The effect of drought stress on heterozygosity-fitness correlations in pedunculate oak (Quercus robur).
Identifieur interne : 000013 ( PubMed/Corpus ); précédent : 000012; suivant : 000014The effect of drought stress on heterozygosity-fitness correlations in pedunculate oak (Quercus robur).
Auteurs : Guy Vranckx ; Hans Jacquemyn ; Joachim Mergeay ; Karen Cox ; Pieter Janssens ; Bie An Sofie Gielen ; Bart Muys ; Olivier HonnaySource :
- Annals of botany [ 1095-8290 ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- genetics : Microsatellite Repeats, Quercus.
- growth & development : Quercus.
- physiology : Quercus.
- Biomass, Droughts, Genes, Plant, Heterozygote.
Abstract
The interaction between forest fragmentation and predicted climate change may pose a serious threat to tree populations. In small and spatially isolated forest fragments, increased homozygosity may directly affect individual tree fitness through the expression of deleterious alleles. Climate change-induced drought stress may exacerbate these detrimental genetic consequences of forest fragmentation, as the fitness response to low levels of individual heterozygosity is generally thought to be stronger under environmental stress than under optimal conditions.
DOI: 10.1093/aob/mcu025
PubMed: 24638819
Links to Exploration step
pubmed:24638819Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">The effect of drought stress on heterozygosity-fitness correlations in pedunculate oak (Quercus robur).</title><author><name sortKey="Vranckx, Guy" sort="Vranckx, Guy" uniqKey="Vranckx G" first="Guy" last="Vranckx">Guy Vranckx</name><affiliation><nlm:affiliation>Plant Conservation and Population Biology, Biology Department, University of Leuven, Kasteelpark Arenberg 31, Box 2435, 3001 Leuven, Belgium.</nlm:affiliation></affiliation></author><author><name sortKey="Jacquemyn, Hans" sort="Jacquemyn, Hans" uniqKey="Jacquemyn H" first="Hans" last="Jacquemyn">Hans Jacquemyn</name></author><author><name sortKey="Mergeay, Joachim" sort="Mergeay, Joachim" uniqKey="Mergeay J" first="Joachim" last="Mergeay">Joachim Mergeay</name></author><author><name sortKey="Cox, Karen" sort="Cox, Karen" uniqKey="Cox K" first="Karen" last="Cox">Karen Cox</name></author><author><name sortKey="Janssens, Pieter" sort="Janssens, Pieter" uniqKey="Janssens P" first="Pieter" last="Janssens">Pieter Janssens</name></author><author><name sortKey="Gielen, Bie An Sofie" sort="Gielen, Bie An Sofie" uniqKey="Gielen B" first="Bie An Sofie" last="Gielen">Bie An Sofie Gielen</name></author><author><name sortKey="Muys, Bart" sort="Muys, Bart" uniqKey="Muys B" first="Bart" last="Muys">Bart Muys</name></author><author><name sortKey="Honnay, Olivier" sort="Honnay, Olivier" uniqKey="Honnay O" first="Olivier" last="Honnay">Olivier Honnay</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:24638819</idno><idno type="pmid">24638819</idno><idno type="doi">10.1093/aob/mcu025</idno><idno type="wicri:Area/PubMed/Corpus">000013</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000013</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">The effect of drought stress on heterozygosity-fitness correlations in pedunculate oak (Quercus robur).</title><author><name sortKey="Vranckx, Guy" sort="Vranckx, Guy" uniqKey="Vranckx G" first="Guy" last="Vranckx">Guy Vranckx</name><affiliation><nlm:affiliation>Plant Conservation and Population Biology, Biology Department, University of Leuven, Kasteelpark Arenberg 31, Box 2435, 3001 Leuven, Belgium.</nlm:affiliation></affiliation></author><author><name sortKey="Jacquemyn, Hans" sort="Jacquemyn, Hans" uniqKey="Jacquemyn H" first="Hans" last="Jacquemyn">Hans Jacquemyn</name></author><author><name sortKey="Mergeay, Joachim" sort="Mergeay, Joachim" uniqKey="Mergeay J" first="Joachim" last="Mergeay">Joachim Mergeay</name></author><author><name sortKey="Cox, Karen" sort="Cox, Karen" uniqKey="Cox K" first="Karen" last="Cox">Karen Cox</name></author><author><name sortKey="Janssens, Pieter" sort="Janssens, Pieter" uniqKey="Janssens P" first="Pieter" last="Janssens">Pieter Janssens</name></author><author><name sortKey="Gielen, Bie An Sofie" sort="Gielen, Bie An Sofie" uniqKey="Gielen B" first="Bie An Sofie" last="Gielen">Bie An Sofie Gielen</name></author><author><name sortKey="Muys, Bart" sort="Muys, Bart" uniqKey="Muys B" first="Bart" last="Muys">Bart Muys</name></author><author><name sortKey="Honnay, Olivier" sort="Honnay, Olivier" uniqKey="Honnay O" first="Olivier" last="Honnay">Olivier Honnay</name></author></analytic><series><title level="j">Annals of botany</title><idno type="eISSN">1095-8290</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass</term><term>Droughts</term><term>Genes, Plant</term><term>Heterozygote</term><term>Microsatellite Repeats (genetics)</term><term>Quercus (genetics)</term><term>Quercus (growth & development)</term><term>Quercus (physiology)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Microsatellite Repeats</term><term>Quercus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Quercus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Quercus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Droughts</term><term>Genes, Plant</term><term>Heterozygote</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The interaction between forest fragmentation and predicted climate change may pose a serious threat to tree populations. In small and spatially isolated forest fragments, increased homozygosity may directly affect individual tree fitness through the expression of deleterious alleles. Climate change-induced drought stress may exacerbate these detrimental genetic consequences of forest fragmentation, as the fitness response to low levels of individual heterozygosity is generally thought to be stronger under environmental stress than under optimal conditions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24638819</PMID><DateCreated><Year>2014</Year><Month>04</Month><Day>24</Day></DateCreated><DateCompleted><Year>2014</Year><Month>12</Month><Day>08</Day></DateCompleted><DateRevised><Year>2015</Year><Month>05</Month><Day>15</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1095-8290</ISSN><JournalIssue CitedMedium="Internet"><Volume>113</Volume><Issue>6</Issue><PubDate><Year>2014</Year><Month>May</Month></PubDate></JournalIssue><Title>Annals of botany</Title><ISOAbbreviation>Ann. Bot.</ISOAbbreviation></Journal><ArticleTitle>The effect of drought stress on heterozygosity-fitness correlations in pedunculate oak (Quercus robur).</ArticleTitle><Pagination><MedlinePgn>1057-69</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/aob/mcu025</ELocationID><Abstract><AbstractText Label="BACKGROUND AND AIMS" NlmCategory="OBJECTIVE">The interaction between forest fragmentation and predicted climate change may pose a serious threat to tree populations. In small and spatially isolated forest fragments, increased homozygosity may directly affect individual tree fitness through the expression of deleterious alleles. Climate change-induced drought stress may exacerbate these detrimental genetic consequences of forest fragmentation, as the fitness response to low levels of individual heterozygosity is generally thought to be stronger under environmental stress than under optimal conditions.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">To test this hypothesis, a greenhouse experiment was performed in which various transpiration and growth traits of 6-month-old seedlings of Quercus robur differing in multilocus heterozygosity (MLH) were recorded for 3 months under a well-watered and a drought stress treatment. Heterozygosity-fitness correlations (HFC) were examined by correlating the recorded traits of individual seedlings to their MLH and by studying their response to drought stress.</AbstractText><AbstractText Label="KEY RESULTS" NlmCategory="RESULTS">Weak, but significant, effects of MLH on several fitness traits were obtained, which were stronger for transpiration variables than for the recorded growth traits. High atmospheric stress (measured as vapour pressure deficit) influenced the strength of the HFCs of the transpiration variables, whereas only a limited effect of the irrigation treatment on the HFCs was observed.</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">Under ongoing climate change, increased atmospheric stress in the future may strengthen the negative fitness responses of trees to low MLH. This indicates the necessity to maximize individual multilocus heterozygosity in forest tree breeding programmes.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Vranckx</LastName><ForeName>Guy</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Plant Conservation and Population Biology, Biology Department, University of Leuven, Kasteelpark Arenberg 31, Box 2435, 3001 Leuven, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jacquemyn</LastName><ForeName>Hans</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Mergeay</LastName><ForeName>Joachim</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Cox</LastName><ForeName>Karen</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>Janssens</LastName><ForeName>Pieter</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Gielen</LastName><ForeName>Bie An Sofie</ForeName><Initials>BA</Initials></Author><Author ValidYN="Y"><LastName>Muys</LastName><ForeName>Bart</ForeName><Initials>B</Initials></Author><Author ValidYN="Y"><LastName>Honnay</LastName><ForeName>Olivier</ForeName><Initials>O</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>03</Month><Day>16</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Ann Bot</MedlineTA><NlmUniqueID>0372347</NlmUniqueID><ISSNLinking>0305-7364</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Trends Plant Sci. 2000 Aug;5(8):349-53</RefSource><PMID Version="1">10908880</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Evolution. 2001 Jun;55(6):1256-60</RefSource><PMID 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MajorTopicYN="N">Genes, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006579" MajorTopicYN="Y">Heterozygote</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018895" MajorTopicYN="N">Microsatellite Repeats</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D029963" MajorTopicYN="N">Quercus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList><OtherID Source="NLM">PMC3997642</OtherID><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Climate change</Keyword><Keyword MajorTopicYN="N">Quercus robur</Keyword><Keyword MajorTopicYN="N">drought stress</Keyword><Keyword MajorTopicYN="N">forest fragmentation</Keyword><Keyword MajorTopicYN="N">greenhouse experiment</Keyword><Keyword MajorTopicYN="N">growth traits</Keyword><Keyword MajorTopicYN="N">heterozygosity–fitness correlations</Keyword><Keyword MajorTopicYN="N">pedunculate oak</Keyword><Keyword MajorTopicYN="N">transpiration</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>3</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>3</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>12</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24638819</ArticleId><ArticleId IdType="pii">mcu025</ArticleId><ArticleId IdType="doi">10.1093/aob/mcu025</ArticleId><ArticleId IdType="pmc">PMC3997642</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour 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