[Immunosuppressors in pathogenesis of potato-pathogen blight].
Identifieur interne : 002740 ( Main/Corpus ); précédent : 002739; suivant : 002741[Immunosuppressors in pathogenesis of potato-pathogen blight].
Auteurs : O L Ozeretskovskaia ; N I Vasiukova ; E A Perekhod ; G I Chalenko ; L I Il'Inskaia ; N G GerasimovaSource :
- Prikladnaia biokhimiia i mikrobiologiia [ 0555-1099 ]
English descriptors
- KwdEn :
- MESH :
- chemical , physiology : Glucans, Oligosaccharides.
- immunology : Phytophthora, Solanum tuberosum.
- pathogenicity : Phytophthora.
- Plant Diseases, beta-Glucans.
Abstract
The properties and effects of two plant resistance suppressors (1,3-beta-1,6-beta-glucan and a pentasaccharide of xyloglucan origin) involved in the pathosystem of potato (Solanum tuberosum) and the causal agent of blight (Phytophthora infestans (Mont) de Bary) were compared. The microbial 1,3-beta-1,6-beta-glucan suppressed the defense response over a narrow concentration range (10(-2) M), whereas the plant pentasaccharide had a broad range of effective concentrations (10(-12) to 10(-6) M). In the pathosystem of potato-causal agent of late blight, the beta-glucan caused a local and race-specific suppressor effect on the plant host defense response. In contrast, the pentasaccharide caused both local and systemic suppression of potato resistance, and the presence of terminal fucosyl residue in the xyloglucan oligosaccharine played a decisive role in its effect. The recognition of both suppressors by potato cell membrane sites is discussed.
PubMed: 11605474
Links to Exploration step
pubmed:11605474Le document en format XML
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<author><name sortKey="Ozeretskovskaia, O L" sort="Ozeretskovskaia, O L" uniqKey="Ozeretskovskaia O" first="O L" last="Ozeretskovskaia">O L Ozeretskovskaia</name>
<affiliation><nlm:affiliation>Bach Institute of Biochemistry, Russian Academy of Sciences, Leninskii pr. 33, Moscow, 117071 Russia.</nlm:affiliation>
</affiliation>
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<author><name sortKey="Vasiukova, N I" sort="Vasiukova, N I" uniqKey="Vasiukova N" first="N I" last="Vasiukova">N I Vasiukova</name>
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<author><name sortKey="Perekhod, E A" sort="Perekhod, E A" uniqKey="Perekhod E" first="E A" last="Perekhod">E A Perekhod</name>
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<author><name sortKey="Chalenko, G I" sort="Chalenko, G I" uniqKey="Chalenko G" first="G I" last="Chalenko">G I Chalenko</name>
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<author><name sortKey="Il Inskaia, L I" sort="Il Inskaia, L I" uniqKey="Il Inskaia L" first="L I" last="Il'Inskaia">L I Il'Inskaia</name>
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<author><name sortKey="Gerasimova, N G" sort="Gerasimova, N G" uniqKey="Gerasimova N" first="N G" last="Gerasimova">N G Gerasimova</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">[Immunosuppressors in pathogenesis of potato-pathogen blight].</title>
<author><name sortKey="Ozeretskovskaia, O L" sort="Ozeretskovskaia, O L" uniqKey="Ozeretskovskaia O" first="O L" last="Ozeretskovskaia">O L Ozeretskovskaia</name>
<affiliation><nlm:affiliation>Bach Institute of Biochemistry, Russian Academy of Sciences, Leninskii pr. 33, Moscow, 117071 Russia.</nlm:affiliation>
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<author><name sortKey="Chalenko, G I" sort="Chalenko, G I" uniqKey="Chalenko G" first="G I" last="Chalenko">G I Chalenko</name>
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<author><name sortKey="Il Inskaia, L I" sort="Il Inskaia, L I" uniqKey="Il Inskaia L" first="L I" last="Il'Inskaia">L I Il'Inskaia</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Glucans (physiology)</term>
<term>Oligosaccharides (physiology)</term>
<term>Phytophthora (immunology)</term>
<term>Phytophthora (pathogenicity)</term>
<term>Plant Diseases (MeSH)</term>
<term>Solanum tuberosum (immunology)</term>
<term>beta-Glucans (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="physiology" xml:lang="en"><term>Glucans</term>
<term>Oligosaccharides</term>
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<keywords scheme="MESH" qualifier="immunology" xml:lang="en"><term>Phytophthora</term>
<term>Solanum tuberosum</term>
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<keywords scheme="MESH" qualifier="pathogenicity" xml:lang="en"><term>Phytophthora</term>
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<keywords scheme="MESH" xml:lang="en"><term>Plant Diseases</term>
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<front><div type="abstract" xml:lang="en">The properties and effects of two plant resistance suppressors (1,3-beta-1,6-beta-glucan and a pentasaccharide of xyloglucan origin) involved in the pathosystem of potato (Solanum tuberosum) and the causal agent of blight (Phytophthora infestans (Mont) de Bary) were compared. The microbial 1,3-beta-1,6-beta-glucan suppressed the defense response over a narrow concentration range (10(-2) M), whereas the plant pentasaccharide had a broad range of effective concentrations (10(-12) to 10(-6) M). In the pathosystem of potato-causal agent of late blight, the beta-glucan caused a local and race-specific suppressor effect on the plant host defense response. In contrast, the pentasaccharide caused both local and systemic suppression of potato resistance, and the presence of terminal fucosyl residue in the xyloglucan oligosaccharine played a decisive role in its effect. The recognition of both suppressors by potato cell membrane sites is discussed.</div>
</front>
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<DateCompleted><Year>2001</Year>
<Month>12</Month>
<Day>13</Day>
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<DateRevised><Year>2006</Year>
<Month>11</Month>
<Day>15</Day>
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<Article PubModel="Print"><Journal><ISSN IssnType="Print">0555-1099</ISSN>
<JournalIssue CitedMedium="Print"><Volume>37</Volume>
<Issue>5</Issue>
<PubDate><MedlineDate>2001 Sep-Oct</MedlineDate>
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<Title>Prikladnaia biokhimiia i mikrobiologiia</Title>
<ISOAbbreviation>Prikl Biokhim Mikrobiol</ISOAbbreviation>
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<ArticleTitle>[Immunosuppressors in pathogenesis of potato-pathogen blight].</ArticleTitle>
<Pagination><MedlinePgn>593-600</MedlinePgn>
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<Abstract><AbstractText>The properties and effects of two plant resistance suppressors (1,3-beta-1,6-beta-glucan and a pentasaccharide of xyloglucan origin) involved in the pathosystem of potato (Solanum tuberosum) and the causal agent of blight (Phytophthora infestans (Mont) de Bary) were compared. The microbial 1,3-beta-1,6-beta-glucan suppressed the defense response over a narrow concentration range (10(-2) M), whereas the plant pentasaccharide had a broad range of effective concentrations (10(-12) to 10(-6) M). In the pathosystem of potato-causal agent of late blight, the beta-glucan caused a local and race-specific suppressor effect on the plant host defense response. In contrast, the pentasaccharide caused both local and systemic suppression of potato resistance, and the presence of terminal fucosyl residue in the xyloglucan oligosaccharine played a decisive role in its effect. The recognition of both suppressors by potato cell membrane sites is discussed.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ozeretskovskaia</LastName>
<ForeName>O L</ForeName>
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<AffiliationInfo><Affiliation>Bach Institute of Biochemistry, Russian Academy of Sciences, Leninskii pr. 33, Moscow, 117071 Russia.</Affiliation>
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<Author ValidYN="Y"><LastName>Chalenko</LastName>
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<Author ValidYN="Y"><LastName>Il'inskaia</LastName>
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<Author ValidYN="Y"><LastName>Gerasimova</LastName>
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<VernacularTitle>Immunosupressory v patosisteme kartofel'-vozbuditel' fitoftoroza.</VernacularTitle>
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<MedlineJournalInfo><Country>Russia (Federation)</Country>
<MedlineTA>Prikl Biokhim Mikrobiol</MedlineTA>
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<ChemicalList><Chemical><RegistryNumber>0</RegistryNumber>
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<MeshHeading><DescriptorName UI="D010838" MajorTopicYN="N">Phytophthora</DescriptorName>
<QualifierName UI="Q000276" MajorTopicYN="N">immunology</QualifierName>
<QualifierName UI="Q000472" MajorTopicYN="Y">pathogenicity</QualifierName>
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<MeshHeading><DescriptorName UI="D010935" MajorTopicYN="Y">Plant Diseases</DescriptorName>
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<MeshHeading><DescriptorName UI="D011198" MajorTopicYN="N">Solanum tuberosum</DescriptorName>
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