Aquaporins: Highly Regulated Channels Controlling Plant Water Relations1
Identifieur interne : 000104 ( Pmc/Checkpoint ); précédent : 000103; suivant : 000105Aquaporins: Highly Regulated Channels Controlling Plant Water Relations1
Auteurs : François Chaumont ; Stephen D. TyermanSource :
- Plant Physiology [ 0032-0889 ] ; 2014.
Abstract
Url:
DOI: 10.1104/pp.113.233791
PubMed: 24449709
PubMed Central: 3982727
Affiliations:
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</title>
<author><name sortKey="Chaumont, Francois" sort="Chaumont, Francois" uniqKey="Chaumont F" first="François" last="Chaumont">François Chaumont</name>
</author>
<author><name sortKey="Tyerman, Stephen D" sort="Tyerman, Stephen D" uniqKey="Tyerman S" first="Stephen D." last="Tyerman">Stephen D. Tyerman</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Aquaporins: Highly Regulated Channels Controlling Plant Water Relations<xref ref-type="fn" rid="fn1"><sup>1</sup>
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</title>
<author><name sortKey="Chaumont, Francois" sort="Chaumont, Francois" uniqKey="Chaumont F" first="François" last="Chaumont">François Chaumont</name>
</author>
<author><name sortKey="Tyerman, Stephen D" sort="Tyerman, Stephen D" uniqKey="Tyerman S" first="Stephen D." last="Tyerman">Stephen D. Tyerman</name>
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<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>
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<front><div type="abstract" xml:lang="en"><p><italic>Aquaporins are highly regulated water channels that contribute to the control of water movement at the cell, tissue, and organ levels and, hence, to the overall plant water relations in varying environmental conditions</italic>
.</p>
</div>
</front>
</TEI>
<pmc article-type="other"><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">24449709</article-id>
<article-id pub-id-type="pmc">3982727</article-id>
<article-id pub-id-type="publisher-id">233791</article-id>
<article-id pub-id-type="doi">10.1104/pp.113.233791</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>UPDATES - FOCUS</subject>
<subj-group subj-group-type="heading"><subject>Update on Aquaporins</subject>
</subj-group>
</subj-group>
<series-title>Focus on Water</series-title>
</article-categories>
<title-group><article-title>Aquaporins: Highly Regulated Channels Controlling Plant Water Relations<xref ref-type="fn" rid="fn1"><sup>1</sup>
</xref>
</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Chaumont</surname>
<given-names>François</given-names>
</name>
<xref ref-type="corresp" rid="cor1">*</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Tyerman</surname>
<given-names>Stephen D.</given-names>
</name>
</contrib>
<aff id="aff1">Institut des Sciences de la Vie, Université catholique de Louvain, Croix du Sud 4–L7.07.14, B–1348 Louvain-la-Neuve, Belgium (F.C.); and</aff>
<aff id="aff2">Australian Research Council Centre of Excellence in Plant Energy Biology, Waite Research Institute, School of Agriculture, Food, and Wine, University of Adelaide, Waite Campus PMB 1, Glen Osmond, South Australia 5064, Australia (S.D.T.)</aff>
</contrib-group>
<author-notes><fn><p><ext-link ext-link-type="uri" xlink:href="http://www.plantphysiol.org/cgi/doi/10.1104/pp.113.233791">www.plantphysiol.org/cgi/doi/10.1104/pp.113.233791</ext-link>
</p>
</fn>
<corresp id="cor1"><label>*</label>
Address correspondence to <email>francois.chaumont@uclouvain.be</email>
.</corresp>
</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>
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<pub-date pub-type="epub"><day>21</day>
<month>1</month>
<year>2014</year>
</pub-date>
<volume>164</volume>
<issue>4</issue>
<fpage>1600</fpage>
<lpage>1618</lpage>
<history><date date-type="received"><day>06</day>
<month>12</month>
<year>2013</year>
</date>
<date date-type="accepted"><day>19</day>
<month>1</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>
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<abstract abstract-type="precis"><p><italic>Aquaporins are highly regulated water channels that contribute to the control of water movement at the cell, tissue, and organ levels and, hence, to the overall plant water relations in varying environmental conditions</italic>
.</p>
</abstract>
<abstract><p>Plant growth and development are dependent on tight regulation of water movement. Water diffusion across cell membranes is facilitated by aquaporins that provide plants with the means to rapidly and reversibly modify water permeability. This is done by changing aquaporin density and activity in the membrane, including posttranslational modifications and protein interaction that act on their trafficking and gating. At the whole organ level aquaporins modify water conductance and gradients at key “gatekeeper” cell layers that impact on whole plant water flow and plant water potential. In this way they may act in concert with stomatal regulation to determine the degree of isohydry/anisohydry. Molecular, physiological, and biophysical approaches have demonstrated that variations in root and leaf hydraulic conductivity can be accounted for by aquaporins but this must be integrated with anatomical considerations. This Update integrates these data and emphasizes the central role played by aquaporins in regulating plant water relations.</p>
</abstract>
<counts><page-count count="19"></page-count>
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<notes><glossary><title>Glossary</title>
<def-list><def-item><term id="term1">Ψ</term>
<def id="def1"><p>gradient of water potential</p>
</def>
</def-item>
<def-item><term id="term2">CTM</term>
<def id="def2"><p>composite transport model</p>
</def>
</def-item>
<def-item><term id="term3">ER</term>
<def id="def3"><p>endoplasmic reticulum</p>
</def>
</def-item>
<def-item><term id="term4"><italic>L</italic>
<sub>pr</sub>
</term>
<def id="def4"><p>root hydraulic conductivity</p>
</def>
</def-item>
<def-item><term id="term5">RH</term>
<def id="def5"><p>relative humidity</p>
</def>
</def-item>
<def-item><term id="term6">ABA</term>
<def id="def6"><p>abscisic acid</p>
</def>
</def-item>
<def-item><term id="term7">ROS</term>
<def id="def7"><p>reactive oxygen species</p>
</def>
</def-item>
<def-item><term id="term8"><italic>K</italic>
<sub>leaf</sub>
</term>
<def id="def8"><p>leaf hydraulic conductivity</p>
</def>
</def-item>
<def-item><term id="term9"><italic>g</italic>
<sub>m</sub>
</term>
<def id="def9"><p>leaf internal conductance to CO<sub>2</sub>
</p>
</def>
</def-item>
</def-list>
</glossary>
</notes>
</front>
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<tree><noCountry><name sortKey="Chaumont, Francois" sort="Chaumont, Francois" uniqKey="Chaumont F" first="François" last="Chaumont">François Chaumont</name>
<name sortKey="Tyerman, Stephen D" sort="Tyerman, Stephen D" uniqKey="Tyerman S" first="Stephen D." last="Tyerman">Stephen D. Tyerman</name>
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