Populus endo-beta-mannanase PtrMAN6 plays a role in coordinating cell wall remodeling with suppression of secondary wall thickening through generation of oligosaccharide signals.
Identifieur interne : 002535 ( Main/Exploration ); précédent : 002534; suivant : 002536Populus endo-beta-mannanase PtrMAN6 plays a role in coordinating cell wall remodeling with suppression of secondary wall thickening through generation of oligosaccharide signals.
Auteurs : Yunjun Zhao [République populaire de Chine] ; Dongliang Song ; Jiayan Sun ; Laigeng LiSource :
- The Plant journal : for cell and molecular biology [ 1365-313X ] ; 2013.
Descripteurs français
- KwdFr :
- Différenciation cellulaire (MeSH), Glycosylation (MeSH), Gènes de plante (MeSH), Hydrolyse (MeSH), Membrane cellulaire (métabolisme), Multimérisation de protéines (MeSH), Oligosaccharides (biosynthèse), Paroi cellulaire (enzymologie), Populus (enzymologie), Transcription génétique (MeSH), Transport des protéines (MeSH), Végétaux génétiquement modifiés (génétique), Végétaux génétiquement modifiés (métabolisme), Xylème (métabolisme), beta-Mannosidase (génétique), beta-Mannosidase (métabolisme).
- MESH :
- biosynthèse : Oligosaccharides.
- enzymologie : Paroi cellulaire, Populus.
- génétique : Végétaux génétiquement modifiés, beta-Mannosidase.
- métabolisme : Membrane cellulaire, Végétaux génétiquement modifiés, Xylème, beta-Mannosidase.
- Différenciation cellulaire, Glycosylation, Gènes de plante, Hydrolyse, Multimérisation de protéines, Transcription génétique, Transport des protéines.
English descriptors
- KwdEn :
- Cell Differentiation (MeSH), Cell Membrane (metabolism), Cell Wall (enzymology), Genes, Plant (MeSH), Glycosylation (MeSH), Hydrolysis (MeSH), Oligosaccharides (biosynthesis), Plants, Genetically Modified (genetics), Plants, Genetically Modified (metabolism), Populus (enzymology), Protein Multimerization (MeSH), Protein Transport (MeSH), Transcription, Genetic (MeSH), Xylem (metabolism), beta-Mannosidase (genetics), beta-Mannosidase (metabolism).
- MESH :
- chemical , biosynthesis : Oligosaccharides.
- enzymology : Cell Wall, Populus.
- genetics : Plants, Genetically Modified, beta-Mannosidase.
- metabolism : Cell Membrane, Plants, Genetically Modified, Xylem, beta-Mannosidase.
- Cell Differentiation, Genes, Plant, Glycosylation, Hydrolysis, Protein Multimerization, Protein Transport, Transcription, Genetic.
Abstract
Endo-1,4-β-mannanase is known to able to hydrolyze mannan-type polysaccharides in cell wall remodeling, but its function in regulating wall thickening has been little studied. Here we show that a Populus endo-1,4-β-mannanase gene, named PtrMAN6, suppresses cell wall thickening during xylem differentiation. PtrMAN6 is expressed specifically in xylem tissue and its encoded protein localizes to developing vessel cells. Overexpression of PtrMAN6 enhanced wall loosening as well as suppressed secondary wall thickening, whilst knockdown of its expression promoted secondary wall thickening. Transcriptional analysis revealed that PtrMAN6 overexpression downregulated the transcriptional program of secondary cell wall thickening, whilst PtrMAN6 knockdown upregulated transcriptional activities toward secondary wall formation. Activity of PtrMAN6 hydrolysis resulted in the generation of oligosaccharide compounds from cell wall polysaccharides. Application of the oligosaccharides resulted in cellular and transcriptional changes that were similar to those found in PtrMAN6 overexpressed transgenic plants. Overall, our results demonstrated that PtrMAN6 plays a role in hydrolysis of mannan-type wall polysaccharides to produce oligosaccharides that may serve as signaling molecules to suppress cell wall thickening during wood xylem cell differentiation.
DOI: 10.1111/tpj.12137
PubMed: 23384057
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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200032</wicri:noRegion></affiliation></author><author><name sortKey="Song, Dongliang" sort="Song, Dongliang" uniqKey="Song D" first="Dongliang" last="Song">Dongliang Song</name></author><author><name sortKey="Sun, Jiayan" sort="Sun, Jiayan" uniqKey="Sun J" first="Jiayan" last="Sun">Jiayan Sun</name></author><author><name sortKey="Li, Laigeng" sort="Li, Laigeng" uniqKey="Li L" first="Laigeng" last="Li">Laigeng Li</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="RBID">pubmed:23384057</idno><idno type="pmid">23384057</idno><idno type="doi">10.1111/tpj.12137</idno><idno type="wicri:Area/Main/Corpus">002708</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002708</idno><idno type="wicri:Area/Main/Curation">002708</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002708</idno><idno 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Shanghai 200032</wicri:regionArea><wicri:noRegion>Shanghai 200032</wicri:noRegion></affiliation></author><author><name sortKey="Song, Dongliang" sort="Song, Dongliang" uniqKey="Song D" first="Dongliang" last="Song">Dongliang Song</name></author><author><name sortKey="Sun, Jiayan" sort="Sun, Jiayan" uniqKey="Sun J" first="Jiayan" last="Sun">Jiayan Sun</name></author><author><name sortKey="Li, Laigeng" sort="Li, Laigeng" uniqKey="Li L" first="Laigeng" last="Li">Laigeng Li</name></author></analytic><series><title level="j">The Plant journal : for cell and molecular biology</title><idno type="eISSN">1365-313X</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cell Differentiation (MeSH)</term><term>Cell Membrane (metabolism)</term><term>Cell Wall (enzymology)</term><term>Genes, Plant (MeSH)</term><term>Glycosylation (MeSH)</term><term>Hydrolysis (MeSH)</term><term>Oligosaccharides (biosynthesis)</term><term>Plants, Genetically Modified (genetics)</term><term>Plants, Genetically Modified (metabolism)</term><term>Populus (enzymology)</term><term>Protein Multimerization (MeSH)</term><term>Protein Transport (MeSH)</term><term>Transcription, Genetic (MeSH)</term><term>Xylem (metabolism)</term><term>beta-Mannosidase (genetics)</term><term>beta-Mannosidase (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Différenciation cellulaire (MeSH)</term><term>Glycosylation (MeSH)</term><term>Gènes de plante (MeSH)</term><term>Hydrolyse (MeSH)</term><term>Membrane cellulaire (métabolisme)</term><term>Multimérisation de protéines (MeSH)</term><term>Oligosaccharides (biosynthèse)</term><term>Paroi cellulaire (enzymologie)</term><term>Populus (enzymologie)</term><term>Transcription génétique (MeSH)</term><term>Transport des protéines (MeSH)</term><term>Végétaux génétiquement modifiés (génétique)</term><term>Végétaux génétiquement modifiés (métabolisme)</term><term>Xylème (métabolisme)</term><term>beta-Mannosidase (génétique)</term><term>beta-Mannosidase (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="biosynthesis" xml:lang="en"><term>Oligosaccharides</term></keywords><keywords scheme="MESH" qualifier="biosynthèse" xml:lang="fr"><term>Oligosaccharides</term></keywords><keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Paroi cellulaire</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Cell Wall</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Plants, Genetically Modified</term><term>beta-Mannosidase</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Végétaux génétiquement modifiés</term><term>beta-Mannosidase</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Cell Membrane</term><term>Plants, Genetically Modified</term><term>Xylem</term><term>beta-Mannosidase</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Membrane cellulaire</term><term>Végétaux génétiquement modifiés</term><term>Xylème</term><term>beta-Mannosidase</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Cell Differentiation</term><term>Genes, Plant</term><term>Glycosylation</term><term>Hydrolysis</term><term>Protein Multimerization</term><term>Protein Transport</term><term>Transcription, Genetic</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Différenciation cellulaire</term><term>Glycosylation</term><term>Gènes de plante</term><term>Hydrolyse</term><term>Multimérisation de protéines</term><term>Transcription génétique</term><term>Transport des protéines</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Endo-1,4-β-mannanase is known to able to hydrolyze mannan-type polysaccharides in cell wall remodeling, but its function in regulating wall thickening has been little studied. Here we show that a Populus endo-1,4-β-mannanase gene, named PtrMAN6, suppresses cell wall thickening during xylem differentiation. PtrMAN6 is expressed specifically in xylem tissue and its encoded protein localizes to developing vessel cells. Overexpression of PtrMAN6 enhanced wall loosening as well as suppressed secondary wall thickening, whilst knockdown of its expression promoted secondary wall thickening. Transcriptional analysis revealed that PtrMAN6 overexpression downregulated the transcriptional program of secondary cell wall thickening, whilst PtrMAN6 knockdown upregulated transcriptional activities toward secondary wall formation. Activity of PtrMAN6 hydrolysis resulted in the generation of oligosaccharide compounds from cell wall polysaccharides. Application of the oligosaccharides resulted in cellular and transcriptional changes that were similar to those found in PtrMAN6 overexpressed transgenic plants. Overall, our results demonstrated that PtrMAN6 plays a role in hydrolysis of mannan-type wall polysaccharides to produce oligosaccharides that may serve as signaling molecules to suppress cell wall thickening during wood xylem cell differentiation.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23384057</PMID><DateCompleted><Year>2013</Year><Month>11</Month><Day>25</Day></DateCompleted><DateRevised><Year>2013</Year><Month>04</Month><Day>29</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1365-313X</ISSN><JournalIssue CitedMedium="Internet"><Volume>74</Volume><Issue>3</Issue><PubDate><Year>2013</Year><Month>May</Month></PubDate></JournalIssue><Title>The Plant journal : for cell and molecular biology</Title><ISOAbbreviation>Plant J</ISOAbbreviation></Journal><ArticleTitle>Populus endo-beta-mannanase PtrMAN6 plays a role in coordinating cell wall remodeling with suppression of secondary wall thickening through generation of oligosaccharide signals.</ArticleTitle><Pagination><MedlinePgn>473-85</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/tpj.12137</ELocationID><Abstract><AbstractText>Endo-1,4-β-mannanase is known to able to hydrolyze mannan-type polysaccharides in cell wall remodeling, but its function in regulating wall thickening has been little studied. Here we show that a Populus endo-1,4-β-mannanase gene, named PtrMAN6, suppresses cell wall thickening during xylem differentiation. PtrMAN6 is expressed specifically in xylem tissue and its encoded protein localizes to developing vessel cells. Overexpression of PtrMAN6 enhanced wall loosening as well as suppressed secondary wall thickening, whilst knockdown of its expression promoted secondary wall thickening. Transcriptional analysis revealed that PtrMAN6 overexpression downregulated the transcriptional program of secondary cell wall thickening, whilst PtrMAN6 knockdown upregulated transcriptional activities toward secondary wall formation. Activity of PtrMAN6 hydrolysis resulted in the generation of oligosaccharide compounds from cell wall polysaccharides. Application of the oligosaccharides resulted in cellular and transcriptional changes that were similar to those found in PtrMAN6 overexpressed transgenic plants. Overall, our results demonstrated that PtrMAN6 plays a role in hydrolysis of mannan-type wall polysaccharides to produce oligosaccharides that may serve as signaling molecules to suppress cell wall thickening during wood xylem cell differentiation.</AbstractText><CopyrightInformation>© 2013 The Authors The Plant Journal © 2013 Blackwell Publishing Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zhao</LastName><ForeName>Yunjun</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics/Laboratory of Synthetic Biology, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Song</LastName><ForeName>Dongliang</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Sun</LastName><ForeName>Jiayan</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Laigeng</ForeName><Initials>L</Initials></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>2013</Year><Month>03</Month><Day>22</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="D009844">Oligosaccharides</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 3.2.1.25</RegistryNumber><NameOfSubstance 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PubStatus="medline"><Year>2013</Year><Month>12</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23384057</ArticleId><ArticleId IdType="doi">10.1111/tpj.12137</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Li, Laigeng" sort="Li, Laigeng" uniqKey="Li L" first="Laigeng" last="Li">Laigeng Li</name><name sortKey="Song, Dongliang" sort="Song, Dongliang" uniqKey="Song D" first="Dongliang" last="Song">Dongliang Song</name><name sortKey="Sun, Jiayan" sort="Sun, Jiayan" uniqKey="Sun J" first="Jiayan" last="Sun">Jiayan Sun</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Zhao, Yunjun" sort="Zhao, Yunjun" uniqKey="Zhao Y" first="Yunjun" last="Zhao">Yunjun Zhao</name></noRegion></country></tree></affiliations></record>Pour 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