Characterization of an Arabidopsis-Phytophthora pathosystem: resistance requires a functional PAD2 gene and is independent of salicylic acid, ethylene and jasmonic acid signalling.
Identifieur interne : 002740 ( Main/Exploration ); précédent : 002739; suivant : 002741Characterization of an Arabidopsis-Phytophthora pathosystem: resistance requires a functional PAD2 gene and is independent of salicylic acid, ethylene and jasmonic acid signalling.
Auteurs : A. Roetschi [Suisse] ; A. Si-Ammour ; L. Belbahri ; F. Mauch ; B. Mauch-ManiSource :
- The Plant journal : for cell and molecular biology [ 0960-7412 ] ; 2001.
Descripteurs français
- KwdFr :
- Acide salicylique (métabolisme), Arabidopsis (génétique), Arabidopsis (microbiologie), Cyclopentanes (métabolisme), Gènes de plante (MeSH), Indoles (métabolisme), Mutation (MeSH), Oxylipines (MeSH), Phytophthora (pathogénicité), Phytophthora (physiologie), Thiazoles (métabolisme), Transduction du signal (MeSH), Éthylènes (métabolisme).
- MESH :
- génétique : Arabidopsis.
- microbiologie : Arabidopsis.
- métabolisme : Acide salicylique, Cyclopentanes, Indoles, Thiazoles, Éthylènes.
- pathogénicité : Phytophthora.
- physiologie : Phytophthora.
- Gènes de plante, Mutation, Oxylipines, Transduction du signal.
English descriptors
- KwdEn :
- Arabidopsis (genetics), Arabidopsis (microbiology), Cyclopentanes (metabolism), Ethylenes (metabolism), Genes, Plant (MeSH), Indoles (metabolism), Mutation (MeSH), Oxylipins (MeSH), Phytophthora (pathogenicity), Phytophthora (physiology), Salicylic Acid (metabolism), Signal Transduction (MeSH), Thiazoles (metabolism).
- MESH :
- chemical , metabolism : Cyclopentanes, Ethylenes, Indoles, Salicylic Acid, Thiazoles.
- genetics : Arabidopsis.
- microbiology : Arabidopsis.
- pathogenicity : Phytophthora.
- physiology : Phytophthora.
- Genes, Plant, Mutation, Oxylipins, Signal Transduction.
Abstract
Arabidopsis accessions were screened with isolates of Phytophthora porri originally isolated from other crucifer species. The described Arabidopsis-Phytophthora pathosystem shows the characteristics of a facultative biotrophic interaction similar to that seen in agronomically important diseases caused by Phytophthora species. In susceptible accessions, extensive colonization of the host tissue occurred and sexual and asexual spores were formed. In incompatible combinations, the plants reacted with a hypersensitive response (HR) and the formation of papillae at the sites of attempted penetration. Defence pathway mutants such as jar1 (jasmonic acid-insensitive), etr1 (ethylene receptor mutant) and ein2 (ethylene-insensitive) remained resistant towards P. porri. However, pad2, a mutant with reduced production of the phytoalexin camalexin, was hyper-susceptible. The accumulation of salicylic acid (SA) and PR1 protein was strongly reduced in pad2. Surprisingly, this lack of SA accumulation does not appear to be the cause of the hyper-susceptibility because interference with SA signalling in nahG plants or sid2 or npr1 mutants had only a minor effect on resistance. In addition, the functional SA analogue benzothiadiazol (BTH) did not induce resistance in susceptible plants including pad2. Similarly, the complete blockage of camalexin biosynthesis in pad3 did not cause susceptibility. Resistance of Arabidopsis against P. porri appears to depend on unknown defence mechanisms that are under the control of PAD2.
DOI: 10.1046/j.1365-313x.2001.01148.x
PubMed: 11722772
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Mauch-Mani</name></author></analytic><series><title level="j">The Plant journal : for cell and molecular biology</title><idno type="ISSN">0960-7412</idno><imprint><date when="2001" type="published">2001</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Arabidopsis (genetics)</term><term>Arabidopsis (microbiology)</term><term>Cyclopentanes (metabolism)</term><term>Ethylenes (metabolism)</term><term>Genes, Plant (MeSH)</term><term>Indoles (metabolism)</term><term>Mutation (MeSH)</term><term>Oxylipins (MeSH)</term><term>Phytophthora (pathogenicity)</term><term>Phytophthora (physiology)</term><term>Salicylic Acid (metabolism)</term><term>Signal Transduction (MeSH)</term><term>Thiazoles (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acide salicylique (métabolisme)</term><term>Arabidopsis (génétique)</term><term>Arabidopsis (microbiologie)</term><term>Cyclopentanes (métabolisme)</term><term>Gènes de plante (MeSH)</term><term>Indoles (métabolisme)</term><term>Mutation (MeSH)</term><term>Oxylipines (MeSH)</term><term>Phytophthora (pathogénicité)</term><term>Phytophthora (physiologie)</term><term>Thiazoles (métabolisme)</term><term>Transduction du signal (MeSH)</term><term>Éthylènes (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Cyclopentanes</term><term>Ethylenes</term><term>Indoles</term><term>Salicylic Acid</term><term>Thiazoles</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Arabidopsis</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Arabidopsis</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Arabidopsis</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Arabidopsis</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Acide salicylique</term><term>Cyclopentanes</term><term>Indoles</term><term>Thiazoles</term><term>Éthylènes</term></keywords><keywords scheme="MESH" qualifier="pathogenicity" xml:lang="en"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="pathogénicité" xml:lang="fr"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Phytophthora</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Genes, Plant</term><term>Mutation</term><term>Oxylipins</term><term>Signal Transduction</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Gènes de plante</term><term>Mutation</term><term>Oxylipines</term><term>Transduction du signal</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Arabidopsis accessions were screened with isolates of Phytophthora porri originally isolated from other crucifer species. The described Arabidopsis-Phytophthora pathosystem shows the characteristics of a facultative biotrophic interaction similar to that seen in agronomically important diseases caused by Phytophthora species. In susceptible accessions, extensive colonization of the host tissue occurred and sexual and asexual spores were formed. In incompatible combinations, the plants reacted with a hypersensitive response (HR) and the formation of papillae at the sites of attempted penetration. Defence pathway mutants such as jar1 (jasmonic acid-insensitive), etr1 (ethylene receptor mutant) and ein2 (ethylene-insensitive) remained resistant towards P. porri. However, pad2, a mutant with reduced production of the phytoalexin camalexin, was hyper-susceptible. The accumulation of salicylic acid (SA) and PR1 protein was strongly reduced in pad2. Surprisingly, this lack of SA accumulation does not appear to be the cause of the hyper-susceptibility because interference with SA signalling in nahG plants or sid2 or npr1 mutants had only a minor effect on resistance. In addition, the functional SA analogue benzothiadiazol (BTH) did not induce resistance in susceptible plants including pad2. Similarly, the complete blockage of camalexin biosynthesis in pad3 did not cause susceptibility. Resistance of Arabidopsis against P. porri appears to depend on unknown defence mechanisms that are under the control of PAD2.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">11722772</PMID><DateCompleted><Year>2002</Year><Month>04</Month><Day>24</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>06</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0960-7412</ISSN><JournalIssue CitedMedium="Print"><Volume>28</Volume><Issue>3</Issue><PubDate><Year>2001</Year><Month>Nov</Month></PubDate></JournalIssue><Title>The Plant journal : for cell and molecular biology</Title><ISOAbbreviation>Plant J</ISOAbbreviation></Journal><ArticleTitle>Characterization of an Arabidopsis-Phytophthora pathosystem: resistance requires a functional PAD2 gene and is independent of salicylic acid, ethylene and jasmonic acid signalling.</ArticleTitle><Pagination><MedlinePgn>293-305</MedlinePgn></Pagination><Abstract><AbstractText>Arabidopsis accessions were screened with isolates of Phytophthora porri originally isolated from other crucifer species. The described Arabidopsis-Phytophthora pathosystem shows the characteristics of a facultative biotrophic interaction similar to that seen in agronomically important diseases caused by Phytophthora species. In susceptible accessions, extensive colonization of the host tissue occurred and sexual and asexual spores were formed. In incompatible combinations, the plants reacted with a hypersensitive response (HR) and the formation of papillae at the sites of attempted penetration. Defence pathway mutants such as jar1 (jasmonic acid-insensitive), etr1 (ethylene receptor mutant) and ein2 (ethylene-insensitive) remained resistant towards P. porri. However, pad2, a mutant with reduced production of the phytoalexin camalexin, was hyper-susceptible. The accumulation of salicylic acid (SA) and PR1 protein was strongly reduced in pad2. Surprisingly, this lack of SA accumulation does not appear to be the cause of the hyper-susceptibility because interference with SA signalling in nahG plants or sid2 or npr1 mutants had only a minor effect on resistance. In addition, the functional SA analogue benzothiadiazol (BTH) did not induce resistance in susceptible plants including pad2. Similarly, the complete blockage of camalexin biosynthesis in pad3 did not cause susceptibility. Resistance of Arabidopsis against P. porri appears to depend on unknown defence mechanisms that are under the control of PAD2.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Roetschi</LastName><ForeName>A</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Department of Biology, University of Fribourg, CH-1700 Fribourg, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Si-Ammour</LastName><ForeName>A</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Belbahri</LastName><ForeName>L</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>Mauch</LastName><ForeName>F</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Mauch-Mani</LastName><ForeName>B</ForeName><Initials>B</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></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Plant J</MedlineTA><NlmUniqueID>9207397</NlmUniqueID><ISSNLinking>0960-7412</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D003517">Cyclopentanes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005030">Ethylenes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007211">Indoles</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D054883">Oxylipins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D013844">Thiazoles</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="C102405">camalexin</NameOfSubstance></Chemical><Chemical><RegistryNumber>6RI5N05OWW</RegistryNumber><NameOfSubstance 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MajorTopicYN="N">Thiazoles</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2001</Year><Month>11</Month><Day>28</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2002</Year><Month>4</Month><Day>25</Day><Hour>10</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2001</Year><Month>11</Month><Day>28</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">11722772</ArticleId><ArticleId IdType="pii">1148</ArticleId><ArticleId IdType="doi">10.1046/j.1365-313x.2001.01148.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Suisse</li></country><region><li>Canton de 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Belbahri</name><name sortKey="Mauch Mani, B" sort="Mauch Mani, B" uniqKey="Mauch Mani B" first="B" last="Mauch-Mani">B. Mauch-Mani</name><name sortKey="Mauch, F" sort="Mauch, F" uniqKey="Mauch F" first="F" last="Mauch">F. Mauch</name><name sortKey="Si Ammour, A" sort="Si Ammour, A" uniqKey="Si Ammour A" first="A" last="Si-Ammour">A. Si-Ammour</name></noCountry><country name="Suisse"><region name="Canton de Fribourg"><name sortKey="Roetschi, A" sort="Roetschi, A" uniqKey="Roetschi A" first="A" last="Roetschi">A. Roetschi</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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