Constitutive overexpression of the sucrose transporter SoSUT1 in potato plants increases arbuscular mycorrhiza fungal root colonization under high, but not under low, soil phosphorus availability.
Identifieur interne : 002388 ( Main/Corpus ); précédent : 002387; suivant : 002389Constitutive overexpression of the sucrose transporter SoSUT1 in potato plants increases arbuscular mycorrhiza fungal root colonization under high, but not under low, soil phosphorus availability.
Auteurs : Elke Gabriel-Neumann ; Günter Neumann ; Georg Leggewie ; Eckhard GeorgeSource :
- Journal of plant physiology [ 1618-1328 ] ; 2011.
English descriptors
- KwdEn :
- Copper (metabolism), Gene Expression Regulation, Plant (MeSH), Membrane Transport Proteins (genetics), Membrane Transport Proteins (metabolism), Mycelium (growth & development), Mycelium (metabolism), Mycorrhizae (growth & development), Mycorrhizae (metabolism), Phosphorus (metabolism), Plant Proteins (genetics), Plant Proteins (metabolism), Plant Roots (growth & development), Plant Roots (metabolism), Plant Roots (microbiology), Plant Shoots (growth & development), Plant Shoots (metabolism), Plants, Genetically Modified (growth & development), Plants, Genetically Modified (metabolism), Plants, Genetically Modified (microbiology), Soil Microbiology (MeSH), Solanum tuberosum (growth & development), Solanum tuberosum (metabolism), Solanum tuberosum (microbiology), Sucrose (metabolism), Zinc (metabolism).
- MESH :
- chemical , genetics : Membrane Transport Proteins, Plant Proteins.
- chemical , metabolism : Copper, Membrane Transport Proteins, Phosphorus, Plant Proteins, Sucrose, Zinc.
- growth & development : Mycelium, Mycorrhizae, Plant Roots, Plant Shoots, Plants, Genetically Modified, Solanum tuberosum.
- metabolism : Mycelium, Mycorrhizae, Plant Roots, Plant Shoots, Plants, Genetically Modified, Solanum tuberosum.
- microbiology : Plant Roots, Plants, Genetically Modified, Solanum tuberosum.
- Gene Expression Regulation, Plant, Soil Microbiology.
Abstract
The sucrose transporter SUT1 functions in phloem loading of photoassimilates in solanaceous plant species. In the present study, wildtype and transgenic potato plants with either constitutive overexpression or antisense inhibition of SUT1 were grown under high or low phosphorus (P) fertilization levels in the presence or absence of the arbuscular mycorrhizal (AM) fungus Glomus intraradices. At a low soil P fertilization level, the extent of AM fungal root colonization was not different among the genotypes. In all plants, the AM symbiosis contributed significantly to P uptake under these conditions. In response to a high soil P fertilization level, all genotypes showed a decrease in AM fungal root colonization, indicating that the expression level of SUT1 does not constitute a major mechanism of control over AM development in response to the soil P availability. However, plants with overexpression of SUT1 showed a higher extent of AM fungal root colonization compared with the other genotypes when the soil P availability was high. Whether an increased symbiotic C supply, alterations in the phytohormonal balance, or a decreased synthesis of antimicrobial compounds was the major cause for this effect requires further investigation. In plants with impaired phloem loading, a low C status of plant sink tissues did apparently not negatively affect plant C supply to the AM symbiosis. It is possible that, at least during vegetative and early generative growth, source rather than sink tissues exert control over amounts of C supplied to AM fungi.
DOI: 10.1016/j.jplph.2010.11.026
PubMed: 21382646
Links to Exploration step
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last="George">Eckhard George</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="RBID">pubmed:21382646</idno><idno type="pmid">21382646</idno><idno type="doi">10.1016/j.jplph.2010.11.026</idno><idno type="wicri:Area/Main/Corpus">002388</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002388</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Constitutive overexpression of the sucrose transporter SoSUT1 in potato plants increases arbuscular mycorrhiza fungal root colonization under high, but not under low, soil phosphorus availability.</title><author><name sortKey="Gabriel Neumann, Elke" sort="Gabriel Neumann, Elke" uniqKey="Gabriel Neumann E" first="Elke" last="Gabriel-Neumann">Elke Gabriel-Neumann</name><affiliation><nlm:affiliation>Department of Aridland Agriculture, United Arab Emirates University, Al-Ain, United Arab Emirates.</nlm:affiliation></affiliation></author><author><name sortKey="Neumann, Gunter" sort="Neumann, Gunter" uniqKey="Neumann G" first="Günter" last="Neumann">Günter Neumann</name></author><author><name sortKey="Leggewie, Georg" sort="Leggewie, Georg" uniqKey="Leggewie G" first="Georg" last="Leggewie">Georg Leggewie</name></author><author><name sortKey="George, Eckhard" sort="George, Eckhard" uniqKey="George E" first="Eckhard" last="George">Eckhard George</name></author></analytic><series><title level="j">Journal of plant physiology</title><idno type="eISSN">1618-1328</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Copper (metabolism)</term><term>Gene Expression Regulation, Plant (MeSH)</term><term>Membrane Transport Proteins (genetics)</term><term>Membrane Transport Proteins (metabolism)</term><term>Mycelium (growth & development)</term><term>Mycelium (metabolism)</term><term>Mycorrhizae (growth & development)</term><term>Mycorrhizae (metabolism)</term><term>Phosphorus (metabolism)</term><term>Plant Proteins (genetics)</term><term>Plant Proteins (metabolism)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (metabolism)</term><term>Plant Roots (microbiology)</term><term>Plant Shoots (growth & development)</term><term>Plant Shoots (metabolism)</term><term>Plants, Genetically Modified (growth & development)</term><term>Plants, Genetically Modified (metabolism)</term><term>Plants, Genetically Modified (microbiology)</term><term>Soil Microbiology (MeSH)</term><term>Solanum tuberosum (growth & development)</term><term>Solanum tuberosum (metabolism)</term><term>Solanum tuberosum (microbiology)</term><term>Sucrose (metabolism)</term><term>Zinc (metabolism)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Membrane Transport Proteins</term><term>Plant Proteins</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Copper</term><term>Membrane Transport Proteins</term><term>Phosphorus</term><term>Plant Proteins</term><term>Sucrose</term><term>Zinc</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycelium</term><term>Mycorrhizae</term><term>Plant Roots</term><term>Plant Shoots</term><term>Plants, Genetically Modified</term><term>Solanum tuberosum</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Mycelium</term><term>Mycorrhizae</term><term>Plant Roots</term><term>Plant Shoots</term><term>Plants, Genetically Modified</term><term>Solanum tuberosum</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Plants, Genetically Modified</term><term>Solanum tuberosum</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Gene Expression Regulation, Plant</term><term>Soil Microbiology</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The sucrose transporter SUT1 functions in phloem loading of photoassimilates in solanaceous plant species. In the present study, wildtype and transgenic potato plants with either constitutive overexpression or antisense inhibition of SUT1 were grown under high or low phosphorus (P) fertilization levels in the presence or absence of the arbuscular mycorrhizal (AM) fungus Glomus intraradices. At a low soil P fertilization level, the extent of AM fungal root colonization was not different among the genotypes. In all plants, the AM symbiosis contributed significantly to P uptake under these conditions. In response to a high soil P fertilization level, all genotypes showed a decrease in AM fungal root colonization, indicating that the expression level of SUT1 does not constitute a major mechanism of control over AM development in response to the soil P availability. However, plants with overexpression of SUT1 showed a higher extent of AM fungal root colonization compared with the other genotypes when the soil P availability was high. Whether an increased symbiotic C supply, alterations in the phytohormonal balance, or a decreased synthesis of antimicrobial compounds was the major cause for this effect requires further investigation. In plants with impaired phloem loading, a low C status of plant sink tissues did apparently not negatively affect plant C supply to the AM symbiosis. It is possible that, at least during vegetative and early generative growth, source rather than sink tissues exert control over amounts of C supplied to AM fungi.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21382646</PMID><DateCompleted><Year>2011</Year><Month>07</Month><Day>28</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1618-1328</ISSN><JournalIssue CitedMedium="Internet"><Volume>168</Volume><Issue>9</Issue><PubDate><Year>2011</Year><Month>Jun</Month><Day>15</Day></PubDate></JournalIssue><Title>Journal of plant physiology</Title><ISOAbbreviation>J Plant Physiol</ISOAbbreviation></Journal><ArticleTitle>Constitutive overexpression of the sucrose transporter SoSUT1 in potato plants increases arbuscular mycorrhiza fungal root colonization under high, but not under low, soil phosphorus availability.</ArticleTitle><Pagination><MedlinePgn>911-9</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jplph.2010.11.026</ELocationID><Abstract><AbstractText>The sucrose transporter SUT1 functions in phloem loading of photoassimilates in solanaceous plant species. In the present study, wildtype and transgenic potato plants with either constitutive overexpression or antisense inhibition of SUT1 were grown under high or low phosphorus (P) fertilization levels in the presence or absence of the arbuscular mycorrhizal (AM) fungus Glomus intraradices. At a low soil P fertilization level, the extent of AM fungal root colonization was not different among the genotypes. In all plants, the AM symbiosis contributed significantly to P uptake under these conditions. In response to a high soil P fertilization level, all genotypes showed a decrease in AM fungal root colonization, indicating that the expression level of SUT1 does not constitute a major mechanism of control over AM development in response to the soil P availability. However, plants with overexpression of SUT1 showed a higher extent of AM fungal root colonization compared with the other genotypes when the soil P availability was high. Whether an increased symbiotic C supply, alterations in the phytohormonal balance, or a decreased synthesis of antimicrobial compounds was the major cause for this effect requires further investigation. In plants with impaired phloem loading, a low C status of plant sink tissues did apparently not negatively affect plant C supply to the AM symbiosis. It is possible that, at least during vegetative and early generative growth, source rather than sink tissues exert control over amounts of C supplied to AM fungi.</AbstractText><CopyrightInformation>Copyright © 2011 Elsevier GmbH. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gabriel-Neumann</LastName><ForeName>Elke</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Department of Aridland Agriculture, United Arab Emirates University, Al-Ain, United Arab Emirates.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Neumann</LastName><ForeName>Günter</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Leggewie</LastName><ForeName>Georg</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>George</LastName><ForeName>Eckhard</ForeName><Initials>E</Initials></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>2011</Year><Month>03</Month><Day>05</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>J Plant Physiol</MedlineTA><NlmUniqueID>9882059</NlmUniqueID><ISSNLinking>0176-1617</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D026901">Membrane Transport Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="C078729">sucrose transport protein, plant</NameOfSubstance></Chemical><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance UI="D010758">Phosphorus</NameOfSubstance></Chemical><Chemical><RegistryNumber>57-50-1</RegistryNumber><NameOfSubstance UI="D013395">Sucrose</NameOfSubstance></Chemical><Chemical><RegistryNumber>789U1901C5</RegistryNumber><NameOfSubstance 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MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="N">Phosphorus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" 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