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Fungal Endophytes of Populus trichocarpa Alter Host Phenotype, Gene Expression, and Rhizobiome Composition.

Identifieur interne : 000952 ( Main/Exploration ); précédent : 000951; suivant : 000953

Fungal Endophytes of Populus trichocarpa Alter Host Phenotype, Gene Expression, and Rhizobiome Composition.

Auteurs : Hui-Ling Liao [États-Unis] ; Gregory Bonito [États-Unis] ; J Alejandro Rojas [États-Unis] ; Khalid Hameed [États-Unis] ; Steven Wu [États-Unis] ; Christopher W. Schadt [États-Unis] ; Jessy Labbé [États-Unis] ; Gerald A. Tuskan [États-Unis] ; Francis Martin [France] ; Igor V. Grigoriev [États-Unis] ; Rytas Vilgalys [États-Unis]

Source :

RBID : pubmed:30699306

Descripteurs français

English descriptors

Abstract

Mortierella and Ilyonectria genera include common species of soil fungi that are frequently detected as root endophytes in many plants, including Populus spp. However, the ecological roles of these and other endophytic fungi with respect to plant growth and function are still not well understood. The functional ecology of two key taxa from the P. trichocarpa rhizobiome, M. elongata PMI93 and I. europaea PMI82, was studied by coupling forest soil bioassays with environmental metatranscriptomics. Using soil bioassay experiments amended with fungal inoculants, M. elongata was observed to promote the growth of P. trichocarpa. This response was cultivar independent. In contrast, I. europaea had no visible effect on P. trichocarpa growth. Metatranscriptomic studies revealed that these fungi impacted rhizophytic and endophytic activities in P. trichocarpa and induced shifts in soil and root microbial communities. Differential expression of core genes in P. trichocarpa roots was observed in response to both fungal species. Expression of P. trichocarpa genes for lipid signaling and nutrient uptake were upregulated, and expression of genes associated with gibberellin signaling were altered in plants inoculated with M. elongata, but not I. europaea. Upregulation of genes for growth promotion, downregulation of genes for several leucine-rich repeat receptor kinases, and alteration of expression of genes associated with plant defense responses (e.g., jasmonic acid, salicylic acid, and ethylene signal pathways) also suggest that M. elongata manipulates plant defenses while promoting plant growth.

DOI: 10.1094/MPMI-05-18-0133-R
PubMed: 30699306


Affiliations:


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Le document en format XML

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<term>Biodiversity (MeSH)</term>
<term>Endophytes (physiology)</term>
<term>Fungi (physiology)</term>
<term>Gene Expression Regulation, Plant (MeSH)</term>
<term>Phenotype (MeSH)</term>
<term>Plant Roots (microbiology)</term>
<term>Populus (microbiology)</term>
<term>Rhizosphere (MeSH)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr">
<term>Biodiversité (MeSH)</term>
<term>Champignons (physiologie)</term>
<term>Endophytes (physiologie)</term>
<term>Phénotype (MeSH)</term>
<term>Populus (microbiologie)</term>
<term>Racines de plante (microbiologie)</term>
<term>Rhizosphère (MeSH)</term>
<term>Régulation de l'expression des gènes végétaux (MeSH)</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr">
<term>Populus</term>
<term>Racines de plante</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en">
<term>Plant Roots</term>
<term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr">
<term>Champignons</term>
<term>Endophytes</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en">
<term>Endophytes</term>
<term>Fungi</term>
</keywords>
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<term>Biodiversity</term>
<term>Gene Expression Regulation, Plant</term>
<term>Phenotype</term>
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<term>Phénotype</term>
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<front>
<div type="abstract" xml:lang="en">
<i>Mortierella</i>
and
<i>Ilyonectria</i>
genera include common species of soil fungi that are frequently detected as root endophytes in many plants, including
<i>Populus</i>
spp. However, the ecological roles of these and other endophytic fungi with respect to plant growth and function are still not well understood. The functional ecology of two key taxa from the
<i>P. trichocarpa</i>
rhizobiome,
<i>M. elongata</i>
PMI93 and
<i>I. europaea</i>
PMI82, was studied by coupling forest soil bioassays with environmental metatranscriptomics. Using soil bioassay experiments amended with fungal inoculants,
<i>M. elongata</i>
was observed to promote the growth of
<i>P. trichocarpa</i>
. This response was cultivar independent. In contrast,
<i>I. europaea</i>
had no visible effect on
<i>P. trichocarpa</i>
growth. Metatranscriptomic studies revealed that these fungi impacted rhizophytic and endophytic activities in
<i>P. trichocarpa</i>
and induced shifts in soil and root microbial communities. Differential expression of core genes in
<i>P. trichocarpa</i>
roots was observed in response to both fungal species. Expression of
<i>P. trichocarpa</i>
genes for lipid signaling and nutrient uptake were upregulated, and expression of genes associated with gibberellin signaling were altered in plants inoculated with
<i>M. elongata</i>
, but not
<i>I. europaea</i>
. Upregulation of genes for growth promotion, downregulation of genes for several leucine-rich repeat receptor kinases, and alteration of expression of genes associated with plant defense responses (e.g., jasmonic acid, salicylic acid, and ethylene signal pathways) also suggest that
<i>M. elongata</i>
manipulates plant defenses while promoting plant growth.</div>
</front>
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<PMID Version="1">30699306</PMID>
<DateCompleted>
<Year>2019</Year>
<Month>07</Month>
<Day>30</Day>
</DateCompleted>
<DateRevised>
<Year>2019</Year>
<Month>07</Month>
<Day>30</Day>
</DateRevised>
<Article PubModel="Print-Electronic">
<Journal>
<ISSN IssnType="Print">0894-0282</ISSN>
<JournalIssue CitedMedium="Print">
<Volume>32</Volume>
<Issue>7</Issue>
<PubDate>
<Year>2019</Year>
<Month>Jul</Month>
</PubDate>
</JournalIssue>
<Title>Molecular plant-microbe interactions : MPMI</Title>
<ISOAbbreviation>Mol Plant Microbe Interact</ISOAbbreviation>
</Journal>
<ArticleTitle>Fungal Endophytes of
<i>Populus trichocarpa</i>
Alter Host Phenotype, Gene Expression, and Rhizobiome Composition.</ArticleTitle>
<Pagination>
<MedlinePgn>853-864</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1094/MPMI-05-18-0133-R</ELocationID>
<Abstract>
<AbstractText>
<i>Mortierella</i>
and
<i>Ilyonectria</i>
genera include common species of soil fungi that are frequently detected as root endophytes in many plants, including
<i>Populus</i>
spp. However, the ecological roles of these and other endophytic fungi with respect to plant growth and function are still not well understood. The functional ecology of two key taxa from the
<i>P. trichocarpa</i>
rhizobiome,
<i>M. elongata</i>
PMI93 and
<i>I. europaea</i>
PMI82, was studied by coupling forest soil bioassays with environmental metatranscriptomics. Using soil bioassay experiments amended with fungal inoculants,
<i>M. elongata</i>
was observed to promote the growth of
<i>P. trichocarpa</i>
. This response was cultivar independent. In contrast,
<i>I. europaea</i>
had no visible effect on
<i>P. trichocarpa</i>
growth. Metatranscriptomic studies revealed that these fungi impacted rhizophytic and endophytic activities in
<i>P. trichocarpa</i>
and induced shifts in soil and root microbial communities. Differential expression of core genes in
<i>P. trichocarpa</i>
roots was observed in response to both fungal species. Expression of
<i>P. trichocarpa</i>
genes for lipid signaling and nutrient uptake were upregulated, and expression of genes associated with gibberellin signaling were altered in plants inoculated with
<i>M. elongata</i>
, but not
<i>I. europaea</i>
. Upregulation of genes for growth promotion, downregulation of genes for several leucine-rich repeat receptor kinases, and alteration of expression of genes associated with plant defense responses (e.g., jasmonic acid, salicylic acid, and ethylene signal pathways) also suggest that
<i>M. elongata</i>
manipulates plant defenses while promoting plant growth.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Liao</LastName>
<ForeName>Hui-Ling</ForeName>
<Initials>HL</Initials>
<Identifier Source="ORCID">http://orcid.org/0000-0002-1648-3444</Identifier>
<AffiliationInfo>
<Affiliation>1 North Florida Research and Education Center, University of Florida, 155 Research Road, Quincy, FL 32351, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Bonito</LastName>
<ForeName>Gregory</ForeName>
<Initials>G</Initials>
<AffiliationInfo>
<Affiliation>2 Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI 48824, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Rojas</LastName>
<ForeName>J Alejandro</ForeName>
<Initials>JA</Initials>
<Identifier Source="ORCID">http://orcid.org/0000-0001-5492-5963</Identifier>
<AffiliationInfo>
<Affiliation>3 Department of Biology, Duke University, Durham, NC, U.S.A.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>4 Plant Pathology Department, University of Arkansas, 211 PTSC-Fayetteville, AR 72701, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Hameed</LastName>
<ForeName>Khalid</ForeName>
<Initials>K</Initials>
<AffiliationInfo>
<Affiliation>3 Department of Biology, Duke University, Durham, NC, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Wu</LastName>
<ForeName>Steven</ForeName>
<Initials>S</Initials>
<AffiliationInfo>
<Affiliation>5 Independent Researcher, Davis, CA, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Schadt</LastName>
<ForeName>Christopher W</ForeName>
<Initials>CW</Initials>
<AffiliationInfo>
<Affiliation>6 Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37830, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Labbé</LastName>
<ForeName>Jessy</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>6 Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37830, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Tuskan</LastName>
<ForeName>Gerald A</ForeName>
<Initials>GA</Initials>
<AffiliationInfo>
<Affiliation>6 Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37830, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Martin</LastName>
<ForeName>Francis</ForeName>
<Initials>F</Initials>
<AffiliationInfo>
<Affiliation>7 INRA, UMR 1136 INRA-University of Lorraine, Interactions Arbres/Microorganismes, Laboratory of Excellence ARBRE, INRA-Nancy, 54280, Champenoux, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Grigoriev</LastName>
<ForeName>Igor V</ForeName>
<Initials>IV</Initials>
<AffiliationInfo>
<Affiliation>8 U.S. Department of Energy Joint Genome Institute and Department of Plant and Microbial Biology, University of California Berkeley, 2800 Mitchell Drive, Walnut Creek, CA 94598, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Vilgalys</LastName>
<ForeName>Rytas</ForeName>
<Initials>R</Initials>
<AffiliationInfo>
<Affiliation>3 Department of Biology, Duke University, Durham, NC, U.S.A.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2019</Year>
<Month>06</Month>
<Day>10</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>United States</Country>
<MedlineTA>Mol Plant Microbe Interact</MedlineTA>
<NlmUniqueID>9107902</NlmUniqueID>
<ISSNLinking>0894-0282</ISSNLinking>
</MedlineJournalInfo>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D044822" MajorTopicYN="N">Biodiversity</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D060026" MajorTopicYN="Y">Endophytes</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D005658" MajorTopicYN="Y">Fungi</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D018506" MajorTopicYN="Y">Gene Expression Regulation, Plant</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010641" MajorTopicYN="N">Phenotype</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D032107" MajorTopicYN="Y">Populus</DescriptorName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D058441" MajorTopicYN="N">Rhizosphere</DescriptorName>
</MeshHeading>
</MeshHeadingList>
</MedlineCitation>
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<History>
<PubMedPubDate PubStatus="pubmed">
<Year>2019</Year>
<Month>1</Month>
<Day>31</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline">
<Year>2019</Year>
<Month>7</Month>
<Day>31</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2019</Year>
<Month>1</Month>
<Day>31</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">30699306</ArticleId>
<ArticleId IdType="doi">10.1094/MPMI-05-18-0133-R</ArticleId>
</ArticleIdList>
</PubmedData>
</pubmed>
<affiliations>
<list>
<country>
<li>France</li>
<li>États-Unis</li>
</country>
<region>
<li>Arkansas</li>
<li>Californie</li>
<li>Caroline du Nord</li>
<li>Floride</li>
<li>Grand Est</li>
<li>Lorraine (région)</li>
<li>Michigan</li>
<li>Tennessee</li>
</region>
<settlement>
<li>Champenoux</li>
<li>East Lansing</li>
</settlement>
<orgName>
<li>Université d'État du Michigan</li>
</orgName>
</list>
<tree>
<country name="États-Unis">
<region name="Floride">
<name sortKey="Liao, Hui Ling" sort="Liao, Hui Ling" uniqKey="Liao H" first="Hui-Ling" last="Liao">Hui-Ling Liao</name>
</region>
<name sortKey="Bonito, Gregory" sort="Bonito, Gregory" uniqKey="Bonito G" first="Gregory" last="Bonito">Gregory Bonito</name>
<name sortKey="Grigoriev, Igor V" sort="Grigoriev, Igor V" uniqKey="Grigoriev I" first="Igor V" last="Grigoriev">Igor V. Grigoriev</name>
<name sortKey="Hameed, Khalid" sort="Hameed, Khalid" uniqKey="Hameed K" first="Khalid" last="Hameed">Khalid Hameed</name>
<name sortKey="Labbe, Jessy" sort="Labbe, Jessy" uniqKey="Labbe J" first="Jessy" last="Labbé">Jessy Labbé</name>
<name sortKey="Rojas, J Alejandro" sort="Rojas, J Alejandro" uniqKey="Rojas J" first="J Alejandro" last="Rojas">J Alejandro Rojas</name>
<name sortKey="Rojas, J Alejandro" sort="Rojas, J Alejandro" uniqKey="Rojas J" first="J Alejandro" last="Rojas">J Alejandro Rojas</name>
<name sortKey="Schadt, Christopher W" sort="Schadt, Christopher W" uniqKey="Schadt C" first="Christopher W" last="Schadt">Christopher W. Schadt</name>
<name sortKey="Tuskan, Gerald A" sort="Tuskan, Gerald A" uniqKey="Tuskan G" first="Gerald A" last="Tuskan">Gerald A. Tuskan</name>
<name sortKey="Vilgalys, Rytas" sort="Vilgalys, Rytas" uniqKey="Vilgalys R" first="Rytas" last="Vilgalys">Rytas Vilgalys</name>
<name sortKey="Wu, Steven" sort="Wu, Steven" uniqKey="Wu S" first="Steven" last="Wu">Steven Wu</name>
</country>
<country name="France">
<region name="Grand Est">
<name sortKey="Martin, Francis" sort="Martin, Francis" uniqKey="Martin F" first="Francis" last="Martin">Francis Martin</name>
</region>
</country>
</tree>
</affiliations>
</record>

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