Isolation and characterization of a subgroup IIa WRKY transcription factor PtrWRKY40 from Populus trichocarpa.
Identifieur interne : 001A86 ( Main/Curation ); précédent : 001A85; suivant : 001A87Isolation and characterization of a subgroup IIa WRKY transcription factor PtrWRKY40 from Populus trichocarpa.
Auteurs : Abdul Karim [République populaire de Chine] ; Yuanzhong Jiang [République populaire de Chine] ; Li Guo [République populaire de Chine] ; Zhengyi Ling [République populaire de Chine] ; Shenglong Ye [République populaire de Chine] ; Yanjiao Duan [République populaire de Chine] ; Chaofeng Li [République populaire de Chine] ; Keming Luo [République populaire de Chine]Source :
- Tree physiology [ 1758-4469 ] ; 2015.
Descripteurs français
- KwdFr :
- Arabidopsis (génétique), Arabidopsis (microbiologie), Arabidopsis (métabolisme), Ascomycota (physiologie), Facteurs de transcription (génétique), Facteurs de transcription (métabolisme), Maladies des plantes (microbiologie), Populus (génétique), Populus (immunologie), Populus (microbiologie), Populus (métabolisme), Régulation de l'expression des gènes végétaux (MeSH), Résistance à la maladie (MeSH), Végétaux génétiquement modifiés (génétique), Végétaux génétiquement modifiés (microbiologie), Végétaux génétiquement modifiés (métabolisme).
- MESH :
- génétique : Arabidopsis, Facteurs de transcription, Populus, Végétaux génétiquement modifiés.
- immunologie : Populus.
- microbiologie : Arabidopsis, Maladies des plantes, Populus, Végétaux génétiquement modifiés.
- métabolisme : Arabidopsis, Facteurs de transcription, Populus, Végétaux génétiquement modifiés.
- physiologie : Ascomycota.
- Régulation de l'expression des gènes végétaux, Résistance à la maladie.
English descriptors
- KwdEn :
- Arabidopsis (genetics), Arabidopsis (metabolism), Arabidopsis (microbiology), Ascomycota (physiology), Disease Resistance (MeSH), Gene Expression Regulation, Plant (MeSH), Plant Diseases (microbiology), Plants, Genetically Modified (genetics), Plants, Genetically Modified (metabolism), Plants, Genetically Modified (microbiology), Populus (genetics), Populus (immunology), Populus (metabolism), Populus (microbiology), Transcription Factors (genetics), Transcription Factors (metabolism).
- MESH :
- chemical , genetics : Transcription Factors.
- genetics : Arabidopsis, Plants, Genetically Modified, Populus.
- immunology : Populus.
- metabolism : Arabidopsis, Plants, Genetically Modified, Populus, Transcription Factors.
- microbiology : Arabidopsis, Plant Diseases, Plants, Genetically Modified, Populus.
- physiology : Ascomycota.
- Disease Resistance, Gene Expression Regulation, Plant.
Abstract
Salicylic acid (SA) is a defense-related key signaling molecule involved in plant immunity. In this study, a subgroup IIa WRKY gene PtrWRKY40 was isolated from Populus trichocarpa, which displayed amino acid sequence similar to Arabidopsis AtWRKY40, AtWRKY18 and AtWRKY60. PtrWRKY40 transcripts accumulated significantly in response to SA, methyl jasmonate and hemibiotrophic fungus Dothiorella gregaria Sacc. Overexpression of PtrWRKY40 in transgenic poplar conferred higher susceptibility to D. gregaria infection. This susceptibility was coupled with reduced expression of SA-associated genes (PR1.1, PR2.1, PR5.9, CPR5 and SID2) and jasmonic acid (JA)-related gene JAZ8. Decreased accumulation of endogenous SA was observed in transgenic lines overexpressing PtrWRKY40 when compared with wild-type plants. However, constitutive expression of PtrWRKY40 in Arabidopsis thaliana displayed resistance to necrotrophic fungus Botrytis cinerea, and the expression of JA-defense-related genes such as PDF1.2, VSP2 and PR3 was remarkably increased in transgenic plants upon infection with fugal pathogens. Together, our findings indicate that PtrWRKY40 plays a negative role in resistance to hemibiotrophic fungi in poplar but functions as a positive regulator of resistance toward the necrotrophic fungi in Arabidopsis.
DOI: 10.1093/treephys/tpv084
PubMed: 26423133
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<term>Disease Resistance (MeSH)</term>
<term>Gene Expression Regulation, Plant (MeSH)</term>
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<front><div type="abstract" xml:lang="en">Salicylic acid (SA) is a defense-related key signaling molecule involved in plant immunity. In this study, a subgroup IIa WRKY gene PtrWRKY40 was isolated from Populus trichocarpa, which displayed amino acid sequence similar to Arabidopsis AtWRKY40, AtWRKY18 and AtWRKY60. PtrWRKY40 transcripts accumulated significantly in response to SA, methyl jasmonate and hemibiotrophic fungus Dothiorella gregaria Sacc. Overexpression of PtrWRKY40 in transgenic poplar conferred higher susceptibility to D. gregaria infection. This susceptibility was coupled with reduced expression of SA-associated genes (PR1.1, PR2.1, PR5.9, CPR5 and SID2) and jasmonic acid (JA)-related gene JAZ8. Decreased accumulation of endogenous SA was observed in transgenic lines overexpressing PtrWRKY40 when compared with wild-type plants. However, constitutive expression of PtrWRKY40 in Arabidopsis thaliana displayed resistance to necrotrophic fungus Botrytis cinerea, and the expression of JA-defense-related genes such as PDF1.2, VSP2 and PR3 was remarkably increased in transgenic plants upon infection with fugal pathogens. Together, our findings indicate that PtrWRKY40 plays a negative role in resistance to hemibiotrophic fungi in poplar but functions as a positive regulator of resistance toward the necrotrophic fungi in Arabidopsis. </div>
</front>
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<DateCompleted><Year>2016</Year>
<Month>07</Month>
<Day>29</Day>
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<DateRevised><Year>2015</Year>
<Month>10</Month>
<Day>23</Day>
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<JournalIssue CitedMedium="Internet"><Volume>35</Volume>
<Issue>10</Issue>
<PubDate><Year>2015</Year>
<Month>Oct</Month>
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<Title>Tree physiology</Title>
<ISOAbbreviation>Tree Physiol</ISOAbbreviation>
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<ArticleTitle>Isolation and characterization of a subgroup IIa WRKY transcription factor PtrWRKY40 from Populus trichocarpa.</ArticleTitle>
<Pagination><MedlinePgn>1129-39</MedlinePgn>
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<ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpv084</ELocationID>
<Abstract><AbstractText>Salicylic acid (SA) is a defense-related key signaling molecule involved in plant immunity. In this study, a subgroup IIa WRKY gene PtrWRKY40 was isolated from Populus trichocarpa, which displayed amino acid sequence similar to Arabidopsis AtWRKY40, AtWRKY18 and AtWRKY60. PtrWRKY40 transcripts accumulated significantly in response to SA, methyl jasmonate and hemibiotrophic fungus Dothiorella gregaria Sacc. Overexpression of PtrWRKY40 in transgenic poplar conferred higher susceptibility to D. gregaria infection. This susceptibility was coupled with reduced expression of SA-associated genes (PR1.1, PR2.1, PR5.9, CPR5 and SID2) and jasmonic acid (JA)-related gene JAZ8. Decreased accumulation of endogenous SA was observed in transgenic lines overexpressing PtrWRKY40 when compared with wild-type plants. However, constitutive expression of PtrWRKY40 in Arabidopsis thaliana displayed resistance to necrotrophic fungus Botrytis cinerea, and the expression of JA-defense-related genes such as PDF1.2, VSP2 and PR3 was remarkably increased in transgenic plants upon infection with fugal pathogens. Together, our findings indicate that PtrWRKY40 plays a negative role in resistance to hemibiotrophic fungi in poplar but functions as a positive regulator of resistance toward the necrotrophic fungi in Arabidopsis. </AbstractText>
<CopyrightInformation>© The Author 2015. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Karim</LastName>
<ForeName>Abdul</ForeName>
<Initials>A</Initials>
<AffiliationInfo><Affiliation>Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Transgenic Plant and Safety Control, Institute of Resources Botany, School of Life Sciences, Southwest University, Chongqing 400715, China.</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Jiang</LastName>
<ForeName>Yuanzhong</ForeName>
<Initials>Y</Initials>
<AffiliationInfo><Affiliation>Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Transgenic Plant and Safety Control, Institute of Resources Botany, School of Life Sciences, Southwest University, Chongqing 400715, China.</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Guo</LastName>
<ForeName>Li</ForeName>
<Initials>L</Initials>
<AffiliationInfo><Affiliation>Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Transgenic Plant and Safety Control, Institute of Resources Botany, School of Life Sciences, Southwest University, Chongqing 400715, China.</Affiliation>
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<ForeName>Zhengyi</ForeName>
<Initials>Z</Initials>
<AffiliationInfo><Affiliation>Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Transgenic Plant and Safety Control, Institute of Resources Botany, School of Life Sciences, Southwest University, Chongqing 400715, China.</Affiliation>
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</Author>
<Author ValidYN="Y"><LastName>Ye</LastName>
<ForeName>Shenglong</ForeName>
<Initials>S</Initials>
<AffiliationInfo><Affiliation>Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Transgenic Plant and Safety Control, Institute of Resources Botany, School of Life Sciences, Southwest University, Chongqing 400715, China.</Affiliation>
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</Author>
<Author ValidYN="Y"><LastName>Duan</LastName>
<ForeName>Yanjiao</ForeName>
<Initials>Y</Initials>
<AffiliationInfo><Affiliation>Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Transgenic Plant and Safety Control, Institute of Resources Botany, 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>Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, 810008 Xining, China.</Affiliation>
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<Author ValidYN="Y"><LastName>Luo</LastName>
<ForeName>Keming</ForeName>
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<AffiliationInfo><Affiliation>Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, Chongqing Key Laboratory of Transgenic Plant and Safety Control, Institute of Resources Botany, School of Life Sciences, Southwest University, Chongqing 400715, China Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, 810008 Xining, China kemingl@swu.edu.cn.</Affiliation>
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<Language>eng</Language>
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<ArticleDate DateType="Electronic"><Year>2015</Year>
<Month>09</Month>
<Day>29</Day>
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<MedlineJournalInfo><Country>Canada</Country>
<MedlineTA>Tree Physiol</MedlineTA>
<NlmUniqueID>100955338</NlmUniqueID>
<ISSNLinking>0829-318X</ISSNLinking>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D017360" MajorTopicYN="N">Arabidopsis</DescriptorName>
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<MeshHeading><DescriptorName UI="D001203" MajorTopicYN="N">Ascomycota</DescriptorName>
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<MeshHeading><DescriptorName UI="D060467" MajorTopicYN="Y">Disease Resistance</DescriptorName>
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<MeshHeading><DescriptorName UI="D018506" MajorTopicYN="Y">Gene Expression Regulation, Plant</DescriptorName>
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<MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName>
<QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName>
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<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
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<MeshHeading><DescriptorName UI="D014157" MajorTopicYN="N">Transcription Factors</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Populus</Keyword>
<Keyword MajorTopicYN="N">jasmonate</Keyword>
<Keyword MajorTopicYN="N">pathogen resistance</Keyword>
<Keyword MajorTopicYN="N">salicylic acid</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year>
<Month>05</Month>
<Day>06</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted"><Year>2015</Year>
<Month>08</Month>
<Day>05</Day>
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<PubMedPubDate PubStatus="entrez"><Year>2015</Year>
<Month>10</Month>
<Day>2</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="pubmed"><Year>2015</Year>
<Month>10</Month>
<Day>2</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="medline"><Year>2016</Year>
<Month>7</Month>
<Day>30</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList><ArticleId IdType="pubmed">26423133</ArticleId>
<ArticleId IdType="pii">tpv084</ArticleId>
<ArticleId IdType="doi">10.1093/treephys/tpv084</ArticleId>
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