PoplarV1, Main, Exploration, bibRecord, 001E39

Comprehensive genome-wide analysis of the Aux/IAA gene family in Eucalyptus: evidence for the role of EgrIAA4 in wood formation.

Identifieur interne : 001E39 ( Main/Exploration ); précédent : 001E38; suivant : 001E40

Comprehensive genome-wide analysis of the Aux/IAA gene family in Eucalyptus: evidence for the role of EgrIAA4 in wood formation.

Auteurs : Hong Yu [France] ; Marçal Soler [France] ; Hélène San Clemente [France] ; Isabelle Mila [France] ; Jorge A P. Paiva [Portugal] ; Alexander A. Myburg [Afrique du Sud] ; Mondher Bouzayen [France] ; Jacqueline Grima-Pettenati [France] ; Hua Cassan-Wang [France]

Source :

Plant & cell physiology [ 1471-9053 ] ; 2015.

RBID : pubmed:25577568

Descripteurs français

English descriptors

KwdEn :
- Arabidopsis (genetics), Cell Differentiation (MeSH), Cell Nucleus (metabolism), Chromosomes, Plant (genetics), Environment (MeSH), Eucalyptus (genetics), Eucalyptus (growth & development), Gene Expression Profiling (MeSH), Gene Expression Regulation, Plant (MeSH), Genes, Plant (MeSH), Genetic Association Studies (MeSH), Genome, Plant (MeSH), Gravitropism (MeSH), Indoleacetic Acids (metabolism), Multigene Family (MeSH), Organ Specificity (genetics), Phenotype (MeSH), Phylogeny (MeSH), Plant Development (MeSH), Plant Proteins (genetics), Plant Proteins (metabolism), Plants, Genetically Modified (MeSH), Protein Transport (MeSH), Sequence Analysis, DNA (MeSH), Species Specificity (MeSH), Subcellular Fractions (metabolism), Transcription, Genetic (MeSH), Wood (genetics), Wood (growth & development), Xylem (cytology).
MESH :
- chemical , genetics : Plant Proteins.
- chemical , metabolism : Indoleacetic Acids, Plant Proteins.
- cytology : Xylem.
- genetics : Arabidopsis, Chromosomes, Plant, Eucalyptus, Organ Specificity, Wood.
- growth & development : Eucalyptus, Wood.
- metabolism : Cell Nucleus, Subcellular Fractions.
- Cell Differentiation, Environment, Gene Expression Profiling, Gene Expression Regulation, Plant, Genes, Plant, Genetic Association Studies, Genome, Plant, Gravitropism, Multigene Family, Phenotype, Phylogeny, Plant Development, Plants, Genetically Modified, Protein Transport, Sequence Analysis, DNA, Species Specificity, Transcription, Genetic.

Abstract

Auxin plays a pivotal role in various plant growth and development processes, including vascular differentiation. The modulation of auxin responsiveness through the auxin perception and signaling machinery is believed to be a major regulatory mechanism controlling cambium activity and wood formation. To gain more insights into the roles of key Aux/IAA gene regulators of the auxin response in these processes, we identified and characterized members of the Aux/IAA family in the genome of Eucalyptus grandis, a tree of worldwide economic importance. We found that the gene family in Eucalyptus is slightly smaller than that in Populus and Arabidopsis, but all phylogenetic groups are represented. High-throughput expression profiling of different organs and tissues highlighted several Aux/IAA genes expressed in vascular cambium and/or developing xylem, some showing differential expression in response to developmental (juvenile vs. mature) and/or to environmental (tension stress) cues. Based on the expression profiles, we selected a promising candidate gene, EgrIAA4, for functional characterization. We showed that EgrIAA4 protein is localized in the nucleus and functions as an auxin-responsive repressor. Overexpressing a stabilized version of EgrIAA4 in Arabidopsis dramatically impeded plant growth and fertility and induced auxin-insensitive phenotypes such as inhibition of primary root elongation, lateral root emergence and agravitropism. Interestingly, the lignified secondary walls of the interfascicular fibers appeared very late, whereas those of the xylary fibers were virtually undetectable, suggesting that EgrIAA4 may play crucial roles in fiber development and secondary cell wall deposition.

DOI: 10.1093/pcp/pcu215
PubMed: 25577568

Affiliations:

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Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en">Comprehensive genome-wide analysis of the Aux/IAA gene family in Eucalyptus: evidence for the role of EgrIAA4 in wood formation.</title>
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<country xml:lang="fr">Afrique du Sud</country>
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<wicri:noRegion>0028</wicri:noRegion>
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<country xml:lang="fr">France</country>
<wicri:regionArea>Université de Toulouse, INP-ENSA Toulouse, Génomique et Biotechnologie des Fruits, Avenue de l'Agrobiopole BP 32607, F-31326 Castanet-Tolosan, France INRA, UMR990 Génomique et Biotechnologie des Fruits, Chemin de Borde Rouge, F-31326 Castanet-Tolosan</wicri:regionArea>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Arabidopsis (genetics)</term>
<term>Cell Differentiation (MeSH)</term>
<term>Cell Nucleus (metabolism)</term>
<term>Chromosomes, Plant (genetics)</term>
<term>Environment (MeSH)</term>
<term>Eucalyptus (genetics)</term>
<term>Eucalyptus (growth & development)</term>
<term>Gene Expression Profiling (MeSH)</term>
<term>Gene Expression Regulation, Plant (MeSH)</term>
<term>Genes, Plant (MeSH)</term>
<term>Genetic Association Studies (MeSH)</term>
<term>Genome, Plant (MeSH)</term>
<term>Gravitropism (MeSH)</term>
<term>Indoleacetic Acids (metabolism)</term>
<term>Multigene Family (MeSH)</term>
<term>Organ Specificity (genetics)</term>
<term>Phenotype (MeSH)</term>
<term>Phylogeny (MeSH)</term>
<term>Plant Development (MeSH)</term>
<term>Plant Proteins (genetics)</term>
<term>Plant Proteins (metabolism)</term>
<term>Plants, Genetically Modified (MeSH)</term>
<term>Protein Transport (MeSH)</term>
<term>Sequence Analysis, DNA (MeSH)</term>
<term>Species Specificity (MeSH)</term>
<term>Subcellular Fractions (metabolism)</term>
<term>Transcription, Genetic (MeSH)</term>
<term>Wood (genetics)</term>
<term>Wood (growth & development)</term>
<term>Xylem (cytology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Acides indolacétiques (métabolisme)</term>
<term>Analyse de profil d'expression de gènes (MeSH)</term>
<term>Analyse de séquence d'ADN (MeSH)</term>
<term>Arabidopsis (génétique)</term>
<term>Bois (croissance et développement)</term>
<term>Bois (génétique)</term>
<term>Chromosomes de plante (génétique)</term>
<term>Différenciation cellulaire (MeSH)</term>
<term>Développement des plantes (MeSH)</term>
<term>Environnement (MeSH)</term>
<term>Eucalyptus (croissance et développement)</term>
<term>Eucalyptus (génétique)</term>
<term>Famille multigénique (MeSH)</term>
<term>Fractions subcellulaires (métabolisme)</term>
<term>Gravitropisme (MeSH)</term>
<term>Gènes de plante (MeSH)</term>
<term>Génome végétal (MeSH)</term>
<term>Noyau de la cellule (métabolisme)</term>
<term>Phylogenèse (MeSH)</term>
<term>Phénotype (MeSH)</term>
<term>Protéines végétales (génétique)</term>
<term>Protéines végétales (métabolisme)</term>
<term>Régulation de l'expression des gènes végétaux (MeSH)</term>
<term>Spécificité d'espèce (MeSH)</term>
<term>Spécificité d'organe (génétique)</term>
<term>Transcription génétique (MeSH)</term>
<term>Transport des protéines (MeSH)</term>
<term>Végétaux génétiquement modifiés (MeSH)</term>
<term>Xylème (cytologie)</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>Indoleacetic Acids</term>
<term>Plant Proteins</term>
</keywords>
<keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Bois</term>
<term>Eucalyptus</term>
</keywords>
<keywords scheme="MESH" qualifier="cytologie" xml:lang="fr"><term>Xylème</term>
</keywords>
<keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Xylem</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Arabidopsis</term>
<term>Chromosomes, Plant</term>
<term>Eucalyptus</term>
<term>Organ Specificity</term>
<term>Wood</term>
</keywords>
<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Eucalyptus</term>
<term>Wood</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Arabidopsis</term>
<term>Bois</term>
<term>Chromosomes de plante</term>
<term>Eucalyptus</term>
<term>Protéines végétales</term>
<term>Spécificité d'organe</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Cell Nucleus</term>
<term>Subcellular Fractions</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Acides indolacétiques</term>
<term>Fractions subcellulaires</term>
<term>Noyau de la cellule</term>
<term>Protéines végétales</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Cell Differentiation</term>
<term>Environment</term>
<term>Gene Expression Profiling</term>
<term>Gene Expression Regulation, Plant</term>
<term>Genes, Plant</term>
<term>Genetic Association Studies</term>
<term>Genome, Plant</term>
<term>Gravitropism</term>
<term>Multigene Family</term>
<term>Phenotype</term>
<term>Phylogeny</term>
<term>Plant Development</term>
<term>Plants, Genetically Modified</term>
<term>Protein Transport</term>
<term>Sequence Analysis, DNA</term>
<term>Species Specificity</term>
<term>Transcription, Genetic</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Analyse de profil d'expression de gènes</term>
<term>Analyse de séquence d'ADN</term>
<term>Différenciation cellulaire</term>
<term>Développement des plantes</term>
<term>Environnement</term>
<term>Famille multigénique</term>
<term>Gravitropisme</term>
<term>Gènes de plante</term>
<term>Génome végétal</term>
<term>Phylogenèse</term>
<term>Phénotype</term>
<term>Régulation de l'expression des gènes végétaux</term>
<term>Spécificité d'espèce</term>
<term>Transcription génétique</term>
<term>Transport des protéines</term>
<term>Végétaux génétiquement modifiés</term>
<term>Études d'associations génétiques</term>
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<front><div type="abstract" xml:lang="en">Auxin plays a pivotal role in various plant growth and development processes, including vascular differentiation. The modulation of auxin responsiveness through the auxin perception and signaling machinery is believed to be a major regulatory mechanism controlling cambium activity and wood formation. To gain more insights into the roles of key Aux/IAA gene regulators of the auxin response in these processes, we identified and characterized members of the Aux/IAA family in the genome of Eucalyptus grandis, a tree of worldwide economic importance. We found that the gene family in Eucalyptus is slightly smaller than that in Populus and Arabidopsis, but all phylogenetic groups are represented. High-throughput expression profiling of different organs and tissues highlighted several Aux/IAA genes expressed in vascular cambium and/or developing xylem, some showing differential expression in response to developmental (juvenile vs. mature) and/or to environmental (tension stress) cues. Based on the expression profiles, we selected a promising candidate gene, EgrIAA4, for functional characterization. We showed that EgrIAA4 protein is localized in the nucleus and functions as an auxin-responsive repressor. Overexpressing a stabilized version of EgrIAA4 in Arabidopsis dramatically impeded plant growth and fertility and induced auxin-insensitive phenotypes such as inhibition of primary root elongation, lateral root emergence and agravitropism. Interestingly, the lignified secondary walls of the interfascicular fibers appeared very late, whereas those of the xylary fibers were virtually undetectable, suggesting that EgrIAA4 may play crucial roles in fiber development and secondary cell wall deposition. </div>
</front>
</TEI>
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<DateCompleted><Year>2016</Year>
<Month>01</Month>
<Day>11</Day>
</DateCompleted>
<DateRevised><Year>2015</Year>
<Month>04</Month>
<Day>08</Day>
</DateRevised>
<Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1471-9053</ISSN>
<JournalIssue CitedMedium="Internet"><Volume>56</Volume>
<Issue>4</Issue>
<PubDate><Year>2015</Year>
<Month>Apr</Month>
</PubDate>
</JournalIssue>
<Title>Plant & cell physiology</Title>
<ISOAbbreviation>Plant Cell Physiol</ISOAbbreviation>
</Journal>
<ArticleTitle>Comprehensive genome-wide analysis of the Aux/IAA gene family in Eucalyptus: evidence for the role of EgrIAA4 in wood formation.</ArticleTitle>
<Pagination><MedlinePgn>700-14</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1093/pcp/pcu215</ELocationID>
<Abstract><AbstractText>Auxin plays a pivotal role in various plant growth and development processes, including vascular differentiation. The modulation of auxin responsiveness through the auxin perception and signaling machinery is believed to be a major regulatory mechanism controlling cambium activity and wood formation. To gain more insights into the roles of key Aux/IAA gene regulators of the auxin response in these processes, we identified and characterized members of the Aux/IAA family in the genome of Eucalyptus grandis, a tree of worldwide economic importance. We found that the gene family in Eucalyptus is slightly smaller than that in Populus and Arabidopsis, but all phylogenetic groups are represented. High-throughput expression profiling of different organs and tissues highlighted several Aux/IAA genes expressed in vascular cambium and/or developing xylem, some showing differential expression in response to developmental (juvenile vs. mature) and/or to environmental (tension stress) cues. Based on the expression profiles, we selected a promising candidate gene, EgrIAA4, for functional characterization. We showed that EgrIAA4 protein is localized in the nucleus and functions as an auxin-responsive repressor. Overexpressing a stabilized version of EgrIAA4 in Arabidopsis dramatically impeded plant growth and fertility and induced auxin-insensitive phenotypes such as inhibition of primary root elongation, lateral root emergence and agravitropism. Interestingly, the lignified secondary walls of the interfascicular fibers appeared very late, whereas those of the xylary fibers were virtually undetectable, suggesting that EgrIAA4 may play crucial roles in fiber development and secondary cell wall deposition. </AbstractText>
<CopyrightInformation>© The Author 2015. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. All rights reserved. For permissions, please email: journals.permissions@oup.com.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yu</LastName>
<ForeName>Hong</ForeName>
<Initials>H</Initials>
<AffiliationInfo><Affiliation>LRSV Laboratoire de Recherche en Sciences Végétales, UMR5546, Université Toulouse III, UPS, CNRS, BP 42617, Auzeville, F-31326 Castanet Tolosan, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Soler</LastName>
<ForeName>Marçal</ForeName>
<Initials>M</Initials>
<AffiliationInfo><Affiliation>LRSV Laboratoire de Recherche en Sciences Végétales, UMR5546, Université Toulouse III, UPS, CNRS, BP 42617, Auzeville, F-31326 Castanet Tolosan, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>San Clemente</LastName>
<ForeName>Hélène</ForeName>
<Initials>H</Initials>
<AffiliationInfo><Affiliation>LRSV Laboratoire de Recherche en Sciences Végétales, UMR5546, Université Toulouse III, UPS, CNRS, BP 42617, Auzeville, F-31326 Castanet Tolosan, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Mila</LastName>
<ForeName>Isabelle</ForeName>
<Initials>I</Initials>
<AffiliationInfo><Affiliation>Université de Toulouse, INP-ENSA Toulouse, Génomique et Biotechnologie des Fruits, Avenue de l'Agrobiopole BP 32607, F-31326 Castanet-Tolosan, France INRA, UMR990 Génomique et Biotechnologie des Fruits, Chemin de Borde Rouge, F-31326 Castanet-Tolosan, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Paiva</LastName>
<ForeName>Jorge A P</ForeName>
<Initials>JA</Initials>
<AffiliationInfo><Affiliation>Instituto de Investigação Científica e Tropical (IICT/MNE), Palácio Burnay, Rua da Junqueira, 30, 1349-007 Lisboa, Portugal IBET - Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Myburg</LastName>
<ForeName>Alexander A</ForeName>
<Initials>AA</Initials>
<AffiliationInfo><Affiliation>Department of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), Genomics Research Institute (GRI), University of Pretoria, Private Bag X20, Pretoria, 0028, South Africa.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Bouzayen</LastName>
<ForeName>Mondher</ForeName>
<Initials>M</Initials>
<AffiliationInfo><Affiliation>Université de Toulouse, INP-ENSA Toulouse, Génomique et Biotechnologie des Fruits, Avenue de l'Agrobiopole BP 32607, F-31326 Castanet-Tolosan, France INRA, UMR990 Génomique et Biotechnologie des Fruits, Chemin de Borde Rouge, F-31326 Castanet-Tolosan, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Grima-Pettenati</LastName>
<ForeName>Jacqueline</ForeName>
<Initials>J</Initials>
<AffiliationInfo><Affiliation>LRSV Laboratoire de Recherche en Sciences Végétales, UMR5546, Université Toulouse III, UPS, CNRS, BP 42617, Auzeville, F-31326 Castanet Tolosan, France grima@lrsv.ups-tlse.fr.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Cassan-Wang</LastName>
<ForeName>Hua</ForeName>
<Initials>H</Initials>
<AffiliationInfo><Affiliation>LRSV Laboratoire de Recherche en Sciences Végétales, UMR5546, Université Toulouse III, UPS, CNRS, BP 42617, Auzeville, F-31326 Castanet Tolosan, France.</Affiliation>
</AffiliationInfo>
</Author>
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<Language>eng</Language>
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<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
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<ArticleDate DateType="Electronic"><Year>2015</Year>
<Month>01</Month>
<Day>09</Day>
</ArticleDate>
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Comprehensive genome-wide analysis of the Aux/IAA gene family in Eucalyptus: evidence for the role of EgrIAA4 in wood formation.

Comprehensive genome-wide analysis of the Aux/IAA gene family in Eucalyptus: evidence for the role of EgrIAA4 in wood formation.

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