Noninvasive Measurement of Vulnerability to Drought-Induced Embolism by X-Ray Microtomography1
Identifieur interne : 002D10 ( Ncbi/Merge ); précédent : 002D09; suivant : 002D11Noninvasive Measurement of Vulnerability to Drought-Induced Embolism by X-Ray Microtomography1
Auteurs : Brendan Choat ; Eric Badel ; Regis Burlett ; Sylvain Delzon ; Herve Cochard ; Steven JansenSource :
- Plant Physiology [ 0032-0889 ] ; 2015.
Descripteurs français
- KwdFr :
- Imagerie tridimensionnelle, Microtomographie aux rayons X (), Pinus (anatomie et histologie), Pinus (physiologie), Populus (anatomie et histologie), Populus (physiologie), Quercus (anatomie et histologie), Quercus (physiologie), Sécheresses, Tiges de plante (physiologie), Xylème (anatomie et histologie), Xylème (physiologie).
- MESH :
- anatomie et histologie : Pinus, Populus, Quercus, Xylème.
- physiologie : Pinus, Populus, Quercus, Tiges de plante, Xylème.
- Imagerie tridimensionnelle, Microtomographie aux rayons X, Sécheresses.
English descriptors
- KwdEn :
- Droughts, Imaging, Three-Dimensional, Pinus (anatomy & histology), Pinus (physiology), Plant Stems (physiology), Populus (anatomy & histology), Populus (physiology), Quercus (anatomy & histology), Quercus (physiology), X-Ray Microtomography (methods), Xylem (anatomy & histology), Xylem (physiology).
- MESH :
- anatomy & histology : Pinus, Populus, Quercus, Xylem.
- methods : X-Ray Microtomography.
- physiology : Pinus, Plant Stems, Populus, Quercus, Xylem.
- Droughts, Imaging, Three-Dimensional.
Abstract
X-ray computed microtomography provides a high-resolution, noninvasive method to evaluate vulnerability to drought-induced embolism in living, intact plants.
Url:
DOI: 10.1104/pp.15.00732
PubMed: 26527655
PubMed Central: 4704566
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PMC:4704566Le document en format XML
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de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.) b.choat@westernsydney.edu.au.</nlm:affiliation><country wicri:rule="url">Australie</country></affiliation></author><author><name sortKey="Badel, Eric" sort="Badel, Eric" uniqKey="Badel E" first="Eric" last="Badel">Eric Badel</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author><author><name sortKey="Burlett, Regis" sort="Burlett, Regis" uniqKey="Burlett R" first="Regis" last="Burlett">Regis Burlett</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author><author><name sortKey="Delzon, Sylvain" sort="Delzon, Sylvain" uniqKey="Delzon S" first="Sylvain" last="Delzon">Sylvain Delzon</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author><author><name sortKey="Cochard, Herve" sort="Cochard, Herve" uniqKey="Cochard H" first="Herve" last="Cochard">Herve Cochard</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author><author><name sortKey="Jansen, Steven" sort="Jansen, Steven" uniqKey="Jansen S" first="Steven" last="Jansen">Steven Jansen</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:26527655</idno><idno type="pmid">26527655</idno><idno type="doi">10.1104/pp.15.00732</idno><idno type="wicri:Area/PubMed/Corpus">002530</idno><idno type="wicri:explorRef" wicri:stream="PubMed" 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Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.) b.choat@westernsydney.edu.au.</nlm:affiliation><country wicri:rule="url">Australie</country></affiliation></author><author><name sortKey="Badel, Eric" sort="Badel, Eric" uniqKey="Badel E" first="Eric" last="Badel">Eric Badel</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author><author><name sortKey="Burlett, Regis" sort="Burlett, Regis" uniqKey="Burlett R" first="Regis" last="Burlett">Regis Burlett</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author><author><name sortKey="Delzon, Sylvain" sort="Delzon, Sylvain" uniqKey="Delzon S" first="Sylvain" last="Delzon">Sylvain Delzon</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author><author><name sortKey="Cochard, Herve" sort="Cochard, Herve" uniqKey="Cochard H" first="Herve" last="Cochard">Herve Cochard</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author><author><name sortKey="Jansen, Steven" sort="Jansen, Steven" uniqKey="Jansen S" first="Steven" last="Jansen">Steven Jansen</name><affiliation><nlm:affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Richmond, New South Wales 2753, Australia (B.C.);Institut National de la Recherche Agronomique, Unité Mixte de Recherche 547 PIAF, F-63100 Clermont-Ferrand, France (E.B., H.C.);Université Blaise-Pascal, Unité Mixte de Recherche 547 PIAF, 63000 Clermont-Ferrand, France (E.B., H.C.);Institut National de la Recherche Agronomique, University of Bordeaux, Unité Mixte de Recherche BIOGECO, F-33450 Talence, France (R.B., S.D.); andInstitute for Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany (S.J.).</nlm:affiliation><wicri:noCountry code="subField">Germany (S.J.).</wicri:noCountry></affiliation></author></analytic><series><title level="j">Plant physiology</title><idno type="eISSN">1532-2548</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Droughts</term><term>Imaging, Three-Dimensional</term><term>Pinus (anatomy & histology)</term><term>Pinus (physiology)</term><term>Plant Stems (physiology)</term><term>Populus (anatomy & histology)</term><term>Populus (physiology)</term><term>Quercus (anatomy & histology)</term><term>Quercus (physiology)</term><term>X-Ray Microtomography (methods)</term><term>Xylem (anatomy & histology)</term><term>Xylem (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Imagerie tridimensionnelle</term><term>Microtomographie aux rayons X ()</term><term>Pinus (anatomie et histologie)</term><term>Pinus (physiologie)</term><term>Populus (anatomie et histologie)</term><term>Populus (physiologie)</term><term>Quercus (anatomie et histologie)</term><term>Quercus (physiologie)</term><term>Sécheresses</term><term>Tiges de plante (physiologie)</term><term>Xylème (anatomie et histologie)</term><term>Xylème (physiologie)</term></keywords><keywords scheme="MESH" qualifier="anatomie et histologie" xml:lang="fr"><term>Pinus</term><term>Populus</term><term>Quercus</term><term>Xylème</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Pinus</term><term>Populus</term><term>Quercus</term><term>Xylem</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>X-Ray Microtomography</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Pinus</term><term>Populus</term><term>Quercus</term><term>Tiges de plante</term><term>Xylème</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Pinus</term><term>Plant Stems</term><term>Populus</term><term>Quercus</term><term>Xylem</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Droughts</term><term>Imaging, Three-Dimensional</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Imagerie tridimensionnelle</term><term>Microtomographie aux rayons X</term><term>Sécheresses</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">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 (microCT) to directly visualize embolism formation in the xylem of living, intact plants with contrasting wood anatomy (Quercus robur, Populus tremula × Populus alba, and Pinus pinaster). These observations were compared with widely used centrifuge techniques that require destructive sampling. MicroCT imaging provided detailed spatial information regarding the dimensions and functional status of xylem conduits during dehydration. Vulnerability curves based on microCT observations of intact plants closely matched curves based on the centrifuge technique for species with short vessels (P. tremula × P. alba) or tracheids (P. pinaster). For ring porous Q. robur, 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 microCT can be used to assess the vulnerability to embolism on intact plants by direct visualization.</div></front></TEI></pubmed></double></record>Pour manipuler ce document sous Unix (Dilib)
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