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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Proteolysis of the barley receptor-like protein kinase RPG1 by a proteasome pathway is correlated with <italic>Rpg1</italic>-mediated stem rust resistance</title><author><name sortKey="Nirmala, Jayaveeramuthu" sort="Nirmala, Jayaveeramuthu" uniqKey="Nirmala J" first="Jayaveeramuthu" last="Nirmala">Jayaveeramuthu Nirmala</name><affiliation><nlm:aff id="aff1">Departments of *Crop and Soil Sciences and</nlm:aff></affiliation></author><author><name sortKey="Dahl, Stephanie" sort="Dahl, Stephanie" uniqKey="Dahl S" first="Stephanie" last="Dahl">Stephanie Dahl</name><affiliation><nlm:aff id="aff4">Department of Plant Pathology, University of Minnesota, St. Paul, MN 55108</nlm:aff></affiliation></author><author><name sortKey="Steffenson, Brian J" sort="Steffenson, Brian J" uniqKey="Steffenson B" first="Brian J." last="Steffenson">Brian J. Steffenson</name><affiliation><nlm:aff id="aff4">Department of Plant Pathology, University of Minnesota, St. Paul, MN 55108</nlm:aff></affiliation></author><author><name sortKey="Kannangara, C Gamini" sort="Kannangara, C Gamini" uniqKey="Kannangara C" first="C. Gamini" last="Kannangara">C. Gamini Kannangara</name><affiliation><nlm:aff id="aff1">Departments of *Crop and Soil Sciences and</nlm:aff></affiliation></author><author><name sortKey="Von Wettstein, Diter" sort="Von Wettstein, Diter" uniqKey="Von Wettstein D" first="Diter" last="Von Wettstein">Diter Von Wettstein</name><affiliation><nlm:aff id="aff1">Departments of *Crop and Soil Sciences and</nlm:aff></affiliation><affiliation><nlm:aff wicri:cut="; and" id="aff3">School of Molecular Biosciences, Washington State University, Pullman, WA 99164</nlm:aff></affiliation></author><author><name sortKey="Chen, Xianming" sort="Chen, Xianming" uniqKey="Chen X" first="Xianming" last="Chen">Xianming Chen</name><affiliation><nlm:aff wicri:cut=" and" id="aff2">Plant Pathology, U.S. Department of Agriculture–Agricultural Research Service</nlm:aff></affiliation></author><author><name sortKey="Kleinhofs, Andris" sort="Kleinhofs, Andris" uniqKey="Kleinhofs A" first="Andris" last="Kleinhofs">Andris Kleinhofs</name><affiliation><nlm:aff id="aff1">Departments of *Crop and Soil Sciences and</nlm:aff></affiliation><affiliation><nlm:aff wicri:cut="; and" id="aff3">School of Molecular Biosciences, Washington State University, Pullman, WA 99164</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">17548826</idno><idno type="pmc">1891204</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1891204</idno><idno type="RBID">PMC:1891204</idno><idno type="doi">10.1073/pnas.0703758104</idno><date when="2007">2007</date><idno type="wicri:Area/Pmc/Corpus">000527</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000527</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Proteolysis of the barley receptor-like protein kinase RPG1 by a proteasome pathway is correlated with <italic>Rpg1</italic>-mediated stem rust resistance</title><author><name sortKey="Nirmala, Jayaveeramuthu" sort="Nirmala, Jayaveeramuthu" uniqKey="Nirmala J" first="Jayaveeramuthu" last="Nirmala">Jayaveeramuthu Nirmala</name><affiliation><nlm:aff id="aff1">Departments of *Crop and Soil Sciences and</nlm:aff></affiliation></author><author><name sortKey="Dahl, Stephanie" sort="Dahl, Stephanie" uniqKey="Dahl S" first="Stephanie" last="Dahl">Stephanie Dahl</name><affiliation><nlm:aff id="aff4">Department of Plant Pathology, University of Minnesota, St. Paul, MN 55108</nlm:aff></affiliation></author><author><name sortKey="Steffenson, Brian J" sort="Steffenson, Brian J" uniqKey="Steffenson B" first="Brian J." last="Steffenson">Brian J. Steffenson</name><affiliation><nlm:aff id="aff4">Department of Plant Pathology, University of Minnesota, St. Paul, MN 55108</nlm:aff></affiliation></author><author><name sortKey="Kannangara, C Gamini" sort="Kannangara, C Gamini" uniqKey="Kannangara C" first="C. Gamini" last="Kannangara">C. Gamini Kannangara</name><affiliation><nlm:aff id="aff1">Departments of *Crop and Soil Sciences and</nlm:aff></affiliation></author><author><name sortKey="Von Wettstein, Diter" sort="Von Wettstein, Diter" uniqKey="Von Wettstein D" first="Diter" last="Von Wettstein">Diter Von Wettstein</name><affiliation><nlm:aff id="aff1">Departments of *Crop and Soil Sciences and</nlm:aff></affiliation><affiliation><nlm:aff wicri:cut="; and" id="aff3">School of Molecular Biosciences, Washington State University, Pullman, WA 99164</nlm:aff></affiliation></author><author><name sortKey="Chen, Xianming" sort="Chen, Xianming" uniqKey="Chen X" first="Xianming" last="Chen">Xianming Chen</name><affiliation><nlm:aff wicri:cut=" and" id="aff2">Plant Pathology, U.S. Department of Agriculture–Agricultural Research Service</nlm:aff></affiliation></author><author><name sortKey="Kleinhofs, Andris" sort="Kleinhofs, Andris" uniqKey="Kleinhofs A" first="Andris" last="Kleinhofs">Andris Kleinhofs</name><affiliation><nlm:aff id="aff1">Departments of *Crop and Soil Sciences and</nlm:aff></affiliation><affiliation><nlm:aff wicri:cut="; and" id="aff3">School of Molecular Biosciences, Washington State University, Pullman, WA 99164</nlm:aff></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title><idno type="ISSN">0027-8424</idno><idno type="eISSN">1091-6490</idno><imprint><date when="2007">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>In plants, disease resistance mediated by the gene-for-gene mechanism involves the recognition of specific effector molecules produced by the pathogen either directly or indirectly by the resistance-gene products. This recognition triggers a series of signals, thereby serving as a molecular switch in regulating defense mechanisms by the plants. To understand the mechanism of action of the barley stem rust resistance gene <italic>Rpg1</italic>, we investigated the fate of the RPG1 protein in response to infection with the stem rust fungus, <italic>Puccinia graminis</italic> f. sp. <italic>tritici</italic>. The investigations revealed that RPG1 disappears to undetectable limits only in the infected tissues in response to avirulent, but not virulent pathotypes. The RPG1 protein disappearance is rapid and appears to be due to specific protein degradation via the proteasome-mediated pathway as indicated by inhibition with the proteasomal inhibitor MG132, but not by other protease inhibitors.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Proc Natl Acad Sci U S A</journal-id><journal-id journal-id-type="publisher-id">PNAS</journal-id><journal-title>Proceedings of the National Academy of Sciences of the United States of America</journal-title><issn pub-type="ppub">0027-8424</issn><issn pub-type="epub">1091-6490</issn><publisher><publisher-name>National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">17548826</article-id><article-id pub-id-type="pmc">1891204</article-id><article-id pub-id-type="publisher-id">6570</article-id><article-id pub-id-type="doi">10.1073/pnas.0703758104</article-id><article-categories><subj-group subj-group-type="heading"><subject>Biological Sciences</subject><subj-group><subject>Plant Biology</subject></subj-group></subj-group></article-categories><title-group><article-title>Proteolysis of the barley receptor-like protein kinase RPG1 by a proteasome pathway is correlated with <italic>Rpg1</italic>-mediated stem rust resistance</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Nirmala</surname><given-names>Jayaveeramuthu</given-names></name><xref rid="aff1" ref-type="aff">*</xref></contrib><contrib contrib-type="author"><name><surname>Dahl</surname><given-names>Stephanie</given-names></name><xref rid="aff4" ref-type="aff"><sup>†</sup></xref></contrib><contrib contrib-type="author"><name><surname>Steffenson</surname><given-names>Brian J.</given-names></name><xref rid="aff4" ref-type="aff"><sup>†</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kannangara</surname><given-names>C. Gamini</given-names></name><xref rid="aff1" ref-type="aff">*</xref></contrib><contrib contrib-type="author"><name><surname>von Wettstein</surname><given-names>Diter</given-names></name><xref rid="aff1" ref-type="aff">*</xref><xref rid="aff3" ref-type="aff"><sup>‡</sup></xref><xref ref-type="corresp" rid="cor1"><sup>§</sup></xref></contrib><contrib contrib-type="author"><name><surname>Chen</surname><given-names>Xianming</given-names></name><xref rid="aff2" ref-type="aff"><sup>¶</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kleinhofs</surname><given-names>Andris</given-names></name><xref rid="aff1" ref-type="aff">*</xref><xref rid="aff3" ref-type="aff"><sup>‡</sup></xref></contrib><aff id="aff1">Departments of *Crop and Soil Sciences and</aff><aff id="aff2"><sup>¶</sup>Plant Pathology, U.S. Department of Agriculture–Agricultural Research Service and</aff><aff id="aff3"><sup>‡</sup>School of Molecular Biosciences, Washington State University, Pullman, WA 99164; and</aff><aff id="aff4"><sup>†</sup>Department of Plant Pathology, University of Minnesota, St. Paul, MN 55108</aff></contrib-group><author-notes><corresp id="cor1"><sup>§</sup>To whom correspondence should be addressed. E-mail: <email>diter@wsu.edu</email></corresp><fn fn-type="con"><p>Contributed by Diter von Wettstein, April 25, 2007</p></fn><fn fn-type="con"><p>Author contributions: J.N., B.J.S., and A.K. designed research; J.N., S.D., and B.J.S. performed research; C.G.K. contributed new reagents/analytic tools; D.v.W., X.C., and A.K. analyzed data; and J.N., D.v.W., and A.K. wrote the paper.</p></fn><fn fn-type="conflict"><p>The authors declare no conflict of interest.</p></fn></author-notes><pub-date pub-type="ppub"><day>12</day><month>6</month><year>2007</year></pub-date><pub-date pub-type="epub"><day>4</day><month>6</month><year>2007</year></pub-date><volume>104</volume><issue>24</issue><fpage>10276</fpage><lpage>10281</lpage><history><date date-type="received"><day>4</day><month>2</month><year>2007</year></date></history><copyright-statement>© 2007 by The National Academy of Sciences of the USA</copyright-statement><copyright-year>2007</copyright-year><self-uri xlink:title="pdf" xlink:type="simple" xlink:href="zpq02407010276.pdf"></self-uri><abstract><p>In plants, disease resistance mediated by the gene-for-gene mechanism involves the recognition of specific effector molecules produced by the pathogen either directly or indirectly by the resistance-gene products. This recognition triggers a series of signals, thereby serving as a molecular switch in regulating defense mechanisms by the plants. To understand the mechanism of action of the barley stem rust resistance gene <italic>Rpg1</italic>, we investigated the fate of the RPG1 protein in response to infection with the stem rust fungus, <italic>Puccinia graminis</italic> f. sp. <italic>tritici</italic>. The investigations revealed that RPG1 disappears to undetectable limits only in the infected tissues in response to avirulent, but not virulent pathotypes. The RPG1 protein disappearance is rapid and appears to be due to specific protein degradation via the proteasome-mediated pathway as indicated by inhibition with the proteasomal inhibitor MG132, but not by other protease inhibitors.</p></abstract><kwd-group><kwd>avirulence</kwd><kwd>cultivar</kwd><kwd>programmed cell death</kwd><kwd><italic>Puccinia graminis</italic></kwd></kwd-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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