PoplarV1, Main, Exploration, bibRecord, 001C14

Overexpression of a Populus trichocarpa H+-pyrophosphatase gene PtVP1.1 confers salt tolerance on transgenic poplar.

Identifieur interne : 001C14 ( Main/Exploration ); précédent : 001C13; suivant : 001C15

Overexpression of a Populus trichocarpa H+-pyrophosphatase gene PtVP1.1 confers salt tolerance on transgenic poplar.

Auteurs : Y. Yang ; R J Tang [États-Unis] ; B. Li ; H H Wang ; Y L Jin ; C M Jiang ; Y. Bao ; H Y Su ; N. Zhao ; X J Ma ; L. Yang ; S L Chen ; X H Cheng [République populaire de Chine] ; H X Zhang [République populaire de Chine]

Source :

Tree physiology [ 1758-4469 ] ; 2015.

RBID : pubmed:25877769

Descripteurs français

English descriptors

KwdEn :
- Adaptation, Physiological (drug effects), Adaptation, Physiological (genetics), Amino Acid Sequence (MeSH), Arabidopsis (genetics), Gene Expression Profiling (MeSH), Gene Expression Regulation, Plant (drug effects), Genes, Plant (MeSH), Genetic Complementation Test (MeSH), Inorganic Pyrophosphatase (chemistry), Inorganic Pyrophosphatase (genetics), Inorganic Pyrophosphatase (metabolism), Ions (MeSH), Molecular Sequence Data (MeSH), Phylogeny (MeSH), Plant Proteins (chemistry), Plant Proteins (genetics), Plant Proteins (metabolism), Plant Roots (drug effects), Plant Roots (metabolism), Plants, Genetically Modified (MeSH), Populus (drug effects), Populus (enzymology), Populus (genetics), Populus (physiology), Potassium (metabolism), Salinity (MeSH), Salt Tolerance (drug effects), Salt Tolerance (genetics), Sequence Alignment (MeSH), Sequence Homology, Amino Acid (MeSH), Sodium (metabolism), Sodium Chloride (pharmacology).
MESH :
- chemical , chemistry : Inorganic Pyrophosphatase, Plant Proteins.
- drug effects : Adaptation, Physiological, Gene Expression Regulation, Plant, Plant Roots, Populus, Salt Tolerance.
- enzymology : Populus.
- genetics : Adaptation, Physiological, Arabidopsis, Inorganic Pyrophosphatase, Plant Proteins, Populus, Salt Tolerance.
- chemical , metabolism : Inorganic Pyrophosphatase, Plant Proteins, Plant Roots, Potassium, Sodium.
- chemical , pharmacology : Sodium Chloride.
- physiology : Populus.
- Amino Acid Sequence, Gene Expression Profiling, Genes, Plant, Genetic Complementation Test, Ions, Molecular Sequence Data, Phylogeny, Plants, Genetically Modified, Salinity, Sequence Alignment, Sequence Homology, Amino Acid.

Abstract

The Arabidopsis vacuolar H(+)-pyrophosphatase (AVP1) has been well studied and subsequently employed to improve salt and/or drought resistance in herbaceous plants. However, the exact function of H(+)-pyrophosphatase in woody plants still remains unknown. In this work, we cloned a homolog of type I H(+)-pyrophosphatase gene, designated as PtVP1.1, from Populus trichocarpa, and investigated its function in both Arabidopsis and poplar. The deduced translation product PtVP1.1 shares 89.74% identity with AVP1. Semi-quantitative reverse transcription polymerase chain reaction (RT-PCR) and quantitative real-time PCR analyses revealed a ubiquitous expression pattern of PtVP1.1 in various tissues, including roots, stems, leaves and shoot tips. Heterologous expression of PtVP1.1 rescued the retarded-root-growth phenotype of avp1, an Arabidopsis knock out mutant of AVP1, on low carbohydrate medium. Overexpression of PtVP1.1 in poplar (P. davidiana × P. bolleana) led to more vigorous growth of transgenic plants in the presence of 150 mM NaCl. Microsomal membrane vesicles derived from PtVP1.1 transgenic plants exhibited higher H(+)-pyrophosphatase hydrolytic activity than those from wild type (WT). Further studies indicated that the improved salt tolerance was associated with a decreased Na(+) and increased K(+) accumulation in the leaves of transgenic plants. Na(+) efflux and H(+) influx in the roots of transgenic plants were also significantly higher than those in the WT plants. All these results suggest that PtVP1.1 is a functional counterpart of AVP1 and can be genetically engineered for salt tolerance improvement in trees.

DOI: 10.1093/treephys/tpv027
PubMed: 25877769

Affiliations:

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Le document en format XML

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<term>Adaptation, Physiological (genetics)</term>
<term>Amino Acid Sequence (MeSH)</term>
<term>Arabidopsis (genetics)</term>
<term>Gene Expression Profiling (MeSH)</term>
<term>Gene Expression Regulation, Plant (drug effects)</term>
<term>Genes, Plant (MeSH)</term>
<term>Genetic Complementation Test (MeSH)</term>
<term>Inorganic Pyrophosphatase (chemistry)</term>
<term>Inorganic Pyrophosphatase (genetics)</term>
<term>Inorganic Pyrophosphatase (metabolism)</term>
<term>Ions (MeSH)</term>
<term>Molecular Sequence Data (MeSH)</term>
<term>Phylogeny (MeSH)</term>
<term>Plant Proteins (chemistry)</term>
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<term>Plant Roots (drug effects)</term>
<term>Plant Roots (metabolism)</term>
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<term>Populus (drug effects)</term>
<term>Populus (enzymology)</term>
<term>Populus (genetics)</term>
<term>Populus (physiology)</term>
<term>Potassium (metabolism)</term>
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<term>Analyse de profil d'expression de gènes (MeSH)</term>
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<term>Salinité (MeSH)</term>
<term>Similitude de séquences d'acides aminés (MeSH)</term>
<term>Sodium (métabolisme)</term>
<term>Séquence d'acides aminés (MeSH)</term>
<term>Test de complémentation (MeSH)</term>
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<term>Phylogenèse</term>
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<front><div type="abstract" xml:lang="en">The Arabidopsis vacuolar H(+)-pyrophosphatase (AVP1) has been well studied and subsequently employed to improve salt and/or drought resistance in herbaceous plants. However, the exact function of H(+)-pyrophosphatase in woody plants still remains unknown. In this work, we cloned a homolog of type I H(+)-pyrophosphatase gene, designated as PtVP1.1, from Populus trichocarpa, and investigated its function in both Arabidopsis and poplar. The deduced translation product PtVP1.1 shares 89.74% identity with AVP1. Semi-quantitative reverse transcription polymerase chain reaction (RT-PCR) and quantitative real-time PCR analyses revealed a ubiquitous expression pattern of PtVP1.1 in various tissues, including roots, stems, leaves and shoot tips. Heterologous expression of PtVP1.1 rescued the retarded-root-growth phenotype of avp1, an Arabidopsis knock out mutant of AVP1, on low carbohydrate medium. Overexpression of PtVP1.1 in poplar (P. davidiana × P. bolleana) led to more vigorous growth of transgenic plants in the presence of 150 mM NaCl. Microsomal membrane vesicles derived from PtVP1.1 transgenic plants exhibited higher H(+)-pyrophosphatase hydrolytic activity than those from wild type (WT). Further studies indicated that the improved salt tolerance was associated with a decreased Na(+) and increased K(+) accumulation in the leaves of transgenic plants. Na(+) efflux and H(+) influx in the roots of transgenic plants were also significantly higher than those in the WT plants. All these results suggest that PtVP1.1 is a functional counterpart of AVP1 and can be genetically engineered for salt tolerance improvement in trees. </div>
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<DateCompleted><Year>2016</Year>
<Month>03</Month>
<Day>25</Day>
</DateCompleted>
<DateRevised><Year>2018</Year>
<Month>12</Month>
<Day>03</Day>
</DateRevised>
<Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN>
<JournalIssue CitedMedium="Internet"><Volume>35</Volume>
<Issue>6</Issue>
<PubDate><Year>2015</Year>
<Month>Jun</Month>
</PubDate>
</JournalIssue>
<Title>Tree physiology</Title>
<ISOAbbreviation>Tree Physiol</ISOAbbreviation>
</Journal>
<ArticleTitle>Overexpression of a Populus trichocarpa H+-pyrophosphatase gene PtVP1.1 confers salt tolerance on transgenic poplar.</ArticleTitle>
<Pagination><MedlinePgn>663-77</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpv027</ELocationID>
<Abstract><AbstractText>The Arabidopsis vacuolar H(+)-pyrophosphatase (AVP1) has been well studied and subsequently employed to improve salt and/or drought resistance in herbaceous plants. However, the exact function of H(+)-pyrophosphatase in woody plants still remains unknown. In this work, we cloned a homolog of type I H(+)-pyrophosphatase gene, designated as PtVP1.1, from Populus trichocarpa, and investigated its function in both Arabidopsis and poplar. The deduced translation product PtVP1.1 shares 89.74% identity with AVP1. Semi-quantitative reverse transcription polymerase chain reaction (RT-PCR) and quantitative real-time PCR analyses revealed a ubiquitous expression pattern of PtVP1.1 in various tissues, including roots, stems, leaves and shoot tips. Heterologous expression of PtVP1.1 rescued the retarded-root-growth phenotype of avp1, an Arabidopsis knock out mutant of AVP1, on low carbohydrate medium. Overexpression of PtVP1.1 in poplar (P. davidiana × P. bolleana) led to more vigorous growth of transgenic plants in the presence of 150 mM NaCl. Microsomal membrane vesicles derived from PtVP1.1 transgenic plants exhibited higher H(+)-pyrophosphatase hydrolytic activity than those from wild type (WT). Further studies indicated that the improved salt tolerance was associated with a decreased Na(+) and increased K(+) accumulation in the leaves of transgenic plants. Na(+) efflux and H(+) influx in the roots of transgenic plants were also significantly higher than those in the WT plants. All these results suggest that PtVP1.1 is a functional counterpart of AVP1 and can be genetically engineered for salt tolerance improvement in trees. </AbstractText>
<CopyrightInformation>© The Author 2015. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.</CopyrightInformation>
</Abstract>
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<ForeName>Y</ForeName>
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<AffiliationInfo><Affiliation>College of Agriculture, Ludong University, 186 Hongqizhong Road, Yantai, China 264025 National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai, China 200032.</Affiliation>
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<AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai, China 200032 Present address: Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA.</Affiliation>
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</AffiliationInfo>
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<AffiliationInfo><Affiliation>College of Life Sciences, Nanjing University, 22 Hankou Road, Nanjing, China 210093.</Affiliation>
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<ForeName>S L</ForeName>
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<ForeName>X H</ForeName>
<Initials>XH</Initials>
<AffiliationInfo><Affiliation>College of Agriculture, Ludong University, 186 Hongqizhong Road, Yantai, China 264025 chengxianhao@sohu.com hxzhang@sippe.ac.cn.</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Zhang</LastName>
<ForeName>H X</ForeName>
<Initials>HX</Initials>
<AffiliationInfo><Affiliation>College of Agriculture, Ludong University, 186 Hongqizhong Road, Yantai, China 264025 National Key Laboratory of Plant Molecular Genetics, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai, China 200032 chengxianhao@sohu.com hxzhang@sippe.ac.cn.</Affiliation>
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<Language>eng</Language>
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<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
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<Month>04</Month>
<Day>14</Day>
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Overexpression of a Populus trichocarpa H+-pyrophosphatase gene PtVP1.1 confers salt tolerance on transgenic poplar.

Overexpression of a Populus trichocarpa H+-pyrophosphatase gene PtVP1.1 confers salt tolerance on transgenic poplar.

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