Tetraploid Rangpur lime rootstock increases drought tolerance via enhanced constitutive root abscisic acid production.
Identifieur interne : 000D09 ( Main/Exploration ); précédent : 000D08; suivant : 000D10Tetraploid Rangpur lime rootstock increases drought tolerance via enhanced constitutive root abscisic acid production.
Auteurs : Thierry Allario ; Javier Brumos ; Jose M. Colmenero-Flores ; Domingo J. Iglesias ; Jose A. Pina ; Luis Navarro ; Manuel Talon ; Patrick Ollitrault ; Raphaël MorillonSource :
- Plant, cell & environment [ 1365-3040 ] ; 2013.
English descriptors
- KwdEn :
- Abscisic Acid (metabolism), Adaptation, Physiological, Citrus (genetics), Citrus (metabolism), Citrus (physiology), Dehydration, Diploidy, Droughts, Gene Expression Profiling, Gene Expression Regulation, Plant, Models, Biological, Oligonucleotide Array Sequence Analysis, Plant Leaves (genetics), Plant Leaves (metabolism), Plant Leaves (physiology), Plant Proteins (genetics), Plant Proteins (metabolism), Plant Roots (genetics), Plant Roots (metabolism), Plant Roots (physiology), Plant Shoots (genetics), Plant Shoots (metabolism), Plant Shoots (physiology), Plant Stomata (genetics), Plant Stomata (metabolism), Plant Stomata (physiology), Plant Transpiration (physiology), RNA, Plant (genetics), Signal Transduction, Tetraploidy, Water (physiology).
- MESH :
- chemical , genetics : Plant Proteins, RNA, Plant.
- chemical , metabolism : Abscisic Acid, Plant Proteins.
- genetics : Citrus, Plant Leaves, Plant Roots, Plant Shoots, Plant Stomata.
- metabolism : Citrus, Plant Leaves, Plant Roots, Plant Shoots, Plant Stomata.
- physiology : Citrus, Plant Leaves, Plant Roots, Plant Shoots, Plant Stomata, Plant Transpiration, Water.
- Adaptation, Physiological, Dehydration, Diploidy, Droughts, Gene Expression Profiling, Gene Expression Regulation, Plant, Models, Biological, Oligonucleotide Array Sequence Analysis, Signal Transduction, Tetraploidy.
Abstract
Whole-genome duplication, or polyploidy, is common in many plant species and often leads to better adaptation to adverse environmental condition. However, little is known about the physiological and molecular determinants underlying adaptation. We examined the drought tolerance in diploid (2x) and autotetraploid (4x) clones of Rangpur lime (Citrus limonia) rootstocks grafted with 2x Valencia Delta sweet orange (Citrus sinensis) scions, named V/2xRL and V/4xRL, respectively. Physiological experiments to study root-shoot communication associated with gene expression studies in roots and leaves were performed. V/4xRL was much more tolerant to water deficit than V/2xRL. Gene expression analysis in leaves and roots showed that more genes related to the response to water stress were differentially expressed in V/2xRL than in V/4xRL. Prior to the stress, when comparing V/4xRL to V/2xRL, V/4xRL leaves had lower stomatal conductance and greater abscisic acid (ABA) content. In roots, ABA content was higher in V/4xRL and was associated to a greater expression of drought responsive genes, including CsNCED1, a pivotal regulatory gene of ABA biosynthesis. We conclude that tetraploidy modifies the expression of genes in Rangpur lime citrus roots to regulate long-distance ABA signalling and adaptation to stress.
DOI: 10.1111/pce.12021
PubMed: 23050986
Affiliations:
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Colmenero-Flores</name></author><author><name sortKey="Iglesias, Domingo J" sort="Iglesias, Domingo J" uniqKey="Iglesias D" first="Domingo J" last="Iglesias">Domingo J. Iglesias</name></author><author><name sortKey="Pina, Jose A" sort="Pina, Jose A" uniqKey="Pina J" first="Jose A" last="Pina">Jose A. Pina</name></author><author><name sortKey="Navarro, Luis" sort="Navarro, Luis" uniqKey="Navarro L" first="Luis" last="Navarro">Luis Navarro</name></author><author><name sortKey="Talon, Manuel" sort="Talon, Manuel" uniqKey="Talon M" first="Manuel" last="Talon">Manuel Talon</name></author><author><name sortKey="Ollitrault, Patrick" sort="Ollitrault, Patrick" uniqKey="Ollitrault P" first="Patrick" last="Ollitrault">Patrick Ollitrault</name></author><author><name sortKey="Morillon, Raphael" sort="Morillon, Raphael" uniqKey="Morillon R" first="Raphaël" last="Morillon">Raphaël Morillon</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="RBID">pubmed:23050986</idno><idno type="pmid">23050986</idno><idno type="doi">10.1111/pce.12021</idno><idno type="wicri:Area/PubMed/Corpus">000479</idno><idno type="wicri:Area/PubMed/Curation">000479</idno><idno type="wicri:Area/PubMed/Checkpoint">000479</idno><idno type="wicri:Area/Ncbi/Merge">001110</idno><idno type="wicri:Area/Ncbi/Curation">001110</idno><idno type="wicri:Area/Ncbi/Checkpoint">001110</idno><idno type="wicri:Area/Main/Merge">000D13</idno><idno type="wicri:Area/Main/Curation">000D09</idno><idno type="wicri:Area/Main/Exploration">000D09</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Tetraploid Rangpur lime rootstock increases drought tolerance via enhanced constitutive root abscisic acid production.</title><author><name sortKey="Allario, Thierry" sort="Allario, Thierry" uniqKey="Allario T" first="Thierry" last="Allario">Thierry Allario</name><affiliation><nlm:affiliation>Centre de Coopération Internationale en Recherche Agronomique pour Développement, UMR Amélioration Génétique et Adaptation des Plantes.</nlm:affiliation><wicri:noCountry code="subField">UMR Amélioration Génétique et Adaptation des Plantes</wicri:noCountry></affiliation></author><author><name sortKey="Brumos, Javier" sort="Brumos, Javier" uniqKey="Brumos J" first="Javier" last="Brumos">Javier Brumos</name></author><author><name sortKey="Colmenero Flores, Jose M" sort="Colmenero Flores, Jose M" uniqKey="Colmenero Flores J" first="Jose M" last="Colmenero-Flores">Jose M. Colmenero-Flores</name></author><author><name sortKey="Iglesias, Domingo J" sort="Iglesias, Domingo J" uniqKey="Iglesias D" first="Domingo J" last="Iglesias">Domingo J. Iglesias</name></author><author><name sortKey="Pina, Jose A" sort="Pina, Jose A" uniqKey="Pina J" first="Jose A" last="Pina">Jose A. Pina</name></author><author><name sortKey="Navarro, Luis" sort="Navarro, Luis" uniqKey="Navarro L" first="Luis" last="Navarro">Luis Navarro</name></author><author><name sortKey="Talon, Manuel" sort="Talon, Manuel" uniqKey="Talon M" first="Manuel" last="Talon">Manuel Talon</name></author><author><name sortKey="Ollitrault, Patrick" sort="Ollitrault, Patrick" uniqKey="Ollitrault P" first="Patrick" last="Ollitrault">Patrick Ollitrault</name></author><author><name sortKey="Morillon, Raphael" sort="Morillon, Raphael" uniqKey="Morillon R" first="Raphaël" last="Morillon">Raphaël Morillon</name></author></analytic><series><title level="j">Plant, cell & environment</title><idno type="eISSN">1365-3040</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Abscisic Acid (metabolism)</term><term>Adaptation, Physiological</term><term>Citrus (genetics)</term><term>Citrus (metabolism)</term><term>Citrus (physiology)</term><term>Dehydration</term><term>Diploidy</term><term>Droughts</term><term>Gene Expression Profiling</term><term>Gene Expression Regulation, Plant</term><term>Models, Biological</term><term>Oligonucleotide Array Sequence Analysis</term><term>Plant Leaves (genetics)</term><term>Plant Leaves (metabolism)</term><term>Plant Leaves (physiology)</term><term>Plant Proteins (genetics)</term><term>Plant Proteins (metabolism)</term><term>Plant Roots (genetics)</term><term>Plant Roots (metabolism)</term><term>Plant Roots (physiology)</term><term>Plant Shoots (genetics)</term><term>Plant Shoots (metabolism)</term><term>Plant Shoots (physiology)</term><term>Plant Stomata (genetics)</term><term>Plant Stomata (metabolism)</term><term>Plant Stomata (physiology)</term><term>Plant Transpiration (physiology)</term><term>RNA, Plant (genetics)</term><term>Signal Transduction</term><term>Tetraploidy</term><term>Water (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Plant Proteins</term><term>RNA, Plant</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Abscisic Acid</term><term>Plant Proteins</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Citrus</term><term>Plant Leaves</term><term>Plant Roots</term><term>Plant Shoots</term><term>Plant Stomata</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Citrus</term><term>Plant Leaves</term><term>Plant Roots</term><term>Plant Shoots</term><term>Plant Stomata</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Citrus</term><term>Plant Leaves</term><term>Plant Roots</term><term>Plant Shoots</term><term>Plant Stomata</term><term>Plant Transpiration</term><term>Water</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adaptation, Physiological</term><term>Dehydration</term><term>Diploidy</term><term>Droughts</term><term>Gene Expression Profiling</term><term>Gene Expression Regulation, Plant</term><term>Models, Biological</term><term>Oligonucleotide Array Sequence Analysis</term><term>Signal Transduction</term><term>Tetraploidy</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Whole-genome duplication, or polyploidy, is common in many plant species and often leads to better adaptation to adverse environmental condition. However, little is known about the physiological and molecular determinants underlying adaptation. We examined the drought tolerance in diploid (2x) and autotetraploid (4x) clones of Rangpur lime (Citrus limonia) rootstocks grafted with 2x Valencia Delta sweet orange (Citrus sinensis) scions, named V/2xRL and V/4xRL, respectively. Physiological experiments to study root-shoot communication associated with gene expression studies in roots and leaves were performed. V/4xRL was much more tolerant to water deficit than V/2xRL. Gene expression analysis in leaves and roots showed that more genes related to the response to water stress were differentially expressed in V/2xRL than in V/4xRL. Prior to the stress, when comparing V/4xRL to V/2xRL, V/4xRL leaves had lower stomatal conductance and greater abscisic acid (ABA) content. In roots, ABA content was higher in V/4xRL and was associated to a greater expression of drought responsive genes, including CsNCED1, a pivotal regulatory gene of ABA biosynthesis. We conclude that tetraploidy modifies the expression of genes in Rangpur lime citrus roots to regulate long-distance ABA signalling and adaptation to stress.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Allario, Thierry" sort="Allario, Thierry" uniqKey="Allario T" first="Thierry" last="Allario">Thierry Allario</name><name sortKey="Brumos, Javier" sort="Brumos, Javier" uniqKey="Brumos J" first="Javier" last="Brumos">Javier Brumos</name><name sortKey="Colmenero Flores, Jose M" sort="Colmenero Flores, Jose M" uniqKey="Colmenero Flores J" first="Jose M" last="Colmenero-Flores">Jose M. Colmenero-Flores</name><name sortKey="Iglesias, Domingo J" sort="Iglesias, Domingo J" uniqKey="Iglesias D" first="Domingo J" last="Iglesias">Domingo J. Iglesias</name><name sortKey="Morillon, Raphael" sort="Morillon, Raphael" uniqKey="Morillon R" first="Raphaël" last="Morillon">Raphaël Morillon</name><name sortKey="Navarro, Luis" sort="Navarro, Luis" uniqKey="Navarro L" first="Luis" last="Navarro">Luis Navarro</name><name sortKey="Ollitrault, Patrick" sort="Ollitrault, Patrick" uniqKey="Ollitrault P" first="Patrick" last="Ollitrault">Patrick Ollitrault</name><name sortKey="Pina, Jose A" sort="Pina, Jose A" uniqKey="Pina J" first="Jose A" last="Pina">Jose A. Pina</name><name sortKey="Talon, Manuel" sort="Talon, Manuel" uniqKey="Talon M" first="Manuel" last="Talon">Manuel Talon</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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