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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Abscisic Acid Flux Alterations Result in Differential Abscisic Acid
Signaling Responses and Impact Assimilation Efficiency in Barley under Terminal
Drought Stress<xref ref-type="fn" rid="fn1"><sup>1</sup></xref><xref ref-type="fn" rid="fn2"><sup>[C]</sup></xref><xref ref-type="fn" rid="fn3"><sup>[W]</sup></xref><xref ref-type="fn" rid="fn4"><sup>[OPEN]</sup></xref></title><author><name sortKey="Seiler, Christiane" sort="Seiler, Christiane" uniqKey="Seiler C" first="Christiane" last="Seiler">Christiane Seiler</name></author><author><name sortKey="Harshavardhan, Vokkaliga T" sort="Harshavardhan, Vokkaliga T" uniqKey="Harshavardhan V" first="Vokkaliga T." last="Harshavardhan">Vokkaliga T. Harshavardhan</name></author><author><name sortKey="Reddy, Palakolanu S" sort="Reddy, Palakolanu S" uniqKey="Reddy P" first="Palakolanu S." last="Reddy">Palakolanu S. Reddy</name></author><author><name sortKey="Hensel, Gotz" sort="Hensel, Gotz" uniqKey="Hensel G" first="Götz" last="Hensel">Götz Hensel</name></author><author><name sortKey="Kumlehn, Jochen" sort="Kumlehn, Jochen" uniqKey="Kumlehn J" first="Jochen" last="Kumlehn">Jochen Kumlehn</name></author><author><name sortKey="Eschen Lippold, Lennart" sort="Eschen Lippold, Lennart" uniqKey="Eschen Lippold L" first="Lennart" last="Eschen-Lippold">Lennart Eschen-Lippold</name></author><author><name sortKey="Rajesh, Kalladan" sort="Rajesh, Kalladan" uniqKey="Rajesh K" first="Kalladan" last="Rajesh">Kalladan Rajesh</name></author><author><name sortKey="Korzun, Viktor" sort="Korzun, Viktor" uniqKey="Korzun V" first="Viktor" last="Korzun">Viktor Korzun</name></author><author><name sortKey="Wobus, Ulrich" sort="Wobus, Ulrich" uniqKey="Wobus U" first="Ulrich" last="Wobus">Ulrich Wobus</name></author><author><name sortKey="Lee, Justin" sort="Lee, Justin" uniqKey="Lee J" first="Justin" last="Lee">Justin Lee</name></author><author><name sortKey="Selvaraj, Gopalan" sort="Selvaraj, Gopalan" uniqKey="Selvaraj G" first="Gopalan" last="Selvaraj">Gopalan Selvaraj</name></author><author><name sortKey="Sreenivasulu, Nese" sort="Sreenivasulu, Nese" uniqKey="Sreenivasulu N" first="Nese" last="Sreenivasulu">Nese Sreenivasulu</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">24610749</idno><idno type="pmc">3982733</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3982733</idno><idno type="RBID">PMC:3982733</idno><idno type="doi">10.1104/pp.113.229062</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">000019</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Abscisic Acid Flux Alterations Result in Differential Abscisic Acid
Signaling Responses and Impact Assimilation Efficiency in Barley under Terminal
Drought Stress<xref ref-type="fn" rid="fn1"><sup>1</sup></xref><xref ref-type="fn" rid="fn2"><sup>[C]</sup></xref><xref ref-type="fn" rid="fn3"><sup>[W]</sup></xref><xref ref-type="fn" rid="fn4"><sup>[OPEN]</sup></xref></title><author><name sortKey="Seiler, Christiane" sort="Seiler, Christiane" uniqKey="Seiler C" first="Christiane" last="Seiler">Christiane Seiler</name></author><author><name sortKey="Harshavardhan, Vokkaliga T" sort="Harshavardhan, Vokkaliga T" uniqKey="Harshavardhan V" first="Vokkaliga T." last="Harshavardhan">Vokkaliga T. Harshavardhan</name></author><author><name sortKey="Reddy, Palakolanu S" sort="Reddy, Palakolanu S" uniqKey="Reddy P" first="Palakolanu S." last="Reddy">Palakolanu S. Reddy</name></author><author><name sortKey="Hensel, Gotz" sort="Hensel, Gotz" uniqKey="Hensel G" first="Götz" last="Hensel">Götz Hensel</name></author><author><name sortKey="Kumlehn, Jochen" sort="Kumlehn, Jochen" uniqKey="Kumlehn J" first="Jochen" last="Kumlehn">Jochen Kumlehn</name></author><author><name sortKey="Eschen Lippold, Lennart" sort="Eschen Lippold, Lennart" uniqKey="Eschen Lippold L" first="Lennart" last="Eschen-Lippold">Lennart Eschen-Lippold</name></author><author><name sortKey="Rajesh, Kalladan" sort="Rajesh, Kalladan" uniqKey="Rajesh K" first="Kalladan" last="Rajesh">Kalladan Rajesh</name></author><author><name sortKey="Korzun, Viktor" sort="Korzun, Viktor" uniqKey="Korzun V" first="Viktor" last="Korzun">Viktor Korzun</name></author><author><name sortKey="Wobus, Ulrich" sort="Wobus, Ulrich" uniqKey="Wobus U" first="Ulrich" last="Wobus">Ulrich Wobus</name></author><author><name sortKey="Lee, Justin" sort="Lee, Justin" uniqKey="Lee J" first="Justin" last="Lee">Justin Lee</name></author><author><name sortKey="Selvaraj, Gopalan" sort="Selvaraj, Gopalan" uniqKey="Selvaraj G" first="Gopalan" last="Selvaraj">Gopalan Selvaraj</name></author><author><name sortKey="Sreenivasulu, Nese" sort="Sreenivasulu, Nese" uniqKey="Sreenivasulu N" first="Nese" last="Sreenivasulu">Nese Sreenivasulu</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="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><italic>ABA homeostasis achieved in the tolerant lines is closely coupled to
readjustment in ABA receptors, which enables this line to maintain a favorable WUE
and photoassimilate accumulation when challenged by terminal drought</italic>.</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">24610749</article-id><article-id pub-id-type="pmc">3982733</article-id><article-id pub-id-type="publisher-id">229062</article-id><article-id pub-id-type="doi">10.1104/pp.113.229062</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Articles - Focus</subject></subj-group><series-title>Focus on Water</series-title></article-categories><title-group><article-title>Abscisic Acid Flux Alterations Result in Differential Abscisic Acid
Signaling Responses and Impact Assimilation Efficiency in Barley under Terminal
Drought Stress<xref ref-type="fn" rid="fn1"><sup>1</sup></xref><xref ref-type="fn" rid="fn2"><sup>[C]</sup></xref><xref ref-type="fn" rid="fn3"><sup>[W]</sup></xref><xref ref-type="fn" rid="fn4"><sup>[OPEN]</sup></xref></article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Seiler</surname><given-names>Christiane</given-names></name><xref ref-type="author-notes" rid="afn1"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Harshavardhan</surname><given-names>Vokkaliga T.</given-names></name><xref ref-type="author-notes" rid="afn1"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Reddy</surname><given-names>Palakolanu S.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Hensel</surname><given-names>Götz</given-names></name></contrib><contrib contrib-type="author"><name><surname>Kumlehn</surname><given-names>Jochen</given-names></name></contrib><contrib contrib-type="author"><name><surname>Eschen-Lippold</surname><given-names>Lennart</given-names></name></contrib><contrib contrib-type="author"><name><surname>Rajesh</surname><given-names>Kalladan</given-names></name></contrib><contrib contrib-type="author"><name><surname>Korzun</surname><given-names>Viktor</given-names></name></contrib><contrib contrib-type="author"><name><surname>Wobus</surname><given-names>Ulrich</given-names></name></contrib><contrib contrib-type="author"><name><surname>Lee</surname><given-names>Justin</given-names></name></contrib><contrib contrib-type="author"><name><surname>Selvaraj</surname><given-names>Gopalan</given-names></name></contrib><contrib contrib-type="author"><name><surname>Sreenivasulu</surname><given-names>Nese</given-names></name><xref ref-type="author-notes" rid="afn2"><sup>3</sup></xref><xref ref-type="corresp" rid="cor1">*</xref><contrib-id contrib-id-type="orcid">http://orcid.org/0000-0002-3998-038X</contrib-id></contrib><aff id="aff1">Leibniz Institute of Plant Genetics and Crop Plant Research, D–06466 Gatersleben, Germany (C.S., V.T.H., P.S.R., G.H., J.K., K.R., U.W., N.S.);</aff><aff id="aff2">Leibniz Institute of Plant Biochemistry, D–06120 Halle, Germany (L.E.-L., J.L.);</aff><aff id="aff3">Kleinwanzlebener Saatzucht KWS LOCHOW GmbH, D–29303 Bergen, Germany (V.K.);</aff><aff id="aff4">National Research Council of Canada, Saskatoon, Canada S7N 0W9 (G.S.); and</aff><aff id="aff5">Research Group Abiotic Stress Genomics, Interdisciplinary Center for Crop Plant Research, D–06120 Halle, Germany (N.S.)</aff></contrib-group><author-notes><fn id="afn1" fn-type="equal"><label>2</label><p>These authors contributed equally to the article.</p></fn><fn id="afn2" fn-type="present-address"><label>3</label><p>Present address: Grain Quality and Nutrition Center, International Rice Research
Institute, Metro Manila 1301, Philippines.</p></fn><corresp id="cor1"><label>*</label>Address correspondence to
<email>srinivas@ipk-gatersleben.de</email>.</corresp><fn id="afn3"><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:
Nese Sreenivasulu (<email>srinivas@ipk-gatersleben.de</email>).</p></fn><fn><p><ext-link ext-link-type="uri" xlink:href="http://www.plantphysiol.org/cgi/doi/10.1104/pp.113.229062">www.plantphysiol.org/cgi/doi/10.1104/pp.113.229062</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>2014</year></pub-date><pub-date pub-type="epub"><day>07</day><month>3</month><year>2014</year></pub-date><pub-date pub-type="pmc-release"><day>07</day><month>3</month><year>2014</year></pub-date><pmc-comment> PMC Release delay is 0 months and 0 days and was based on the
<volume>164</volume><issue>4</issue><fpage>1677</fpage><lpage>1696</lpage><history><date date-type="received"><day>22</day><month>9</month><year>2013</year></date><date date-type="accepted"><day>25</day><month>2</month><year>2014</year></date></history><permissions><copyright-statement>© 2014 American Society of Plant Biologists. All Rights
Reserved.</copyright-statement><copyright-year>2014</copyright-year></permissions><self-uri xlink:role="icon" xlink:type="simple" xlink:href="PP_229062_ic1.gif"></self-uri><self-uri content-type="alt-lang-pdf zh" xlink:type="simple" xlink:href="1677.chinese.pdf"></self-uri><abstract abstract-type="precis"><p><italic>ABA homeostasis achieved in the tolerant lines is closely coupled to
readjustment in ABA receptors, which enables this line to maintain a favorable WUE
and photoassimilate accumulation when challenged by terminal drought</italic>.</p></abstract><abstract><p>Abscisic acid (<xref ref-type="def" rid="def1">ABA</xref>) is a central player in
plant responses to drought stress. How variable levels of <xref ref-type="def" rid="def1">ABA</xref> under short-term versus long-term drought stress impact
assimilation and growth in crops is unclear. We addressed this through comparative
analysis, using two elite breeding lines of barley (<italic>Hordeum vulgare</italic>)
that show senescence or stay-green phenotype under terminal drought stress and by
making use of transgenic barley lines that express Arabidopsis (<italic>Arabidopsis
thaliana</italic>) 9-cis-epoxycarotenoid dioxygenase (<italic>AtNCED6</italic>)
coding sequence or an RNA interference (RNAi) sequence of <xref ref-type="def" rid="def1">ABA</xref> 8′-hydroxylase under the control of a
drought-inducible barley promoter. The high levels of <xref ref-type="def" rid="def1">ABA</xref> and its catabolites in the senescing breeding line under
long-term stress were detrimental for assimilate productivity, whereas these levels
were not perturbed in the stay-green type that performed better. In transgenic
barley, drought-inducible <italic>AtNCED</italic> expression afforded temporal
control in <xref ref-type="def" rid="def1">ABA</xref> levels such that the <xref ref-type="def" rid="def1">ABA</xref> levels rose sooner than in wild-type plants
but also subsided, unlike as in the wild type , to near-basal levels upon prolonged
stress treatment due to down-regulation of endogenous <italic>HvNCED</italic> genes.
Suppressing of <xref ref-type="def" rid="def1">ABA</xref> catabolism with the RNA
interference approach of <xref ref-type="def" rid="def1">ABA</xref>8′-hydroxylase caused <xref ref-type="def" rid="def1">ABA</xref> flux during
the entire period of stress. These transgenic plants performed better than the wild
type under stress to maintain a favorable instantaneous water use efficiency and
better assimilation. Gene expression analysis, protein structural modeling, and
protein-protein interaction analyses of the members of the <italic>PYRABACTIN
RESISTANCE1/PYRABACTIN RESISTANCE1-LIKE/REGULATORY COMPONENT OF ABA
RECEPTORS</italic>, <italic>TYPE 2C PROTEIN PHOSPHATASE Sucrose
non-fermenting1-related protein kinase2</italic>, and
<italic>ABA-INSENSITIVE5/ABA-responsive element binding factor</italic> family
identified specific members that could potentially impact <xref ref-type="def" rid="def1">ABA</xref> metabolism and stress adaptation in barley.</p></abstract><counts><page-count count="20"></page-count></counts></article-meta><notes><glossary><title>Glossary</title><def-list><def-item><term id="term1">ABA</term><def id="def1"><p>abscisic acid</p></def></def-item><def-item><term id="term2">RNAi</term><def id="def2"><p>RNA interference</p></def></def-item><def-item><term id="term3">qRT</term><def id="def3"><p>quantitative real-time</p></def></def-item><def-item><term id="term4">WUE</term><def id="def4"><p>water use efficiency</p></def></def-item><def-item><term id="term5">PA</term><def id="def5"><p>phaseic acid</p></def></def-item><def-item><term id="term6">DAS</term><def id="def6"><p>days after stress</p></def></def-item><def-item><term id="term7">DPA</term><def id="def7"><p>dihydrophaseic acid</p></def></def-item><def-item><term id="term8">Y2H</term><def id="def8"><p>yeast two-hybrid</p></def></def-item><def-item><term id="term9">BiFC</term><def id="def9"><p>bimolecular fluorescence complementation</p></def></def-item><def-item><term id="term10">YFP</term><def id="def10"><p>yellow fluorescent protein</p></def></def-item><def-item><term id="term11">cDNA</term><def id="def11"><p>complementary DNA</p></def></def-item><def-item><term id="term12"><italic>C</italic><sub>T</sub></term><def id="def12"><p>cycle threshold</p></def></def-item></def-list></glossary></notes></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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