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Auxin-mediated Aux/IAA-ARF-HB signaling cascade regulates secondary xylem development in Populus.

Identifieur interne : 000B13 ( Main/Exploration ); précédent : 000B12; suivant : 000B14

Auxin-mediated Aux/IAA-ARF-HB signaling cascade regulates secondary xylem development in Populus.

Auteurs : Changzheng Xu [République populaire de Chine] ; Yun Shen [République populaire de Chine] ; Fu He [République populaire de Chine] ; Xiaokang Fu [République populaire de Chine] ; Hong Yu [République populaire de Chine] ; Wanxiang Lu [République populaire de Chine] ; Yongli Li [République populaire de Chine] ; Chaofeng Li [République populaire de Chine] ; Di Fan [République populaire de Chine] ; Hua Cassan Wang [France] ; Keming Luo [République populaire de Chine]

Source :

RBID : pubmed:30582614

Descripteurs français

English descriptors

Abstract

Wood development is strictly regulated by various phytohormones and auxin plays a central regulatory role in this process. However, how the auxin signaling is transducted in developing secondary xylem during wood formation in tree species remains unclear. Here, we identified an Aux/INDOLE-3-ACETIC ACID 9 (IAA9)-AUXIN RESPONSE FACTOR 5 (ARF5) module in Populus tomentosa as a key mediator of auxin signaling to control early developing xylem development. PtoIAA9, a canonical Aux/IAA gene, is predominantly expressed in vascular cambium and developing secondary xylem and induced by exogenous auxin. Overexpression of PtoIAA9m encoding a stabilized IAA9 protein significantly represses secondary xylem development in transgenic poplar. We further showed that PtoIAA9 interacts with PtoARF5 homologs via the C-terminal III/IV domains. The truncated PtoARF5.1 protein without the III/IV domains rescued defective phenotypes caused by PtoIAA9m. Expression analysis showed that the PtoIAA9-PtoARF5 module regulated the expression of genes associated with secondary vascular development in PtoIAA9m- and PtoARF5.1-overexpressing plants. Furthermore, PtoARF5.1 could bind to the promoters of two Class III homeodomain-leucine zipper (HD-ZIP III) genes, PtoHB7 and PtoHB8, to modulate secondary xylem formation. Taken together, our results suggest that the Aux/IAA9-ARF5 module is required for auxin signaling to regulate wood formation via orchestrating the expression of HD-ZIP III transcription factors in poplar.

DOI: 10.1111/nph.15658
PubMed: 30582614


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Le document en format XML

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<term>Gene Expression Regulation, Plant (MeSH)</term>
<term>Indoleacetic Acids (metabolism)</term>
<term>Phenotype (MeSH)</term>
<term>Plant Proteins (genetics)</term>
<term>Plant Proteins (metabolism)</term>
<term>Populus (genetics)</term>
<term>Populus (growth & development)</term>
<term>Protein Binding (MeSH)</term>
<term>Signal Transduction (MeSH)</term>
<term>Wood (growth & development)</term>
<term>Xylem (genetics)</term>
<term>Xylem (growth & development)</term>
</keywords>
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<term>Acides indolacétiques (métabolisme)</term>
<term>Bois (croissance et développement)</term>
<term>Liaison aux protéines (MeSH)</term>
<term>Phénotype (MeSH)</term>
<term>Populus (croissance et développement)</term>
<term>Populus (génétique)</term>
<term>Protéines végétales (génétique)</term>
<term>Protéines végétales (métabolisme)</term>
<term>Régulation de l'expression des gènes végétaux (MeSH)</term>
<term>Transduction du signal (MeSH)</term>
<term>Xylème (croissance et développement)</term>
<term>Xylème (génétique)</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>Populus</term>
<term>Xylème</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en">
<term>Populus</term>
<term>Xylem</term>
</keywords>
<keywords scheme="MESH" qualifier="growth & development" xml:lang="en">
<term>Populus</term>
<term>Wood</term>
<term>Xylem</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr">
<term>Populus</term>
<term>Protéines végétales</term>
<term>Xylème</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr">
<term>Acides indolacétiques</term>
<term>Protéines végétales</term>
</keywords>
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<term>Protein Binding</term>
<term>Signal Transduction</term>
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<term>Liaison aux protéines</term>
<term>Phénotype</term>
<term>Régulation de l'expression des gènes végétaux</term>
<term>Transduction du signal</term>
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<div type="abstract" xml:lang="en">Wood development is strictly regulated by various phytohormones and auxin plays a central regulatory role in this process. However, how the auxin signaling is transducted in developing secondary xylem during wood formation in tree species remains unclear. Here, we identified an Aux/INDOLE-3-ACETIC ACID 9 (IAA9)-AUXIN RESPONSE FACTOR 5 (ARF5) module in Populus tomentosa as a key mediator of auxin signaling to control early developing xylem development. PtoIAA9, a canonical Aux/IAA gene, is predominantly expressed in vascular cambium and developing secondary xylem and induced by exogenous auxin. Overexpression of PtoIAA9m encoding a stabilized IAA9 protein significantly represses secondary xylem development in transgenic poplar. We further showed that PtoIAA9 interacts with PtoARF5 homologs via the C-terminal III/IV domains. The truncated PtoARF5.1 protein without the III/IV domains rescued defective phenotypes caused by PtoIAA9m. Expression analysis showed that the PtoIAA9-PtoARF5 module regulated the expression of genes associated with secondary vascular development in PtoIAA9m- and PtoARF5.1-overexpressing plants. Furthermore, PtoARF5.1 could bind to the promoters of two Class III homeodomain-leucine zipper (HD-ZIP III) genes, PtoHB7 and PtoHB8, to modulate secondary xylem formation. Taken together, our results suggest that the Aux/IAA9-ARF5 module is required for auxin signaling to regulate wood formation via orchestrating the expression of HD-ZIP III transcription factors in poplar.</div>
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<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>222</Volume>
<Issue>2</Issue>
<PubDate>
<Year>2019</Year>
<Month>04</Month>
</PubDate>
</JournalIssue>
<Title>The New phytologist</Title>
<ISOAbbreviation>New Phytol</ISOAbbreviation>
</Journal>
<ArticleTitle>Auxin-mediated Aux/IAA-ARF-HB signaling cascade regulates secondary xylem development in Populus.</ArticleTitle>
<Pagination>
<MedlinePgn>752-767</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.15658</ELocationID>
<Abstract>
<AbstractText>Wood development is strictly regulated by various phytohormones and auxin plays a central regulatory role in this process. However, how the auxin signaling is transducted in developing secondary xylem during wood formation in tree species remains unclear. Here, we identified an Aux/INDOLE-3-ACETIC ACID 9 (IAA9)-AUXIN RESPONSE FACTOR 5 (ARF5) module in Populus tomentosa as a key mediator of auxin signaling to control early developing xylem development. PtoIAA9, a canonical Aux/IAA gene, is predominantly expressed in vascular cambium and developing secondary xylem and induced by exogenous auxin. Overexpression of PtoIAA9m encoding a stabilized IAA9 protein significantly represses secondary xylem development in transgenic poplar. We further showed that PtoIAA9 interacts with PtoARF5 homologs via the C-terminal III/IV domains. The truncated PtoARF5.1 protein without the III/IV domains rescued defective phenotypes caused by PtoIAA9m. Expression analysis showed that the PtoIAA9-PtoARF5 module regulated the expression of genes associated with secondary vascular development in PtoIAA9m- and PtoARF5.1-overexpressing plants. Furthermore, PtoARF5.1 could bind to the promoters of two Class III homeodomain-leucine zipper (HD-ZIP III) genes, PtoHB7 and PtoHB8, to modulate secondary xylem formation. Taken together, our results suggest that the Aux/IAA9-ARF5 module is required for auxin signaling to regulate wood formation via orchestrating the expression of HD-ZIP III transcription factors in poplar.</AbstractText>
<CopyrightInformation>© 2018 The Authors. New Phytologist © 2018 New Phytologist Trust.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Xu</LastName>
<ForeName>Changzheng</ForeName>
<Initials>C</Initials>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Shen</LastName>
<ForeName>Yun</ForeName>
<Initials>Y</Initials>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>He</LastName>
<ForeName>Fu</ForeName>
<Initials>F</Initials>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Fu</LastName>
<ForeName>Xiaokang</ForeName>
<Initials>X</Initials>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Yu</LastName>
<ForeName>Hong</ForeName>
<Initials>H</Initials>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>School of Basic Medical Sciences, Southwest Medical University, Luzhou, Sichuan, 646000, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Lu</LastName>
<ForeName>Wanxiang</ForeName>
<Initials>W</Initials>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Li</LastName>
<ForeName>Yongli</ForeName>
<Initials>Y</Initials>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Li</LastName>
<ForeName>Chaofeng</ForeName>
<Initials>C</Initials>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, 810008, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Fan</LastName>
<ForeName>Di</ForeName>
<Initials>D</Initials>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Wang</LastName>
<ForeName>Hua Cassan</ForeName>
<Initials>HC</Initials>
<AffiliationInfo>
<Affiliation>UMR5546, Laboratoire de Recherche en Sciences Végétales, Université de Toulouse III Paul Sabatier, CNRS, UPS, 31326, Castanet-Tolosan, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Luo</LastName>
<ForeName>Keming</ForeName>
<Initials>K</Initials>
<Identifier Source="ORCID">0000-0003-4928-7578</Identifier>
<AffiliationInfo>
<Affiliation>Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, School of Life Sciences, Southwest University, Chongqing, 400715, China.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<GrantList CompleteYN="Y">
<Grant>
<GrantID>31500544</GrantID>
<Agency>National Natural Science Foundation of China</Agency>
<Country>International</Country>
</Grant>
<Grant>
<GrantID>31670669</GrantID>
<Agency>National Natural Science Foundation of China</Agency>
<Country>International</Country>
</Grant>
<Grant>
<GrantID>31870657</GrantID>
<Agency>National Natural Science Foundation of China</Agency>
<Country>International</Country>
</Grant>
<Grant>
<GrantID>31800505</GrantID>
<Agency>National Natural Science Foundation of China</Agency>
<Country>International</Country>
</Grant>
<Grant>
<GrantID>31870175</GrantID>
<Agency>National Natural Science Foundation of China</Agency>
<Country>International</Country>
</Grant>
<Grant>
<GrantID>2016ZX08010-003</GrantID>
<Agency>National Key Project for Research on Transgenic Plant</Agency>
<Country>International</Country>
</Grant>
<Grant>
<GrantID>XDJK2018AA005</GrantID>
<Agency>Fundamental Research Funds for the Central Universities</Agency>
<Country>International</Country>
</Grant>
<Grant>
<GrantID>XDJK2014a005</GrantID>
<Agency>Fundamental Research Funds for the Central Universities</Agency>
<Country>International</Country>
</Grant>
</GrantList>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2019</Year>
<Month>02</Month>
<Day>01</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="D007210">Indoleacetic Acids</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D007210" MajorTopicYN="N">Indoleacetic Acids</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010641" MajorTopicYN="N">Phenotype</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="D032107" MajorTopicYN="N">Populus</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D011485" MajorTopicYN="N">Protein Binding</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D015398" MajorTopicYN="Y">Signal Transduction</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName>
<QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D052584" MajorTopicYN="N">Xylem</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="Y">Populus </Keyword>
<Keyword MajorTopicYN="Y">ARF5</Keyword>
<Keyword MajorTopicYN="Y">Aux/IAA9</Keyword>
<Keyword MajorTopicYN="Y">HD-ZIP III transcription factors</Keyword>
<Keyword MajorTopicYN="Y">auxin</Keyword>
<Keyword MajorTopicYN="Y">xylem development</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData>
<History>
<PubMedPubDate PubStatus="received">
<Year>2018</Year>
<Month>11</Month>
<Day>13</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2018</Year>
<Month>12</Month>
<Day>14</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="pubmed">
<Year>2018</Year>
<Month>12</Month>
<Day>26</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline">
<Year>2020</Year>
<Month>2</Month>
<Day>28</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2018</Year>
<Month>12</Month>
<Day>25</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">30582614</ArticleId>
<ArticleId IdType="doi">10.1111/nph.15658</ArticleId>
</ArticleIdList>
</PubmedData>
</pubmed>
<affiliations>
<list>
<country>
<li>France</li>
<li>République populaire de Chine</li>
</country>
<region>
<li>Midi-Pyrénées</li>
<li>Occitanie (région administrative)</li>
</region>
<settlement>
<li>Castanet-Tolosan</li>
</settlement>
</list>
<tree>
<country name="République populaire de Chine">
<noRegion>
<name sortKey="Xu, Changzheng" sort="Xu, Changzheng" uniqKey="Xu C" first="Changzheng" last="Xu">Changzheng Xu</name>
</noRegion>
<name sortKey="Fan, Di" sort="Fan, Di" uniqKey="Fan D" first="Di" last="Fan">Di Fan</name>
<name sortKey="Fu, Xiaokang" sort="Fu, Xiaokang" uniqKey="Fu X" first="Xiaokang" last="Fu">Xiaokang Fu</name>
<name sortKey="He, Fu" sort="He, Fu" uniqKey="He F" first="Fu" last="He">Fu He</name>
<name sortKey="Li, Chaofeng" sort="Li, Chaofeng" uniqKey="Li C" first="Chaofeng" last="Li">Chaofeng Li</name>
<name sortKey="Li, Chaofeng" sort="Li, Chaofeng" uniqKey="Li C" first="Chaofeng" last="Li">Chaofeng Li</name>
<name sortKey="Li, Yongli" sort="Li, Yongli" uniqKey="Li Y" first="Yongli" last="Li">Yongli Li</name>
<name sortKey="Lu, Wanxiang" sort="Lu, Wanxiang" uniqKey="Lu W" first="Wanxiang" last="Lu">Wanxiang Lu</name>
<name sortKey="Luo, Keming" sort="Luo, Keming" uniqKey="Luo K" first="Keming" last="Luo">Keming Luo</name>
<name sortKey="Shen, Yun" sort="Shen, Yun" uniqKey="Shen Y" first="Yun" last="Shen">Yun Shen</name>
<name sortKey="Yu, Hong" sort="Yu, Hong" uniqKey="Yu H" first="Hong" last="Yu">Hong Yu</name>
<name sortKey="Yu, Hong" sort="Yu, Hong" uniqKey="Yu H" first="Hong" last="Yu">Hong Yu</name>
</country>
<country name="France">
<region name="Occitanie (région administrative)">
<name sortKey="Wang, Hua Cassan" sort="Wang, Hua Cassan" uniqKey="Wang H" first="Hua Cassan" last="Wang">Hua Cassan Wang</name>
</region>
</country>
</tree>
</affiliations>
</record>

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