A novel bHLH transcription factor PebHLH35 from Populus euphratica confers drought tolerance through regulating stomatal development, photosynthesis and growth in Arabidopsis.
Identifieur interne : 002393 ( Main/Exploration ); précédent : 002392; suivant : 002394A novel bHLH transcription factor PebHLH35 from Populus euphratica confers drought tolerance through regulating stomatal development, photosynthesis and growth in Arabidopsis.
Auteurs : Yan Dong [République populaire de Chine] ; Congpeng Wang [République populaire de Chine] ; Xiao Han [République populaire de Chine] ; Sha Tang [République populaire de Chine] ; Sha Liu [République populaire de Chine] ; Xinli Xia [République populaire de Chine] ; Weilun Yin [République populaire de Chine]Source :
- Biochemical and biophysical research communications [ 1090-2104 ] ; 2014.
Descripteurs français
- KwdFr :
- Amélioration génétique (méthodes), Arabidopsis (physiologie), Facteurs de transcription (génétique), Facteurs de transcription à motif basique hélice-boucle-hélice (classification), Facteurs de transcription à motif basique hélice-boucle-hélice (physiologie), Photosynthèse (physiologie), Populus (génétique), Populus (métabolisme), Réaction de choc thermique (physiologie), Stomates de plante (croissance et développement), Stomates de plante (génétique), Sécheresses (MeSH), Végétaux génétiquement modifiés (physiologie).
- MESH :
- classification : Facteurs de transcription à motif basique hélice-boucle-hélice.
- croissance et développement : Stomates de plante.
- génétique : Facteurs de transcription, Populus, Stomates de plante.
- métabolisme : Populus.
- méthodes : Amélioration génétique.
- physiologie : Arabidopsis, Facteurs de transcription à motif basique hélice-boucle-hélice, Photosynthèse, Réaction de choc thermique, Végétaux génétiquement modifiés.
- Sécheresses.
English descriptors
- KwdEn :
- Arabidopsis (physiology), Basic Helix-Loop-Helix Transcription Factors (classification), Basic Helix-Loop-Helix Transcription Factors (physiology), Droughts (MeSH), Genetic Enhancement (methods), Heat-Shock Response (physiology), Photosynthesis (physiology), Plant Stomata (genetics), Plant Stomata (growth & development), Plants, Genetically Modified (physiology), Populus (genetics), Populus (metabolism), Transcription Factors (genetics).
- MESH :
- chemical , classification : Basic Helix-Loop-Helix Transcription Factors.
- genetics : Plant Stomata, Populus, Transcription Factors.
- growth & development : Plant Stomata.
- metabolism : Populus.
- methods : Genetic Enhancement.
- physiology : Arabidopsis, Basic Helix-Loop-Helix Transcription Factors, Heat-Shock Response, Photosynthesis, Plants, Genetically Modified.
- Droughts.
Abstract
Plant basic helix-loop-helix (bHLH) transcription factors (TFs) are involved in a variety of physiological processes including the regulation of plant responses to various abiotic stresses. However, few drought-responsive bHLH family members in Populus have been reported. In this study, a novel bHLH gene (PebHLH35) was cloned from Populus euphratica. Expression analysis in P. euphratica revealed that PebHLH35 was induced by drought and abscisic acid. Subcellular localization studies using a PebHLH35-GFP fusion showed that the protein was localized to the nucleus. Ectopic overexpression of PebHLH35 in Arabidopsis resulted in a longer primary root, more leaves, and a greater leaf area under well-watered conditions compared with vector control plants. Notably, PebHLH35 overexpression lines showed enhanced tolerance to water-deficit stress. This finding was supported by anatomical and physiological analyses, which revealed a reduced stomatal density, stomatal aperture, transpiration rate, and water loss, and a higher chlorophyll content and photosynthetic rate. Our results suggest that PebHLH35 functions as a positive regulator of drought stress responses by regulating stomatal density, stomatal aperture, photosynthesis and growth.
DOI: 10.1016/j.bbrc.2014.05.139
PubMed: 24909687
Affiliations:
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Le document en format XML
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Electronic address: yinwl@bjfu.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Biological Sciences and Technology, National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author></analytic><series><title level="j">Biochemical and biophysical research communications</title><idno type="eISSN">1090-2104</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Arabidopsis (physiology)</term><term>Basic Helix-Loop-Helix Transcription Factors (classification)</term><term>Basic Helix-Loop-Helix Transcription Factors (physiology)</term><term>Droughts (MeSH)</term><term>Genetic Enhancement (methods)</term><term>Heat-Shock Response (physiology)</term><term>Photosynthesis (physiology)</term><term>Plant Stomata (genetics)</term><term>Plant Stomata (growth & development)</term><term>Plants, Genetically Modified (physiology)</term><term>Populus (genetics)</term><term>Populus (metabolism)</term><term>Transcription Factors (genetics)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Amélioration génétique (méthodes)</term><term>Arabidopsis (physiologie)</term><term>Facteurs de transcription (génétique)</term><term>Facteurs de transcription à motif basique hélice-boucle-hélice (classification)</term><term>Facteurs de transcription à motif basique hélice-boucle-hélice (physiologie)</term><term>Photosynthèse (physiologie)</term><term>Populus (génétique)</term><term>Populus (métabolisme)</term><term>Réaction de choc thermique (physiologie)</term><term>Stomates de plante (croissance et développement)</term><term>Stomates de plante (génétique)</term><term>Sécheresses (MeSH)</term><term>Végétaux génétiquement modifiés (physiologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="classification" xml:lang="en"><term>Basic Helix-Loop-Helix Transcription Factors</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="fr"><term>Facteurs de transcription à motif basique hélice-boucle-hélice</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Stomates de plante</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Plant Stomata</term><term>Populus</term><term>Transcription Factors</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Stomata</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Facteurs de transcription</term><term>Populus</term><term>Stomates de plante</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Genetic Enhancement</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Amélioration génétique</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Arabidopsis</term><term>Facteurs de transcription à motif basique hélice-boucle-hélice</term><term>Photosynthèse</term><term>Réaction de choc thermique</term><term>Végétaux génétiquement modifiés</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Arabidopsis</term><term>Basic Helix-Loop-Helix Transcription Factors</term><term>Heat-Shock Response</term><term>Photosynthesis</term><term>Plants, Genetically Modified</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Droughts</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Sécheresses</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Plant basic helix-loop-helix (bHLH) transcription factors (TFs) are involved in a variety of physiological processes including the regulation of plant responses to various abiotic stresses. However, few drought-responsive bHLH family members in Populus have been reported. In this study, a novel bHLH gene (PebHLH35) was cloned from Populus euphratica. Expression analysis in P. euphratica revealed that PebHLH35 was induced by drought and abscisic acid. Subcellular localization studies using a PebHLH35-GFP fusion showed that the protein was localized to the nucleus. Ectopic overexpression of PebHLH35 in Arabidopsis resulted in a longer primary root, more leaves, and a greater leaf area under well-watered conditions compared with vector control plants. Notably, PebHLH35 overexpression lines showed enhanced tolerance to water-deficit stress. This finding was supported by anatomical and physiological analyses, which revealed a reduced stomatal density, stomatal aperture, transpiration rate, and water loss, and a higher chlorophyll content and photosynthetic rate. Our results suggest that PebHLH35 functions as a positive regulator of drought stress responses by regulating stomatal density, stomatal aperture, photosynthesis and growth. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24909687</PMID><DateCompleted><Year>2014</Year><Month>09</Month><Day>21</Day></DateCompleted><DateRevised><Year>2014</Year><Month>07</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1090-2104</ISSN><JournalIssue CitedMedium="Internet"><Volume>450</Volume><Issue>1</Issue><PubDate><Year>2014</Year><Month>Jul</Month><Day>18</Day></PubDate></JournalIssue><Title>Biochemical and biophysical research communications</Title><ISOAbbreviation>Biochem Biophys Res Commun</ISOAbbreviation></Journal><ArticleTitle>A novel bHLH transcription factor PebHLH35 from Populus euphratica confers drought tolerance through regulating stomatal development, photosynthesis and growth in Arabidopsis.</ArticleTitle><Pagination><MedlinePgn>453-8</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.bbrc.2014.05.139</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S0006-291X(14)01044-4</ELocationID><Abstract><AbstractText>Plant basic helix-loop-helix (bHLH) transcription factors (TFs) are involved in a variety of physiological processes including the regulation of plant responses to various abiotic stresses. However, few drought-responsive bHLH family members in Populus have been reported. In this study, a novel bHLH gene (PebHLH35) was cloned from Populus euphratica. Expression analysis in P. euphratica revealed that PebHLH35 was induced by drought and abscisic acid. Subcellular localization studies using a PebHLH35-GFP fusion showed that the protein was localized to the nucleus. Ectopic overexpression of PebHLH35 in Arabidopsis resulted in a longer primary root, more leaves, and a greater leaf area under well-watered conditions compared with vector control plants. Notably, PebHLH35 overexpression lines showed enhanced tolerance to water-deficit stress. This finding was supported by anatomical and physiological analyses, which revealed a reduced stomatal density, stomatal aperture, transpiration rate, and water loss, and a higher chlorophyll content and photosynthetic rate. Our results suggest that PebHLH35 functions as a positive regulator of drought stress responses by regulating stomatal density, stomatal aperture, photosynthesis and growth. </AbstractText><CopyrightInformation>Copyright © 2014 Elsevier Inc. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Dong</LastName><ForeName>Yan</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>College of Biological Sciences and Technology, National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China; Liaoning Forestry Vocational-Technical College, Shenyang 110101, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Congpeng</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>College of Biological Sciences and Technology, National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Han</LastName><ForeName>Xiao</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>College of Biological Sciences and Technology, National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Tang</LastName><ForeName>Sha</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>College of Biological Sciences and Technology, National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Sha</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>College of Biological Sciences and Technology, National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xia</LastName><ForeName>Xinli</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>College of Biological Sciences and Technology, National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China. Electronic address: xiaxl@bjfu.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yin</LastName><ForeName>Weilun</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>College of Biological Sciences and Technology, National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China. Electronic address: yinwl@bjfu.edu.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>2014</Year><Month>06</Month><Day>06</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Biochem Biophys Res Commun</MedlineTA><NlmUniqueID>0372516</NlmUniqueID><ISSNLinking>0006-291X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D051792">Basic Helix-Loop-Helix Transcription Factors</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D014157">Transcription Factors</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D017360" MajorTopicYN="N">Arabidopsis</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D051792" MajorTopicYN="N">Basic Helix-Loop-Helix Transcription Factors</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="N">classification</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055864" MajorTopicYN="Y">Droughts</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D024861" MajorTopicYN="N">Genetic Enhancement</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018869" MajorTopicYN="N">Heat-Shock Response</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054046" MajorTopicYN="N">Plant Stomata</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D030821" MajorTopicYN="N">Plants, Genetically Modified</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014157" MajorTopicYN="N">Transcription Factors</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Drought</Keyword><Keyword MajorTopicYN="N">Populus euphratica</Keyword><Keyword MajorTopicYN="N">Stomata</Keyword><Keyword MajorTopicYN="N">Transcription factor</Keyword><Keyword MajorTopicYN="N">bHLH</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>05</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>05</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>6</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>6</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>9</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24909687</ArticleId><ArticleId IdType="pii">S0006-291X(14)01044-4</ArticleId><ArticleId IdType="doi">10.1016/j.bbrc.2014.05.139</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country><settlement><li>Pékin</li></settlement></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Dong, Yan" sort="Dong, Yan" uniqKey="Dong Y" first="Yan" last="Dong">Yan Dong</name></noRegion><name sortKey="Han, Xiao" sort="Han, Xiao" uniqKey="Han X" first="Xiao" last="Han">Xiao Han</name><name sortKey="Liu, Sha" sort="Liu, Sha" uniqKey="Liu S" first="Sha" last="Liu">Sha Liu</name><name sortKey="Tang, Sha" sort="Tang, Sha" uniqKey="Tang S" first="Sha" last="Tang">Sha Tang</name><name sortKey="Wang, Congpeng" sort="Wang, Congpeng" uniqKey="Wang C" first="Congpeng" last="Wang">Congpeng Wang</name><name sortKey="Xia, Xinli" sort="Xia, Xinli" uniqKey="Xia X" first="Xinli" last="Xia">Xinli Xia</name><name sortKey="Yin, Weilun" sort="Yin, Weilun" uniqKey="Yin W" first="Weilun" last="Yin">Weilun Yin</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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