Knockdown of strigolactone biosynthesis genes in Populus affects BRANCHED1 expression and shoot architecture.
Identifieur interne : 001799 ( Main/Exploration ); précédent : 001798; suivant : 001800Knockdown of strigolactone biosynthesis genes in Populus affects BRANCHED1 expression and shoot architecture.
Auteurs : Merlin Muhr [Allemagne] ; Nele Prüfer [Allemagne] ; Maria Paulat [Allemagne] ; Thomas Teichmann [Allemagne]Source :
- The New phytologist [ 1469-8137 ] ; 2016.
Descripteurs français
- KwdFr :
- Composés hétérocycliques 3 noyaux (métabolisme), Composés hétérocycliques 3 noyaux (pharmacologie), Croisements génétiques (MeSH), Gènes de plante (MeSH), Lactones (métabolisme), Lactones (pharmacologie), Phylogenèse (MeSH), Phénotype (MeSH), Populus (croissance et développement), Populus (effets des médicaments et des substances chimiques), Populus (génétique), Pousses de plante (anatomie et histologie), Pousses de plante (croissance et développement), Pousses de plante (effets des médicaments et des substances chimiques), Protéines végétales (génétique), Protéines végétales (métabolisme), Régulation de l'expression des gènes végétaux (effets des médicaments et des substances chimiques), Techniques de knock-down de gènes (MeSH), Test de complémentation (MeSH), Voies de biosynthèse (effets des médicaments et des substances chimiques), Voies de biosynthèse (génétique), Végétaux génétiquement modifiés (MeSH), Études d'associations génétiques (MeSH).
- MESH :
- anatomie et histologie : Pousses de plante.
- croissance et développement : Populus, Pousses de plante.
- effets des médicaments et des substances chimiques : Populus, Pousses de plante, Régulation de l'expression des gènes végétaux, Voies de biosynthèse.
- génétique : Populus, Protéines végétales, Voies de biosynthèse.
- métabolisme : Composés hétérocycliques 3 noyaux, Lactones, Protéines végétales.
- pharmacologie : Composés hétérocycliques 3 noyaux, Lactones.
- Croisements génétiques, Gènes de plante, Phylogenèse, Phénotype, Techniques de knock-down de gènes, Test de complémentation, Végétaux génétiquement modifiés, Études d'associations génétiques.
English descriptors
- KwdEn :
- Biosynthetic Pathways (drug effects), Biosynthetic Pathways (genetics), Crosses, Genetic (MeSH), Gene Expression Regulation, Plant (drug effects), Gene Knockdown Techniques (MeSH), Genes, Plant (MeSH), Genetic Association Studies (MeSH), Genetic Complementation Test (MeSH), Heterocyclic Compounds, 3-Ring (metabolism), Heterocyclic Compounds, 3-Ring (pharmacology), Lactones (metabolism), Lactones (pharmacology), Phenotype (MeSH), Phylogeny (MeSH), Plant Proteins (genetics), Plant Proteins (metabolism), Plant Shoots (anatomy & histology), Plant Shoots (drug effects), Plant Shoots (growth & development), Plants, Genetically Modified (MeSH), Populus (drug effects), Populus (genetics), Populus (growth & development).
- MESH :
- chemical , genetics : Plant Proteins.
- chemical , metabolism : Heterocyclic Compounds, 3-Ring, Lactones, Plant Proteins.
- anatomy & histology : Plant Shoots.
- drug effects : Biosynthetic Pathways, Gene Expression Regulation, Plant, Plant Shoots, Populus.
- genetics : Biosynthetic Pathways, Populus.
- growth & development : Plant Shoots, Populus.
- chemical , pharmacology : Heterocyclic Compounds, 3-Ring, Lactones.
- Crosses, Genetic, Gene Knockdown Techniques, Genes, Plant, Genetic Association Studies, Genetic Complementation Test, Phenotype, Phylogeny, Plants, Genetically Modified.
Abstract
Plant architecture is modified by a regulatory system that controls axillary bud outgrowth. Key components in this system are strigolactones (SLs) and BRANCHED1, which inhibit bud outgrowth. Their role has been described in herbaceous model systems, including Arabidopsis, rice and pea. However, a role in woody perennial species, including the model tree poplar, has not been unequivocally proven. In this study, we tested a role for SLs in Populus × canescens by treatment with the synthetic SL GR24. We generated MORE AXILLARY BRANCHING4 (MAX4) knockdown lines to study the architectural phenotype of poplar SL biosynthesis mutants and the expression of SL-regulated genes. We show that GR24 is perceived by the model tree poplar. MAX4 knockdown lines exhibit typical SL deficiency symptoms. The observed changes in branching pattern, internode length and plant height can be rescued by grafting. We identified putative poplar BRANCHED1 and BRANCHED2 genes and provide evidence for a regulation of BRANCHED1 by SLs. Our results suggest a conservation of major regulatory mechanisms in bud outgrowth control in the model tree poplar. This may facilitate further research, pinpointing the role of SLs and BRANCHED1 in the complex regulation of bud outgrowth in trees.
DOI: 10.1111/nph.14076
PubMed: 27376674
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Association Studies (MeSH)</term><term>Genetic Complementation Test (MeSH)</term><term>Heterocyclic Compounds, 3-Ring (metabolism)</term><term>Heterocyclic Compounds, 3-Ring (pharmacology)</term><term>Lactones (metabolism)</term><term>Lactones (pharmacology)</term><term>Phenotype (MeSH)</term><term>Phylogeny (MeSH)</term><term>Plant Proteins (genetics)</term><term>Plant Proteins (metabolism)</term><term>Plant Shoots (anatomy & histology)</term><term>Plant Shoots (drug effects)</term><term>Plant Shoots (growth & development)</term><term>Plants, Genetically Modified (MeSH)</term><term>Populus (drug effects)</term><term>Populus (genetics)</term><term>Populus (growth & development)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Composés hétérocycliques 3 noyaux (métabolisme)</term><term>Composés hétérocycliques 3 noyaux (pharmacologie)</term><term>Croisements génétiques (MeSH)</term><term>Gènes de plante (MeSH)</term><term>Lactones (métabolisme)</term><term>Lactones (pharmacologie)</term><term>Phylogenèse (MeSH)</term><term>Phénotype (MeSH)</term><term>Populus (croissance et développement)</term><term>Populus (effets des médicaments et des substances chimiques)</term><term>Populus (génétique)</term><term>Pousses de plante (anatomie et histologie)</term><term>Pousses de plante (croissance et développement)</term><term>Pousses de plante (effets des médicaments et des substances chimiques)</term><term>Protéines végétales (génétique)</term><term>Protéines végétales (métabolisme)</term><term>Régulation de l'expression des gènes végétaux (effets des médicaments et des substances chimiques)</term><term>Techniques de knock-down de gènes (MeSH)</term><term>Test de complémentation (MeSH)</term><term>Voies de biosynthèse (effets des médicaments et des substances chimiques)</term><term>Voies de biosynthèse (génétique)</term><term>Végétaux génétiquement modifiés (MeSH)</term><term>Études d'associations génétiques (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Plant Proteins</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Heterocyclic Compounds, 3-Ring</term><term>Lactones</term><term>Plant Proteins</term></keywords><keywords scheme="MESH" qualifier="anatomie et histologie" xml:lang="fr"><term>Pousses de plante</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Plant Shoots</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Populus</term><term>Pousses de plante</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Biosynthetic Pathways</term><term>Gene Expression Regulation, Plant</term><term>Plant Shoots</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="effets des médicaments et des substances chimiques" xml:lang="fr"><term>Populus</term><term>Pousses de plante</term><term>Régulation de l'expression des gènes végétaux</term><term>Voies de biosynthèse</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Biosynthetic Pathways</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Shoots</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term><term>Protéines végétales</term><term>Voies de biosynthèse</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Composés hétérocycliques 3 noyaux</term><term>Lactones</term><term>Protéines végétales</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Composés hétérocycliques 3 noyaux</term><term>Lactones</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Heterocyclic Compounds, 3-Ring</term><term>Lactones</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Crosses, Genetic</term><term>Gene Knockdown Techniques</term><term>Genes, Plant</term><term>Genetic Association Studies</term><term>Genetic Complementation Test</term><term>Phenotype</term><term>Phylogeny</term><term>Plants, Genetically Modified</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Croisements génétiques</term><term>Gènes de plante</term><term>Phylogenèse</term><term>Phénotype</term><term>Techniques de knock-down de gènes</term><term>Test de complémentation</term><term>Végétaux génétiquement modifiés</term><term>Études d'associations génétiques</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Plant architecture is modified by a regulatory system that controls axillary bud outgrowth. Key components in this system are strigolactones (SLs) and BRANCHED1, which inhibit bud outgrowth. Their role has been described in herbaceous model systems, including Arabidopsis, rice and pea. However, a role in woody perennial species, including the model tree poplar, has not been unequivocally proven. In this study, we tested a role for SLs in Populus × canescens by treatment with the synthetic SL GR24. We generated MORE AXILLARY BRANCHING4 (MAX4) knockdown lines to study the architectural phenotype of poplar SL biosynthesis mutants and the expression of SL-regulated genes. We show that GR24 is perceived by the model tree poplar. MAX4 knockdown lines exhibit typical SL deficiency symptoms. The observed changes in branching pattern, internode length and plant height can be rescued by grafting. We identified putative poplar BRANCHED1 and BRANCHED2 genes and provide evidence for a regulation of BRANCHED1 by SLs. Our results suggest a conservation of major regulatory mechanisms in bud outgrowth control in the model tree poplar. This may facilitate further research, pinpointing the role of SLs and BRANCHED1 in the complex regulation of bud outgrowth in trees.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">27376674</PMID><DateCompleted><Year>2018</Year><Month>01</Month><Day>26</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>212</Volume><Issue>3</Issue><PubDate><Year>2016</Year><Month>Nov</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Knockdown of strigolactone biosynthesis genes in Populus affects BRANCHED1 expression and shoot architecture.</ArticleTitle><Pagination><MedlinePgn>613-626</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.14076</ELocationID><Abstract><AbstractText>Plant architecture is modified by a regulatory system that controls axillary bud outgrowth. Key components in this system are strigolactones (SLs) and BRANCHED1, which inhibit bud outgrowth. Their role has been described in herbaceous model systems, including Arabidopsis, rice and pea. However, a role in woody perennial species, including the model tree poplar, has not been unequivocally proven. In this study, we tested a role for SLs in Populus × canescens by treatment with the synthetic SL GR24. We generated MORE AXILLARY BRANCHING4 (MAX4) knockdown lines to study the architectural phenotype of poplar SL biosynthesis mutants and the expression of SL-regulated genes. We show that GR24 is perceived by the model tree poplar. MAX4 knockdown lines exhibit typical SL deficiency symptoms. The observed changes in branching pattern, internode length and plant height can be rescued by grafting. We identified putative poplar BRANCHED1 and BRANCHED2 genes and provide evidence for a regulation of BRANCHED1 by SLs. Our results suggest a conservation of major regulatory mechanisms in bud outgrowth control in the model tree poplar. This may facilitate further research, pinpointing the role of SLs and BRANCHED1 in the complex regulation of bud outgrowth in trees.</AbstractText><CopyrightInformation>© 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Muhr</LastName><ForeName>Merlin</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Plant Cell Biology, Albrecht-von-Haller-Institute for Plant Sciences, Georg-August-University, Göttingen, 37077, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Prüfer</LastName><ForeName>Nele</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Department of Plant Cell Biology, Albrecht-von-Haller-Institute for Plant Sciences, Georg-August-University, Göttingen, 37077, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Paulat</LastName><ForeName>Maria</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Plant Cell Biology, Albrecht-von-Haller-Institute for Plant Sciences, Georg-August-University, Göttingen, 37077, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Teichmann</LastName><ForeName>Thomas</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Department of Plant Cell Biology, Albrecht-von-Haller-Institute for Plant Sciences, Georg-August-University, Göttingen, 37077, Germany. tteichm@gwdg.de.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><DataBankList CompleteYN="Y"><DataBank><DataBankName>GENBANK</DataBankName><AccessionNumberList><AccessionNumber>AEL12230.1</AccessionNumber><AccessionNumber>CAA76176.1</AccessionNumber></AccessionNumberList></DataBank></DataBankList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>07</Month><Day>04</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="C000591191">GR24 strigolactone</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D006575">Heterocyclic Compounds, 3-Ring</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007783">Lactones</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D053898" MajorTopicYN="N">Biosynthetic Pathways</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003433" MajorTopicYN="N">Crosses, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055785" MajorTopicYN="Y">Gene Knockdown Techniques</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017343" MajorTopicYN="Y">Genes, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D056726" MajorTopicYN="N">Genetic Association Studies</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005816" MajorTopicYN="N">Genetic Complementation Test</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006575" MajorTopicYN="N">Heterocyclic Compounds, 3-Ring</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007783" MajorTopicYN="N">Lactones</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010641" MajorTopicYN="N">Phenotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010802" MajorTopicYN="N">Phylogeny</DescriptorName></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="D018520" MajorTopicYN="N">Plant Shoots</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="Y">anatomy & histology</QualifierName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D030821" MajorTopicYN="N">Plants, Genetically Modified</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">MAX4
</Keyword><Keyword MajorTopicYN="N">Populus × canescens</Keyword><Keyword MajorTopicYN="N">axillary meristem</Keyword><Keyword MajorTopicYN="N">branching</Keyword><Keyword MajorTopicYN="N">bud outgrowth</Keyword><Keyword MajorTopicYN="N">poplar</Keyword><Keyword MajorTopicYN="N">strigolactones</Keyword><Keyword MajorTopicYN="N">tree architecture</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>04</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>05</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>7</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>1</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>7</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27376674</ArticleId><ArticleId IdType="doi">10.1111/nph.14076</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li></country><region><li>Basse-Saxe</li></region><settlement><li>Göttingen</li></settlement></list><tree><country name="Allemagne"><region name="Basse-Saxe"><name sortKey="Muhr, Merlin" sort="Muhr, Merlin" uniqKey="Muhr M" first="Merlin" last="Muhr">Merlin Muhr</name></region><name sortKey="Paulat, Maria" sort="Paulat, Maria" uniqKey="Paulat M" first="Maria" last="Paulat">Maria Paulat</name><name sortKey="Prufer, Nele" sort="Prufer, Nele" uniqKey="Prufer N" first="Nele" last="Prüfer">Nele Prüfer</name><name sortKey="Teichmann, Thomas" sort="Teichmann, Thomas" uniqKey="Teichmann T" first="Thomas" last="Teichmann">Thomas Teichmann</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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