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PdMYB118, isolated from a red leaf mutant of Populus deltoids, is a new transcription factor regulating anthocyanin biosynthesis in poplar.

Identifieur interne : 000799 ( Main/Exploration ); précédent : 000798; suivant : 000800

PdMYB118, isolated from a red leaf mutant of Populus deltoids, is a new transcription factor regulating anthocyanin biosynthesis in poplar.

Auteurs : Haihai Wang [République populaire de Chine] ; Xiaoqing Wang [République populaire de Chine] ; Weimeng Song [République populaire de Chine] ; Yan Bao [République populaire de Chine] ; Yanli Jin [République populaire de Chine] ; Chunmei Jiang [République populaire de Chine] ; Cuiting Wang [République populaire de Chine] ; Bei Li [République populaire de Chine] ; Hongxia Zhang [République populaire de Chine]

Source :

RBID : pubmed:31147728

Descripteurs français

English descriptors

Abstract

KEY MESSAGE

A new anthocyanin biosynthesis transcription factor PdMYB118, which could be used for the genetic engineering of colorful tree species, was indentified from a red leaf mutant of Populus deltoids. In higher plants, the biosynthesis of anthocyanins is regulated by several classes of transcription factors (TFs), including R2R3-MYB, bHLH and WD-repeat proteins. In this work, we isolated an MYB gene regulating anthocyanin biosynthesis from a red leaf mutant of Populus deltoids, which accumulated more anthocyanins in the leaves and showed higher expression levels of anthocyanin biosynthesis genes than did the wild type. Gene expression analyses of all TFs regulating anthocyanin biosynthesis demonstrated that only a MYB118 homologous gene, PdMYB118, was up-regulated in the mutant compared with the wide type. Subcellular localization analyses in poplar leaf mesophyll protoplasts showed that PdMYB118-YFP fusion protein was specifically located in nucleus. When transiently expressed in poplar leaf protoplasts, PdMYB118 specifically promoted the expression of anthocyanidin biosynthesis genes. Dual-luciferase assays revealed that PdMYB118 can directly activate the promoters of these genes. When overexpressed in Shanxin Yang (P. davidiana × P. bolleana), a hybrid clone commercially grown for landscaping in the northern part of China, transgenic plants overexpressing PdMYB118 produced more anthocyanins in the leaves and turned their color into redness when grown in both greenhouse and field. Consistently, transcripts of some important anthocyanidin biosynthesis genes were significantly increased in the leaves of transgenic plants. All these results indicate that PdMYB118 functions as an essential transcription factor regulating anthocyanin biosynthesis in poplar and could be used for the genetic engineering of colorful tree species.


DOI: 10.1007/s00299-019-02413-1
PubMed: 31147728


Affiliations:


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Le document en format XML

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<term>Anthocyanins (metabolism)</term>
<term>Gene Expression Regulation, Plant (genetics)</term>
<term>Gene Expression Regulation, Plant (physiology)</term>
<term>Mutation (genetics)</term>
<term>Plant Leaves (genetics)</term>
<term>Plant Leaves (metabolism)</term>
<term>Plant Proteins (genetics)</term>
<term>Plant Proteins (metabolism)</term>
<term>Plants, Genetically Modified (genetics)</term>
<term>Plants, Genetically Modified (metabolism)</term>
<term>Populus (genetics)</term>
<term>Populus (metabolism)</term>
<term>Transcription Factors (genetics)</term>
<term>Transcription Factors (metabolism)</term>
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<term>Anthocyanes (métabolisme)</term>
<term>Facteurs de transcription (génétique)</term>
<term>Facteurs de transcription (métabolisme)</term>
<term>Feuilles de plante (génétique)</term>
<term>Feuilles de plante (métabolisme)</term>
<term>Mutation (génétique)</term>
<term>Populus (génétique)</term>
<term>Populus (métabolisme)</term>
<term>Protéines végétales (génétique)</term>
<term>Protéines végétales (métabolisme)</term>
<term>Régulation de l'expression des gènes végétaux (génétique)</term>
<term>Régulation de l'expression des gènes végétaux (physiologie)</term>
<term>Végétaux génétiquement modifiés (génétique)</term>
<term>Végétaux génétiquement modifiés (métabolisme)</term>
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<term>Plant Proteins</term>
<term>Transcription Factors</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en">
<term>Anthocyanins</term>
<term>Plant Proteins</term>
<term>Transcription Factors</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en">
<term>Gene Expression Regulation, Plant</term>
<term>Mutation</term>
<term>Plant Leaves</term>
<term>Plants, Genetically Modified</term>
<term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr">
<term>Facteurs de transcription</term>
<term>Feuilles de plante</term>
<term>Mutation</term>
<term>Populus</term>
<term>Protéines végétales</term>
<term>Régulation de l'expression des gènes végétaux</term>
<term>Végétaux génétiquement modifiés</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en">
<term>Plant Leaves</term>
<term>Plants, Genetically Modified</term>
<term>Populus</term>
</keywords>
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<term>Facteurs de transcription</term>
<term>Feuilles de plante</term>
<term>Populus</term>
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<p>
<b>KEY MESSAGE</b>
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<p>A new anthocyanin biosynthesis transcription factor PdMYB118, which could be used for the genetic engineering of colorful tree species, was indentified from a red leaf mutant of Populus deltoids. In higher plants, the biosynthesis of anthocyanins is regulated by several classes of transcription factors (TFs), including R2R3-MYB, bHLH and WD-repeat proteins. In this work, we isolated an MYB gene regulating anthocyanin biosynthesis from a red leaf mutant of Populus deltoids, which accumulated more anthocyanins in the leaves and showed higher expression levels of anthocyanin biosynthesis genes than did the wild type. Gene expression analyses of all TFs regulating anthocyanin biosynthesis demonstrated that only a MYB118 homologous gene, PdMYB118, was up-regulated in the mutant compared with the wide type. Subcellular localization analyses in poplar leaf mesophyll protoplasts showed that PdMYB118-YFP fusion protein was specifically located in nucleus. When transiently expressed in poplar leaf protoplasts, PdMYB118 specifically promoted the expression of anthocyanidin biosynthesis genes. Dual-luciferase assays revealed that PdMYB118 can directly activate the promoters of these genes. When overexpressed in Shanxin Yang (P. davidiana × P. bolleana), a hybrid clone commercially grown for landscaping in the northern part of China, transgenic plants overexpressing PdMYB118 produced more anthocyanins in the leaves and turned their color into redness when grown in both greenhouse and field. Consistently, transcripts of some important anthocyanidin biosynthesis genes were significantly increased in the leaves of transgenic plants. All these results indicate that PdMYB118 functions as an essential transcription factor regulating anthocyanin biosynthesis in poplar and could be used for the genetic engineering of colorful tree species.</p>
</div>
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<PubDate>
<Year>2019</Year>
<Month>Aug</Month>
</PubDate>
</JournalIssue>
<Title>Plant cell reports</Title>
<ISOAbbreviation>Plant Cell Rep</ISOAbbreviation>
</Journal>
<ArticleTitle>PdMYB118, isolated from a red leaf mutant of Populus deltoids, is a new transcription factor regulating anthocyanin biosynthesis in poplar.</ArticleTitle>
<Pagination>
<MedlinePgn>927-936</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1007/s00299-019-02413-1</ELocationID>
<Abstract>
<AbstractText Label="KEY MESSAGE" NlmCategory="UNASSIGNED">A new anthocyanin biosynthesis transcription factor PdMYB118, which could be used for the genetic engineering of colorful tree species, was indentified from a red leaf mutant of Populus deltoids. In higher plants, the biosynthesis of anthocyanins is regulated by several classes of transcription factors (TFs), including R2R3-MYB, bHLH and WD-repeat proteins. In this work, we isolated an MYB gene regulating anthocyanin biosynthesis from a red leaf mutant of Populus deltoids, which accumulated more anthocyanins in the leaves and showed higher expression levels of anthocyanin biosynthesis genes than did the wild type. Gene expression analyses of all TFs regulating anthocyanin biosynthesis demonstrated that only a MYB118 homologous gene, PdMYB118, was up-regulated in the mutant compared with the wide type. Subcellular localization analyses in poplar leaf mesophyll protoplasts showed that PdMYB118-YFP fusion protein was specifically located in nucleus. When transiently expressed in poplar leaf protoplasts, PdMYB118 specifically promoted the expression of anthocyanidin biosynthesis genes. Dual-luciferase assays revealed that PdMYB118 can directly activate the promoters of these genes. When overexpressed in Shanxin Yang (P. davidiana × P. bolleana), a hybrid clone commercially grown for landscaping in the northern part of China, transgenic plants overexpressing PdMYB118 produced more anthocyanins in the leaves and turned their color into redness when grown in both greenhouse and field. Consistently, transcripts of some important anthocyanidin biosynthesis genes were significantly increased in the leaves of transgenic plants. All these results indicate that PdMYB118 functions as an essential transcription factor regulating anthocyanin biosynthesis in poplar and could be used for the genetic engineering of colorful tree species.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Wang</LastName>
<ForeName>Haihai</ForeName>
<Initials>H</Initials>
<AffiliationInfo>
<Affiliation>National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>College of Agriculture, Ludong University, 186 Hongqizhong Road, Yantai, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Wang</LastName>
<ForeName>Xiaoqing</ForeName>
<Initials>X</Initials>
<AffiliationInfo>
<Affiliation>Forestry and Pomology Research Institute, Shanghai Academy of Agriculture Sciences, 1000 Jinqi Road, Shanghai, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Song</LastName>
<ForeName>Weimeng</ForeName>
<Initials>W</Initials>
<AffiliationInfo>
<Affiliation>National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>College of Agriculture, Ludong University, 186 Hongqizhong Road, Yantai, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Bao</LastName>
<ForeName>Yan</ForeName>
<Initials>Y</Initials>
<AffiliationInfo>
<Affiliation>College of Agriculture, Ludong University, 186 Hongqizhong Road, Yantai, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Jin</LastName>
<ForeName>Yanli</ForeName>
<Initials>Y</Initials>
<AffiliationInfo>
<Affiliation>National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Jiang</LastName>
<ForeName>Chunmei</ForeName>
<Initials>C</Initials>
<AffiliationInfo>
<Affiliation>Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, College of Life Sciences, Hubei University, 368 Youyi Avenue, Wuhan, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Wang</LastName>
<ForeName>Cuiting</ForeName>
<Initials>C</Initials>
<AffiliationInfo>
<Affiliation>National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Li</LastName>
<ForeName>Bei</ForeName>
<Initials>B</Initials>
<AffiliationInfo>
<Affiliation>College of Agriculture, Ludong University, 186 Hongqizhong Road, Yantai, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Institute for Advanced Study of Coastal Ecology, and the Key Laboratory of Molecular Module-Based Breeding of High Yield and Abiotic Resistant Plants in the Universities of Shandong, Ludong University, 186 Hongqizhong Road, Yantai, 264025, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Zhang</LastName>
<ForeName>Hongxia</ForeName>
<Initials>H</Initials>
<AffiliationInfo>
<Affiliation>College of Agriculture, Ludong University, 186 Hongqizhong Road, Yantai, China. hxzhang@sibs.ac.cn.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Institute for Advanced Study of Coastal Ecology, and the Key Laboratory of Molecular Module-Based Breeding of High Yield and Abiotic Resistant Plants in the Universities of Shandong, Ludong University, 186 Hongqizhong Road, Yantai, 264025, China. hxzhang@sibs.ac.cn.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<GrantList CompleteYN="Y">
<Grant>
<GrantID>2018ZX08020002-003-004</GrantID>
<Agency>the National Key Program on Transgenic Research</Agency>
<Country></Country>
</Grant>
<Grant>
<GrantID>LYCX03-2018-18</GrantID>
<Agency>the Forestry Science and Technology Innovation Project of Shandong province of China</Agency>
<Country></Country>
</Grant>
<Grant>
<GrantID>2016YFD0600106</GrantID>
<Agency>the National Key R & D Program of China</Agency>
<Country></Country>
</Grant>
<Grant>
<GrantID>2016ZX08004-002-006</GrantID>
<Agency>the National Major Project of GMO New Species Cultivation</Agency>
<Country></Country>
</Grant>
<Grant>
<GrantID>SDAIT-02-05</GrantID>
<Agency>The Modern Agricultural Industry Technology System Innovation Team of Shandong Province of China</Agency>
<Country></Country>
</Grant>
<Grant>
<GrantID>DD20160025</GrantID>
<Agency>Comprehensive Surveys on Saline Lake Lithium and other New Energy Resources in the North Tibetan Plateau</Agency>
<Country></Country>
</Grant>
<Grant>
<GrantID>31870576</GrantID>
<Agency>National Natural Science Foundation of China (CN)</Agency>
<Country></Country>
</Grant>
<Grant>
<GrantID>31871625</GrantID>
<Agency>National Natural Science Foundation of China</Agency>
<Country></Country>
</Grant>
</GrantList>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2019</Year>
<Month>05</Month>
<Day>30</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>Germany</Country>
<MedlineTA>Plant Cell Rep</MedlineTA>
<NlmUniqueID>9880970</NlmUniqueID>
<ISSNLinking>0721-7714</ISSNLinking>
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<ChemicalList>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D000872">Anthocyanins</NameOfSubstance>
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<DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName>
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<DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
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<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
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</MeshHeadingList>
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<Keyword MajorTopicYN="N">Anthocyanins</Keyword>
<Keyword MajorTopicYN="N">PdMYB118</Keyword>
<Keyword MajorTopicYN="N">Poplar</Keyword>
<Keyword MajorTopicYN="N">Red leaf</Keyword>
<Keyword MajorTopicYN="N">Transcription factor</Keyword>
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<affiliations>
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<li>République populaire de Chine</li>
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<li>Hubei</li>
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<li>Wuhan</li>
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<name sortKey="Jin, Yanli" sort="Jin, Yanli" uniqKey="Jin Y" first="Yanli" last="Jin">Yanli Jin</name>
<name sortKey="Li, Bei" sort="Li, Bei" uniqKey="Li B" first="Bei" last="Li">Bei Li</name>
<name sortKey="Li, Bei" sort="Li, Bei" uniqKey="Li B" first="Bei" last="Li">Bei Li</name>
<name sortKey="Song, Weimeng" sort="Song, Weimeng" uniqKey="Song W" first="Weimeng" last="Song">Weimeng Song</name>
<name sortKey="Song, Weimeng" sort="Song, Weimeng" uniqKey="Song W" first="Weimeng" last="Song">Weimeng Song</name>
<name sortKey="Wang, Cuiting" sort="Wang, Cuiting" uniqKey="Wang C" first="Cuiting" last="Wang">Cuiting Wang</name>
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<name sortKey="Zhang, Hongxia" sort="Zhang, Hongxia" uniqKey="Zhang H" first="Hongxia" last="Zhang">Hongxia Zhang</name>
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