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A new proteinaceous pathogen-associated molecular pattern (PAMP) identified in Ascomycete fungi induces cell death in Solanaceae.

Identifieur interne : 000A72 ( Main/Exploration ); précédent : 000A71; suivant : 000A73

A new proteinaceous pathogen-associated molecular pattern (PAMP) identified in Ascomycete fungi induces cell death in Solanaceae.

Auteurs : Barbara Franco-Orozco [Royaume-Uni] ; Adokiye Berepiki [Royaume-Uni] ; Olaya Ruiz [Royaume-Uni] ; Louise Gamble [Royaume-Uni] ; Lucie L. Griffe [Royaume-Uni] ; Shumei Wang [Royaume-Uni] ; Paul R J. Birch [Royaume-Uni] ; Kostya Kanyuka [Royaume-Uni] ; Anna Avrova [Royaume-Uni]

Source :

RBID : pubmed:28386988

Descripteurs français

English descriptors

Abstract

Pathogen-associated molecular patterns (PAMPs) are detected by plant pattern recognition receptors (PRRs), which gives rise to PAMP-triggered immunity (PTI). We characterized a novel fungal PAMP, Cell Death Inducing 1 (RcCDI1), identified in the Rhynchosporium commune transcriptome sampled at an early stage of barley (Hordeum vulgare) infection. The ability of RcCDI1 and its homologues from different fungal species to induce cell death in Nicotiana benthamiana was tested following agroinfiltration or infiltration of recombinant proteins produced by Pichia pastoris. Virus-induced gene silencing (VIGS) and transient expression of Phytophthora infestans effectors PiAVR3a and PexRD2 were used to assess the involvement of known components of PTI in N. benthamiana responses to RcCDI1. RcCDI1 was highly upregulated early during barley colonization with R. commune. RcCDI1 and its homologues from different fungal species, including Zymoseptoria tritici, Magnaporthe oryzae and Neurospora crassa, exhibited PAMP activity, inducing cell death in Solanaceae but not in other families of dicots or monocots. RcCDI1-triggered cell death was shown to require N. benthamiana Brassinosteroid insensitive 1-Associated Kinase 1 (NbBAK1), N. benthamiana suppressor of BIR1-1 (NbSOBIR1) and N. benthamiana SGT1 (NbSGT1), but was not suppressed by PiAVR3a or PexRD2. We report the identification of a novel Ascomycete PAMP, RcCDI1, recognized by Solanaceae but not by monocots, which activates cell death through a pathway that is distinct from that triggered by the oomycete PAMP INF1.

DOI: 10.1111/nph.14542
PubMed: 28386988


Affiliations:


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Le document en format XML

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<term>Ascomycota (pathogenicity)</term>
<term>Ascomycota (physiology)</term>
<term>Cell Death (MeSH)</term>
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<term>Fungal Proteins (genetics)</term>
<term>Fungal Proteins (metabolism)</term>
<term>Hordeum (microbiology)</term>
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<term>Pathogen-Associated Molecular Pattern Molecules (metabolism)</term>
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<term>Plant Cells (microbiology)</term>
<term>Plant Proteins (genetics)</term>
<term>Plant Proteins (metabolism)</term>
<term>Solanaceae (cytology)</term>
<term>Solanaceae (microbiology)</term>
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<term>Protéines fongiques (métabolisme)</term>
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<term>Hordeum</term>
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<term>Tabac</term>
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<div type="abstract" xml:lang="en">Pathogen-associated molecular patterns (PAMPs) are detected by plant pattern recognition receptors (PRRs), which gives rise to PAMP-triggered immunity (PTI). We characterized a novel fungal PAMP, Cell Death Inducing 1 (RcCDI1), identified in the Rhynchosporium commune transcriptome sampled at an early stage of barley (Hordeum vulgare) infection. The ability of RcCDI1 and its homologues from different fungal species to induce cell death in Nicotiana benthamiana was tested following agroinfiltration or infiltration of recombinant proteins produced by Pichia pastoris. Virus-induced gene silencing (VIGS) and transient expression of Phytophthora infestans effectors PiAVR3a and PexRD2 were used to assess the involvement of known components of PTI in N. benthamiana responses to RcCDI1. RcCDI1 was highly upregulated early during barley colonization with R. commune. RcCDI1 and its homologues from different fungal species, including Zymoseptoria tritici, Magnaporthe oryzae and Neurospora crassa, exhibited PAMP activity, inducing cell death in Solanaceae but not in other families of dicots or monocots. RcCDI1-triggered cell death was shown to require N. benthamiana Brassinosteroid insensitive 1-Associated Kinase 1 (NbBAK1), N. benthamiana suppressor of BIR1-1 (NbSOBIR1) and N. benthamiana SGT1 (NbSGT1), but was not suppressed by PiAVR3a or PexRD2. We report the identification of a novel Ascomycete PAMP, RcCDI1, recognized by Solanaceae but not by monocots, which activates cell death through a pathway that is distinct from that triggered by the oomycete PAMP INF1.</div>
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<AbstractText>Pathogen-associated molecular patterns (PAMPs) are detected by plant pattern recognition receptors (PRRs), which gives rise to PAMP-triggered immunity (PTI). We characterized a novel fungal PAMP, Cell Death Inducing 1 (RcCDI1), identified in the Rhynchosporium commune transcriptome sampled at an early stage of barley (Hordeum vulgare) infection. The ability of RcCDI1 and its homologues from different fungal species to induce cell death in Nicotiana benthamiana was tested following agroinfiltration or infiltration of recombinant proteins produced by Pichia pastoris. Virus-induced gene silencing (VIGS) and transient expression of Phytophthora infestans effectors PiAVR3a and PexRD2 were used to assess the involvement of known components of PTI in N. benthamiana responses to RcCDI1. RcCDI1 was highly upregulated early during barley colonization with R. commune. RcCDI1 and its homologues from different fungal species, including Zymoseptoria tritici, Magnaporthe oryzae and Neurospora crassa, exhibited PAMP activity, inducing cell death in Solanaceae but not in other families of dicots or monocots. RcCDI1-triggered cell death was shown to require N. benthamiana Brassinosteroid insensitive 1-Associated Kinase 1 (NbBAK1), N. benthamiana suppressor of BIR1-1 (NbSOBIR1) and N. benthamiana SGT1 (NbSGT1), but was not suppressed by PiAVR3a or PexRD2. We report the identification of a novel Ascomycete PAMP, RcCDI1, recognized by Solanaceae but not by monocots, which activates cell death through a pathway that is distinct from that triggered by the oomycete PAMP INF1.</AbstractText>
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<Author ValidYN="Y">
<LastName>Griffe</LastName>
<ForeName>Lucie L</ForeName>
<Initials>LL</Initials>
<AffiliationInfo>
<Affiliation>Cell and Molecular Sciences, James Hutton Institute, Invergowrie, Dundee, DD2 5DA, UK.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Wang</LastName>
<ForeName>Shumei</ForeName>
<Initials>S</Initials>
<AffiliationInfo>
<Affiliation>Cell and Molecular Sciences, James Hutton Institute, Invergowrie, Dundee, DD2 5DA, UK.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Birch</LastName>
<ForeName>Paul R J</ForeName>
<Initials>PRJ</Initials>
<AffiliationInfo>
<Affiliation>Division of Plant Sciences, University of Dundee (at JHI), Invergowrie, Dundee, DD2 5DA, UK.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Kanyuka</LastName>
<ForeName>Kostya</ForeName>
<Initials>K</Initials>
<Identifier Source="ORCID">http://orcid.org/0000-0001-6324-4123</Identifier>
<AffiliationInfo>
<Affiliation>Plant Biology and Crop Science Department, Rothamsted Research, Harpenden, AL5 2JQ, UK.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Avrova</LastName>
<ForeName>Anna</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Cell and Molecular Sciences, James Hutton Institute, Invergowrie, Dundee, DD2 5DA, UK.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<DataBankList CompleteYN="Y">
<DataBank>
<DataBankName>GENBANK</DataBankName>
<AccessionNumberList>
<AccessionNumber>KX499545</AccessionNumber>
<AccessionNumber>KY126839</AccessionNumber>
<AccessionNumber>CZT46230.1</AccessionNumber>
<AccessionNumber>CZT04694.1</AccessionNumber>
<AccessionNumber>CZT43859.1</AccessionNumber>
</AccessionNumberList>
</DataBank>
</DataBankList>
<GrantList CompleteYN="Y">
<Grant>
<GrantID>BB/G015244/1</GrantID>
<Agency>Biotechnology and Biological Sciences Research Council</Agency>
<Country>United Kingdom</Country>
</Grant>
</GrantList>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2017</Year>
<Month>04</Month>
<Day>07</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>England</Country>
<MedlineTA>New Phytol</MedlineTA>
<NlmUniqueID>9882884</NlmUniqueID>
<ISSNLinking>0028-646X</ISSNLinking>
</MedlineJournalInfo>
<ChemicalList>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="C562170">AVR3a protein, Phytophthora infestans</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D005656">Fungal Proteins</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D000069452">Pathogen-Associated Molecular Pattern Molecules</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D037521">Virulence Factors</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D000595" MajorTopicYN="N">Amino Acid Sequence</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D001203" MajorTopicYN="N">Ascomycota</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000472" MajorTopicYN="Y">pathogenicity</QualifierName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D016923" MajorTopicYN="N">Cell Death</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D017124" MajorTopicYN="N">Conserved Sequence</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D005656" MajorTopicYN="N">Fungal Proteins</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D001467" MajorTopicYN="N">Hordeum</DescriptorName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D054884" MajorTopicYN="N">Host-Pathogen Interactions</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000069452" MajorTopicYN="N">Pathogen-Associated Molecular Pattern Molecules</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010802" MajorTopicYN="N">Phylogeny</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D059828" MajorTopicYN="N">Plant Cells</DescriptorName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D019657" MajorTopicYN="N">Solanaceae</DescriptorName>
<QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName>
<QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D014026" MajorTopicYN="N">Tobacco</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D037521" MajorTopicYN="N">Virulence Factors</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="N">Rhynchosporium commune </Keyword>
<Keyword MajorTopicYN="N">Ascomycete</Keyword>
<Keyword MajorTopicYN="N">Solanaceae</Keyword>
<Keyword MajorTopicYN="N">cell death</Keyword>
<Keyword MajorTopicYN="N">elicitor</Keyword>
<Keyword MajorTopicYN="N">fungal</Keyword>
<Keyword MajorTopicYN="N">pathogen</Keyword>
<Keyword MajorTopicYN="N">pathogen-associated molecular pattern (PAMP)</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData>
<History>
<PubMedPubDate PubStatus="received">
<Year>2016</Year>
<Month>07</Month>
<Day>04</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2017</Year>
<Month>02</Month>
<Day>15</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="pubmed">
<Year>2017</Year>
<Month>4</Month>
<Day>8</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline">
<Year>2018</Year>
<Month>2</Month>
<Day>23</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2017</Year>
<Month>4</Month>
<Day>8</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">28386988</ArticleId>
<ArticleId IdType="doi">10.1111/nph.14542</ArticleId>
</ArticleIdList>
</PubmedData>
</pubmed>
<affiliations>
<list>
<country>
<li>Royaume-Uni</li>
</country>
</list>
<tree>
<country name="Royaume-Uni">
<noRegion>
<name sortKey="Franco Orozco, Barbara" sort="Franco Orozco, Barbara" uniqKey="Franco Orozco B" first="Barbara" last="Franco-Orozco">Barbara Franco-Orozco</name>
</noRegion>
<name sortKey="Avrova, Anna" sort="Avrova, Anna" uniqKey="Avrova A" first="Anna" last="Avrova">Anna Avrova</name>
<name sortKey="Berepiki, Adokiye" sort="Berepiki, Adokiye" uniqKey="Berepiki A" first="Adokiye" last="Berepiki">Adokiye Berepiki</name>
<name sortKey="Birch, Paul R J" sort="Birch, Paul R J" uniqKey="Birch P" first="Paul R J" last="Birch">Paul R J. Birch</name>
<name sortKey="Gamble, Louise" sort="Gamble, Louise" uniqKey="Gamble L" first="Louise" last="Gamble">Louise Gamble</name>
<name sortKey="Griffe, Lucie L" sort="Griffe, Lucie L" uniqKey="Griffe L" first="Lucie L" last="Griffe">Lucie L. Griffe</name>
<name sortKey="Kanyuka, Kostya" sort="Kanyuka, Kostya" uniqKey="Kanyuka K" first="Kostya" last="Kanyuka">Kostya Kanyuka</name>
<name sortKey="Ruiz, Olaya" sort="Ruiz, Olaya" uniqKey="Ruiz O" first="Olaya" last="Ruiz">Olaya Ruiz</name>
<name sortKey="Wang, Shumei" sort="Wang, Shumei" uniqKey="Wang S" first="Shumei" last="Wang">Shumei Wang</name>
</country>
</tree>
</affiliations>
</record>

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