Developmental contributions to phenotypic variation in functional leaf traits within quaking aspen clones.
Identifieur interne : 002E88 ( Main/Corpus ); précédent : 002E87; suivant : 002E89Developmental contributions to phenotypic variation in functional leaf traits within quaking aspen clones.
Auteurs : Eric A. Smith ; Sean B. Collette ; Thomas A. Boynton ; Tiffany Lillrose ; Mikel R. Stevens ; Matthew F. Bekker ; Dennis Eggett ; Samuel B. St ClairSource :
- Tree physiology [ 1758-4469 ] ; 2011.
English descriptors
- KwdEn :
- Adaptation, Physiological (MeSH), Analysis of Variance (MeSH), DNA, Plant (chemistry), DNA, Plant (genetics), Environment (MeSH), Genetic Markers (MeSH), Genetic Variation (genetics), Genetic Variation (physiology), Phenotype (MeSH), Photosynthesis (physiology), Plant Leaves (anatomy & histology), Plant Leaves (genetics), Plant Leaves (growth & development), Plant Leaves (physiology), Plant Stomata (physiology), Plant Transpiration (physiology), Polymerase Chain Reaction (MeSH), Populus (anatomy & histology), Populus (genetics), Populus (growth & development), Populus (physiology), Regression Analysis (MeSH), Time Factors (MeSH), Water (metabolism).
- MESH :
- chemical , chemistry : DNA, Plant.
- chemical , genetics : DNA, Plant.
- anatomy & histology : Plant Leaves, Populus.
- genetics : Genetic Variation, Plant Leaves, Populus.
- growth & development : Plant Leaves, Populus.
- chemical , metabolism : Water.
- physiology : Genetic Variation, Photosynthesis, Plant Leaves, Plant Stomata, Plant Transpiration, Populus.
- Adaptation, Physiological, Analysis of Variance, Environment, Genetic Markers, Phenotype, Polymerase Chain Reaction, Regression Analysis, Time Factors.
Abstract
Phenotypic variation in plant traits is strongly influenced by genetic and environmental factors. Over the life span of trees, developmental factors may also strongly influence leaf phenotypes. The objective of this study was to fill gaps in our understanding of developmental influences on patterns of phenotypic trait variation among different-aged ramets within quaking aspen (Populus tremuloides Michx.) clones. We hypothesized that phenotypic variation in leaf functional traits is strongly influenced by developmental cues as trees age. We surveyed eight aspen clones, each with eight distinct age classes ranging from 1 to 160 years in age, and selected three ramets per age class for sample collection. Leaf traits measured included photosynthesis, stomatal conductance, water use efficiency, specific leaf area, and concentrations of N, phosphorus, sucrose, starch, condensed tannins and phenolic glycosides. Using regression analysis, we examined the relationships between ramet age and expression of leaf functional traits. The data showed significant correlations between ramet age and 10 of the 12 phenotypic traits measured. Eight of the phenotypic traits demonstrated a non-linear relationship in which large changes in phenotype occurred in the early stages of ramet development and stabilized thereafter. Water relations, nutrient concentration, leaf gas exchange and phenolic glycosides tended to decrease from early to late development, whereas sucrose, condensed tannin concentrations and water use efficiency increased with ramet age. We hypothesize that ontogenetically derived phenotypic variation leads to fitness differentials among different-aged ramets, which may have important implications for clone fitness. Age-related increases in phenotypic diversity may partially underlie aspen's ability to tolerate the large environmental gradients that span its broad geographical range.
DOI: 10.1093/treephys/tpq100
PubMed: 21389003
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Boynton</name></author><author><name sortKey="Lillrose, Tiffany" sort="Lillrose, Tiffany" uniqKey="Lillrose T" first="Tiffany" last="Lillrose">Tiffany Lillrose</name></author><author><name sortKey="Stevens, Mikel R" sort="Stevens, Mikel R" uniqKey="Stevens M" first="Mikel R" last="Stevens">Mikel R. Stevens</name></author><author><name sortKey="Bekker, Matthew F" sort="Bekker, Matthew F" uniqKey="Bekker M" first="Matthew F" last="Bekker">Matthew F. Bekker</name></author><author><name sortKey="Eggett, Dennis" sort="Eggett, Dennis" uniqKey="Eggett D" first="Dennis" last="Eggett">Dennis Eggett</name></author><author><name sortKey="St Clair, Samuel B" sort="St Clair, Samuel B" uniqKey="St Clair S" first="Samuel B" last="St Clair">Samuel B. St Clair</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="RBID">pubmed:21389003</idno><idno type="pmid">21389003</idno><idno type="doi">10.1093/treephys/tpq100</idno><idno type="wicri:Area/Main/Corpus">002E88</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002E88</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Developmental contributions to phenotypic variation in functional leaf traits within quaking aspen clones.</title><author><name sortKey="Smith, Eric A" sort="Smith, Eric A" uniqKey="Smith E" first="Eric A" last="Smith">Eric A. Smith</name><affiliation><nlm:affiliation>Department of Plant and Wildlife Sciences, Brigham Young University, Provo, UT 84602, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Collette, Sean B" sort="Collette, Sean B" uniqKey="Collette S" first="Sean B" last="Collette">Sean B. Collette</name></author><author><name sortKey="Boynton, Thomas A" sort="Boynton, Thomas A" uniqKey="Boynton T" first="Thomas A" last="Boynton">Thomas A. Boynton</name></author><author><name sortKey="Lillrose, Tiffany" sort="Lillrose, Tiffany" uniqKey="Lillrose T" first="Tiffany" last="Lillrose">Tiffany Lillrose</name></author><author><name sortKey="Stevens, Mikel R" sort="Stevens, Mikel R" uniqKey="Stevens M" first="Mikel R" last="Stevens">Mikel R. Stevens</name></author><author><name sortKey="Bekker, Matthew F" sort="Bekker, Matthew F" uniqKey="Bekker M" first="Matthew F" last="Bekker">Matthew F. Bekker</name></author><author><name sortKey="Eggett, Dennis" sort="Eggett, Dennis" uniqKey="Eggett D" first="Dennis" last="Eggett">Dennis Eggett</name></author><author><name sortKey="St Clair, Samuel B" sort="St Clair, Samuel B" uniqKey="St Clair S" first="Samuel B" last="St Clair">Samuel B. St Clair</name></author></analytic><series><title level="j">Tree physiology</title><idno type="eISSN">1758-4469</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Physiological (MeSH)</term><term>Analysis of Variance (MeSH)</term><term>DNA, Plant (chemistry)</term><term>DNA, Plant (genetics)</term><term>Environment (MeSH)</term><term>Genetic Markers (MeSH)</term><term>Genetic Variation (genetics)</term><term>Genetic Variation (physiology)</term><term>Phenotype (MeSH)</term><term>Photosynthesis (physiology)</term><term>Plant Leaves (anatomy & histology)</term><term>Plant Leaves (genetics)</term><term>Plant Leaves (growth & development)</term><term>Plant Leaves (physiology)</term><term>Plant Stomata (physiology)</term><term>Plant Transpiration (physiology)</term><term>Polymerase Chain Reaction (MeSH)</term><term>Populus (anatomy & histology)</term><term>Populus (genetics)</term><term>Populus (growth & development)</term><term>Populus (physiology)</term><term>Regression Analysis (MeSH)</term><term>Time Factors (MeSH)</term><term>Water (metabolism)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>DNA, Plant</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Plant</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Genetic Variation</term><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Water</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Genetic Variation</term><term>Photosynthesis</term><term>Plant Leaves</term><term>Plant Stomata</term><term>Plant Transpiration</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adaptation, Physiological</term><term>Analysis of Variance</term><term>Environment</term><term>Genetic Markers</term><term>Phenotype</term><term>Polymerase Chain Reaction</term><term>Regression Analysis</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Phenotypic variation in plant traits is strongly influenced by genetic and environmental factors. Over the life span of trees, developmental factors may also strongly influence leaf phenotypes. The objective of this study was to fill gaps in our understanding of developmental influences on patterns of phenotypic trait variation among different-aged ramets within quaking aspen (Populus tremuloides Michx.) clones. We hypothesized that phenotypic variation in leaf functional traits is strongly influenced by developmental cues as trees age. We surveyed eight aspen clones, each with eight distinct age classes ranging from 1 to 160 years in age, and selected three ramets per age class for sample collection. Leaf traits measured included photosynthesis, stomatal conductance, water use efficiency, specific leaf area, and concentrations of N, phosphorus, sucrose, starch, condensed tannins and phenolic glycosides. Using regression analysis, we examined the relationships between ramet age and expression of leaf functional traits. The data showed significant correlations between ramet age and 10 of the 12 phenotypic traits measured. Eight of the phenotypic traits demonstrated a non-linear relationship in which large changes in phenotype occurred in the early stages of ramet development and stabilized thereafter. Water relations, nutrient concentration, leaf gas exchange and phenolic glycosides tended to decrease from early to late development, whereas sucrose, condensed tannin concentrations and water use efficiency increased with ramet age. We hypothesize that ontogenetically derived phenotypic variation leads to fitness differentials among different-aged ramets, which may have important implications for clone fitness. Age-related increases in phenotypic diversity may partially underlie aspen's ability to tolerate the large environmental gradients that span its broad geographical range.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21389003</PMID><DateCompleted><Year>2012</Year><Month>09</Month><Day>20</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>31</Volume><Issue>1</Issue><PubDate><Year>2011</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Developmental contributions to phenotypic variation in functional leaf traits within quaking aspen clones.</ArticleTitle><Pagination><MedlinePgn>68-77</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpq100</ELocationID><Abstract><AbstractText>Phenotypic variation in plant traits is strongly influenced by genetic and environmental factors. Over the life span of trees, developmental factors may also strongly influence leaf phenotypes. The objective of this study was to fill gaps in our understanding of developmental influences on patterns of phenotypic trait variation among different-aged ramets within quaking aspen (Populus tremuloides Michx.) clones. We hypothesized that phenotypic variation in leaf functional traits is strongly influenced by developmental cues as trees age. We surveyed eight aspen clones, each with eight distinct age classes ranging from 1 to 160 years in age, and selected three ramets per age class for sample collection. Leaf traits measured included photosynthesis, stomatal conductance, water use efficiency, specific leaf area, and concentrations of N, phosphorus, sucrose, starch, condensed tannins and phenolic glycosides. Using regression analysis, we examined the relationships between ramet age and expression of leaf functional traits. The data showed significant correlations between ramet age and 10 of the 12 phenotypic traits measured. Eight of the phenotypic traits demonstrated a non-linear relationship in which large changes in phenotype occurred in the early stages of ramet development and stabilized thereafter. Water relations, nutrient concentration, leaf gas exchange and phenolic glycosides tended to decrease from early to late development, whereas sucrose, condensed tannin concentrations and water use efficiency increased with ramet age. We hypothesize that ontogenetically derived phenotypic variation leads to fitness differentials among different-aged ramets, which may have important implications for clone fitness. Age-related increases in phenotypic diversity may partially underlie aspen's ability to tolerate the large environmental gradients that span its broad geographical range.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Smith</LastName><ForeName>Eric A</ForeName><Initials>EA</Initials><AffiliationInfo><Affiliation>Department of Plant and Wildlife Sciences, Brigham Young University, Provo, UT 84602, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Collette</LastName><ForeName>Sean B</ForeName><Initials>SB</Initials></Author><Author ValidYN="Y"><LastName>Boynton</LastName><ForeName>Thomas A</ForeName><Initials>TA</Initials></Author><Author ValidYN="Y"><LastName>Lillrose</LastName><ForeName>Tiffany</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Stevens</LastName><ForeName>Mikel R</ForeName><Initials>MR</Initials></Author><Author ValidYN="Y"><LastName>Bekker</LastName><ForeName>Matthew F</ForeName><Initials>MF</Initials></Author><Author ValidYN="Y"><LastName>Eggett</LastName><ForeName>Dennis</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>St Clair</LastName><ForeName>Samuel B</ForeName><Initials>SB</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>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D018744">DNA, Plant</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005819">Genetic Markers</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000222" MajorTopicYN="N">Adaptation, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000704" MajorTopicYN="N">Analysis of Variance</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018744" MajorTopicYN="N">DNA, Plant</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004777" MajorTopicYN="N">Environment</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005819" MajorTopicYN="N">Genetic Markers</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014644" MajorTopicYN="N">Genetic Variation</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010641" MajorTopicYN="N">Phenotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054046" MajorTopicYN="N">Plant Stomata</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018526" MajorTopicYN="N">Plant Transpiration</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D016133" MajorTopicYN="N">Polymerase Chain Reaction</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012044" MajorTopicYN="N">Regression Analysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>3</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>3</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>9</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21389003</ArticleId><ArticleId IdType="pii">tpq100</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpq100</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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