Endogenous overexpression of Populus MYB186 increases trichome density, improves insect pest resistance, and impacts plant growth.
Identifieur interne : 003280 ( Main/Exploration ); précédent : 003279; suivant : 003281Endogenous overexpression of Populus MYB186 increases trichome density, improves insect pest resistance, and impacts plant growth.
Auteurs : Jonathan M. Plett [Canada] ; Olivia Wilkins ; Malcolm M. Campbell ; Steven G. Ralph ; Sharon ReganSource :
- The Plant journal : for cell and molecular biology [ 1365-313X ] ; 2010.
Descripteurs français
- KwdFr :
- ARN des plantes (génétique), Analyse de profil d'expression de gènes (MeSH), Animaux (MeSH), Gènes de plante (MeSH), Mutagenèse par insertion (MeSH), Mutation (MeSH), Papillons de nuit (MeSH), Photosynthèse (MeSH), Phénotype (MeSH), Populus (croissance et développement), Populus (génétique), Populus (métabolisme), Protéines végétales (génétique), Protéines végétales (métabolisme), Régulation de l'expression des gènes végétaux (MeSH), Séquençage par oligonucléotides en batterie (MeSH), Épiderme végétal (cytologie), Épiderme végétal (métabolisme).
- MESH :
- croissance et développement : Populus.
- cytologie : Épiderme végétal.
- génétique : ARN des plantes, Populus, Protéines végétales.
- métabolisme : Populus, Protéines végétales, Épiderme végétal.
- Analyse de profil d'expression de gènes, Animaux, Gènes de plante, Mutagenèse par insertion, Mutation, Papillons de nuit, Photosynthèse, Phénotype, Régulation de l'expression des gènes végétaux, Séquençage par oligonucléotides en batterie.
English descriptors
- KwdEn :
- Animals (MeSH), Gene Expression Profiling (MeSH), Gene Expression Regulation, Plant (MeSH), Genes, Plant (MeSH), Moths (MeSH), Mutagenesis, Insertional (MeSH), Mutation (MeSH), Oligonucleotide Array Sequence Analysis (MeSH), Phenotype (MeSH), Photosynthesis (MeSH), Plant Epidermis (cytology), Plant Epidermis (metabolism), Plant Proteins (genetics), Plant Proteins (metabolism), Populus (genetics), Populus (growth & development), Populus (metabolism), RNA, Plant (genetics).
- MESH :
- chemical , genetics : Plant Proteins, RNA, Plant.
- cytology : Plant Epidermis.
- genetics : Populus.
- growth & development : Populus.
- metabolism : Plant Epidermis, Plant Proteins, Populus.
- Animals, Gene Expression Profiling, Gene Expression Regulation, Plant, Genes, Plant, Moths, Mutagenesis, Insertional, Mutation, Oligonucleotide Array Sequence Analysis, Phenotype, Photosynthesis.
Abstract
Trichomes are specialized epidermal cells that generally play a role in reducing transpiration and act as a deterrent to herbivory. In a screen of activation-tagged Populus tremula × Populus alba 717-1B4 trees, we identified a mutant line, fuzzy, with increased foliar trichome density. This mutant also had a 35% increase in growth rate and a 200% increase in the rate of photosynthesis as compared with wild-type poplar. The fuzzy mutant had significant resistance to feeding by larvae of the white-spotted tussock moth (Orgyia leucostigma), a generalist insect pest of poplar trees. The fuzzy trichome phenotype is attributable to activation tagging and increased expression of the gene encoding PtaMYB186, which is related to Arabidopsis thaliana MYB106, a known regulator of trichome initiation. The fuzzy phenotype can be recapitulated by overexpressing PtaMYB186 in poplar. PtaMYB186 overexpression results in reconfiguration of the poplar transcriptome, with changes in the transcript abundance of suites of genes that are related to trichome differentiation. It is notable that a plant with misexpression of a gene responsible for trichome development also had altered traits related to growth rate and pest resistance, suggesting that non-intuitive facets of plant development might be useful targets for plant improvement.
DOI: 10.1111/j.1365-313X.2010.04343.x
PubMed: 20807210
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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In a screen of activation-tagged Populus tremula × Populus alba 717-1B4 trees, we identified a mutant line, fuzzy, with increased foliar trichome density. This mutant also had a 35% increase in growth rate and a 200% increase in the rate of photosynthesis as compared with wild-type poplar. The fuzzy mutant had significant resistance to feeding by larvae of the white-spotted tussock moth (Orgyia leucostigma), a generalist insect pest of poplar trees. The fuzzy trichome phenotype is attributable to activation tagging and increased expression of the gene encoding PtaMYB186, which is related to Arabidopsis thaliana MYB106, a known regulator of trichome initiation. The fuzzy phenotype can be recapitulated by overexpressing PtaMYB186 in poplar. PtaMYB186 overexpression results in reconfiguration of the poplar transcriptome, with changes in the transcript abundance of suites of genes that are related to trichome differentiation. It is notable that a plant with misexpression of a gene responsible for trichome development also had altered traits related to growth rate and pest resistance, suggesting that non-intuitive facets of plant development might be useful targets for plant improvement.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20807210</PMID><DateCompleted><Year>2011</Year><Month>02</Month><Day>11</Day></DateCompleted><DateRevised><Year>2010</Year><Month>10</Month><Day>27</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1365-313X</ISSN><JournalIssue CitedMedium="Internet"><Volume>64</Volume><Issue>3</Issue><PubDate><Year>2010</Year><Month>Nov</Month></PubDate></JournalIssue><Title>The Plant journal : for cell and molecular biology</Title><ISOAbbreviation>Plant J</ISOAbbreviation></Journal><ArticleTitle>Endogenous overexpression of Populus MYB186 increases trichome density, improves insect pest resistance, and impacts plant growth.</ArticleTitle><Pagination><MedlinePgn>419-32</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1365-313X.2010.04343.x</ELocationID><Abstract><AbstractText>Trichomes are specialized epidermal cells that generally play a role in reducing transpiration and act as a deterrent to herbivory. In a screen of activation-tagged Populus tremula × Populus alba 717-1B4 trees, we identified a mutant line, fuzzy, with increased foliar trichome density. This mutant also had a 35% increase in growth rate and a 200% increase in the rate of photosynthesis as compared with wild-type poplar. The fuzzy mutant had significant resistance to feeding by larvae of the white-spotted tussock moth (Orgyia leucostigma), a generalist insect pest of poplar trees. The fuzzy trichome phenotype is attributable to activation tagging and increased expression of the gene encoding PtaMYB186, which is related to Arabidopsis thaliana MYB106, a known regulator of trichome initiation. The fuzzy phenotype can be recapitulated by overexpressing PtaMYB186 in poplar. PtaMYB186 overexpression results in reconfiguration of the poplar transcriptome, with changes in the transcript abundance of suites of genes that are related to trichome differentiation. It is notable that a plant with misexpression of a gene responsible for trichome development also had altered traits related to growth rate and pest resistance, suggesting that non-intuitive facets of plant development might be useful targets for plant improvement.</AbstractText><CopyrightInformation>© 2010 The Authors. Journal compilation © 2010 Blackwell Publishing Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Plett</LastName><ForeName>Jonathan M</ForeName><Initials>JM</Initials><AffiliationInfo><Affiliation>Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wilkins</LastName><ForeName>Olivia</ForeName><Initials>O</Initials></Author><Author ValidYN="Y"><LastName>Campbell</LastName><ForeName>Malcolm M</ForeName><Initials>MM</Initials></Author><Author ValidYN="Y"><LastName>Ralph</LastName><ForeName>Steven G</ForeName><Initials>SG</Initials></Author><Author ValidYN="Y"><LastName>Regan</LastName><ForeName>Sharon</ForeName><Initials>S</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></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Plant J</MedlineTA><NlmUniqueID>9207397</NlmUniqueID><ISSNLinking>0960-7412</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D018749">RNA, Plant</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D020869" MajorTopicYN="N">Gene Expression Profiling</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017343" MajorTopicYN="N">Genes, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009036" MajorTopicYN="N">Moths</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016254" MajorTopicYN="N">Mutagenesis, Insertional</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009154" MajorTopicYN="N">Mutation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D020411" MajorTopicYN="N">Oligonucleotide Array Sequence Analysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010641" MajorTopicYN="N">Phenotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019441" MajorTopicYN="N">Plant Epidermis</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="Y">cytology</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018749" MajorTopicYN="N">RNA, Plant</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>9</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>9</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>2</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">20807210</ArticleId><ArticleId IdType="doi">10.1111/j.1365-313X.2010.04343.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country></list><tree><noCountry><name sortKey="Campbell, Malcolm M" sort="Campbell, Malcolm M" uniqKey="Campbell M" first="Malcolm M" last="Campbell">Malcolm M. Campbell</name><name sortKey="Ralph, Steven G" sort="Ralph, Steven G" uniqKey="Ralph S" first="Steven G" last="Ralph">Steven G. Ralph</name><name sortKey="Regan, Sharon" sort="Regan, Sharon" uniqKey="Regan S" first="Sharon" last="Regan">Sharon Regan</name><name sortKey="Wilkins, Olivia" sort="Wilkins, Olivia" uniqKey="Wilkins O" first="Olivia" last="Wilkins">Olivia Wilkins</name></noCountry><country name="Canada"><noRegion><name sortKey="Plett, Jonathan M" sort="Plett, Jonathan M" uniqKey="Plett J" first="Jonathan M" last="Plett">Jonathan M. Plett</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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