Tissue-specific expression of Populus C19 GA 2-oxidases differentially regulate above- and below-ground biomass growth through control of bioactive GA concentrations.
Identifieur interne : 002C71 ( Main/Exploration ); précédent : 002C70; suivant : 002C72Tissue-specific expression of Populus C19 GA 2-oxidases differentially regulate above- and below-ground biomass growth through control of bioactive GA concentrations.
Auteurs : Jiqing Gou [États-Unis] ; Cathleen Ma ; Mahita Kadmiel ; Ying Gai ; Steven Strauss ; Xiangning Jiang ; Victor BusovSource :
- The New phytologist [ 1469-8137 ] ; 2011.
Descripteurs français
- KwdFr :
- Acides indolacétiques (métabolisme), Analyse de profil d'expression de gènes (MeSH), Biomasse (MeSH), Bois (croissance et développement), Famille multigénique (génétique), Feuilles de plante (croissance et développement), Feuilles de plante (génétique), Gibbérellines (métabolisme), Gènes de plante (génétique), Interférence par ARN (MeSH), Mixed function oxygenases (génétique), Mixed function oxygenases (métabolisme), Phylogenèse (MeSH), Phénotype (MeSH), Populus (croissance et développement), Populus (enzymologie), Populus (génétique), Pousses de plante (croissance et développement), Pousses de plante (génétique), Racines de plante (métabolisme), Régulation de l'expression des gènes végétaux (MeSH), Régulation négative (génétique), Spécificité d'organe (génétique), Suppression génétique (MeSH), Végétaux génétiquement modifiés (MeSH).
- MESH :
- croissance et développement : Bois, Feuilles de plante, Populus, Pousses de plante.
- enzymologie : Populus.
- génétique : Famille multigénique, Feuilles de plante, Gènes de plante, Mixed function oxygenases, Populus, Pousses de plante, Régulation négative, Spécificité d'organe.
- métabolisme : Acides indolacétiques, Gibbérellines, Mixed function oxygenases, Racines de plante.
- Analyse de profil d'expression de gènes, Biomasse, Interférence par ARN, Phylogenèse, Phénotype, Régulation de l'expression des gènes végétaux, Suppression génétique, Végétaux génétiquement modifiés.
English descriptors
- KwdEn :
- Biomass (MeSH), Down-Regulation (genetics), Gene Expression Profiling (MeSH), Gene Expression Regulation, Plant (MeSH), Genes, Plant (genetics), Gibberellins (metabolism), Indoleacetic Acids (metabolism), Mixed Function Oxygenases (genetics), Mixed Function Oxygenases (metabolism), Multigene Family (genetics), Organ Specificity (genetics), Phenotype (MeSH), Phylogeny (MeSH), Plant Leaves (genetics), Plant Leaves (growth & development), Plant Roots (metabolism), Plant Shoots (genetics), Plant Shoots (growth & development), Plants, Genetically Modified (MeSH), Populus (enzymology), Populus (genetics), Populus (growth & development), RNA Interference (MeSH), Suppression, Genetic (MeSH), Wood (growth & development).
- MESH :
- chemical , genetics : Mixed Function Oxygenases.
- chemical , metabolism : Gibberellins, Indoleacetic Acids, Mixed Function Oxygenases.
- enzymology : Populus.
- genetics : Down-Regulation, Genes, Plant, Multigene Family, Organ Specificity, Plant Leaves, Plant Shoots, Populus.
- growth & development : Plant Leaves, Plant Shoots, Populus, Wood.
- metabolism : Plant Roots.
- Biomass, Gene Expression Profiling, Gene Expression Regulation, Plant, Phenotype, Phylogeny, Plants, Genetically Modified, RNA Interference, Suppression, Genetic.
Abstract
• Here, we studied the poplar C(19) gibberellin 2-oxidase (GA2ox) gene subfamily. We show that a set of paralogous gene pairs differentially regulate shoot and root development. • PtGA2ox4 and its paralogous gene PtGA2ox5 are primarily expressed in aerial organs, and overexpression of PtGA2ox5 produced a strong dwarfing phenotype characteristic of GA deficiency. Suppression of PtGA2ox4 and PtGA2ox5 led to increased biomass growth, but had no effect on root development. By contrast, the PtGA2ox2 and PtGA2ox7 paralogous pair was predominantly expressed in roots, and when these two genes were RNAi-suppressed it led to a decrease of root biomass. • The morphological changes in the transgenic plants were underpinned by tissue-specific increases in bioactive GAs that corresponded to the predominant native expression of the targeted paralogous gene pair. Although RNAi suppression of both paralogous pairs led to changes in wood development, they were much greater in the transgenics with suppressed PtGA2ox4 and PtGA2ox5. The degree of gene suppression in independent events was strongly associated with phenotypes, demonstrating dose-dependent control of growth by GA2ox RNA concentrations. • The expression and transgenic modifications reported here show that shoot- and leaf-expressed PtGA2ox4 and PtGA2ox5 specifically restrain aerial shoot growth, while root-expressed PtGA2ox2 and PtGA2ox7 promote root development.
DOI: 10.1111/j.1469-8137.2011.03837.x
PubMed: 21819406
Affiliations:
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type="state">Michigan</region></placeName></affiliation></author><author><name sortKey="Ma, Cathleen" sort="Ma, Cathleen" uniqKey="Ma C" first="Cathleen" last="Ma">Cathleen Ma</name></author><author><name sortKey="Kadmiel, Mahita" sort="Kadmiel, Mahita" uniqKey="Kadmiel M" first="Mahita" last="Kadmiel">Mahita Kadmiel</name></author><author><name sortKey="Gai, Ying" sort="Gai, Ying" uniqKey="Gai Y" first="Ying" last="Gai">Ying Gai</name></author><author><name sortKey="Strauss, Steven" sort="Strauss, Steven" uniqKey="Strauss S" first="Steven" last="Strauss">Steven Strauss</name></author><author><name sortKey="Jiang, Xiangning" sort="Jiang, Xiangning" uniqKey="Jiang X" first="Xiangning" last="Jiang">Xiangning Jiang</name></author><author><name sortKey="Busov, Victor" sort="Busov, Victor" uniqKey="Busov V" first="Victor" last="Busov">Victor Busov</name></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2011" 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(growth & development)</term><term>RNA Interference (MeSH)</term><term>Suppression, Genetic (MeSH)</term><term>Wood (growth & development)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acides indolacétiques (métabolisme)</term><term>Analyse de profil d'expression de gènes (MeSH)</term><term>Biomasse (MeSH)</term><term>Bois (croissance et développement)</term><term>Famille multigénique (génétique)</term><term>Feuilles de plante (croissance et développement)</term><term>Feuilles de plante (génétique)</term><term>Gibbérellines (métabolisme)</term><term>Gènes de plante (génétique)</term><term>Interférence par ARN (MeSH)</term><term>Mixed function oxygenases (génétique)</term><term>Mixed function oxygenases (métabolisme)</term><term>Phylogenèse (MeSH)</term><term>Phénotype (MeSH)</term><term>Populus (croissance et développement)</term><term>Populus (enzymologie)</term><term>Populus (génétique)</term><term>Pousses de plante (croissance et développement)</term><term>Pousses de plante (génétique)</term><term>Racines de plante (métabolisme)</term><term>Régulation de l'expression des gènes végétaux (MeSH)</term><term>Régulation négative (génétique)</term><term>Spécificité d'organe (génétique)</term><term>Suppression génétique (MeSH)</term><term>Végétaux génétiquement modifiés (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Mixed Function Oxygenases</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Gibberellins</term><term>Indoleacetic Acids</term><term>Mixed Function Oxygenases</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Bois</term><term>Feuilles de plante</term><term>Populus</term><term>Pousses de plante</term></keywords><keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="enzymology" 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indolacétiques</term><term>Gibbérellines</term><term>Mixed function oxygenases</term><term>Racines de plante</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Gene Expression Profiling</term><term>Gene Expression Regulation, Plant</term><term>Phenotype</term><term>Phylogeny</term><term>Plants, Genetically Modified</term><term>RNA Interference</term><term>Suppression, Genetic</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse de profil d'expression de gènes</term><term>Biomasse</term><term>Interférence par ARN</term><term>Phylogenèse</term><term>Phénotype</term><term>Régulation de l'expression des gènes végétaux</term><term>Suppression génétique</term><term>Végétaux génétiquement modifiés</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">• Here, we studied the poplar C(19) gibberellin 2-oxidase (GA2ox) gene subfamily. We show that a set of paralogous gene pairs differentially regulate shoot and root development. • PtGA2ox4 and its paralogous gene PtGA2ox5 are primarily expressed in aerial organs, and overexpression of PtGA2ox5 produced a strong dwarfing phenotype characteristic of GA deficiency. Suppression of PtGA2ox4 and PtGA2ox5 led to increased biomass growth, but had no effect on root development. By contrast, the PtGA2ox2 and PtGA2ox7 paralogous pair was predominantly expressed in roots, and when these two genes were RNAi-suppressed it led to a decrease of root biomass. • The morphological changes in the transgenic plants were underpinned by tissue-specific increases in bioactive GAs that corresponded to the predominant native expression of the targeted paralogous gene pair. Although RNAi suppression of both paralogous pairs led to changes in wood development, they were much greater in the transgenics with suppressed PtGA2ox4 and PtGA2ox5. The degree of gene suppression in independent events was strongly associated with phenotypes, demonstrating dose-dependent control of growth by GA2ox RNA concentrations. • The expression and transgenic modifications reported here show that shoot- and leaf-expressed PtGA2ox4 and PtGA2ox5 specifically restrain aerial shoot growth, while root-expressed PtGA2ox2 and PtGA2ox7 promote root development.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21819406</PMID><DateCompleted><Year>2012</Year><Month>02</Month><Day>10</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>192</Volume><Issue>3</Issue><PubDate><Year>2011</Year><Month>Nov</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Tissue-specific expression of Populus C19 GA 2-oxidases differentially regulate above- and below-ground biomass growth through control of bioactive GA concentrations.</ArticleTitle><Pagination><MedlinePgn>626-39</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1469-8137.2011.03837.x</ELocationID><Abstract><AbstractText>• Here, we studied the poplar C(19) gibberellin 2-oxidase (GA2ox) gene subfamily. We show that a set of paralogous gene pairs differentially regulate shoot and root development. • PtGA2ox4 and its paralogous gene PtGA2ox5 are primarily expressed in aerial organs, and overexpression of PtGA2ox5 produced a strong dwarfing phenotype characteristic of GA deficiency. Suppression of PtGA2ox4 and PtGA2ox5 led to increased biomass growth, but had no effect on root development. By contrast, the PtGA2ox2 and PtGA2ox7 paralogous pair was predominantly expressed in roots, and when these two genes were RNAi-suppressed it led to a decrease of root biomass. • The morphological changes in the transgenic plants were underpinned by tissue-specific increases in bioactive GAs that corresponded to the predominant native expression of the targeted paralogous gene pair. Although RNAi suppression of both paralogous pairs led to changes in wood development, they were much greater in the transgenics with suppressed PtGA2ox4 and PtGA2ox5. The degree of gene suppression in independent events was strongly associated with phenotypes, demonstrating dose-dependent control of growth by GA2ox RNA concentrations. • The expression and transgenic modifications reported here show that shoot- and leaf-expressed PtGA2ox4 and PtGA2ox5 specifically restrain aerial shoot growth, while root-expressed PtGA2ox2 and PtGA2ox7 promote root development.</AbstractText><CopyrightInformation>© 2011 The Authors. New Phytologist © 2011 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gou</LastName><ForeName>Jiqing</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>School of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI 49931-1295, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ma</LastName><ForeName>Cathleen</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Kadmiel</LastName><ForeName>Mahita</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Gai</LastName><ForeName>Ying</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Strauss</LastName><ForeName>Steven</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Jiang</LastName><ForeName>Xiangning</ForeName><Initials>X</Initials></Author><Author ValidYN="Y"><LastName>Busov</LastName><ForeName>Victor</ForeName><Initials>V</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><ArticleDate DateType="Electronic"><Year>2011</Year><Month>08</Month><Day>05</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="D005875">Gibberellins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007210">Indoleacetic Acids</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.-</RegistryNumber><NameOfSubstance UI="D006899">Mixed Function Oxygenases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.14.11.13</RegistryNumber><NameOfSubstance UI="C121463">gibberellin 2-dioxygenase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="Y">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015536" MajorTopicYN="N">Down-Regulation</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D020869" MajorTopicYN="N">Gene Expression Profiling</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="Y">Gene Expression Regulation, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017343" MajorTopicYN="N">Genes, Plant</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005875" MajorTopicYN="N">Gibberellins</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007210" MajorTopicYN="N">Indoleacetic Acids</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006899" MajorTopicYN="N">Mixed Function Oxygenases</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005810" MajorTopicYN="N">Multigene Family</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009928" MajorTopicYN="N">Organ Specificity</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010641" MajorTopicYN="N">Phenotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010802" MajorTopicYN="N">Phylogeny</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018520" MajorTopicYN="N">Plant Shoots</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</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="Q000201" MajorTopicYN="N">enzymology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D034622" MajorTopicYN="N">RNA Interference</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013489" MajorTopicYN="N">Suppression, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>8</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>8</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>2</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21819406</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2011.03837.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Michigan</li></region></list><tree><noCountry><name sortKey="Busov, Victor" sort="Busov, Victor" uniqKey="Busov V" first="Victor" last="Busov">Victor Busov</name><name sortKey="Gai, Ying" sort="Gai, Ying" uniqKey="Gai Y" first="Ying" last="Gai">Ying Gai</name><name sortKey="Jiang, Xiangning" sort="Jiang, Xiangning" uniqKey="Jiang X" first="Xiangning" last="Jiang">Xiangning Jiang</name><name sortKey="Kadmiel, Mahita" sort="Kadmiel, Mahita" uniqKey="Kadmiel M" first="Mahita" last="Kadmiel">Mahita Kadmiel</name><name sortKey="Ma, Cathleen" sort="Ma, Cathleen" uniqKey="Ma C" first="Cathleen" last="Ma">Cathleen Ma</name><name sortKey="Strauss, Steven" sort="Strauss, Steven" uniqKey="Strauss S" first="Steven" last="Strauss">Steven Strauss</name></noCountry><country name="États-Unis"><region name="Michigan"><name sortKey="Gou, Jiqing" sort="Gou, Jiqing" uniqKey="Gou J" first="Jiqing" last="Gou">Jiqing Gou</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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