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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Noninvasive Measurement of Vulnerability to Drought-Induced Embolism by X-Ray Microtomography<xref ref-type="fn" rid="fn1"><sup>1</sup></xref></title><author><name sortKey="Choat, Brendan" sort="Choat, Brendan" uniqKey="Choat B" first="Brendan" last="Choat">Brendan Choat</name></author><author><name sortKey="Badel, Eric" sort="Badel, Eric" uniqKey="Badel E" first="Eric" last="Badel">Eric Badel</name></author><author><name sortKey="Burlett, Regis" sort="Burlett, Regis" uniqKey="Burlett R" first="Regis" last="Burlett">Regis Burlett</name></author><author><name sortKey="Delzon, Sylvain" sort="Delzon, Sylvain" uniqKey="Delzon S" first="Sylvain" last="Delzon">Sylvain Delzon</name></author><author><name sortKey="Cochard, Herve" sort="Cochard, Herve" uniqKey="Cochard H" first="Herve" last="Cochard">Herve Cochard</name></author><author><name sortKey="Jansen, Steven" sort="Jansen, Steven" uniqKey="Jansen S" first="Steven" last="Jansen">Steven Jansen</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26527655</idno><idno type="pmc">4704566</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4704566</idno><idno type="RBID">PMC:4704566</idno><idno type="doi">10.1104/pp.15.00732</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000474</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000474</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Noninvasive Measurement of Vulnerability to Drought-Induced Embolism by X-Ray Microtomography<xref ref-type="fn" rid="fn1"><sup>1</sup></xref></title><author><name sortKey="Choat, Brendan" sort="Choat, Brendan" uniqKey="Choat B" first="Brendan" last="Choat">Brendan Choat</name></author><author><name sortKey="Badel, Eric" sort="Badel, Eric" uniqKey="Badel E" first="Eric" last="Badel">Eric Badel</name></author><author><name sortKey="Burlett, Regis" sort="Burlett, Regis" uniqKey="Burlett R" first="Regis" last="Burlett">Regis Burlett</name></author><author><name sortKey="Delzon, Sylvain" sort="Delzon, Sylvain" uniqKey="Delzon S" first="Sylvain" last="Delzon">Sylvain Delzon</name></author><author><name sortKey="Cochard, Herve" sort="Cochard, Herve" uniqKey="Cochard H" first="Herve" last="Cochard">Herve Cochard</name></author><author><name sortKey="Jansen, Steven" sort="Jansen, Steven" uniqKey="Jansen S" first="Steven" last="Jansen">Steven Jansen</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="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>X-ray computed microtomography provides a high-resolution, noninvasive method to evaluate vulnerability to drought-induced embolism in living, intact plants.</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">26527655</article-id><article-id pub-id-type="pmc">4704566</article-id><article-id pub-id-type="publisher-id">PP201500732R2</article-id><article-id pub-id-type="doi">10.1104/pp.15.00732</article-id><article-categories><subj-group subj-group-type="heading"><subject>Articles</subject><subj-group subj-group-type="heading"><subject>Ecophysiology and Sustainability</subject></subj-group></subj-group></article-categories><title-group><article-title>Noninvasive Measurement of Vulnerability to Drought-Induced Embolism by X-Ray Microtomography<xref ref-type="fn" rid="fn1"><sup>1</sup></xref></article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Choat</surname><given-names>Brendan</given-names></name><xref ref-type="corresp" rid="cor1">*</xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0003-2282-7554</contrib-id><name><surname>Badel</surname><given-names>Eric</given-names></name></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0001-8289-5757</contrib-id><name><surname>Burlett</surname><given-names>Regis</given-names></name></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0003-3442-1711</contrib-id><name><surname>Delzon</surname><given-names>Sylvain</given-names></name></contrib><contrib contrib-type="author"><name><surname>Cochard</surname><given-names>Herve</given-names></name></contrib><contrib contrib-type="author"><name><surname>Jansen</surname><given-names>Steven</given-names></name></contrib><aff id="aff1">Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);</aff><aff id="aff2">Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F–63100 Clermont-Ferrand, France (E.B., H.C.);</aff><aff id="aff3">Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);</aff><aff id="aff4">Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F–33450 Talence, France (R.B., S.D.); and</aff><aff id="aff5">Institute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.)</aff></contrib-group><author-notes><fn><p><ext-link ext-link-type="uri" xlink:href="http://www.plantphysiol.org/cgi/doi/10.1104/pp.15.00732">www.plantphysiol.org/cgi/doi/10.1104/pp.15.00732</ext-link></p></fn><corresp id="cor1"><label>*</label>Address correspondence to <email>b.choat@westernsydney.edu.au</email>.</corresp><fn id="afn1"><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: Brendan Choat (<email>b.choat@westernsydney.edu.au</email>).</p></fn><fn><p>All authors contributed to experimental design, research planning, and experiments; B.C. wrote the article with contributions from all authors.</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>1</month><year>2016</year></pub-date><pub-date pub-type="epub"><day>02</day><month>11</month><year>2015</year></pub-date><volume>170</volume><issue>1</issue><fpage>273</fpage><lpage>282</lpage><history><date date-type="received"><day>18</day><month>5</month><year>2015</year></date><date date-type="accepted"><day>30</day><month>10</month><year>2015</year></date></history><permissions><copyright-statement>© 2016 American Society of Plant Biologists. All Rights Reserved.</copyright-statement><copyright-year>2016</copyright-year></permissions><self-uri xlink:role="icon" xlink:href="PP_PP201500732R2_ic1.gif"></self-uri><abstract abstract-type="precis"><p>X-ray computed microtomography provides a high-resolution, noninvasive method to evaluate vulnerability to drought-induced embolism in living, intact plants.</p></abstract><abstract><p>Hydraulic failure induced by xylem embolism is one of the primary mechanisms of plant dieback during drought. However, many of the methods used to evaluate the vulnerability of different species to drought-induced embolism are indirect and invasive, increasing the possibility that measurement artifacts may occur. Here, we utilize x-ray computed microtomography (<xref ref-type="def" rid="def2">microCT</xref>) to directly visualize embolism formation in the xylem of living, intact plants with contrasting wood anatomy (<italic>Quercus robur</italic>, <italic>Populus tremula</italic> × <italic>Populus alba</italic>, and <italic>Pinus pinaster</italic>). These observations were compared with widely used centrifuge techniques that require destructive sampling. <xref ref-type="def" rid="def2">MicroCT</xref> imaging provided detailed spatial information regarding the dimensions and functional status of xylem conduits during dehydration. Vulnerability curves based on <xref ref-type="def" rid="def2">microCT</xref> observations of intact plants closely matched curves based on the centrifuge technique for species with short vessels (<italic>P. tremula</italic> × <italic>P. alba</italic>) or tracheids (<italic>P. pinaster</italic>). For ring porous <italic>Q. robur</italic>, the centrifuge technique significantly overestimated vulnerability to embolism, indicating that caution should be used when applying this technique to species with long vessels. These findings confirm that <xref ref-type="def" rid="def2">microCT</xref> can be used to assess the vulnerability to embolism on intact plants by direct visualization.</p></abstract><counts><page-count count="10"></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">MRI</term><def id="def1"><p>magnetic resonance imaging</p></def></def-item><def-item><term id="term2">microCT</term><def id="def2"><p>x-ray computed microtomography</p></def></def-item><def-item><term id="term3">P<sub>50</sub></term><def id="def3"><p>xylem pressure at 50% loss of hydraulic conductance</p></def></def-item><def-item><term id="term4">PLC</term><def id="def4"><p>percentage loss of conductivity</p></def></def-item><def-item><term id="term5">SLS</term><def id="def5"><p>Swiss Light Source</p></def></def-item></def-list></glossary></notes></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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