Histone H3K9 demethylase JMJ25 epigenetically modulates anthocyanin biosynthesis in poplar.
Identifieur interne : 000E47 ( Main/Exploration ); précédent : 000E46; suivant : 000E48Histone H3K9 demethylase JMJ25 epigenetically modulates anthocyanin biosynthesis in poplar.
Auteurs : Di Fan [République populaire de Chine] ; Xianqiang Wang [République populaire de Chine] ; Xiaofeng Tang [République populaire de Chine] ; Xiao Ye [République populaire de Chine] ; Sha Ren [République populaire de Chine] ; Denghui Wang [République populaire de Chine] ; Keming Luo [République populaire de Chine]Source :
- The Plant journal : for cell and molecular biology [ 1365-313X ] ; 2018.
Descripteurs français
- KwdFr :
- Anthocyanes (biosynthèse), Chromatine (métabolisme), Histone Demethylases (génétique), Histone Demethylases (métabolisme), Histone Demethylases (physiologie), Méthylation de l'ADN (MeSH), Populus (enzymologie), Populus (génétique), Populus (métabolisme), Protéines végétales (génétique), Protéines végétales (métabolisme), Protéines végétales (physiologie), Régulation de l'expression des gènes végétaux (génétique), Végétaux génétiquement modifiés (MeSH).
- MESH :
- biosynthèse : Anthocyanes.
- enzymologie : Populus.
- génétique : Histone Demethylases, Populus, Protéines végétales, Régulation de l'expression des gènes végétaux.
- métabolisme : Chromatine, Histone Demethylases, Populus, Protéines végétales.
- physiologie : Histone Demethylases, Protéines végétales.
- Méthylation de l'ADN, Végétaux génétiquement modifiés.
English descriptors
- KwdEn :
- Anthocyanins (biosynthesis), Chromatin (metabolism), DNA Methylation (MeSH), Gene Expression Regulation, Plant (genetics), Histone Demethylases (genetics), Histone Demethylases (metabolism), Histone Demethylases (physiology), Plant Proteins (genetics), Plant Proteins (metabolism), Plant Proteins (physiology), Plants, Genetically Modified (MeSH), Populus (enzymology), Populus (genetics), Populus (metabolism).
- MESH :
- chemical , biosynthesis : Anthocyanins.
- chemical , genetics : Histone Demethylases, Plant Proteins.
- chemical , metabolism : Chromatin, Histone Demethylases, Plant Proteins.
- enzymology : Populus.
- genetics : Gene Expression Regulation, Plant, Populus.
- metabolism : Populus.
- chemical , physiology : Histone Demethylases, Plant Proteins.
- DNA Methylation, Plants, Genetically Modified.
Abstract
Anthocyanins are involved in several aspects of development and defence in poplar (Populus spp.). Although, over the past decades, significant progress has been made in uncovering these anthocyanin biosynthetic and regulatory mechanisms, the fundamental understanding of the epigenetic regulation in this pathway is still largely unclear. Here, we isolated a histone H3K9 demethylase gene JMJ25 from Populus and characterized its role in anthocyanin biosynthesis by genetic and biochemical approaches. JMJ25 was induced by continuous dark treatment. Overexpression of JMJ25 led to downregulated expression of anthocyanin biosynthetic genes in transgenic poplar, resulting in a significant reduction in anthocyanin content. ChIP-qPCR assays showed that JMJ25 could directly associate with MYB182 chromatin and dynamically demethylate at H3K9me2. Furthermore, JMJ25 also affected the DNA methylation levels of MYB182. By contrast, knockout of JMJ25 by CRISPR/Cas9 resulted in ectopic anthocyanin accumulation under dark condition and increased expression of anthocyanin biosynthetic genes. Our results support a model in which JMJ25 directly affects MYB182 expression by altering the histone methylation status of its chromatin and DNA methylation, resulting in repression of anthocyanin accumulation. This study uncovered an epigenetic mechanism that modulates anthocyanin biosynthesis in poplar.
DOI: 10.1111/tpj.14092
PubMed: 30218582
Affiliations:
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Di" uniqKey="Fan D" first="Di" last="Fan">Di Fan</name><affiliation wicri:level="1"><nlm: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.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>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</wicri:regionArea><wicri:noRegion>400715</wicri:noRegion></affiliation></author><author><name sortKey="Wang, Xianqiang" sort="Wang, Xianqiang" uniqKey="Wang X" first="Xianqiang" last="Wang">Xianqiang Wang</name><affiliation wicri:level="1"><nlm:affiliation>Key Laboratory of 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Education, Chongqing Key Laboratory of Transgenic Plant and Safety Control, Institute of Resources Botany, School of Life Sciences, Southwest University, Chongqing, 400715</wicri:regionArea><wicri:noRegion>400715</wicri:noRegion></affiliation></author><author><name sortKey="Wang, Denghui" sort="Wang, Denghui" uniqKey="Wang D" first="Denghui" last="Wang">Denghui Wang</name><affiliation wicri:level="1"><nlm: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.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>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</wicri:regionArea><wicri:noRegion>400715</wicri:noRegion></affiliation></author><author><name sortKey="Luo, Keming" sort="Luo, Keming" uniqKey="Luo K" first="Keming" last="Luo">Keming Luo</name><affiliation wicri:level="1"><nlm: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.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>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</wicri:regionArea><wicri:noRegion>400715</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Plant journal : for cell and molecular biology</title><idno type="eISSN">1365-313X</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anthocyanins (biosynthesis)</term><term>Chromatin (metabolism)</term><term>DNA Methylation (MeSH)</term><term>Gene Expression Regulation, Plant (genetics)</term><term>Histone Demethylases (genetics)</term><term>Histone Demethylases (metabolism)</term><term>Histone Demethylases (physiology)</term><term>Plant Proteins (genetics)</term><term>Plant Proteins (metabolism)</term><term>Plant Proteins (physiology)</term><term>Plants, Genetically Modified (MeSH)</term><term>Populus (enzymology)</term><term>Populus (genetics)</term><term>Populus (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Anthocyanes (biosynthèse)</term><term>Chromatine (métabolisme)</term><term>Histone Demethylases (génétique)</term><term>Histone Demethylases (métabolisme)</term><term>Histone Demethylases (physiologie)</term><term>Méthylation de l'ADN (MeSH)</term><term>Populus (enzymologie)</term><term>Populus (génétique)</term><term>Populus (métabolisme)</term><term>Protéines végétales (génétique)</term><term>Protéines végétales (métabolisme)</term><term>Protéines végétales (physiologie)</term><term>Régulation de l'expression des gènes végétaux (génétique)</term><term>Végétaux génétiquement modifiés (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="biosynthesis" xml:lang="en"><term>Anthocyanins</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Histone Demethylases</term><term>Plant Proteins</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Chromatin</term><term>Histone Demethylases</term><term>Plant Proteins</term></keywords><keywords scheme="MESH" qualifier="biosynthèse" xml:lang="fr"><term>Anthocyanes</term></keywords><keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Gene Expression Regulation, Plant</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Histone Demethylases</term><term>Populus</term><term>Protéines végétales</term><term>Régulation de l'expression des gènes végétaux</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Chromatine</term><term>Histone Demethylases</term><term>Populus</term><term>Protéines végétales</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Histone Demethylases</term><term>Protéines végétales</term></keywords><keywords scheme="MESH" type="chemical" qualifier="physiology" xml:lang="en"><term>Histone Demethylases</term><term>Plant Proteins</term></keywords><keywords scheme="MESH" xml:lang="en"><term>DNA Methylation</term><term>Plants, Genetically Modified</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Méthylation de l'ADN</term><term>Végétaux génétiquement modifiés</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Anthocyanins are involved in several aspects of development and defence in poplar (Populus spp.). Although, over the past decades, significant progress has been made in uncovering these anthocyanin biosynthetic and regulatory mechanisms, the fundamental understanding of the epigenetic regulation in this pathway is still largely unclear. Here, we isolated a histone H3K9 demethylase gene JMJ25 from Populus and characterized its role in anthocyanin biosynthesis by genetic and biochemical approaches. JMJ25 was induced by continuous dark treatment. Overexpression of JMJ25 led to downregulated expression of anthocyanin biosynthetic genes in transgenic poplar, resulting in a significant reduction in anthocyanin content. ChIP-qPCR assays showed that JMJ25 could directly associate with MYB182 chromatin and dynamically demethylate at H3K9me2. Furthermore, JMJ25 also affected the DNA methylation levels of MYB182. By contrast, knockout of JMJ25 by CRISPR/Cas9 resulted in ectopic anthocyanin accumulation under dark condition and increased expression of anthocyanin biosynthetic genes. Our results support a model in which JMJ25 directly affects MYB182 expression by altering the histone methylation status of its chromatin and DNA methylation, resulting in repression of anthocyanin accumulation. This study uncovered an epigenetic mechanism that modulates anthocyanin biosynthesis in poplar.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30218582</PMID><DateCompleted><Year>2019</Year><Month>08</Month><Day>06</Day></DateCompleted><DateRevised><Year>2019</Year><Month>08</Month><Day>06</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1365-313X</ISSN><JournalIssue CitedMedium="Internet"><Volume>96</Volume><Issue>6</Issue><PubDate><Year>2018</Year><Month>12</Month></PubDate></JournalIssue><Title>The Plant journal : for cell and molecular biology</Title><ISOAbbreviation>Plant J</ISOAbbreviation></Journal><ArticleTitle>Histone H3K9 demethylase JMJ25 epigenetically modulates anthocyanin biosynthesis in poplar.</ArticleTitle><Pagination><MedlinePgn>1121-1136</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/tpj.14092</ELocationID><Abstract><AbstractText>Anthocyanins are involved in several aspects of development and defence in poplar (Populus spp.). Although, over the past decades, significant progress has been made in uncovering these anthocyanin biosynthetic and regulatory mechanisms, the fundamental understanding of the epigenetic regulation in this pathway is still largely unclear. Here, we isolated a histone H3K9 demethylase gene JMJ25 from Populus and characterized its role in anthocyanin biosynthesis by genetic and biochemical approaches. JMJ25 was induced by continuous dark treatment. Overexpression of JMJ25 led to downregulated expression of anthocyanin biosynthetic genes in transgenic poplar, resulting in a significant reduction in anthocyanin content. ChIP-qPCR assays showed that JMJ25 could directly associate with MYB182 chromatin and dynamically demethylate at H3K9me2. Furthermore, JMJ25 also affected the DNA methylation levels of MYB182. By contrast, knockout of JMJ25 by CRISPR/Cas9 resulted in ectopic anthocyanin accumulation under dark condition and increased expression of anthocyanin biosynthetic genes. Our results support a model in which JMJ25 directly affects MYB182 expression by altering the histone methylation status of its chromatin and DNA methylation, resulting in repression of anthocyanin accumulation. This study uncovered an epigenetic mechanism that modulates anthocyanin biosynthesis in poplar.</AbstractText><CopyrightInformation>© 2018 The Authors The Plant Journal © 2018 John Wiley & Sons Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Fan</LastName><ForeName>Di</ForeName><Initials>D</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>Wang</LastName><ForeName>Xianqiang</ForeName><Initials>X</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>Tang</LastName><ForeName>Xiaofeng</ForeName><Initials>X</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>Ye</LastName><ForeName>Xiao</ForeName><Initials>X</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>Ren</LastName><ForeName>Sha</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></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Denghui</ForeName><Initials>D</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>Luo</LastName><ForeName>Keming</ForeName><Initials>K</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></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>10</Month><Day>23</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Plant J</MedlineTA><NlmUniqueID>9207397</NlmUniqueID><ISSNLinking>0960-7412</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000872">Anthocyanins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D002843">Chromatin</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.14.11.-</RegistryNumber><NameOfSubstance UI="D056466">Histone Demethylases</NameOfSubstance></Chemical></ChemicalList><MeshHeadingList><MeshHeading><DescriptorName UI="D000872" MajorTopicYN="N">Anthocyanins</DescriptorName><QualifierName UI="Q000096" MajorTopicYN="Y">biosynthesis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002843" MajorTopicYN="N">Chromatin</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D019175" MajorTopicYN="N">DNA Methylation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D056466" MajorTopicYN="N">Histone Demethylases</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</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="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Populus
</Keyword><Keyword MajorTopicYN="Y">CRISPR/Cas9</Keyword><Keyword MajorTopicYN="Y">MYB182</Keyword><Keyword MajorTopicYN="Y">anthocyanins</Keyword><Keyword MajorTopicYN="Y">darkness</Keyword><Keyword MajorTopicYN="Y">histone demethylase</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>05</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2018</Year><Month>07</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>09</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>9</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>8</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>9</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30218582</ArticleId><ArticleId IdType="doi">10.1111/tpj.14092</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Fan, Di" sort="Fan, Di" uniqKey="Fan D" first="Di" last="Fan">Di Fan</name></noRegion><name sortKey="Luo, Keming" sort="Luo, Keming" uniqKey="Luo K" first="Keming" last="Luo">Keming Luo</name><name sortKey="Ren, Sha" sort="Ren, Sha" uniqKey="Ren S" first="Sha" last="Ren">Sha Ren</name><name sortKey="Tang, Xiaofeng" sort="Tang, Xiaofeng" uniqKey="Tang X" first="Xiaofeng" last="Tang">Xiaofeng Tang</name><name sortKey="Wang, Denghui" sort="Wang, Denghui" uniqKey="Wang D" first="Denghui" last="Wang">Denghui Wang</name><name sortKey="Wang, Xianqiang" sort="Wang, Xianqiang" uniqKey="Wang X" first="Xianqiang" last="Wang">Xianqiang Wang</name><name sortKey="Ye, Xiao" sort="Ye, Xiao" uniqKey="Ye X" first="Xiao" last="Ye">Xiao Ye</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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