PoplarV1, Main, Exploration, bibRecord, 001C09

Overexpression of the PtSOS2 gene improves tolerance to salt stress in transgenic poplar plants.

Identifieur interne : 001C09 ( Main/Exploration ); précédent : 001C08; suivant : 001C10

Overexpression of the PtSOS2 gene improves tolerance to salt stress in transgenic poplar plants.

Source :

Plant biotechnology journal [ 1467-7652 ] ; 2015.

RBID : pubmed:25641517

Descripteurs français

KwdFr :
- Chlorure de sodium (pharmacologie), Populus (effets des médicaments et des substances chimiques), Populus (génétique), Populus (métabolisme), Protéines végétales (génétique), Protéines végétales (métabolisme), Régulation de l'expression des gènes végétaux (effets des médicaments et des substances chimiques), Tolérance au sel (génétique), Végétaux génétiquement modifiés (effets des médicaments et des substances chimiques), Végétaux génétiquement modifiés (génétique), Végétaux génétiquement modifiés (métabolisme).
MESH :
- effets des médicaments et des substances chimiques : Populus, Régulation de l'expression des gènes végétaux, Végétaux génétiquement modifiés.
- génétique : Populus, Protéines végétales, Tolérance au sel, Végétaux génétiquement modifiés.
- métabolisme : Populus, Protéines végétales, Végétaux génétiquement modifiés.
- pharmacologie : Chlorure de sodium.

English descriptors

KwdEn :
- Gene Expression Regulation, Plant (drug effects), Plant Proteins (genetics), Plant Proteins (metabolism), Plants, Genetically Modified (drug effects), Plants, Genetically Modified (genetics), Plants, Genetically Modified (metabolism), Populus (drug effects), Populus (genetics), Populus (metabolism), Salt Tolerance (genetics), Sodium Chloride (pharmacology).
MESH :
- chemical , genetics : Plant Proteins.
- drug effects : Gene Expression Regulation, Plant, Plants, Genetically Modified, Populus.
- genetics : Plants, Genetically Modified, Populus, Salt Tolerance.
- chemical , metabolism : Plant Proteins, Plants, Genetically Modified, Populus.
- chemical , pharmacology : Sodium Chloride.

Abstract

In higher plants, the salt overly sensitive (SOS) signalling pathway plays a crucial role in maintaining ion homoeostasis and conferring salt tolerance under salinity condition. Previously, we functionally characterized the conserved SOS pathway in the woody plant Populus trichocarpa. In this study, we demonstrate that overexpression of the constitutively active form of PtSOS2 (PtSOS2TD), one of the key components of this pathway, significantly increased salt tolerance in aspen hybrid clone Shanxin Yang (Populus davidiana × Populus bolleana). Compared to the wild-type control, transgenic plants constitutively expressing PtSOS2TD exhibited more vigorous growth and produced greater biomass in the presence of high concentrations of NaCl. The improved salt tolerance was associated with a decreased Na(+) accumulation in the leaves of transgenic plants. Further analyses revealed that plasma membrane Na(+) /H(+) exchange activity and Na(+) efflux in transgenic plants were significantly higher than those in the wild-type plants. Moreover, transgenic plants showed improved capacity in scavenging reactive oxygen species (ROS) generated by salt stress. Taken together, our results suggest that PtSOS2 could serve as an ideal target gene to genetically engineer salt-tolerant trees.

DOI: 10.1111/pbi.12335
PubMed: 25641517

Affiliations:

Links toward previous steps (curation, corpus...)

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Le document en format XML

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<front><div type="abstract" xml:lang="en">In higher plants, the salt overly sensitive (SOS) signalling pathway plays a crucial role in maintaining ion homoeostasis and conferring salt tolerance under salinity condition. Previously, we functionally characterized the conserved SOS pathway in the woody plant Populus trichocarpa. In this study, we demonstrate that overexpression of the constitutively active form of PtSOS2 (PtSOS2TD), one of the key components of this pathway, significantly increased salt tolerance in aspen hybrid clone Shanxin Yang (Populus davidiana × Populus bolleana). Compared to the wild-type control, transgenic plants constitutively expressing PtSOS2TD exhibited more vigorous growth and produced greater biomass in the presence of high concentrations of NaCl. The improved salt tolerance was associated with a decreased Na(+) accumulation in the leaves of transgenic plants. Further analyses revealed that plasma membrane Na(+) /H(+) exchange activity and Na(+) efflux in transgenic plants were significantly higher than those in the wild-type plants. Moreover, transgenic plants showed improved capacity in scavenging reactive oxygen species (ROS) generated by salt stress. Taken together, our results suggest that PtSOS2 could serve as an ideal target gene to genetically engineer salt-tolerant trees. </div>
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<Abstract><AbstractText>In higher plants, the salt overly sensitive (SOS) signalling pathway plays a crucial role in maintaining ion homoeostasis and conferring salt tolerance under salinity condition. Previously, we functionally characterized the conserved SOS pathway in the woody plant Populus trichocarpa. In this study, we demonstrate that overexpression of the constitutively active form of PtSOS2 (PtSOS2TD), one of the key components of this pathway, significantly increased salt tolerance in aspen hybrid clone Shanxin Yang (Populus davidiana × Populus bolleana). Compared to the wild-type control, transgenic plants constitutively expressing PtSOS2TD exhibited more vigorous growth and produced greater biomass in the presence of high concentrations of NaCl. The improved salt tolerance was associated with a decreased Na(+) accumulation in the leaves of transgenic plants. Further analyses revealed that plasma membrane Na(+) /H(+) exchange activity and Na(+) efflux in transgenic plants were significantly higher than those in the wild-type plants. Moreover, transgenic plants showed improved capacity in scavenging reactive oxygen species (ROS) generated by salt stress. Taken together, our results suggest that PtSOS2 could serve as an ideal target gene to genetically engineer salt-tolerant trees. </AbstractText>
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<Author ValidYN="Y"><LastName>Yang</LastName>
<ForeName>Lei</ForeName>
<Initials>L</Initials>
<AffiliationInfo><Affiliation>College of Life Sciences, Nanjing University, Nanjing, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Chen</LastName>
<ForeName>Shao-Liang</ForeName>
<Initials>SL</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Zhang</LastName>
<ForeName>Hong-Xia</ForeName>
<Initials>HX</Initials>
<AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China.</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>2015</Year>
<Month>01</Month>
<Day>30</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo><Country>England</Country>
<MedlineTA>Plant Biotechnol J</MedlineTA>
<NlmUniqueID>101201889</NlmUniqueID>
<ISSNLinking>1467-7644</ISSNLinking>
</MedlineJournalInfo>
<ChemicalList><Chemical><RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance>
</Chemical>
<Chemical><RegistryNumber>451W47IQ8X</RegistryNumber>
<NameOfSubstance UI="D012965">Sodium Chloride</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D030821" MajorTopicYN="N">Plants, Genetically Modified</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
<QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
<QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D055049" MajorTopicYN="N">Salt Tolerance</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D012965" MajorTopicYN="N">Sodium Chloride</DescriptorName>
<QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">PtSOS2</Keyword>
<Keyword MajorTopicYN="N">poplar</Keyword>
<Keyword MajorTopicYN="N">salt tolerance</Keyword>
<Keyword MajorTopicYN="N">transgenic plants</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year>
<Month>09</Month>
<Day>23</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="revised"><Year>2014</Year>
<Month>12</Month>
<Day>15</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted"><Year>2014</Year>
<Month>12</Month>
<Day>15</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez"><Year>2015</Year>
<Month>2</Month>
<Day>3</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="pubmed"><Year>2015</Year>
<Month>2</Month>
<Day>3</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline"><Year>2016</Year>
<Month>5</Month>
<Day>20</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList><ArticleId IdType="pubmed">25641517</ArticleId>
<ArticleId IdType="doi">10.1111/pbi.12335</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="Yang, Yang" sort="Yang, Yang" uniqKey="Yang Y" first="Yang" last="Yang">Yang Yang</name>
</noRegion>
<name sortKey="Chen, Shao Liang" sort="Chen, Shao Liang" uniqKey="Chen S" first="Shao-Liang" last="Chen">Shao-Liang Chen</name>
<name sortKey="Jiang, Chun Mei" sort="Jiang, Chun Mei" uniqKey="Jiang C" first="Chun-Mei" last="Jiang">Chun-Mei Jiang</name>
<name sortKey="Kang, Tao" sort="Kang, Tao" uniqKey="Kang T" first="Tao" last="Kang">Tao Kang</name>
<name sortKey="Li, Bei" sort="Li, Bei" uniqKey="Li B" first="Bei" last="Li">Bei Li</name>
<name sortKey="Liu, Hua" sort="Liu, Hua" uniqKey="Liu H" first="Hua" last="Liu">Hua Liu</name>
<name sortKey="Ma, Xu Jun" sort="Ma, Xu Jun" uniqKey="Ma X" first="Xu-Jun" last="Ma">Xu-Jun Ma</name>
<name sortKey="Tang, Ren Jie" sort="Tang, Ren Jie" uniqKey="Tang R" first="Ren-Jie" last="Tang">Ren-Jie Tang</name>
<name sortKey="Yang, Lei" sort="Yang, Lei" uniqKey="Yang L" first="Lei" last="Yang">Lei Yang</name>
<name sortKey="Zhang, Hong Xia" sort="Zhang, Hong Xia" uniqKey="Zhang H" first="Hong-Xia" last="Zhang">Hong-Xia Zhang</name>
<name sortKey="Zhao, Nan" sort="Zhao, Nan" uniqKey="Zhao N" first="Nan" last="Zhao">Nan Zhao</name>
</country>
</tree>
</affiliations>
</record>

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Overexpression of the PtSOS2 gene improves tolerance to salt stress in transgenic poplar plants.

Overexpression of the PtSOS2 gene improves tolerance to salt stress in transgenic poplar plants.

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