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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">A Role for <italic>MORE AXILLARY GROWTH1</italic> (<italic>MAX1</italic>) in Evolutionary Diversity in Strigolactone Signaling Upstream of <italic>MAX2</italic><xref ref-type="author-notes" rid="fn1"><sup>1</sup></xref><xref ref-type="author-notes" rid="fn2"><sup>[C]</sup></xref><xref ref-type="author-notes" rid="fn3"><sup>[W]</sup></xref><xref ref-type="author-notes" rid="fn4"><sup>[OA]</sup></xref></title><author><name sortKey="Challis, Richard J" sort="Challis, Richard J" uniqKey="Challis R" first="Richard J." last="Challis">Richard J. Challis</name></author><author><name sortKey="Hepworth, Jo" sort="Hepworth, Jo" uniqKey="Hepworth J" first="Jo" last="Hepworth">Jo Hepworth</name></author><author><name sortKey="Mouchel, Celine" sort="Mouchel, Celine" uniqKey="Mouchel C" first="Céline" last="Mouchel">Céline Mouchel</name></author><author><name sortKey="Waites, Richard" sort="Waites, Richard" uniqKey="Waites R" first="Richard" last="Waites">Richard Waites</name></author><author><name sortKey="Leyser, Ottoline" sort="Leyser, Ottoline" uniqKey="Leyser O" first="Ottoline" last="Leyser">Ottoline Leyser</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">23424248</idno><idno type="pmc">3613463</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3613463</idno><idno type="RBID">PMC:3613463</idno><idno type="doi">10.1104/pp.112.211383</idno><date when="2013">2013</date><idno type="wicri:Area/Pmc/Corpus">000D07</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">A Role for <italic>MORE AXILLARY GROWTH1</italic> (<italic>MAX1</italic>) in Evolutionary Diversity in Strigolactone Signaling Upstream of <italic>MAX2</italic><xref ref-type="author-notes" rid="fn1"><sup>1</sup></xref><xref ref-type="author-notes" rid="fn2"><sup>[C]</sup></xref><xref ref-type="author-notes" rid="fn3"><sup>[W]</sup></xref><xref ref-type="author-notes" rid="fn4"><sup>[OA]</sup></xref></title><author><name sortKey="Challis, Richard J" sort="Challis, Richard J" uniqKey="Challis R" first="Richard J." last="Challis">Richard J. Challis</name></author><author><name sortKey="Hepworth, Jo" sort="Hepworth, Jo" uniqKey="Hepworth J" first="Jo" last="Hepworth">Jo Hepworth</name></author><author><name sortKey="Mouchel, Celine" sort="Mouchel, Celine" uniqKey="Mouchel C" first="Céline" last="Mouchel">Céline Mouchel</name></author><author><name sortKey="Waites, Richard" sort="Waites, Richard" uniqKey="Waites R" first="Richard" last="Waites">Richard Waites</name></author><author><name sortKey="Leyser, Ottoline" sort="Leyser, Ottoline" uniqKey="Leyser O" first="Ottoline" last="Leyser">Ottoline Leyser</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="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Phylogenetic and functional analysis of strigolactone pathway genes across the plant kingdom suggests considerable promiscuity in events upstream allowing for signal diversity and its later refinement.</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">23424248</article-id><article-id pub-id-type="pmc">3613463</article-id><article-id pub-id-type="publisher-id">211383</article-id><article-id pub-id-type="doi">10.1104/pp.112.211383</article-id><article-categories><subj-group subj-group-type="heading"><subject>Genes, Development, and Evolution</subject></subj-group></article-categories><title-group><article-title>A Role for <italic>MORE AXILLARY GROWTH1</italic> (<italic>MAX1</italic>) in Evolutionary Diversity in Strigolactone Signaling Upstream of <italic>MAX2</italic><xref ref-type="author-notes" rid="fn1"><sup>1</sup></xref><xref ref-type="author-notes" rid="fn2"><sup>[C]</sup></xref><xref ref-type="author-notes" rid="fn3"><sup>[W]</sup></xref><xref ref-type="author-notes" rid="fn4"><sup>[OA]</sup></xref></article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Challis</surname><given-names>Richard J.</given-names></name><xref ref-type="author-notes" rid="afn1"><sup>2</sup></xref><xref ref-type="author-notes" rid="afn2"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Hepworth</surname><given-names>Jo</given-names></name><xref ref-type="author-notes" rid="afn1"><sup>2</sup></xref><xref ref-type="author-notes" rid="afn3"><sup>4</sup></xref></contrib><contrib contrib-type="author"><name><surname>Mouchel</surname><given-names>Céline</given-names></name><xref ref-type="author-notes" rid="afn4"><sup>5</sup></xref></contrib><contrib contrib-type="author"><name><surname>Waites</surname><given-names>Richard</given-names></name></contrib><contrib contrib-type="author"><name><surname>Leyser</surname><given-names>Ottoline</given-names></name><xref ref-type="author-notes" rid="afn5"><sup>6</sup></xref><xref ref-type="corresp" rid="cor1">*</xref></contrib><aff id="aff1">Department of Biology, University of York, York YO10 5DD, United Kingdom</aff></contrib-group><author-notes><fn id="fn1" fn-type="supported-by"><label>1</label><p>This work was supported by a grant from the Biotechnology and Biological Sciences Research Council in the European Research Area-Net Plant Genomics program (to R.J.C. and O.L.), a Biotechnology and Biological Sciences Research Council Doctoral Training Grant to the University of York (to J.H.), and a Human Frontiers Science Program Postdoctoral Fellowship (to C.M.).</p></fn><fn id="afn1" fn-type="equal"><label>2</label><p>These authors contributed equally to the article.</p></fn><fn id="afn2"><label>3</label><p>Present address: Molecular Ecology and Fisheries Genetics Laboratory, Environment Centre Wales, Bangor University, Deiniol Road, Bangor, LL57 2UW, UK.</p></fn><fn id="afn3" fn-type="present-address"><label>4</label><p>Present address: Institute for Biochemistry and Biology, University of Potsdam, Karl-Liebknecht-Strasse 24–25, Haus 26, 14476 Potsdam, Germany.</p></fn><fn id="afn4" fn-type="present-address"><label>5</label><p>Present address: Bayer CropScience, Technologiepark 38, 9000 Ghent, Belgium.</p></fn><fn id="afn5" fn-type="present-address"><label>6</label><p>Present address: Sainsbury Laboratory University of Cambridge, Bateman Street, Cambridge CB2 1LR, UK.</p></fn><corresp id="cor1"><label>*</label>Corresponding author; e-mail <email>ol235@cam.ac.uk</email>.</corresp><fn id="afn6"><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: Ottoline Leyser (<email>ol235@cam.ac.uk</email>).</p></fn><fn id="fn2"><label>[C]</label><p>Some figures in this article are displayed in color online but in black and white in the print edition.</p></fn><fn id="fn3"><label>[W]</label><p>The online version of this article contains Web-only data.</p></fn><fn id="fn4"><label>[OA]</label><p>Open Access articles can be viewed online without a subscription.</p></fn><fn><p><ext-link ext-link-type="uri" xlink:href="http://www.plantphysiol.org/cgi/doi/10.1104/pp.112.211383">www.plantphysiol.org/cgi/doi/10.1104/pp.112.211383</ext-link></p></fn></author-notes><pmc-comment>Fake ppub date generated by PMC from publisher pub-date/@pub-type='epub-ppub' </pmc-comment>
<pub-date pub-type="ppub"><month>4</month><year>2013</year></pub-date><pub-date pub-type="epub"><day>19</day><month>2</month><year>2013</year></pub-date><pub-date pub-type="pmc-release"><day>19</day><month>2</month><year>2013</year></pub-date><pmc-comment> PMC Release delay is 0 months and 0 days and was based on the
<volume>161</volume><issue>4</issue><fpage>1885</fpage><lpage>1902</lpage><history><date date-type="received"><day>20</day><month>11</month><year>2012</year></date><date date-type="accepted"><day>19</day><month>2</month><year>2013</year></date></history><permissions><copyright-statement>© 2013 American Society of Plant Biologists. All Rights Reserved.</copyright-statement><copyright-year>2013</copyright-year></permissions><self-uri xlink:role="icon" xlink:type="simple" xlink:href="PP_211383_ic1.gif"></self-uri><abstract abstract-type="precis"><p>Phylogenetic and functional analysis of strigolactone pathway genes across the plant kingdom suggests considerable promiscuity in events upstream allowing for signal diversity and its later refinement.</p></abstract><abstract><p>Strigolactones (<xref ref-type="def" rid="def1">SLs</xref>) are carotenoid-derived phytohormones with diverse roles. They are secreted from roots as attractants for arbuscular mycorrhizal fungi and have a wide range of endogenous functions, such as regulation of root and shoot system architecture. To date, six genes associated with <xref ref-type="def" rid="def1">SL</xref> synthesis and signaling have been molecularly identified using the shoot-branching mutants <italic>more axillary growth</italic> (<italic>max</italic>) of Arabidopsis (<italic>Arabidopsis thaliana</italic>) and <italic>dwarf</italic> (<italic>d</italic>) of rice (<italic>Oryza sativa</italic>). Here, we present a phylogenetic analysis of the <italic>MAX</italic>/<italic>D</italic> genes to clarify the relationships of each gene with its wider family and to allow the correlation of events in the evolution of the genes with the evolution of <xref ref-type="def" rid="def1">SL</xref> function. Our analysis suggests that the notion of a distinct <xref ref-type="def" rid="def1">SL</xref> pathway is inappropriate. Instead, there may be a diversity of <xref ref-type="def" rid="def1">SL</xref>-like compounds, the response to which requires a D14/D14-like protein. This ancestral system could have been refined toward distinct ligand-specific pathways channeled through MAX2, the most downstream known component of <xref ref-type="def" rid="def1">SL</xref> signaling. MAX2 is tightly conserved among land plants and is more diverged from its nearest sister clade than any other <xref ref-type="def" rid="def1">SL</xref>-related gene, suggesting a pivotal role in the evolution of <xref ref-type="def" rid="def1">SL</xref> signaling. By contrast, the evidence suggests much greater flexibility upstream of <italic>MAX2</italic>. The <italic>MAX1</italic> gene is a particularly strong candidate for contributing to diversification of inputs upstream of MAX2. Our functional analysis of the <italic>MAX1</italic> family demonstrates the early origin of its catalytic function and both redundancy and functional diversification associated with its duplication in angiosperm lineages.</p></abstract><counts><page-count count="18"></page-count></counts></article-meta><notes><glossary><title>Glossary</title><def-list><def-item><term id="term1">SL</term><def id="def1"><p>strigolactone</p></def></def-item><def-item><term id="term2">AM</term><def id="def2"><p>arbuscular mycorrhizal</p></def></def-item><def-item><term id="term3">SNP</term><def id="def3"><p>single-nucleotide polymorphism</p></def></def-item><def-item><term id="term4">KEGG</term><def id="def4"><p>Kyoto Encyclopedia of Genes and Genomes</p></def></def-item><def-item><term id="term5">cDNA</term><def id="def5"><p>complementary DNA</p></def></def-item><def-item><term id="term6">PC2</term><def id="def6"><p>principal component 2</p></def></def-item><def-item><term id="term7">PC3</term><def id="def7"><p>principal component 3</p></def></def-item><def-item><term id="term8">CCD</term><def id="def8"><p>carotenoid cleavage dioxygenase</p></def></def-item><def-item><term id="term9">RAxML</term><def id="def9"><p>randomized axelerated maximum likelihood</p></def></def-item></def-list></glossary></notes></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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