An auxin-induced β-type endo-1,4-β-glucanase in poplar is involved in cell expansion and lateral root formation.
Identifieur interne : 001057 ( Main/Exploration ); précédent : 001056; suivant : 001058An auxin-induced β-type endo-1,4-β-glucanase in poplar is involved in cell expansion and lateral root formation.
Auteurs : Liangliang Yu [République populaire de Chine] ; Qiong Li [République populaire de Chine] ; Yingying Zhu [République populaire de Chine] ; Muhammad Saddique Afzal [République populaire de Chine] ; Laigeng Li [République populaire de Chine]Source :
- Planta [ 1432-2048 ] ; 2018.
Descripteurs français
- KwdFr :
- Acides indolacétiques (métabolisme), Arabidopsis (MeSH), Cellulase (génétique), Cellulase (métabolisme), Cellulase (physiologie), Graines (croissance et développement), Gènes de plante (génétique), Populus (croissance et développement), Populus (enzymologie), Populus (génétique), Racines de plante (croissance et développement), Racines de plante (cytologie), Racines de plante (enzymologie), Réaction de polymérisation en chaine en temps réel (MeSH), Régulation de l'expression des gènes végétaux (MeSH), Technique de Western (MeSH), Végétaux génétiquement modifiés (MeSH).
- MESH :
- croissance et développement : Graines, Populus, Racines de plante.
- cytologie : Racines de plante.
- enzymologie : Populus, Racines de plante.
- génétique : Cellulase, Gènes de plante, Populus.
- métabolisme : Acides indolacétiques, Cellulase.
- physiologie : Cellulase.
- Arabidopsis, Réaction de polymérisation en chaine en temps réel, Régulation de l'expression des gènes végétaux, Technique de Western, Végétaux génétiquement modifiés.
English descriptors
- KwdEn :
- Arabidopsis (MeSH), Blotting, Western (MeSH), Cellulase (genetics), Cellulase (metabolism), Cellulase (physiology), Gene Expression Regulation, Plant (MeSH), Genes, Plant (genetics), Indoleacetic Acids (metabolism), Plant Roots (cytology), Plant Roots (enzymology), Plant Roots (growth & development), Plants, Genetically Modified (MeSH), Populus (enzymology), Populus (genetics), Populus (growth & development), Real-Time Polymerase Chain Reaction (MeSH), Seeds (growth & development).
- MESH :
- chemical , genetics : Cellulase.
- chemical , metabolism : Cellulase, Indoleacetic Acids.
- chemical , physiology : Cellulase.
- cytology : Plant Roots.
- enzymology : Plant Roots, Populus.
- genetics : Genes, Plant, Populus.
- growth & development : Plant Roots, Populus, Seeds.
- Arabidopsis, Blotting, Western, Gene Expression Regulation, Plant, Plants, Genetically Modified, Real-Time Polymerase Chain Reaction.
Abstract
MAIN CONCLUSION
PtrGH9A7, a poplar β-type endo-1,4-β-glucanase gene induced by auxin, promotes both plant growth and lateral root development by enhancing cell expansion. Endo-1,4-β-glucanase (EGase) family genes function in multiple aspects of plant growth and development. Our previous study found that PtrCel9A6, a poplar EGase gene of the β subfamily, is specifically expressed in xylem tissue and is involved in the cellulose biosynthesis required for secondary cell wall formation (Yu et al. in Mol Plant 6:1904-1917, 2013). To further explore the functions and regulatory mechanism of β-subfamily EGases, we cloned and characterized another poplar β-type EGase gene PtrGH9A7, a close homolog of PtrCel9A6. In contrast to PtrCel9A6, PtrGH9A7 is predominantly expressed in parenchyma tissues of the above-ground part; in roots, PtrGH9A7 expression is specifically restricted to lateral root primordia at all stages from initiation to emergence and is strongly induced by auxin application. Heterologous overexpression of PtrGH9A7 promotes plant growth by enhancing cell expansion, suggesting a conserved role for β-type EGases in 1,4-β-glucan chains remodeling, which is required for cell wall loosening. Moreover, the overexpression of PtrGH9A7 significantly increases lateral root number, which might result from improved lateral root primordium development due to enhanced cell expansion. Taken together, these results demonstrate that this β-type EGase induced by auxin signaling has a novel role in promoting lateral root formation as well as in enhancing plant growth.
DOI: 10.1007/s00425-018-2851-8
PubMed: 29387930
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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sort="Li, Qiong" uniqKey="Li Q" first="Qiong" last="Li">Qiong Li</name><affiliation wicri:level="1"><nlm:affiliation>Shanghai Key Lab of Bio-energy Crops, School of Life Sciences, Shanghai University, Shanghai, 200444, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Shanghai Key Lab of Bio-energy Crops, School of Life Sciences, Shanghai University, Shanghai, 200444</wicri:regionArea><wicri:noRegion>200444</wicri:noRegion></affiliation></author><author><name sortKey="Zhu, Yingying" sort="Zhu, Yingying" uniqKey="Zhu Y" first="Yingying" last="Zhu">Yingying Zhu</name><affiliation wicri:level="1"><nlm:affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China.</nlm:affiliation><country xml:lang="fr">République populaire de 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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, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China. 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, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032</wicri:regionArea><wicri:noRegion>200032</wicri:noRegion></affiliation></author></analytic><series><title level="j">Planta</title><idno type="eISSN">1432-2048</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Arabidopsis (MeSH)</term><term>Blotting, Western (MeSH)</term><term>Cellulase (genetics)</term><term>Cellulase (metabolism)</term><term>Cellulase (physiology)</term><term>Gene Expression Regulation, Plant (MeSH)</term><term>Genes, Plant (genetics)</term><term>Indoleacetic Acids (metabolism)</term><term>Plant Roots (cytology)</term><term>Plant Roots (enzymology)</term><term>Plant Roots (growth & development)</term><term>Plants, Genetically Modified (MeSH)</term><term>Populus (enzymology)</term><term>Populus (genetics)</term><term>Populus (growth & development)</term><term>Real-Time Polymerase Chain Reaction (MeSH)</term><term>Seeds (growth & development)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acides indolacétiques (métabolisme)</term><term>Arabidopsis (MeSH)</term><term>Cellulase (génétique)</term><term>Cellulase (métabolisme)</term><term>Cellulase (physiologie)</term><term>Graines (croissance et développement)</term><term>Gènes de plante (génétique)</term><term>Populus (croissance et développement)</term><term>Populus (enzymologie)</term><term>Populus (génétique)</term><term>Racines de plante (croissance et développement)</term><term>Racines de plante (cytologie)</term><term>Racines de plante (enzymologie)</term><term>Réaction de polymérisation en chaine en temps réel (MeSH)</term><term>Régulation de l'expression des gènes végétaux (MeSH)</term><term>Technique de Western (MeSH)</term><term>Végétaux génétiquement modifiés (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Cellulase</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Cellulase</term><term>Indoleacetic Acids</term></keywords><keywords scheme="MESH" type="chemical" qualifier="physiology" xml:lang="en"><term>Cellulase</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Graines</term><term>Populus</term><term>Racines de plante</term></keywords><keywords scheme="MESH" qualifier="cytologie" xml:lang="fr"><term>Racines de plante</term></keywords><keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Populus</term><term>Racines de plante</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Plant Roots</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Genes, Plant</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Roots</term><term>Populus</term><term>Seeds</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Cellulase</term><term>Gènes de plante</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Acides indolacétiques</term><term>Cellulase</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Cellulase</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Arabidopsis</term><term>Blotting, Western</term><term>Gene Expression Regulation, Plant</term><term>Plants, Genetically Modified</term><term>Real-Time Polymerase Chain Reaction</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Arabidopsis</term><term>Réaction de polymérisation en chaine en temps réel</term><term>Régulation de l'expression des gènes végétaux</term><term>Technique de Western</term><term>Végétaux génétiquement modifiés</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>MAIN CONCLUSION</b></p><p>PtrGH9A7, a poplar β-type endo-1,4-β-glucanase gene induced by auxin, promotes both plant growth and lateral root development by enhancing cell expansion. Endo-1,4-β-glucanase (EGase) family genes function in multiple aspects of plant growth and development. Our previous study found that PtrCel9A6, a poplar EGase gene of the β subfamily, is specifically expressed in xylem tissue and is involved in the cellulose biosynthesis required for secondary cell wall formation (Yu et al. in Mol Plant 6:1904-1917, 2013). To further explore the functions and regulatory mechanism of β-subfamily EGases, we cloned and characterized another poplar β-type EGase gene PtrGH9A7, a close homolog of PtrCel9A6. In contrast to PtrCel9A6, PtrGH9A7 is predominantly expressed in parenchyma tissues of the above-ground part; in roots, PtrGH9A7 expression is specifically restricted to lateral root primordia at all stages from initiation to emergence and is strongly induced by auxin application. Heterologous overexpression of PtrGH9A7 promotes plant growth by enhancing cell expansion, suggesting a conserved role for β-type EGases in 1,4-β-glucan chains remodeling, which is required for cell wall loosening. Moreover, the overexpression of PtrGH9A7 significantly increases lateral root number, which might result from improved lateral root primordium development due to enhanced cell expansion. Taken together, these results demonstrate that this β-type EGase induced by auxin signaling has a novel role in promoting lateral root formation as well as in enhancing plant growth.</p></div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29387930</PMID><DateCompleted><Year>2018</Year><Month>08</Month><Day>21</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-2048</ISSN><JournalIssue CitedMedium="Internet"><Volume>247</Volume><Issue>5</Issue><PubDate><Year>2018</Year><Month>May</Month></PubDate></JournalIssue><Title>Planta</Title><ISOAbbreviation>Planta</ISOAbbreviation></Journal><ArticleTitle>An auxin-induced β-type endo-1,4-β-glucanase in poplar is involved in cell expansion and lateral root formation.</ArticleTitle><Pagination><MedlinePgn>1149-1161</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00425-018-2851-8</ELocationID><Abstract><AbstractText Label="MAIN CONCLUSION" NlmCategory="UNASSIGNED">PtrGH9A7, a poplar β-type endo-1,4-β-glucanase gene induced by auxin, promotes both plant growth and lateral root development by enhancing cell expansion. Endo-1,4-β-glucanase (EGase) family genes function in multiple aspects of plant growth and development. Our previous study found that PtrCel9A6, a poplar EGase gene of the β subfamily, is specifically expressed in xylem tissue and is involved in the cellulose biosynthesis required for secondary cell wall formation (Yu et al. in Mol Plant 6:1904-1917, 2013). To further explore the functions and regulatory mechanism of β-subfamily EGases, we cloned and characterized another poplar β-type EGase gene PtrGH9A7, a close homolog of PtrCel9A6. In contrast to PtrCel9A6, PtrGH9A7 is predominantly expressed in parenchyma tissues of the above-ground part; in roots, PtrGH9A7 expression is specifically restricted to lateral root primordia at all stages from initiation to emergence and is strongly induced by auxin application. Heterologous overexpression of PtrGH9A7 promotes plant growth by enhancing cell expansion, suggesting a conserved role for β-type EGases in 1,4-β-glucan chains remodeling, which is required for cell wall loosening. Moreover, the overexpression of PtrGH9A7 significantly increases lateral root number, which might result from improved lateral root primordium development due to enhanced cell expansion. Taken together, these results demonstrate that this β-type EGase induced by auxin signaling has a novel role in promoting lateral root formation as well as in enhancing plant growth.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yu</LastName><ForeName>Liangliang</ForeName><Initials>L</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-6202-2035</Identifier><AffiliationInfo><Affiliation>Shanghai Key Lab of Bio-energy Crops, School of Life Sciences, Shanghai University, Shanghai, 200444, China. yuliangliang@shu.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Qiong</ForeName><Initials>Q</Initials><AffiliationInfo><Affiliation>Shanghai Key Lab of Bio-energy Crops, School of Life Sciences, Shanghai University, Shanghai, 200444, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhu</LastName><ForeName>Yingying</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, 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>Afzal</LastName><ForeName>Muhammad Saddique</ForeName><Initials>MS</Initials><AffiliationInfo><Affiliation>Shanghai Key Lab of Bio-energy Crops, School of Life Sciences, Shanghai University, Shanghai, 200444, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Laigeng</ForeName><Initials>L</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-6924-4431</Identifier><AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics and CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China. lgli@sibs.ac.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>31500197</GrantID><Agency>National Natural Science Foundation of China</Agency><Country></Country></Grant><Grant><GrantID>31630014</GrantID><Agency>National Natural Science Foundation of China</Agency><Country></Country></Grant><Grant><GrantID>15YF1403800</GrantID><Agency>Shanghai Sailing Program</Agency><Country></Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>01</Month><Day>31</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Planta</MedlineTA><NlmUniqueID>1250576</NlmUniqueID><ISSNLinking>0032-0935</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007210">Indoleacetic Acids</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 3.2.1.4</RegistryNumber><NameOfSubstance UI="D002480">Cellulase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D017360" MajorTopicYN="N">Arabidopsis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015153" MajorTopicYN="N">Blotting, Western</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002480" MajorTopicYN="N">Cellulase</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017343" MajorTopicYN="N">Genes, Plant</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007210" MajorTopicYN="N">Indoleacetic Acids</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</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="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D060888" MajorTopicYN="N">Real-Time Polymerase Chain Reaction</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012639" MajorTopicYN="N">Seeds</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Auxin</Keyword><Keyword MajorTopicYN="N">Cell expansion</Keyword><Keyword MajorTopicYN="N">Endo-1,4-β-glucanase</Keyword><Keyword MajorTopicYN="N">Lateral root</Keyword><Keyword MajorTopicYN="N">Lateral root primordium</Keyword><Keyword MajorTopicYN="N">Poplar</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>11</Month><Day>07</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>01</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>2</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>8</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>2</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29387930</ArticleId><ArticleId IdType="doi">10.1007/s00425-018-2851-8</ArticleId><ArticleId IdType="pii">10.1007/s00425-018-2851-8</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Trends Plant Sci. 1999 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Afzal</name><name sortKey="Li, Laigeng" sort="Li, Laigeng" uniqKey="Li L" first="Laigeng" last="Li">Laigeng Li</name><name sortKey="Li, Qiong" sort="Li, Qiong" uniqKey="Li Q" first="Qiong" last="Li">Qiong Li</name><name sortKey="Zhu, Yingying" sort="Zhu, Yingying" uniqKey="Zhu Y" first="Yingying" last="Zhu">Yingying Zhu</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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