Over-expression of PttEXPA8 gene showed various resistances to diverse stresses.
Identifieur interne : 000808 ( Main/Exploration ); précédent : 000807; suivant : 000809Over-expression of PttEXPA8 gene showed various resistances to diverse stresses.
Auteurs : Hao Zhang [République populaire de Chine] ; Huabo Liu [République populaire de Chine] ; Ruixia Yang [République populaire de Chine] ; Xiao Xu [République populaire de Chine] ; Xiao Liu [République populaire de Chine] ; Jichen Xu [République populaire de Chine]Source :
- International journal of biological macromolecules [ 1879-0003 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Plant, Tabac.
- génétique : Populus, Protéines végétales, Tabac.
- physiologie : Tabac.
- Stress physiologique, Végétaux génétiquement modifiés.
English descriptors
- KwdEn :
- MESH :
- chemical , genetics : Plant Proteins.
- genetics : Populus, Tobacco.
- growth & development : Seedlings, Tobacco.
- physiology : Tobacco.
- Plants, Genetically Modified, Stress, Physiological.
Abstract
Expansins play a pivotal role in plant adaptation to environmental stress via cell wall loosening. To evaluate the roles of expansin in response to different environmental stress conditions, the expansin gene PttEXPA8 from Populus tomentosa was transformed into tobacco. Analysis of physiological indices demonstrated the transgenic plants with improved resistance to heat, drought, salt, cold, and cadmium stress but to different extents. In mature plants, PttEXPA8 exerted the greatest effect on heat stress, with a response index value of 137.46%, followed by drought, cadmium, cold, and salt stress with response index values of 101.04%, 70.61%, 69.95%, and 54.68%, respectively. Over-expression of PttEXPA8 resulted in differential responses in physiological indices to the stresses. Soluble sugar content showed the highest response to the stresses, with an average response index value of 29.29%, whereas the absolute response index value for malondialdehyde content, relative electrolyte leakage, chlorophyll content, and superoxide dismutase activity ranged from 11.01% to 19.21%. The present results provide insight into the roles of expansin in stress resistance in Populus.
DOI: 10.1016/j.ijbiomac.2019.02.115
PubMed: 30797010
Affiliations:
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Electronic address: xujichen@bjfu.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>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">International journal of biological macromolecules</title><idno type="eISSN">1879-0003</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Plant Proteins (genetics)</term><term>Plants, Genetically Modified (MeSH)</term><term>Populus (genetics)</term><term>Seedlings (growth & development)</term><term>Stress, Physiological (MeSH)</term><term>Tobacco (genetics)</term><term>Tobacco (growth & development)</term><term>Tobacco (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Plant (croissance et développement)</term><term>Populus (génétique)</term><term>Protéines végétales (génétique)</term><term>Stress physiologique (MeSH)</term><term>Tabac (croissance et développement)</term><term>Tabac (génétique)</term><term>Tabac (physiologie)</term><term>Végétaux génétiquement modifiés (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Plant Proteins</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Plant</term><term>Tabac</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term><term>Tobacco</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Seedlings</term><term>Tobacco</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term><term>Protéines végétales</term><term>Tabac</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Tabac</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Tobacco</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Plants, Genetically Modified</term><term>Stress, Physiological</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Stress physiologique</term><term>Végétaux génétiquement modifiés</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Expansins play a pivotal role in plant adaptation to environmental stress via cell wall loosening. To evaluate the roles of expansin in response to different environmental stress conditions, the expansin gene PttEXPA8 from Populus tomentosa was transformed into tobacco. Analysis of physiological indices demonstrated the transgenic plants with improved resistance to heat, drought, salt, cold, and cadmium stress but to different extents. In mature plants, PttEXPA8 exerted the greatest effect on heat stress, with a response index value of 137.46%, followed by drought, cadmium, cold, and salt stress with response index values of 101.04%, 70.61%, 69.95%, and 54.68%, respectively. Over-expression of PttEXPA8 resulted in differential responses in physiological indices to the stresses. Soluble sugar content showed the highest response to the stresses, with an average response index value of 29.29%, whereas the absolute response index value for malondialdehyde content, relative electrolyte leakage, chlorophyll content, and superoxide dismutase activity ranged from 11.01% to 19.21%. The present results provide insight into the roles of expansin in stress resistance in Populus.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30797010</PMID><DateCompleted><Year>2019</Year><Month>08</Month><Day>09</Day></DateCompleted><DateRevised><Year>2019</Year><Month>08</Month><Day>09</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-0003</ISSN><JournalIssue CitedMedium="Internet"><Volume>130</Volume><PubDate><Year>2019</Year><Month>Jun</Month><Day>01</Day></PubDate></JournalIssue><Title>International journal of biological macromolecules</Title><ISOAbbreviation>Int J Biol Macromol</ISOAbbreviation></Journal><ArticleTitle>Over-expression of PttEXPA8 gene showed various resistances to diverse stresses.</ArticleTitle><Pagination><MedlinePgn>50-57</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0141-8130(18)34173-4</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.ijbiomac.2019.02.115</ELocationID><Abstract><AbstractText>Expansins play a pivotal role in plant adaptation to environmental stress via cell wall loosening. To evaluate the roles of expansin in response to different environmental stress conditions, the expansin gene PttEXPA8 from Populus tomentosa was transformed into tobacco. Analysis of physiological indices demonstrated the transgenic plants with improved resistance to heat, drought, salt, cold, and cadmium stress but to different extents. In mature plants, PttEXPA8 exerted the greatest effect on heat stress, with a response index value of 137.46%, followed by drought, cadmium, cold, and salt stress with response index values of 101.04%, 70.61%, 69.95%, and 54.68%, respectively. Over-expression of PttEXPA8 resulted in differential responses in physiological indices to the stresses. Soluble sugar content showed the highest response to the stresses, with an average response index value of 29.29%, whereas the absolute response index value for malondialdehyde content, relative electrolyte leakage, chlorophyll content, and superoxide dismutase activity ranged from 11.01% to 19.21%. The present results provide insight into the roles of expansin in stress resistance in Populus.</AbstractText><CopyrightInformation>Copyright © 2019 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Hao</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Huabo</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yang</LastName><ForeName>Ruixia</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xu</LastName><ForeName>Xiao</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Xiao</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xu</LastName><ForeName>Jichen</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China. Electronic address: xujichen@bjfu.edu.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>02</Month><Day>20</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Int J Biol Macromol</MedlineTA><NlmUniqueID>7909578</NlmUniqueID><ISSNLinking>0141-8130</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical></ChemicalList><MeshHeadingList><MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D030821" MajorTopicYN="N">Plants, Genetically Modified</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D036226" MajorTopicYN="N">Seedlings</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013312" MajorTopicYN="Y">Stress, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014026" MajorTopicYN="N">Tobacco</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Abiotic stress</Keyword><Keyword MajorTopicYN="N">Expansin</Keyword><Keyword MajorTopicYN="N">Physiological index</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>08</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>02</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>02</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>2</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>8</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>2</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30797010</ArticleId><ArticleId IdType="pii">S0141-8130(18)34173-4</ArticleId><ArticleId IdType="doi">10.1016/j.ijbiomac.2019.02.115</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="Zhang, Hao" sort="Zhang, Hao" uniqKey="Zhang H" first="Hao" last="Zhang">Hao Zhang</name></noRegion><name sortKey="Liu, Huabo" sort="Liu, Huabo" uniqKey="Liu H" first="Huabo" last="Liu">Huabo Liu</name><name sortKey="Liu, Xiao" sort="Liu, Xiao" uniqKey="Liu X" first="Xiao" last="Liu">Xiao Liu</name><name sortKey="Xu, Jichen" sort="Xu, Jichen" uniqKey="Xu J" first="Jichen" last="Xu">Jichen Xu</name><name sortKey="Xu, Xiao" sort="Xu, Xiao" uniqKey="Xu X" first="Xiao" last="Xu">Xiao Xu</name><name sortKey="Yang, Ruixia" sort="Yang, Ruixia" uniqKey="Yang R" first="Ruixia" last="Yang">Ruixia Yang</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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