Host-Pathogen Interactions : XXXII. A Fungal Glucan Preparation Protects Nicotianae against Infection by Viruses.
Identifieur interne : 002D49 ( Main/Exploration ); précédent : 002D48; suivant : 002D50Host-Pathogen Interactions : XXXII. A Fungal Glucan Preparation Protects Nicotianae against Infection by Viruses.
Auteurs : M. Kopp [France] ; J. Rouster ; B. Fritig ; A. Darvill ; P. AlbersheimSource :
- Plant physiology [ 0032-0889 ] ; 1989.
Abstract
A glucan preparation obtained from the mycelial walls of the fungus Phytophthora megasperma f.sp. glycinea and known as an elicitor of phytoalexins in soybean was shown to be a very efficient inducer of resistance against viruses in tobacco. The glucan preparation protected against mechanically transmitted viral infections on the upper and lower leaf surfaces. Whether the glucan preparation was applied by injection, inoculation, or spraying, it protected the plants if applied before, at the same time as, or not later than 8 hours after virus inoculation. At concentrations ranging from 0.1 to 10 micrograms per milliliter, the glucan preparation induced protection ranging from 50 to 100% against both symptom production (necrotic local lesions, necrotic rings, or systemic mosaic) and virus accumulation in all Nicotiana-virus combinations examined. However, no significant protection against some of the same viruses was observed in bean or turnip. The host plants successfully protected included N. tabacum (9 different cultivars), N. sylvestris, N. glutinosa, and N. clevelandii. The viruses belonged to several taxonomic groups including tobacco mosaic virus, alfalfa mosaic virus, and tomato black ring virus. The glucan preparation did not act directly on the virus and did not interfere with virus disassembly; rather, it appeared to induce changes in the host plant that prevented infections from being initiated or recently established infections from enlarging. The induced resistance does not depend on induction of pathogenesis-related proteins, the phenylpropanoid pathway, lignin-like substances, or callose-like materials. We believe the induced resistance results from a mechanism that has yet to be described.
DOI: 10.1104/pp.90.1.208
PubMed: 16666737
PubMed Central: PMC1061700
Affiliations:
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Kopp</name><affiliation wicri:level="3"><nlm:affiliation>Institut de Biologie Moléculaire des Plantes du Centre National de la Recherche Scientifique, 12, rue du Général Zimmer, 67000 Strasbourg, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Institut de Biologie Moléculaire des Plantes du Centre National de la Recherche Scientifique, 12, rue du Général Zimmer, 67000 Strasbourg</wicri:regionArea><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName></affiliation></author><author><name sortKey="Rouster, J" sort="Rouster, J" uniqKey="Rouster J" first="J" last="Rouster">J. Rouster</name></author><author><name sortKey="Fritig, B" sort="Fritig, B" uniqKey="Fritig B" first="B" last="Fritig">B. Fritig</name></author><author><name sortKey="Darvill, A" sort="Darvill, A" uniqKey="Darvill A" first="A" last="Darvill">A. 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A Fungal Glucan Preparation Protects Nicotianae against Infection by Viruses.</title><author><name sortKey="Kopp, M" sort="Kopp, M" uniqKey="Kopp M" first="M" last="Kopp">M. Kopp</name><affiliation wicri:level="3"><nlm:affiliation>Institut de Biologie Moléculaire des Plantes du Centre National de la Recherche Scientifique, 12, rue du Général Zimmer, 67000 Strasbourg, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Institut de Biologie Moléculaire des Plantes du Centre National de la Recherche Scientifique, 12, rue du Général Zimmer, 67000 Strasbourg</wicri:regionArea><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName></affiliation></author><author><name sortKey="Rouster, J" sort="Rouster, J" uniqKey="Rouster J" first="J" last="Rouster">J. Rouster</name></author><author><name sortKey="Fritig, B" sort="Fritig, B" uniqKey="Fritig B" first="B" last="Fritig">B. Fritig</name></author><author><name sortKey="Darvill, A" sort="Darvill, A" uniqKey="Darvill A" first="A" last="Darvill">A. Darvill</name></author><author><name sortKey="Albersheim, P" sort="Albersheim, P" uniqKey="Albersheim P" first="P" last="Albersheim">P. Albersheim</name></author></analytic><series><title level="j">Plant physiology</title><idno type="ISSN">0032-0889</idno><imprint><date when="1989" type="published">1989</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A glucan preparation obtained from the mycelial walls of the fungus Phytophthora megasperma f.sp. glycinea and known as an elicitor of phytoalexins in soybean was shown to be a very efficient inducer of resistance against viruses in tobacco. The glucan preparation protected against mechanically transmitted viral infections on the upper and lower leaf surfaces. Whether the glucan preparation was applied by injection, inoculation, or spraying, it protected the plants if applied before, at the same time as, or not later than 8 hours after virus inoculation. At concentrations ranging from 0.1 to 10 micrograms per milliliter, the glucan preparation induced protection ranging from 50 to 100% against both symptom production (necrotic local lesions, necrotic rings, or systemic mosaic) and virus accumulation in all Nicotiana-virus combinations examined. However, no significant protection against some of the same viruses was observed in bean or turnip. The host plants successfully protected included N. tabacum (9 different cultivars), N. sylvestris, N. glutinosa, and N. clevelandii. The viruses belonged to several taxonomic groups including tobacco mosaic virus, alfalfa mosaic virus, and tomato black ring virus. The glucan preparation did not act directly on the virus and did not interfere with virus disassembly; rather, it appeared to induce changes in the host plant that prevented infections from being initiated or recently established infections from enlarging. The induced resistance does not depend on induction of pathogenesis-related proteins, the phenylpropanoid pathway, lignin-like substances, or callose-like materials. We believe the induced resistance results from a mechanism that has yet to be described.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">16666737</PMID><DateCompleted><Year>2010</Year><Month>06</Month><Day>29</Day></DateCompleted><DateRevised><Year>2019</Year><Month>05</Month><Day>14</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0032-0889</ISSN><JournalIssue CitedMedium="Print"><Volume>90</Volume><Issue>1</Issue><PubDate><Year>1989</Year><Month>May</Month></PubDate></JournalIssue><Title>Plant physiology</Title><ISOAbbreviation>Plant Physiol</ISOAbbreviation></Journal><ArticleTitle>Host-Pathogen Interactions : XXXII. A Fungal Glucan Preparation Protects Nicotianae against Infection by Viruses.</ArticleTitle><Pagination><MedlinePgn>208-16</MedlinePgn></Pagination><Abstract><AbstractText>A glucan preparation obtained from the mycelial walls of the fungus Phytophthora megasperma f.sp. glycinea and known as an elicitor of phytoalexins in soybean was shown to be a very efficient inducer of resistance against viruses in tobacco. The glucan preparation protected against mechanically transmitted viral infections on the upper and lower leaf surfaces. Whether the glucan preparation was applied by injection, inoculation, or spraying, it protected the plants if applied before, at the same time as, or not later than 8 hours after virus inoculation. At concentrations ranging from 0.1 to 10 micrograms per milliliter, the glucan preparation induced protection ranging from 50 to 100% against both symptom production (necrotic local lesions, necrotic rings, or systemic mosaic) and virus accumulation in all Nicotiana-virus combinations examined. However, no significant protection against some of the same viruses was observed in bean or turnip. The host plants successfully protected included N. tabacum (9 different cultivars), N. sylvestris, N. glutinosa, and N. clevelandii. The viruses belonged to several taxonomic groups including tobacco mosaic virus, alfalfa mosaic virus, and tomato black ring virus. The glucan preparation did not act directly on the virus and did not interfere with virus disassembly; rather, it appeared to induce changes in the host plant that prevented infections from being initiated or recently established infections from enlarging. The induced resistance does not depend on induction of pathogenesis-related proteins, the phenylpropanoid pathway, lignin-like substances, or callose-like materials. We believe the induced resistance results from a mechanism that has yet to be described.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kopp</LastName><ForeName>M</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Institut de Biologie Moléculaire des Plantes du Centre National de la Recherche Scientifique, 12, rue du Général Zimmer, 67000 Strasbourg, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rouster</LastName><ForeName>J</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Fritig</LastName><ForeName>B</ForeName><Initials>B</Initials></Author><Author ValidYN="Y"><LastName>Darvill</LastName><ForeName>A</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Albersheim</LastName><ForeName>P</ForeName><Initials>P</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Physiol</MedlineTA><NlmUniqueID>0401224</NlmUniqueID><ISSNLinking>0032-0889</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1989</Year><Month>5</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1989</Year><Month>5</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1989</Year><Month>5</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16666737</ArticleId><ArticleId IdType="pmc">PMC1061700</ArticleId><ArticleId IdType="doi">10.1104/pp.90.1.208</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>J Cell Biol. 1978 Sep;78(3):627-43</Citation><ArticleIdList><ArticleId IdType="pubmed">359568</ArticleId></ArticleIdList></Reference><Reference><Citation>Science. 1986 May 9;232(4751):738-43</Citation><ArticleIdList><ArticleId IdType="pubmed">3457472</ArticleId></ArticleIdList></Reference><Reference><Citation>J Gen Virol. 1974 Jul;24(1):211-3</Citation><ArticleIdList><ArticleId IdType="pubmed">4858435</ArticleId></ArticleIdList></Reference><Reference><Citation>J Biol Chem. 1984 Sep 25;259(18):11312-20</Citation><ArticleIdList><ArticleId IdType="pubmed">6540778</ArticleId></ArticleIdList></Reference><Reference><Citation>J Virol Methods. 1983 Jun;6(6):347-56</Citation><ArticleIdList><ArticleId IdType="pubmed">6885955</ArticleId></ArticleIdList></Reference><Reference><Citation>Immunol Commun. 1980;9(5):475-93</Citation><ArticleIdList><ArticleId IdType="pubmed">7429529</ArticleId></ArticleIdList></Reference><Reference><Citation>Adv Virus Res. 1954;2:31-57</Citation><ArticleIdList><ArticleId IdType="pubmed">13228256</ArticleId></ArticleIdList></Reference><Reference><Citation>EMBO J. 1987 Nov;6(11):3209-12</Citation><ArticleIdList><ArticleId IdType="pubmed">16453802</ArticleId></ArticleIdList></Reference><Reference><Citation>Proc Natl Acad Sci U S A. 1987 Oct;84(19):6750-4</Citation><ArticleIdList><ArticleId IdType="pubmed">16578819</ArticleId></ArticleIdList></Reference><Reference><Citation>Plant Physiol. 1976 May;57(5):760-5</Citation><ArticleIdList><ArticleId IdType="pubmed">16659566</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>France</li></country><region><li>Alsace (région administrative)</li><li>Grand Est</li></region><settlement><li>Strasbourg</li></settlement></list><tree><noCountry><name sortKey="Albersheim, P" sort="Albersheim, P" uniqKey="Albersheim P" first="P" last="Albersheim">P. Albersheim</name><name sortKey="Darvill, A" sort="Darvill, A" uniqKey="Darvill A" first="A" last="Darvill">A. Darvill</name><name sortKey="Fritig, B" sort="Fritig, B" uniqKey="Fritig B" first="B" last="Fritig">B. Fritig</name><name sortKey="Rouster, J" sort="Rouster, J" uniqKey="Rouster J" first="J" last="Rouster">J. Rouster</name></noCountry><country name="France"><region name="Grand Est"><name sortKey="Kopp, M" sort="Kopp, M" uniqKey="Kopp M" first="M" last="Kopp">M. Kopp</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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