Testing a 'genes-to-ecosystems' approach to understanding aquatic-terrestrial linkages.
Identifieur interne : 002023 ( Main/Exploration ); précédent : 002022; suivant : 002024Testing a 'genes-to-ecosystems' approach to understanding aquatic-terrestrial linkages.
Auteurs : Gregory M. Crutsinger [Canada] ; Seth M. Rudman ; Mariano A. Rodriguez-Cabal ; Athena D. Mckown ; Takuya Sato ; Andrew M. Macdonald ; Julian Heavyside ; Armando Geraldes ; Edmund M. Hart ; Carri J. Leroy ; Rana W. El-SabaawiSource :
- Molecular ecology [ 1365-294X ] ; 2014.
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Abstract
A 'genes-to-ecosystems' approach has been proposed as a novel avenue for integrating the consequences of intraspecific genetic variation with the underlying genetic architecture of a species to shed light on the relationships among hierarchies of ecological organization (genes → individuals → communities → ecosystems). However, attempts to identify genes with major effect on the structure of communities and/or ecosystem processes have been limited and a comprehensive test of this approach has yet to emerge. Here, we present an interdisciplinary field study that integrated a common garden containing different genotypes of a dominant, riparian tree, Populus trichocarpa, and aquatic mesocosms to determine how intraspecific variation in leaf litter alters both terrestrial and aquatic communities and ecosystem functioning. Moreover, we incorporate data from extensive trait screening and genome-wide association studies estimating the heritability and genes associated with litter characteristics. We found that tree genotypes varied considerably in the quality and production of leaf litter, which contributed to variation in phytoplankton abundances, as well as nutrient dynamics and light availability in aquatic mesocosms. These 'after-life' effects of litter from different genotypes were comparable to the responses of terrestrial communities associated with the living foliage. We found that multiple litter traits corresponding with aquatic community and ecosystem responses differed in their heritability. Moreover, the underlying genetic architecture of these traits was complex, and many genes contributed only a small proportion to phenotypic variation. Our results provide further evidence that genetic variation is a key component of aquatic-terrestrial linkages, but challenge the ability to predict community or ecosystem responses based on the actions of one or a few genes.
DOI: 10.1111/mec.12931
PubMed: 25243489
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Crutsinger</name><affiliation wicri:level="4"><nlm:affiliation>Department of Zoology, University of British Columbia, 4200-6270 University Blvd., Vancouver, BC, V6T1Z4, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Zoology, University of British Columbia, 4200-6270 University Blvd., Vancouver, BC, V6T1Z4</wicri:regionArea><orgName type="university">Université de la Colombie-Britannique</orgName><placeName><settlement type="city">Vancouver</settlement><region type="state">Colombie-Britannique </region></placeName></affiliation></author><author><name sortKey="Rudman, Seth M" sort="Rudman, Seth M" uniqKey="Rudman S" first="Seth M" last="Rudman">Seth M. Rudman</name></author><author><name sortKey="Rodriguez Cabal, Mariano A" sort="Rodriguez Cabal, Mariano A" uniqKey="Rodriguez Cabal M" first="Mariano A" last="Rodriguez-Cabal">Mariano A. Rodriguez-Cabal</name></author><author><name sortKey="Mckown, Athena D" sort="Mckown, Athena D" uniqKey="Mckown A" first="Athena D" last="Mckown">Athena D. Mckown</name></author><author><name sortKey="Sato, Takuya" sort="Sato, Takuya" uniqKey="Sato T" first="Takuya" last="Sato">Takuya Sato</name></author><author><name sortKey="Macdonald, Andrew M" sort="Macdonald, Andrew M" uniqKey="Macdonald A" first="Andrew M" last="Macdonald">Andrew M. Macdonald</name></author><author><name sortKey="Heavyside, Julian" sort="Heavyside, Julian" uniqKey="Heavyside J" first="Julian" last="Heavyside">Julian Heavyside</name></author><author><name sortKey="Geraldes, Armando" sort="Geraldes, Armando" uniqKey="Geraldes A" first="Armando" last="Geraldes">Armando Geraldes</name></author><author><name sortKey="Hart, Edmund M" sort="Hart, Edmund M" uniqKey="Hart E" first="Edmund M" last="Hart">Edmund M. 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Crutsinger</name><affiliation wicri:level="4"><nlm:affiliation>Department of Zoology, University of British Columbia, 4200-6270 University Blvd., Vancouver, BC, V6T1Z4, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Zoology, University of British Columbia, 4200-6270 University Blvd., Vancouver, BC, V6T1Z4</wicri:regionArea><orgName type="university">Université de la Colombie-Britannique</orgName><placeName><settlement type="city">Vancouver</settlement><region type="state">Colombie-Britannique </region></placeName></affiliation></author><author><name sortKey="Rudman, Seth M" sort="Rudman, Seth M" uniqKey="Rudman S" first="Seth M" last="Rudman">Seth M. Rudman</name></author><author><name sortKey="Rodriguez Cabal, Mariano A" sort="Rodriguez Cabal, Mariano A" uniqKey="Rodriguez Cabal M" first="Mariano A" last="Rodriguez-Cabal">Mariano A. Rodriguez-Cabal</name></author><author><name sortKey="Mckown, Athena D" sort="Mckown, Athena D" uniqKey="Mckown A" first="Athena D" last="Mckown">Athena D. Mckown</name></author><author><name sortKey="Sato, Takuya" sort="Sato, Takuya" uniqKey="Sato T" first="Takuya" last="Sato">Takuya Sato</name></author><author><name sortKey="Macdonald, Andrew M" sort="Macdonald, Andrew M" uniqKey="Macdonald A" first="Andrew M" last="Macdonald">Andrew M. Macdonald</name></author><author><name sortKey="Heavyside, Julian" sort="Heavyside, Julian" uniqKey="Heavyside J" first="Julian" last="Heavyside">Julian Heavyside</name></author><author><name sortKey="Geraldes, Armando" sort="Geraldes, Armando" uniqKey="Geraldes A" first="Armando" last="Geraldes">Armando Geraldes</name></author><author><name sortKey="Hart, Edmund M" sort="Hart, Edmund M" uniqKey="Hart E" first="Edmund M" last="Hart">Edmund M. Hart</name></author><author><name sortKey="Leroy, Carri J" sort="Leroy, Carri J" uniqKey="Leroy C" first="Carri J" last="Leroy">Carri J. Leroy</name></author><author><name sortKey="El Sabaawi, Rana W" sort="El Sabaawi, Rana W" uniqKey="El Sabaawi R" first="Rana W" last="El-Sabaawi">Rana W. El-Sabaawi</name></author></analytic><series><title level="j">Molecular ecology</title><idno type="eISSN">1365-294X</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aquatic Organisms (MeSH)</term><term>Biota (MeSH)</term><term>Ecosystem (MeSH)</term><term>Genetic Association Studies (MeSH)</term><term>Genetic Variation (MeSH)</term><term>Genotype (MeSH)</term><term>Hydrobiology (MeSH)</term><term>Phenotype (MeSH)</term><term>Phytoplankton (MeSH)</term><term>Plant Leaves (MeSH)</term><term>Populus (genetics)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Biote (MeSH)</term><term>Feuilles de plante (MeSH)</term><term>Génotype (MeSH)</term><term>Hydrobiologie (MeSH)</term><term>Organismes aquatiques (MeSH)</term><term>Phytoplancton (MeSH)</term><term>Phénotype (MeSH)</term><term>Populus (génétique)</term><term>Variation génétique (MeSH)</term><term>Écosystème (MeSH)</term><term>Études d'associations génétiques (MeSH)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aquatic Organisms</term><term>Biota</term><term>Ecosystem</term><term>Genetic Association Studies</term><term>Genetic Variation</term><term>Genotype</term><term>Hydrobiology</term><term>Phenotype</term><term>Phytoplankton</term><term>Plant Leaves</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Biote</term><term>Feuilles de plante</term><term>Génotype</term><term>Hydrobiologie</term><term>Organismes aquatiques</term><term>Phytoplancton</term><term>Phénotype</term><term>Variation génétique</term><term>Écosystème</term><term>Études d'associations génétiques</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A 'genes-to-ecosystems' approach has been proposed as a novel avenue for integrating the consequences of intraspecific genetic variation with the underlying genetic architecture of a species to shed light on the relationships among hierarchies of ecological organization (genes → individuals → communities → ecosystems). However, attempts to identify genes with major effect on the structure of communities and/or ecosystem processes have been limited and a comprehensive test of this approach has yet to emerge. Here, we present an interdisciplinary field study that integrated a common garden containing different genotypes of a dominant, riparian tree, Populus trichocarpa, and aquatic mesocosms to determine how intraspecific variation in leaf litter alters both terrestrial and aquatic communities and ecosystem functioning. Moreover, we incorporate data from extensive trait screening and genome-wide association studies estimating the heritability and genes associated with litter characteristics. We found that tree genotypes varied considerably in the quality and production of leaf litter, which contributed to variation in phytoplankton abundances, as well as nutrient dynamics and light availability in aquatic mesocosms. These 'after-life' effects of litter from different genotypes were comparable to the responses of terrestrial communities associated with the living foliage. We found that multiple litter traits corresponding with aquatic community and ecosystem responses differed in their heritability. Moreover, the underlying genetic architecture of these traits was complex, and many genes contributed only a small proportion to phenotypic variation. Our results provide further evidence that genetic variation is a key component of aquatic-terrestrial linkages, but challenge the ability to predict community or ecosystem responses based on the actions of one or a few genes.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25243489</PMID><DateCompleted><Year>2015</Year><Month>02</Month><Day>21</Day></DateCompleted><DateRevised><Year>2014</Year><Month>11</Month><Day>27</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1365-294X</ISSN><JournalIssue CitedMedium="Internet"><Volume>23</Volume><Issue>23</Issue><PubDate><Year>2014</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Molecular ecology</Title><ISOAbbreviation>Mol Ecol</ISOAbbreviation></Journal><ArticleTitle>Testing a 'genes-to-ecosystems' approach to understanding aquatic-terrestrial linkages.</ArticleTitle><Pagination><MedlinePgn>5888-903</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/mec.12931</ELocationID><Abstract><AbstractText>A 'genes-to-ecosystems' approach has been proposed as a novel avenue for integrating the consequences of intraspecific genetic variation with the underlying genetic architecture of a species to shed light on the relationships among hierarchies of ecological organization (genes → individuals → communities → ecosystems). However, attempts to identify genes with major effect on the structure of communities and/or ecosystem processes have been limited and a comprehensive test of this approach has yet to emerge. Here, we present an interdisciplinary field study that integrated a common garden containing different genotypes of a dominant, riparian tree, Populus trichocarpa, and aquatic mesocosms to determine how intraspecific variation in leaf litter alters both terrestrial and aquatic communities and ecosystem functioning. Moreover, we incorporate data from extensive trait screening and genome-wide association studies estimating the heritability and genes associated with litter characteristics. We found that tree genotypes varied considerably in the quality and production of leaf litter, which contributed to variation in phytoplankton abundances, as well as nutrient dynamics and light availability in aquatic mesocosms. These 'after-life' effects of litter from different genotypes were comparable to the responses of terrestrial communities associated with the living foliage. We found that multiple litter traits corresponding with aquatic community and ecosystem responses differed in their heritability. Moreover, the underlying genetic architecture of these traits was complex, and many genes contributed only a small proportion to phenotypic variation. Our results provide further evidence that genetic variation is a key component of aquatic-terrestrial linkages, but challenge the ability to predict community or ecosystem responses based on the actions of one or a few genes.</AbstractText><CopyrightInformation>© 2014 John Wiley & Sons Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Crutsinger</LastName><ForeName>Gregory M</ForeName><Initials>GM</Initials><AffiliationInfo><Affiliation>Department of Zoology, University of British Columbia, 4200-6270 University Blvd., Vancouver, BC, V6T1Z4, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rudman</LastName><ForeName>Seth M</ForeName><Initials>SM</Initials></Author><Author ValidYN="Y"><LastName>Rodriguez-Cabal</LastName><ForeName>Mariano A</ForeName><Initials>MA</Initials></Author><Author ValidYN="Y"><LastName>McKown</LastName><ForeName>Athena D</ForeName><Initials>AD</Initials></Author><Author ValidYN="Y"><LastName>Sato</LastName><ForeName>Takuya</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>MacDonald</LastName><ForeName>Andrew M</ForeName><Initials>AM</Initials></Author><Author ValidYN="Y"><LastName>Heavyside</LastName><ForeName>Julian</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Geraldes</LastName><ForeName>Armando</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Hart</LastName><ForeName>Edmund M</ForeName><Initials>EM</Initials></Author><Author ValidYN="Y"><LastName>LeRoy</LastName><ForeName>Carri J</ForeName><Initials>CJ</Initials></Author><Author ValidYN="Y"><LastName>El-Sabaawi</LastName><ForeName>Rana W</ForeName><Initials>RW</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><ArticleDate DateType="Electronic"><Year>2014</Year><Month>10</Month><Day>13</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Mol Ecol</MedlineTA><NlmUniqueID>9214478</NlmUniqueID><ISSNLinking>0962-1083</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D059001" MajorTopicYN="Y">Aquatic Organisms</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D058448" MajorTopicYN="N">Biota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D056726" MajorTopicYN="N">Genetic Association Studies</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014644" MajorTopicYN="Y">Genetic Variation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005838" MajorTopicYN="N">Genotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D056127" MajorTopicYN="N">Hydrobiology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010641" MajorTopicYN="N">Phenotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010839" MajorTopicYN="Y">Phytoplankton</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">GWAS</Keyword><Keyword MajorTopicYN="N">Populus trichocarpa</Keyword><Keyword MajorTopicYN="N">aquatic-terrestrial linkages</Keyword><Keyword MajorTopicYN="N">community genetics</Keyword><Keyword MajorTopicYN="N">decomposition</Keyword><Keyword MajorTopicYN="N">genes-to-ecosystems</Keyword><Keyword MajorTopicYN="N">mesocosms</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>04</Month><Day>04</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2014</Year><Month>09</Month><Day>04</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>09</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>9</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>9</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>2</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">25243489</ArticleId><ArticleId IdType="doi">10.1111/mec.12931</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country><region><li>Colombie-Britannique </li></region><settlement><li>Vancouver</li></settlement><orgName><li>Université de la Colombie-Britannique</li></orgName></list><tree><noCountry><name sortKey="El Sabaawi, Rana W" sort="El Sabaawi, Rana W" uniqKey="El Sabaawi R" first="Rana W" last="El-Sabaawi">Rana W. El-Sabaawi</name><name sortKey="Geraldes, Armando" sort="Geraldes, Armando" uniqKey="Geraldes A" first="Armando" last="Geraldes">Armando Geraldes</name><name sortKey="Hart, Edmund M" sort="Hart, Edmund M" uniqKey="Hart E" first="Edmund M" last="Hart">Edmund M. Hart</name><name sortKey="Heavyside, Julian" sort="Heavyside, Julian" uniqKey="Heavyside J" first="Julian" last="Heavyside">Julian Heavyside</name><name sortKey="Leroy, Carri J" sort="Leroy, Carri J" uniqKey="Leroy C" first="Carri J" last="Leroy">Carri J. Leroy</name><name sortKey="Macdonald, Andrew M" sort="Macdonald, Andrew M" uniqKey="Macdonald A" first="Andrew M" last="Macdonald">Andrew M. Macdonald</name><name sortKey="Mckown, Athena D" sort="Mckown, Athena D" uniqKey="Mckown A" first="Athena D" last="Mckown">Athena D. Mckown</name><name sortKey="Rodriguez Cabal, Mariano A" sort="Rodriguez Cabal, Mariano A" uniqKey="Rodriguez Cabal M" first="Mariano A" last="Rodriguez-Cabal">Mariano A. Rodriguez-Cabal</name><name sortKey="Rudman, Seth M" sort="Rudman, Seth M" uniqKey="Rudman S" first="Seth M" last="Rudman">Seth M. Rudman</name><name sortKey="Sato, Takuya" sort="Sato, Takuya" uniqKey="Sato T" first="Takuya" last="Sato">Takuya Sato</name></noCountry><country name="Canada"><region name="Colombie-Britannique "><name sortKey="Crutsinger, Gregory M" sort="Crutsinger, Gregory M" uniqKey="Crutsinger G" first="Gregory M" last="Crutsinger">Gregory M. Crutsinger</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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