for tannin production could link foliar chemistry and root growth, which may provide a powerful setting for external feedbacks between above- and belowground processes.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Fischer</LastName><ForeName>D G</ForeName><Initials>DG</Initials><AffiliationInfo><Affiliation>School of Forestry, Northern Arizona University, Flagstaff, AZ 86011, USA. fischerd@evergreen.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hart</LastName><ForeName>S C</ForeName><Initials>SC</Initials></Author><Author ValidYN="Y"><LastName>Rehill</LastName><ForeName>B J</ForeName><Initials>BJ</Initials></Author><Author ValidYN="Y"><LastName>Lindroth</LastName><ForeName>R L</ForeName><Initials>RL</Initials></Author><Author ValidYN="Y"><LastName>Keim</LastName><ForeName>P</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Whitham</LastName><ForeName>T G</ForeName><Initials>TG</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2006</Year><Month>06</Month><Day>28</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Oecologia</MedlineTA><NlmUniqueID>0150372</NlmUniqueID><ISSNLinking>0029-8549</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D044945">Proanthocyanidins</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D006824" MajorTopicYN="N">Hybridization, 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last="Keim">P. Keim</name><name sortKey="Lindroth, R L" sort="Lindroth, R L" uniqKey="Lindroth R" first="R L" last="Lindroth">R L Lindroth</name><name sortKey="Rehill, B J" sort="Rehill, B J" uniqKey="Rehill B" first="B J" last="Rehill">B J Rehill</name><name sortKey="Whitham, T G" sort="Whitham, T G" uniqKey="Whitham T" first="T G" last="Whitham">T G Whitham</name></noCountry><country name="États-Unis"><region name="Arizona"><name sortKey="Fischer, D G" sort="Fischer, D G" uniqKey="Fischer D" first="D G" last="Fischer">D G Fischer</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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