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Hormone and secondary metabolite profiling in chestnut during susceptible and resistant interactions with Phytophthora cinnamomi.

Identifieur interne : 000481 ( Main/Exploration ); précédent : 000480; suivant : 000482

Hormone and secondary metabolite profiling in chestnut during susceptible and resistant interactions with Phytophthora cinnamomi.

Auteurs : Álvaro Camis N [Espagne] ; M Ngela Martín [Espagne] ; Paloma Sánchez-Bel [Espagne] ; Víctor Flors [Espagne] ; Francisco Alcaide [Espagne] ; David Morcuende [Espagne] ; Gl Ria Pinto [Portugal] ; Alejandro Solla [Espagne]

Source :

RBID : pubmed:31493717

Descripteurs français

English descriptors

Abstract

Phytophthora cinnamomi (Pc) is a dangerous pathogen that causes root rot (ink disease) and threatens the production of chestnuts worldwide. Despite all the advances recently reported at molecular and physiological level, there are still gaps of knowledge that would help to unveil the defence mechanisms behind plant-Pc interactions. Bearing this in mind we quantified constitutive and Pc-induced stress-related signals (hormones and metabolites) complemented with changes in photosynthetic related parameters by exploring susceptible and resistant Castanea spp.-Pc interactions. In a greenhouse experiment, five days before and nine days after inoculation with Pc, leaves and fine roots from susceptible C. sativa and resistant C. sativa × C. crenata clonal 2-year-old plantlets were sampled (clones Cs14 and 111-1, respectively). In the resistant clone, stomatal conductance (gs) and net photosynthesis (A) decreased significantly and soluble sugars in leaves increased, while in the susceptible clone gs and A remained unchanged and proline levels in leaves increased. In the resistant clone, higher constitutive content of root SA and foliar ABA, JA and JA-Ile as compared to the susceptible clone were observed. Total phenolics and condensed tannins were highest in roots of the susceptible clone. In response to infection, a dynamic hormonal response in the resistant clone was observed, consisting of accumulation of JA, JA-Ile and ABA in roots and depletion of total phenolics in leaves. However, in the susceptible clone only JA diminished in leaves and increased in roots. Constitutive and Pc-induced levels of JA-Ile were only detectable in the resistant clone. From the hormonal profiles obtained in leaves and roots before and after infection, it is concluded that the lack of effective hormonal changes in C. sativa explains the lack of defence responses to Pc of this susceptible species.

DOI: 10.1016/j.jplph.2019.153030
PubMed: 31493717


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Le document en format XML

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<div type="abstract" xml:lang="en">Phytophthora cinnamomi (Pc) is a dangerous pathogen that causes root rot (ink disease) and threatens the production of chestnuts worldwide. Despite all the advances recently reported at molecular and physiological level, there are still gaps of knowledge that would help to unveil the defence mechanisms behind plant-Pc interactions. Bearing this in mind we quantified constitutive and Pc-induced stress-related signals (hormones and metabolites) complemented with changes in photosynthetic related parameters by exploring susceptible and resistant Castanea spp.-Pc interactions. In a greenhouse experiment, five days before and nine days after inoculation with Pc, leaves and fine roots from susceptible C. sativa and resistant C. sativa × C. crenata clonal 2-year-old plantlets were sampled (clones Cs14 and 111-1, respectively). In the resistant clone, stomatal conductance (g
<sub>s</sub>
) and net photosynthesis (A) decreased significantly and soluble sugars in leaves increased, while in the susceptible clone g
<sub>s</sub>
and A remained unchanged and proline levels in leaves increased. In the resistant clone, higher constitutive content of root SA and foliar ABA, JA and JA-Ile as compared to the susceptible clone were observed. Total phenolics and condensed tannins were highest in roots of the susceptible clone. In response to infection, a dynamic hormonal response in the resistant clone was observed, consisting of accumulation of JA, JA-Ile and ABA in roots and depletion of total phenolics in leaves. However, in the susceptible clone only JA diminished in leaves and increased in roots. Constitutive and Pc-induced levels of JA-Ile were only detectable in the resistant clone. From the hormonal profiles obtained in leaves and roots before and after infection, it is concluded that the lack of effective hormonal changes in C. sativa explains the lack of defence responses to Pc of this susceptible species.</div>
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<AbstractText>Phytophthora cinnamomi (Pc) is a dangerous pathogen that causes root rot (ink disease) and threatens the production of chestnuts worldwide. Despite all the advances recently reported at molecular and physiological level, there are still gaps of knowledge that would help to unveil the defence mechanisms behind plant-Pc interactions. Bearing this in mind we quantified constitutive and Pc-induced stress-related signals (hormones and metabolites) complemented with changes in photosynthetic related parameters by exploring susceptible and resistant Castanea spp.-Pc interactions. In a greenhouse experiment, five days before and nine days after inoculation with Pc, leaves and fine roots from susceptible C. sativa and resistant C. sativa × C. crenata clonal 2-year-old plantlets were sampled (clones Cs14 and 111-1, respectively). In the resistant clone, stomatal conductance (g
<sub>s</sub>
) and net photosynthesis (A) decreased significantly and soluble sugars in leaves increased, while in the susceptible clone g
<sub>s</sub>
and A remained unchanged and proline levels in leaves increased. In the resistant clone, higher constitutive content of root SA and foliar ABA, JA and JA-Ile as compared to the susceptible clone were observed. Total phenolics and condensed tannins were highest in roots of the susceptible clone. In response to infection, a dynamic hormonal response in the resistant clone was observed, consisting of accumulation of JA, JA-Ile and ABA in roots and depletion of total phenolics in leaves. However, in the susceptible clone only JA diminished in leaves and increased in roots. Constitutive and Pc-induced levels of JA-Ile were only detectable in the resistant clone. From the hormonal profiles obtained in leaves and roots before and after infection, it is concluded that the lack of effective hormonal changes in C. sativa explains the lack of defence responses to Pc of this susceptible species.</AbstractText>
<CopyrightInformation>Copyright © 2019 Elsevier GmbH. All rights reserved.</CopyrightInformation>
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<Affiliation>Escuela Superior de Tecnología y Ciencias Experimentales, Universidad Jaume I, Avenida Vicent Sos Baynat s/n, 12071, Castellón de la Plana, Spain.</Affiliation>
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<LastName>Alcaide</LastName>
<ForeName>Francisco</ForeName>
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<Affiliation>Institute for Dehesa Research (INDEHESA), Ingeniería Forestal y del Medio Natural, Universidad de Extremadura, Avenida Virgen del Puerto 2, 10600, Plasencia, Spain.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Morcuende</LastName>
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<Initials>D</Initials>
<AffiliationInfo>
<Affiliation>IPROCAR Research Institute, TECAL Research Group, University of Extremadura, Avenida de las Ciencias s/n, 10003, Cáceres, Spain.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Pinto</LastName>
<ForeName>Glória</ForeName>
<Initials>G</Initials>
<AffiliationInfo>
<Affiliation>Department of Biology, Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal.</Affiliation>
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</Author>
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<LastName>Solla</LastName>
<ForeName>Alejandro</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Institute for Dehesa Research (INDEHESA), Ingeniería Forestal y del Medio Natural, Universidad de Extremadura, Avenida Virgen del Puerto 2, 10600, Plasencia, Spain. Electronic address: asolla@unex.es.</Affiliation>
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</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2019</Year>
<Month>08</Month>
<Day>26</Day>
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</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="D010937">Plant Growth Regulators</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
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<MeshHeading>
<DescriptorName UI="D060467" MajorTopicYN="Y">Disease Resistance</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D029962" MajorTopicYN="N">Fagaceae</DescriptorName>
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</MeshHeading>
<MeshHeading>
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<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010838" MajorTopicYN="Y">Phytophthora</DescriptorName>
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<MeshHeading>
<DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName>
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<MeshHeading>
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<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName>
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</MeshHeading>
<MeshHeading>
<DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
</MeshHeadingList>
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<Keyword MajorTopicYN="N">Crosstalk</Keyword>
<Keyword MajorTopicYN="N">Hormonal profiling</Keyword>
<Keyword MajorTopicYN="N">Induced defence</Keyword>
<Keyword MajorTopicYN="N">Jasmonates</Keyword>
<Keyword MajorTopicYN="N">Oomycetes</Keyword>
<Keyword MajorTopicYN="N">Stress signalling</Keyword>
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</MedlineCitation>
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<Year>2019</Year>
<Month>05</Month>
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<PubMedPubDate PubStatus="revised">
<Year>2019</Year>
<Month>08</Month>
<Day>13</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2019</Year>
<Month>08</Month>
<Day>14</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="pubmed">
<Year>2019</Year>
<Month>9</Month>
<Day>8</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="medline">
<Year>2020</Year>
<Month>2</Month>
<Day>11</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="entrez">
<Year>2019</Year>
<Month>9</Month>
<Day>8</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">31493717</ArticleId>
<ArticleId IdType="pii">S0176-1617(19)30144-0</ArticleId>
<ArticleId IdType="doi">10.1016/j.jplph.2019.153030</ArticleId>
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</pubmed>
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<li>Espagne</li>
<li>Portugal</li>
</country>
<region>
<li>Estrémadure</li>
</region>
<settlement>
<li>Mérida (Espagne)</li>
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<orgName>
<li>Université d'Estrémadure</li>
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<name sortKey="Camis N, Alvaro" sort="Camis N, Alvaro" uniqKey="Camis N A" first="Álvaro" last="Camis N">Álvaro Camis N</name>
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<name sortKey="Alcaide, Francisco" sort="Alcaide, Francisco" uniqKey="Alcaide F" first="Francisco" last="Alcaide">Francisco Alcaide</name>
<name sortKey="Flors, Victor" sort="Flors, Victor" uniqKey="Flors V" first="Víctor" last="Flors">Víctor Flors</name>
<name sortKey="Martin, M Ngela" sort="Martin, M Ngela" uniqKey="Martin M" first="M Ngela" last="Martín">M Ngela Martín</name>
<name sortKey="Morcuende, David" sort="Morcuende, David" uniqKey="Morcuende D" first="David" last="Morcuende">David Morcuende</name>
<name sortKey="Sanchez Bel, Paloma" sort="Sanchez Bel, Paloma" uniqKey="Sanchez Bel P" first="Paloma" last="Sánchez-Bel">Paloma Sánchez-Bel</name>
<name sortKey="Solla, Alejandro" sort="Solla, Alejandro" uniqKey="Solla A" first="Alejandro" last="Solla">Alejandro Solla</name>
</country>
<country name="Portugal">
<noRegion>
<name sortKey="Pinto, Gl Ria" sort="Pinto, Gl Ria" uniqKey="Pinto G" first="Gl Ria" last="Pinto">Gl Ria Pinto</name>
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</country>
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</affiliations>
</record>

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