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Transcriptome analysis and association mapping revealed the genetic regulatory network response to cadmium stress in Populus tomentosa.

Identifieur interne : 000044 ( Main/Exploration ); précédent : 000043; suivant : 000045

Transcriptome analysis and association mapping revealed the genetic regulatory network response to cadmium stress in Populus tomentosa.

Auteurs : Mingyang Quan [République populaire de Chine] ; Xin Liu [République populaire de Chine] ; Liang Xiao [République populaire de Chine] ; Panfei Chen [République populaire de Chine] ; Fangyuan Song [République populaire de Chine] ; Wenjie Lu [République populaire de Chine] ; Yuepeng Song [République populaire de Chine] ; Deqiang Zhang [République populaire de Chine]

Source :

RBID : pubmed:32937662

Abstract

Long non-coding RNAs (lncRNAs) play essential roles in plant abiotic stress responses, however, the lncRNA-mediated genetic networks response to cadmium (Cd) treatment remain elusive in trees, the promising phytoremediation candidates for Cd contamination. Here, we identified 172 Cd-responsive lncRNAs and 295 differentially expressed target genes in the leaves of Populus tomentosa under Cd treatment. Functional annotation revealed that these lncRNAs involved in various processes, including photosynthesis, hormone regulation, and phenylalanine metabolism. Association studies identified 78 significant associations, representing 14 Cd-responsive lncRNAs and 28 target genes for photosynthetic and leaf physiological traits. Epistasis uncovered 83 pairwise interactions among these traits, unveiling Cd-responsive lncRNA-mediated genetic networks for photosynthesis and leaf physiology in P. tomentosa. We then focused on the roles of two Cd-responsive lncRNA-gene pairs, MSTRG.22608.1-PtoMYB73 and MSTRG.5634.1-PtoMYB27, in Cd tolerance of Populus, and detected insertions/deletions within lncRNAs as polymorphisms driving target gene expression. LncRNAs genotype analysis and heterologous overexpressing PtoMYB73 and PtoMYB27 in Arabidopsis indicated their positive effects on enhancing Cd tolerance, photosynthetic rate, and leaf growth, and the potential interaction mechanisms of PtoMYB73 with abiotic stresses. Our study provides the genetic basis for Populus response to Cd treatment, facilitating genetic improvement of enhancing Cd tolerance in trees.

DOI: 10.1093/jxb/eraa434
PubMed: 32937662


Affiliations:


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Le document en format XML

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<nlm:affiliation>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</nlm:affiliation>
<country xml:lang="fr" wicri:curation="lc">République populaire de Chine</country>
<wicri:regionArea>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing</wicri:regionArea>
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<settlement type="city">Pékin</settlement>
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<series>
<title level="j">Journal of experimental botany</title>
<idno type="eISSN">1460-2431</idno>
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<date when="2020" type="published">2020</date>
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<div type="abstract" xml:lang="en">Long non-coding RNAs (lncRNAs) play essential roles in plant abiotic stress responses, however, the lncRNA-mediated genetic networks response to cadmium (Cd) treatment remain elusive in trees, the promising phytoremediation candidates for Cd contamination. Here, we identified 172 Cd-responsive lncRNAs and 295 differentially expressed target genes in the leaves of Populus tomentosa under Cd treatment. Functional annotation revealed that these lncRNAs involved in various processes, including photosynthesis, hormone regulation, and phenylalanine metabolism. Association studies identified 78 significant associations, representing 14 Cd-responsive lncRNAs and 28 target genes for photosynthetic and leaf physiological traits. Epistasis uncovered 83 pairwise interactions among these traits, unveiling Cd-responsive lncRNA-mediated genetic networks for photosynthesis and leaf physiology in P. tomentosa. We then focused on the roles of two Cd-responsive lncRNA-gene pairs, MSTRG.22608.1-PtoMYB73 and MSTRG.5634.1-PtoMYB27, in Cd tolerance of Populus, and detected insertions/deletions within lncRNAs as polymorphisms driving target gene expression. LncRNAs genotype analysis and heterologous overexpressing PtoMYB73 and PtoMYB27 in Arabidopsis indicated their positive effects on enhancing Cd tolerance, photosynthetic rate, and leaf growth, and the potential interaction mechanisms of PtoMYB73 with abiotic stresses. Our study provides the genetic basis for Populus response to Cd treatment, facilitating genetic improvement of enhancing Cd tolerance in trees.</div>
</front>
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<Year>2020</Year>
<Month>09</Month>
<Day>16</Day>
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<ISSN IssnType="Electronic">1460-2431</ISSN>
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<Year>2020</Year>
<Month>Sep</Month>
<Day>16</Day>
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<Title>Journal of experimental botany</Title>
<ISOAbbreviation>J Exp Bot</ISOAbbreviation>
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<ArticleTitle>Transcriptome analysis and association mapping revealed the genetic regulatory network response to cadmium stress in Populus tomentosa.</ArticleTitle>
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<AbstractText>Long non-coding RNAs (lncRNAs) play essential roles in plant abiotic stress responses, however, the lncRNA-mediated genetic networks response to cadmium (Cd) treatment remain elusive in trees, the promising phytoremediation candidates for Cd contamination. Here, we identified 172 Cd-responsive lncRNAs and 295 differentially expressed target genes in the leaves of Populus tomentosa under Cd treatment. Functional annotation revealed that these lncRNAs involved in various processes, including photosynthesis, hormone regulation, and phenylalanine metabolism. Association studies identified 78 significant associations, representing 14 Cd-responsive lncRNAs and 28 target genes for photosynthetic and leaf physiological traits. Epistasis uncovered 83 pairwise interactions among these traits, unveiling Cd-responsive lncRNA-mediated genetic networks for photosynthesis and leaf physiology in P. tomentosa. We then focused on the roles of two Cd-responsive lncRNA-gene pairs, MSTRG.22608.1-PtoMYB73 and MSTRG.5634.1-PtoMYB27, in Cd tolerance of Populus, and detected insertions/deletions within lncRNAs as polymorphisms driving target gene expression. LncRNAs genotype analysis and heterologous overexpressing PtoMYB73 and PtoMYB27 in Arabidopsis indicated their positive effects on enhancing Cd tolerance, photosynthetic rate, and leaf growth, and the potential interaction mechanisms of PtoMYB73 with abiotic stresses. Our study provides the genetic basis for Populus response to Cd treatment, facilitating genetic improvement of enhancing Cd tolerance in trees.</AbstractText>
<CopyrightInformation>© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissions@oup.com.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Quan</LastName>
<ForeName>Mingyang</ForeName>
<Initials>M</Initials>
<AffiliationInfo>
<Affiliation>Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
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<LastName>Liu</LastName>
<ForeName>Xin</ForeName>
<Initials>X</Initials>
<AffiliationInfo>
<Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Xiao</LastName>
<ForeName>Liang</ForeName>
<Initials>L</Initials>
<AffiliationInfo>
<Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Chen</LastName>
<ForeName>Panfei</ForeName>
<Initials>P</Initials>
<AffiliationInfo>
<Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
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<LastName>Song</LastName>
<ForeName>Fangyuan</ForeName>
<Initials>F</Initials>
<AffiliationInfo>
<Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
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<LastName>Lu</LastName>
<ForeName>Wenjie</ForeName>
<Initials>W</Initials>
<AffiliationInfo>
<Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
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<ForeName>Yuepeng</ForeName>
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<Affiliation>Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y">
<LastName>Zhang</LastName>
<ForeName>Deqiang</ForeName>
<Initials>D</Initials>
<AffiliationInfo>
<Affiliation>Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, P. R. China.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
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<PublicationType UI="D016428">Journal Article</PublicationType>
</PublicationTypeList>
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<Year>2020</Year>
<Month>09</Month>
<Day>16</Day>
</ArticleDate>
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<Country>England</Country>
<MedlineTA>J Exp Bot</MedlineTA>
<NlmUniqueID>9882906</NlmUniqueID>
<ISSNLinking>0022-0957</ISSNLinking>
</MedlineJournalInfo>
<CitationSubset>IM</CitationSubset>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="N">Populus </Keyword>
<Keyword MajorTopicYN="N">Association mapping</Keyword>
<Keyword MajorTopicYN="N">cadmium</Keyword>
<Keyword MajorTopicYN="N">epistasis</Keyword>
<Keyword MajorTopicYN="N">genetic architecture</Keyword>
<Keyword MajorTopicYN="N">leaf physiology</Keyword>
<Keyword MajorTopicYN="N">long non-coding RNAs</Keyword>
<Keyword MajorTopicYN="N">photosynthesis</Keyword>
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<li>République populaire de Chine</li>
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</noRegion>
<name sortKey="Chen, Panfei" sort="Chen, Panfei" uniqKey="Chen P" first="Panfei" last="Chen">Panfei Chen</name>
<name sortKey="Chen, Panfei" sort="Chen, Panfei" uniqKey="Chen P" first="Panfei" last="Chen">Panfei Chen</name>
<name sortKey="Liu, Xin" sort="Liu, Xin" uniqKey="Liu X" first="Xin" last="Liu">Xin Liu</name>
<name sortKey="Liu, Xin" sort="Liu, Xin" uniqKey="Liu X" first="Xin" last="Liu">Xin Liu</name>
<name sortKey="Lu, Wenjie" sort="Lu, Wenjie" uniqKey="Lu W" first="Wenjie" last="Lu">Wenjie Lu</name>
<name sortKey="Lu, Wenjie" sort="Lu, Wenjie" uniqKey="Lu W" first="Wenjie" last="Lu">Wenjie Lu</name>
<name sortKey="Quan, Mingyang" sort="Quan, Mingyang" uniqKey="Quan M" first="Mingyang" last="Quan">Mingyang Quan</name>
<name sortKey="Quan, Mingyang" sort="Quan, Mingyang" uniqKey="Quan M" first="Mingyang" last="Quan">Mingyang Quan</name>
<name sortKey="Song, Fangyuan" sort="Song, Fangyuan" uniqKey="Song F" first="Fangyuan" last="Song">Fangyuan Song</name>
<name sortKey="Song, Fangyuan" sort="Song, Fangyuan" uniqKey="Song F" first="Fangyuan" last="Song">Fangyuan Song</name>
<name sortKey="Song, Yuepeng" sort="Song, Yuepeng" uniqKey="Song Y" first="Yuepeng" last="Song">Yuepeng Song</name>
<name sortKey="Song, Yuepeng" sort="Song, Yuepeng" uniqKey="Song Y" first="Yuepeng" last="Song">Yuepeng Song</name>
<name sortKey="Song, Yuepeng" sort="Song, Yuepeng" uniqKey="Song Y" first="Yuepeng" last="Song">Yuepeng Song</name>
<name sortKey="Xiao, Liang" sort="Xiao, Liang" uniqKey="Xiao L" first="Liang" last="Xiao">Liang Xiao</name>
<name sortKey="Xiao, Liang" sort="Xiao, Liang" uniqKey="Xiao L" first="Liang" last="Xiao">Liang Xiao</name>
<name sortKey="Zhang, Deqiang" sort="Zhang, Deqiang" uniqKey="Zhang D" first="Deqiang" last="Zhang">Deqiang Zhang</name>
<name sortKey="Zhang, Deqiang" sort="Zhang, Deqiang" uniqKey="Zhang D" first="Deqiang" last="Zhang">Deqiang Zhang</name>
<name sortKey="Zhang, Deqiang" sort="Zhang, Deqiang" uniqKey="Zhang D" first="Deqiang" last="Zhang">Deqiang Zhang</name>
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