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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Origin and Functional Prediction of Pollen Allergens in Plants<xref ref-type="fn" rid="fn1"><sup>1</sup></xref><xref ref-type="fn" rid="fn2"><sup>[OPEN]</sup></xref></title><author><name sortKey="Chen, Miaolin" sort="Chen, Miaolin" uniqKey="Chen M" first="Miaolin" last="Chen">Miaolin Chen</name></author><author><name sortKey="Xu, Jie" sort="Xu, Jie" uniqKey="Xu J" first="Jie" last="Xu">Jie Xu</name></author><author><name sortKey="Devis, Deborah" sort="Devis, Deborah" uniqKey="Devis D" first="Deborah" last="Devis">Deborah Devis</name></author><author><name sortKey="Shi, Jianxin" sort="Shi, Jianxin" uniqKey="Shi J" first="Jianxin" last="Shi">Jianxin Shi</name></author><author><name sortKey="Ren, Kang" sort="Ren, Kang" uniqKey="Ren K" first="Kang" last="Ren">Kang Ren</name></author><author><name sortKey="Searle, Iain" sort="Searle, Iain" uniqKey="Searle I" first="Iain" last="Searle">Iain Searle</name></author><author><name sortKey="Zhang, Dabing" sort="Zhang, Dabing" uniqKey="Zhang D" first="Dabing" last="Zhang">Dabing Zhang</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27436829</idno><idno type="pmc">5074609</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5074609</idno><idno type="RBID">PMC:5074609</idno><idno type="doi">10.1104/pp.16.00625</idno><date when="2016">2016</date><idno type="wicri:Area/Pmc/Corpus">000D24</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Origin and Functional Prediction of Pollen Allergens in Plants<xref ref-type="fn" rid="fn1"><sup>1</sup></xref><xref ref-type="fn" rid="fn2"><sup>[OPEN]</sup></xref></title><author><name sortKey="Chen, Miaolin" sort="Chen, Miaolin" uniqKey="Chen M" first="Miaolin" last="Chen">Miaolin Chen</name></author><author><name sortKey="Xu, Jie" sort="Xu, Jie" uniqKey="Xu J" first="Jie" last="Xu">Jie Xu</name></author><author><name sortKey="Devis, Deborah" sort="Devis, Deborah" uniqKey="Devis D" first="Deborah" last="Devis">Deborah Devis</name></author><author><name sortKey="Shi, Jianxin" sort="Shi, Jianxin" uniqKey="Shi J" first="Jianxin" last="Shi">Jianxin Shi</name></author><author><name sortKey="Ren, Kang" sort="Ren, Kang" uniqKey="Ren K" first="Kang" last="Ren">Kang Ren</name></author><author><name sortKey="Searle, Iain" sort="Searle, Iain" uniqKey="Searle I" first="Iain" last="Searle">Iain Searle</name></author><author><name sortKey="Zhang, Dabing" sort="Zhang, Dabing" uniqKey="Zhang D" first="Dabing" last="Zhang">Dabing Zhang</name></author></analytic><series><title level="j">Plant Physiology</title><idno type="ISSN">0032-0889</idno><idno type="eISSN">1532-2548</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Prediction and systematic analysis of pollen allergens in model plants suggest that pollen allergens evolved by gene duplication and then functional specification.</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">Plant Physiol</journal-id><journal-id journal-id-type="iso-abbrev">Plant Physiol</journal-id><journal-id journal-id-type="hwp">plantphysiol</journal-id><journal-id journal-id-type="publisher-id">aspb</journal-id><journal-title-group><journal-title>Plant Physiology</journal-title></journal-title-group><issn pub-type="ppub">0032-0889</issn><issn pub-type="epub">1532-2548</issn><publisher><publisher-name>American Society of Plant Biologists</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">27436829</article-id><article-id pub-id-type="pmc">5074609</article-id><article-id pub-id-type="publisher-id">PP201600625DR2</article-id><article-id pub-id-type="doi">10.1104/pp.16.00625</article-id><article-categories><subj-group subj-group-type="heading"><subject>Articles</subject><subj-group subj-group-type="heading"><subject>Genes, Development, and Evolution</subject></subj-group></subj-group></article-categories><title-group><article-title>Origin and Functional Prediction of Pollen Allergens in Plants<xref ref-type="fn" rid="fn1"><sup>1</sup></xref><xref ref-type="fn" rid="fn2"><sup>[OPEN]</sup></xref></article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Chen</surname><given-names>Miaolin</given-names></name><xref ref-type="author-notes" rid="afn1"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Xu</surname><given-names>Jie</given-names></name><xref ref-type="author-notes" rid="afn1"><sup>2</sup></xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0002-6050-9947</contrib-id><name><surname>Devis</surname><given-names>Deborah</given-names></name></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0002-7717-0863</contrib-id><name><surname>Shi</surname><given-names>Jianxin</given-names></name></contrib><contrib contrib-type="author"><name><surname>Ren</surname><given-names>Kang</given-names></name></contrib><contrib contrib-type="author"><name><surname>Searle</surname><given-names>Iain</given-names></name></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0002-1764-2929</contrib-id><name><surname>Zhang</surname><given-names>Dabing</given-names></name><xref ref-type="corresp" rid="cor1">*</xref></contrib><aff id="aff1">Joint International Research Laboratory of Metabolic and Developmental Sciences, Shanghai Jiao Tong University-University of Adelaide Joint Centre for Agriculture and Health, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China (M.C., J.X., J.S., K.R., D.Z.);</aff><aff id="aff2">School of Agriculture, Food, and Wine, University of Adelaide, Waite Campus, Urrbrae, South Australia 5064, Australia (D.D., I.S., D.Z.); and</aff><aff id="aff3">School of Biological Sciences, University of Adelaide, South Australia 5005, Australia (I.S.)</aff></contrib-group><author-notes><fn><p><ext-link ext-link-type="uri" xlink:href="http://www.plantphysiol.org/cgi/doi/10.1104/pp.16.00625">www.plantphysiol.org/cgi/doi/10.1104/pp.16.00625</ext-link></p></fn><fn id="afn1" fn-type="equal"><label>2</label><p>These authors contributed equally to the article.</p></fn><corresp id="cor1"><label>*</label>Address correspondence to <email>zhangdb@sjtu.edu.cn</email>.</corresp><fn id="afn2"><p>The author responsible for distribution of materials integral to the findings presented in this article in accordance with the policy described in the Instructions for Authors (<ext-link ext-link-type="uri" xlink:href="http://www.plantphysiol.org">www.plantphysiol.org</ext-link>) is: Dabing Zhang (<email>zhangdb@sjtu.edu.cn</email>).</p></fn><fn id="afn3"><p>M.C., J.X., R.K., and D.D. carried out data analysis; J.X. and D.Z. conceived the study, supervised the work, and analyzed the data; J.S., D.Z., and I.S. participated in project discussions and wrote the article.</p></fn></author-notes><pmc-comment>Fake ppub date generated by PMC from publisher
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<pub-date pub-type="ppub"><month>9</month><year>2016</year></pub-date><pub-date pub-type="epub"><day>19</day><month>7</month><year>2016</year></pub-date><pub-date pub-type="pmc-release"><day>19</day><month>7</month><year>2016</year></pub-date><pmc-comment> PMC Release delay is 0 months and 0 days and was based on the
<volume>172</volume><issue>1</issue><fpage>341</fpage><lpage>357</lpage><history><date date-type="received"><day>21</day><month>4</month><year>2016</year></date><date date-type="accepted"><day>17</day><month>7</month><year>2016</year></date></history><permissions><copyright-statement>© 2016 American Society of Plant Biologists. All rights reserved.</copyright-statement><copyright-year>2016</copyright-year><license><ali:license_ref specific-use="vor" start_date="2016-09-06">http://www.license-url.com</ali:license_ref><license-p>Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. More information is available at <ext-link ext-link-type="uri" xlink:href="http://www.plantphysiol.org/site/license">www.plantphysiol.org/site/license</ext-link>.</license-p></license></permissions><self-uri xlink:role="icon" xlink:href="PP_PP201600625DR2_ic1.gif"></self-uri><abstract abstract-type="precis"><p>Prediction and systematic analysis of pollen allergens in model plants suggest that pollen allergens evolved by gene duplication and then functional specification.</p></abstract><abstract><p>Pollen allergies have long been a major pandemic health problem for human. However, the evolutionary events and biological function of pollen allergens in plants remain largely unknown. Here, we report the genome-wide prediction of pollen allergens and their biological function in the dicotyledonous model plant Arabidopsis (<italic>Arabidopsis thaliana</italic>) and the monocotyledonous model plant rice (<italic>Oryza sativa</italic>). In total, 145 and 107 pollen allergens were predicted from rice and Arabidopsis, respectively. These pollen allergens are putatively involved in stress responses and metabolic processes such as cell wall metabolism during pollen development. Interestingly, these putative pollen allergen genes were derived from large gene families and became diversified during evolution. Sequence analysis across 25 plant species from green alga to angiosperms suggest that about 40% of putative pollen allergenic proteins existed in both lower and higher plants, while other allergens emerged during evolution. Although a high proportion of gene duplication has been observed among allergen-coding genes, our data show that these genes might have undergone purifying selection during evolution. We also observed that epitopes of an allergen might have a biological function, as revealed by comprehensive analysis of two known allergens, expansin and profilin. This implies a crucial role of conserved amino acid residues in both in planta biological function and allergenicity. Finally, a model explaining how pollen allergens were generated and maintained in plants is proposed. Prediction and systematic analysis of pollen allergens in model plants suggest that pollen allergens were evolved by gene duplication and then functional specification. This study provides insight into the phylogenetic and evolutionary scenario of pollen allergens that will be helpful to future characterization and epitope screening of pollen allergens.</p></abstract><counts><fig-count count="7"></fig-count><table-count count="1"></table-count><equation-count count="0"></equation-count><ref-count count="98"></ref-count><page-count count="17"></page-count></counts><custom-meta-group><custom-meta><meta-name> DJS Export </meta-name><meta-value>v1</meta-value></custom-meta></custom-meta-group></article-meta><notes><glossary><title>Glossary</title><def-list><def-item><term id="term1">Ka/Ks</term><def id="def1"><p>ratio of the number of nonsynonymous substitutions per nonsynonymous site to the number of synonymous substitutions per synonymous site</p></def></def-item><def-item><term id="term2">3D</term><def id="def2"><p>three-dimensional</p></def></def-item><def-item><term id="term3">GO</term><def id="def3"><p>Gene Ontology</p></def></def-item></def-list></glossary></notes></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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