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Volatile signalling by sesquiterpenes from ectomycorrhizal fungi reprogrammes root architecture.

Identifieur interne : 001A63 ( Main/Exploration ); précédent : 001A62; suivant : 001A64

Volatile signalling by sesquiterpenes from ectomycorrhizal fungi reprogrammes root architecture.

Auteurs : Franck A. Ditengou [Allemagne] ; Anna Müller [Allemagne] ; Maaria Rosenkranz [Allemagne] ; Judith Felten [Suède] ; Hanna Lasok [Allemagne] ; Maja Miloradovic Van Doorn [Allemagne] ; Valerie Legué [France] ; Klaus Palme [Allemagne] ; Jörg-Peter Schnitzler [Allemagne] ; Andrea Polle [Allemagne]

Source :

RBID : pubmed:25703994

Descripteurs français

English descriptors

Abstract

The mutualistic association of roots with ectomycorrhizal fungi promotes plant health and is a hallmark of boreal and temperate forests worldwide. In the pre-colonization phase, before direct contact, lateral root (LR) production is massively stimulated, yet little is known about the signals exchanged during this step. Here, we identify sesquiterpenes (SQTs) as biologically active agents emitted by Laccaria bicolor while interacting with Populus or Arabidopsis. We show that inhibition of fungal SQT production by lovastatin strongly reduces LR proliferation and that (-)-thujopsene, a low-abundance SQT, is sufficient to stimulate LR formation in the absence of the fungus. Further, we show that the ectomycorrhizal ascomycote, Cenococcum geophilum, which cannot synthesize SQTs, does not promote LRs. We propose that the LR-promoting SQT signal creates a win-win situation by enhancing the root surface area for plant nutrient uptake and by improving fungal access to plant-derived carbon via root exudates.

DOI: 10.1038/ncomms7279
PubMed: 25703994
PubMed Central: PMC4346619


Affiliations:


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Le document en format XML

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<div type="abstract" xml:lang="en">The mutualistic association of roots with ectomycorrhizal fungi promotes plant health and is a hallmark of boreal and temperate forests worldwide. In the pre-colonization phase, before direct contact, lateral root (LR) production is massively stimulated, yet little is known about the signals exchanged during this step. Here, we identify sesquiterpenes (SQTs) as biologically active agents emitted by Laccaria bicolor while interacting with Populus or Arabidopsis. We show that inhibition of fungal SQT production by lovastatin strongly reduces LR proliferation and that (-)-thujopsene, a low-abundance SQT, is sufficient to stimulate LR formation in the absence of the fungus. Further, we show that the ectomycorrhizal ascomycote, Cenococcum geophilum, which cannot synthesize SQTs, does not promote LRs. We propose that the LR-promoting SQT signal creates a win-win situation by enhancing the root surface area for plant nutrient uptake and by improving fungal access to plant-derived carbon via root exudates. </div>
</front>
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<MedlineCitation Status="MEDLINE" Owner="NLM">
<PMID Version="1">25703994</PMID>
<DateCompleted>
<Year>2016</Year>
<Month>03</Month>
<Day>15</Day>
</DateCompleted>
<DateRevised>
<Year>2018</Year>
<Month>11</Month>
<Day>13</Day>
</DateRevised>
<Article PubModel="Electronic">
<Journal>
<ISSN IssnType="Electronic">2041-1723</ISSN>
<JournalIssue CitedMedium="Internet">
<Volume>6</Volume>
<PubDate>
<Year>2015</Year>
<Month>Feb</Month>
<Day>23</Day>
</PubDate>
</JournalIssue>
<Title>Nature communications</Title>
<ISOAbbreviation>Nat Commun</ISOAbbreviation>
</Journal>
<ArticleTitle>Volatile signalling by sesquiterpenes from ectomycorrhizal fungi reprogrammes root architecture.</ArticleTitle>
<Pagination>
<MedlinePgn>6279</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1038/ncomms7279</ELocationID>
<Abstract>
<AbstractText>The mutualistic association of roots with ectomycorrhizal fungi promotes plant health and is a hallmark of boreal and temperate forests worldwide. In the pre-colonization phase, before direct contact, lateral root (LR) production is massively stimulated, yet little is known about the signals exchanged during this step. Here, we identify sesquiterpenes (SQTs) as biologically active agents emitted by Laccaria bicolor while interacting with Populus or Arabidopsis. We show that inhibition of fungal SQT production by lovastatin strongly reduces LR proliferation and that (-)-thujopsene, a low-abundance SQT, is sufficient to stimulate LR formation in the absence of the fungus. Further, we show that the ectomycorrhizal ascomycote, Cenococcum geophilum, which cannot synthesize SQTs, does not promote LRs. We propose that the LR-promoting SQT signal creates a win-win situation by enhancing the root surface area for plant nutrient uptake and by improving fungal access to plant-derived carbon via root exudates. </AbstractText>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Ditengou</LastName>
<ForeName>Franck A</ForeName>
<Initials>FA</Initials>
<AffiliationInfo>
<Affiliation>Institute of Biology II, Faculty of Biology, Albert-Ludwigs-University of Freiburg, Schänzlestrasse 1, D-79104 Freiburg, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Müller</LastName>
<ForeName>Anna</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Forest Botany and Tree Physiology, Georg-August Universität Göttingen, Büsgenweg 2, D-37077 Göttingen, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Rosenkranz</LastName>
<ForeName>Maaria</ForeName>
<Initials>M</Initials>
<AffiliationInfo>
<Affiliation>Research Unit Environmental Simulation, Institute of Biochemical Plant Pathology, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), Ingolstädter Landstrasse 1, D-85764 Neuherberg, Germany.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Felten</LastName>
<ForeName>Judith</ForeName>
<Initials>J</Initials>
<Identifier Source="ORCID">000000020444822X</Identifier>
<AffiliationInfo>
<Affiliation>Umeå Plant Science Center, Department for Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden.</Affiliation>
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</Author>
<Author ValidYN="Y">
<LastName>Lasok</LastName>
<ForeName>Hanna</ForeName>
<Initials>H</Initials>
<AffiliationInfo>
<Affiliation>Institute of Biology II, Faculty of Biology, Albert-Ludwigs-University of Freiburg, Schänzlestrasse 1, D-79104 Freiburg, Germany.</Affiliation>
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</Author>
<Author ValidYN="Y">
<LastName>van Doorn</LastName>
<ForeName>Maja Miloradovic</ForeName>
<Initials>MM</Initials>
<AffiliationInfo>
<Affiliation>Research Unit Environmental Simulation, Institute of Biochemical Plant Pathology, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), Ingolstädter Landstrasse 1, D-85764 Neuherberg, Germany.</Affiliation>
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</Author>
<Author ValidYN="Y">
<LastName>Legué</LastName>
<ForeName>Valerie</ForeName>
<Initials>V</Initials>
<AffiliationInfo>
<Affiliation>INRA and Lorraine University, UMR 1136, Interactions Arbres/Micro-organismes, Centre INRA de Nancy, 54280 Champenoux, France.</Affiliation>
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<Author ValidYN="Y">
<LastName>Palme</LastName>
<ForeName>Klaus</ForeName>
<Initials>K</Initials>
<AffiliationInfo>
<Affiliation>1] Institute of Biology II, Faculty of Biology, Albert-Ludwigs-University of Freiburg, Schänzlestrasse 1, D-79104 Freiburg, Germany [2] BIOSS Centre of Biological Systems Analysis, Albert-Ludwigs-University of Freiburg, Habsburgerstrasse 49, D-79104 Freiburg, Germany [3] Freiburg Institute of Advanced Sciences (FRIAS), Albert-Ludwigs-University of Freiburg, Albertstrasse 19, D-79104 Freiburg, Germany [4] Centre for Biological Signalling Studies (BIOSS), Albert-Ludwigs-University of Freiburg, Schänzlestrasse 18, D-79104 Freiburg, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Schnitzler</LastName>
<ForeName>Jörg-Peter</ForeName>
<Initials>JP</Initials>
<AffiliationInfo>
<Affiliation>Research Unit Environmental Simulation, Institute of Biochemical Plant Pathology, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), Ingolstädter Landstrasse 1, D-85764 Neuherberg, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Polle</LastName>
<ForeName>Andrea</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Forest Botany and Tree Physiology, Georg-August Universität Göttingen, Büsgenweg 2, D-37077 Göttingen, Germany.</Affiliation>
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<Language>eng</Language>
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<Year>2015</Year>
<Month>02</Month>
<Day>23</Day>
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<Country>England</Country>
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<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
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<DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName>
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<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
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<name sortKey="Rosenkranz, Maaria" sort="Rosenkranz, Maaria" uniqKey="Rosenkranz M" first="Maaria" last="Rosenkranz">Maaria Rosenkranz</name>
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<name sortKey="Van Doorn, Maja Miloradovic" sort="Van Doorn, Maja Miloradovic" uniqKey="Van Doorn M" first="Maja Miloradovic" last="Van Doorn">Maja Miloradovic Van Doorn</name>
</country>
<country name="Suède">
<noRegion>
<name sortKey="Felten, Judith" sort="Felten, Judith" uniqKey="Felten J" first="Judith" last="Felten">Judith Felten</name>
</noRegion>
</country>
<country name="France">
<region name="Grand Est">
<name sortKey="Legue, Valerie" sort="Legue, Valerie" uniqKey="Legue V" first="Valerie" last="Legué">Valerie Legué</name>
</region>
</country>
</tree>
</affiliations>
</record>

Pour manipuler ce document sous Unix (Dilib)

EXPLOR_STEP=$WICRI_ROOT/Bois/explor/PoplarV1/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 001A63 | SxmlIndent | more

Ou

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Pour mettre un lien sur cette page dans le réseau Wicri

{{Explor lien
   |wiki=    Bois
   |area=    PoplarV1
   |flux=    Main
   |étape=   Exploration
   |type=    RBID
   |clé=     pubmed:25703994
   |texte=   Volatile signalling by sesquiterpenes from ectomycorrhizal fungi reprogrammes root architecture.
}}

Pour générer des pages wiki

HfdIndexSelect -h $EXPLOR_AREA/Data/Main/Exploration/RBID.i   -Sk "pubmed:25703994" \
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       | NlmPubMed2Wicri -a PoplarV1 

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Data generation: Wed Nov 18 12:07:19 2020. Site generation: Wed Nov 18 12:16:31 2020