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A ThCAP gene from Tamarix hispida confers cold tolerance in transgenic Populus (P. davidiana x P. bolleana).

Identifieur interne : 003730 ( Main/Exploration ); précédent : 003729; suivant : 003731

A ThCAP gene from Tamarix hispida confers cold tolerance in transgenic Populus (P. davidiana x P. bolleana).

Auteurs : Xiao-Hong Guo [République populaire de Chine] ; Jing Jiang ; Shi-Jie Lin ; Bai-Chen Wang ; Yu-Cheng Wang ; Gui-Feng Liu ; Chuan-Ping Yang

Source :

RBID : pubmed:19267235

Descripteurs français

English descriptors

Abstract

The ThCAP gene, which encodes a cold acclimation protein, was isolated from a Tamarix hispida NaCl-stress root cDNA library; its expression patterns were then assayed by qRT-PCR in different T. hispida tissues treated with low temperature (4 degrees C), salt (400 mM NaCl), drought (20% PEG6000) and exogenous abscisic acid (100 microM). Induction of ThCAP gene was not only responsive to different stress conditions but was also organ specific. When transgenic Populus (P. davidiana x P. bolleana) plants were generated, expressing ThCAP under regulation of the cauliflower mosaic virus CaMV 35S promoter, they had a greater resistance to low temperature than non-transgenic seedlings, suggesting that ThCAP might play an important role in cold tolerance.

DOI: 10.1007/s10529-009-9959-7
PubMed: 19267235


Affiliations:


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Le document en format XML

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<name sortKey="Wang, Bai Chen" sort="Wang, Bai Chen" uniqKey="Wang B" first="Bai-Chen" last="Wang">Bai-Chen Wang</name>
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<name sortKey="Wang, Yu Cheng" sort="Wang, Yu Cheng" uniqKey="Wang Y" first="Yu-Cheng" last="Wang">Yu-Cheng Wang</name>
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<term>Abscisic Acid (pharmacology)</term>
<term>Caulimovirus (genetics)</term>
<term>Cold Temperature (MeSH)</term>
<term>Desiccation (MeSH)</term>
<term>Gene Expression Profiling (MeSH)</term>
<term>Osmotic Pressure (MeSH)</term>
<term>Plant Growth Regulators (pharmacology)</term>
<term>Plants, Genetically Modified (genetics)</term>
<term>Plants, Genetically Modified (physiology)</term>
<term>Populus (genetics)</term>
<term>Populus (physiology)</term>
<term>Promoter Regions, Genetic (MeSH)</term>
<term>Stress, Physiological (MeSH)</term>
<term>Tamaricaceae (genetics)</term>
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<term>Acide abscissique (pharmacologie)</term>
<term>Analyse de profil d'expression de gènes (MeSH)</term>
<term>Basse température (MeSH)</term>
<term>Caulimovirus (génétique)</term>
<term>Dessiccation (MeSH)</term>
<term>Facteur de croissance végétal (pharmacologie)</term>
<term>Populus (génétique)</term>
<term>Populus (physiologie)</term>
<term>Pression osmotique (MeSH)</term>
<term>Régions promotrices (génétique) (MeSH)</term>
<term>Stress physiologique (MeSH)</term>
<term>Tamaricaceae (génétique)</term>
<term>Végétaux génétiquement modifiés (génétique)</term>
<term>Végétaux génétiquement modifiés (physiologie)</term>
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<term>Caulimovirus</term>
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<term>Tamaricaceae</term>
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<term>Populus</term>
<term>Tamaricaceae</term>
<term>Végétaux génétiquement modifiés</term>
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<term>Acide abscissique</term>
<term>Facteur de croissance végétal</term>
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<term>Végétaux génétiquement modifiés</term>
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<term>Promoter Regions, Genetic</term>
<term>Stress, Physiological</term>
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<term>Analyse de profil d'expression de gènes</term>
<term>Basse température</term>
<term>Dessiccation</term>
<term>Pression osmotique</term>
<term>Régions promotrices (génétique)</term>
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<front>
<div type="abstract" xml:lang="en">The ThCAP gene, which encodes a cold acclimation protein, was isolated from a Tamarix hispida NaCl-stress root cDNA library; its expression patterns were then assayed by qRT-PCR in different T. hispida tissues treated with low temperature (4 degrees C), salt (400 mM NaCl), drought (20% PEG6000) and exogenous abscisic acid (100 microM). Induction of ThCAP gene was not only responsive to different stress conditions but was also organ specific. When transgenic Populus (P. davidiana x P. bolleana) plants were generated, expressing ThCAP under regulation of the cauliflower mosaic virus CaMV 35S promoter, they had a greater resistance to low temperature than non-transgenic seedlings, suggesting that ThCAP might play an important role in cold tolerance.</div>
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