Phosphorylation of LTF1, an MYB Transcription Factor in Populus, Acts as a Sensory Switch Regulating Lignin Biosynthesis in Wood Cells.
Identifieur interne : 000784 ( Main/Exploration ); précédent : 000783; suivant : 000785Phosphorylation of LTF1, an MYB Transcription Factor in Populus, Acts as a Sensory Switch Regulating Lignin Biosynthesis in Wood Cells.
Auteurs : Jinshan Gui [République populaire de Chine] ; Laifu Luo [République populaire de Chine] ; Yu Zhong [République populaire de Chine] ; Jiayan Sun [République populaire de Chine] ; Toshiaki Umezawa [Japon] ; Laigeng Li [République populaire de Chine]Source :
- Molecular plant [ 1752-9867 ] ; 2019.
Descripteurs français
- KwdFr :
- Bois (métabolisme), Facteurs de transcription (métabolisme), Lignine (biosynthèse), Mutation (MeSH), Phosphorylation (MeSH), Populus (cytologie), Populus (métabolisme), Protéines végétales (composition chimique), Protéines végétales (génétique), Protéines végétales (métabolisme), Xylème (cytologie).
- MESH :
- biosynthèse : Lignine.
- composition chimique : Protéines végétales.
- cytologie : Populus, Xylème.
- génétique : Protéines végétales.
- métabolisme : Bois, Facteurs de transcription, Populus, Protéines végétales.
- Mutation, Phosphorylation.
English descriptors
- KwdEn :
- MESH :
- chemical , biosynthesis : Lignin.
- chemical , chemistry : Plant Proteins.
- chemical , genetics : Plant Proteins.
- chemical , metabolism : Plant Proteins, Transcription Factors.
- cytology : Populus, Xylem.
- metabolism : Populus, Wood.
- Mutation, Phosphorylation.
Abstract
Lignin is specifically deposited in plant secondary cell walls, and initiation of lignin biosynthesis is regulated by a variety of developmental and environmental signals. However, the mechanisms governing the regulation of lignin biosynthesis remain to be elucidated. In this study, we identified a lignin biosynthesis-associated transcription factor (LTF) from Populus, LTF1, which binds the promoter of a key lignin biosynthetic gene encoding 4-coumarate-CoA ligase (4CL). We showed that LTF1 in its unphosphorylated state functions as a regulator restraining lignin biosynthesis. When LTF1 becomes phosphorylated by PdMPK6 in response to external stimuli such as wounding, it undergoes degradation through a proteasome pathway, resulting in activation of lignification. Expression of a phosphorylation-null mutant version of LTF1 led to stable protein accumulation and persistent attenuation of lignification in wood cells. Taken together, our study reveals a mechanism whereby LTF1 phosphorylation acts as a sensory switch to regulate lignin biosynthesis in response to environmental stimuli. The discovery of novel modulators and mechanisms modifying lignin biosynthesis has important implications for improving the utilization of cell-wall biomass.
DOI: 10.1016/j.molp.2019.05.008
PubMed: 31145998
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Electronic address: jsgui@sibs.ac.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032</wicri:regionArea><wicri:noRegion>Shanghai 200032</wicri:noRegion></affiliation></author><author><name sortKey="Luo, Laifu" sort="Luo, Laifu" uniqKey="Luo L" first="Laifu" last="Luo">Laifu Luo</name><affiliation wicri:level="1"><nlm:affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; School of Life Science, Lanzhou University, Lanzhou 730000, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; School of Life Science, Lanzhou University, Lanzhou 730000</wicri:regionArea><wicri:noRegion>Lanzhou 730000</wicri:noRegion></affiliation></author><author><name sortKey="Zhong, Yu" sort="Zhong, Yu" uniqKey="Zhong Y" first="Yu" last="Zhong">Yu Zhong</name><affiliation wicri:level="1"><nlm:affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; University of the Chinese Academy of Sciences, Beijing 100049, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; University of the Chinese Academy of Sciences, Beijing 100049</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Sun, Jiayan" sort="Sun, Jiayan" uniqKey="Sun J" first="Jiayan" last="Sun">Jiayan Sun</name><affiliation wicri:level="1"><nlm:affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032</wicri:regionArea><wicri:noRegion>Shanghai 200032</wicri:noRegion></affiliation></author><author><name sortKey="Umezawa, Toshiaki" sort="Umezawa, Toshiaki" uniqKey="Umezawa T" first="Toshiaki" last="Umezawa">Toshiaki Umezawa</name><affiliation wicri:level="4"><nlm:affiliation>Research Institute for Sustainable Humanosphere, Kyoto University, Uji, Kyoto 611-0011, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Research Institute for Sustainable Humanosphere, Kyoto University, Uji, Kyoto 611-0011</wicri:regionArea><orgName type="university">Université de Kyoto</orgName><placeName><settlement type="city">Kyoto</settlement><region type="prefecture">Région du Kansai</region></placeName></affiliation></author><author><name sortKey="Li, Laigeng" sort="Li, Laigeng" uniqKey="Li L" first="Laigeng" last="Li">Laigeng Li</name><affiliation wicri:level="1"><nlm:affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China. Electronic address: lgli@sibs.ac.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032</wicri:regionArea><wicri:noRegion>Shanghai 200032</wicri:noRegion></affiliation></author></analytic><series><title level="j">Molecular plant</title><idno type="eISSN">1752-9867</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Lignin (biosynthesis)</term><term>Mutation (MeSH)</term><term>Phosphorylation (MeSH)</term><term>Plant Proteins (chemistry)</term><term>Plant Proteins (genetics)</term><term>Plant Proteins (metabolism)</term><term>Populus (cytology)</term><term>Populus (metabolism)</term><term>Transcription Factors (metabolism)</term><term>Wood (metabolism)</term><term>Xylem (cytology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Bois (métabolisme)</term><term>Facteurs de transcription (métabolisme)</term><term>Lignine (biosynthèse)</term><term>Mutation (MeSH)</term><term>Phosphorylation (MeSH)</term><term>Populus (cytologie)</term><term>Populus (métabolisme)</term><term>Protéines végétales (composition chimique)</term><term>Protéines végétales (génétique)</term><term>Protéines végétales (métabolisme)</term><term>Xylème (cytologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="biosynthesis" xml:lang="en"><term>Lignin</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Plant Proteins</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>Plant Proteins</term><term>Transcription Factors</term></keywords><keywords scheme="MESH" qualifier="biosynthèse" xml:lang="fr"><term>Lignine</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Protéines végétales</term></keywords><keywords scheme="MESH" qualifier="cytologie" xml:lang="fr"><term>Populus</term><term>Xylème</term></keywords><keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Populus</term><term>Xylem</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Protéines végétales</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Populus</term><term>Wood</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Bois</term><term>Facteurs de transcription</term><term>Populus</term><term>Protéines végétales</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Mutation</term><term>Phosphorylation</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Mutation</term><term>Phosphorylation</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Lignin is specifically deposited in plant secondary cell walls, and initiation of lignin biosynthesis is regulated by a variety of developmental and environmental signals. However, the mechanisms governing the regulation of lignin biosynthesis remain to be elucidated. In this study, we identified a lignin biosynthesis-associated transcription factor (LTF) from Populus, LTF1, which binds the promoter of a key lignin biosynthetic gene encoding 4-coumarate-CoA ligase (4CL). We showed that LTF1 in its unphosphorylated state functions as a regulator restraining lignin biosynthesis. When LTF1 becomes phosphorylated by PdMPK6 in response to external stimuli such as wounding, it undergoes degradation through a proteasome pathway, resulting in activation of lignification. Expression of a phosphorylation-null mutant version of LTF1 led to stable protein accumulation and persistent attenuation of lignification in wood cells. Taken together, our study reveals a mechanism whereby LTF1 phosphorylation acts as a sensory switch to regulate lignin biosynthesis in response to environmental stimuli. The discovery of novel modulators and mechanisms modifying lignin biosynthesis has important implications for improving the utilization of cell-wall biomass.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">31145998</PMID><DateCompleted><Year>2020</Year><Month>05</Month><Day>11</Day></DateCompleted><DateRevised><Year>2020</Year><Month>05</Month><Day>11</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1752-9867</ISSN><JournalIssue CitedMedium="Internet"><Volume>12</Volume><Issue>10</Issue><PubDate><Year>2019</Year><Month>10</Month><Day>07</Day></PubDate></JournalIssue><Title>Molecular plant</Title><ISOAbbreviation>Mol Plant</ISOAbbreviation></Journal><ArticleTitle>Phosphorylation of LTF1, an MYB Transcription Factor in Populus, Acts as a Sensory Switch Regulating Lignin Biosynthesis in Wood Cells.</ArticleTitle><Pagination><MedlinePgn>1325-1337</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S1674-2052(19)30173-X</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.molp.2019.05.008</ELocationID><Abstract><AbstractText>Lignin is specifically deposited in plant secondary cell walls, and initiation of lignin biosynthesis is regulated by a variety of developmental and environmental signals. However, the mechanisms governing the regulation of lignin biosynthesis remain to be elucidated. In this study, we identified a lignin biosynthesis-associated transcription factor (LTF) from Populus, LTF1, which binds the promoter of a key lignin biosynthetic gene encoding 4-coumarate-CoA ligase (4CL). We showed that LTF1 in its unphosphorylated state functions as a regulator restraining lignin biosynthesis. When LTF1 becomes phosphorylated by PdMPK6 in response to external stimuli such as wounding, it undergoes degradation through a proteasome pathway, resulting in activation of lignification. Expression of a phosphorylation-null mutant version of LTF1 led to stable protein accumulation and persistent attenuation of lignification in wood cells. Taken together, our study reveals a mechanism whereby LTF1 phosphorylation acts as a sensory switch to regulate lignin biosynthesis in response to environmental stimuli. The discovery of novel modulators and mechanisms modifying lignin biosynthesis has important implications for improving the utilization of cell-wall biomass.</AbstractText><CopyrightInformation>Copyright © 2019 The Author. Published by Elsevier Inc. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gui</LastName><ForeName>Jinshan</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China. Electronic address: jsgui@sibs.ac.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Luo</LastName><ForeName>Laifu</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; School of Life Science, Lanzhou University, Lanzhou 730000, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhong</LastName><ForeName>Yu</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; University of the Chinese Academy of Sciences, Beijing 100049, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sun</LastName><ForeName>Jiayan</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Umezawa</LastName><ForeName>Toshiaki</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Research Institute for Sustainable Humanosphere, Kyoto University, Uji, Kyoto 611-0011, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Laigeng</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China. Electronic address: lgli@sibs.ac.cn.</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>2019</Year><Month>05</Month><Day>27</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Mol Plant</MedlineTA><NlmUniqueID>101465514</NlmUniqueID><ISSNLinking>1674-2052</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D014157">Transcription Factors</NameOfSubstance></Chemical><Chemical><RegistryNumber>9005-53-2</RegistryNumber><NameOfSubstance UI="D008031">Lignin</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D008031" MajorTopicYN="N">Lignin</DescriptorName><QualifierName UI="Q000096" MajorTopicYN="Y">biosynthesis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009154" MajorTopicYN="N">Mutation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010766" MajorTopicYN="N">Phosphorylation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><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="Q000166" MajorTopicYN="N">cytology</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014157" MajorTopicYN="N">Transcription Factors</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D052584" MajorTopicYN="N">Xylem</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Populus</Keyword><Keyword MajorTopicYN="Y">cell wall</Keyword><Keyword MajorTopicYN="Y">lignin</Keyword><Keyword MajorTopicYN="Y">secondary xylem</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>03</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>05</Month><Day>01</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>05</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>5</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>5</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>5</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31145998</ArticleId><ArticleId IdType="pii">S1674-2052(19)30173-X</ArticleId><ArticleId IdType="doi">10.1016/j.molp.2019.05.008</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Japon</li><li>République populaire de Chine</li></country><region><li>Région du Kansai</li></region><settlement><li>Kyoto</li><li>Pékin</li></settlement><orgName><li>Université de Kyoto</li></orgName></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Gui, Jinshan" sort="Gui, Jinshan" uniqKey="Gui J" first="Jinshan" last="Gui">Jinshan Gui</name></noRegion><name sortKey="Li, Laigeng" sort="Li, Laigeng" uniqKey="Li L" first="Laigeng" last="Li">Laigeng Li</name><name sortKey="Luo, Laifu" sort="Luo, Laifu" uniqKey="Luo L" first="Laifu" last="Luo">Laifu Luo</name><name sortKey="Sun, Jiayan" sort="Sun, Jiayan" uniqKey="Sun J" first="Jiayan" last="Sun">Jiayan Sun</name><name sortKey="Zhong, Yu" sort="Zhong, Yu" uniqKey="Zhong Y" first="Yu" last="Zhong">Yu Zhong</name></country><country name="Japon"><region name="Région du Kansai"><name sortKey="Umezawa, Toshiaki" sort="Umezawa, Toshiaki" uniqKey="Umezawa T" first="Toshiaki" last="Umezawa">Toshiaki Umezawa</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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