Serveur d'exploration sur le peuplier

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Drought, salt and wounding stress induce the expression of the plasma membrane intrinsic protein 1 gene in poplar (Populus alba×P. tremula var. glandulosa).

Identifieur interne : 002F15 ( Main/Exploration ); précédent : 002F14; suivant : 002F16

Drought, salt and wounding stress induce the expression of the plasma membrane intrinsic protein 1 gene in poplar (Populus alba×P. tremula var. glandulosa).

Auteurs : Eun-Kyung Bae [Corée du Sud] ; Hyoshin Lee ; Jae-Soon Lee ; Eun-Woon Noh

Source :

RBID : pubmed:21640804

Descripteurs français

English descriptors

Abstract

Water uptake across cell membranes is a principal requirement for plant growth at both the cellular and whole-plant levels; water movement through plant membranes is regulated by aquaporins (AQPs) or major intrinsic proteins (MIPs). We examined the expression characteristics of the poplar plasma membrane intrinsic protein 1 gene (PatPIP1), a type of MIP, which was isolated from a suspension cell cDNA library of Populus alba×P. tremula var. glandulosa. Examination of protoplasts expressing the p35S-PatPIP1::sGFP fusion protein revealed that the protein was localized in the plasma membrane. Northern blot analysis revealed that the gene was strongly expressed in poplar roots and leaves. Gene expression was inducible by abiotic factors including drought, salinity, cold temperatures and wounding, and also by plant hormones including gibberellic acid, jasmonic acid and salicylic acid. Since we found that the PatPIP1 gene was strongly expressed in response to mannitol, NaCl, jasmonic acid and wounding, we propose that PatPIP1 plays an essential role in the defense of plants against water stress.

DOI: 10.1016/j.gene.2011.05.015
PubMed: 21640804


Affiliations:


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Le document en format XML

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<name sortKey="Bae, Eun Kyung" sort="Bae, Eun Kyung" uniqKey="Bae E" first="Eun-Kyung" last="Bae">Eun-Kyung Bae</name>
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<name sortKey="Lee, Jae Soon" sort="Lee, Jae Soon" uniqKey="Lee J" first="Jae-Soon" last="Lee">Jae-Soon Lee</name>
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<term>Amino Acid Sequence (MeSH)</term>
<term>Aquaporins (genetics)</term>
<term>Aquaporins (metabolism)</term>
<term>Cold Temperature (MeSH)</term>
<term>Dehydration (genetics)</term>
<term>Droughts (MeSH)</term>
<term>Genome, Plant (MeSH)</term>
<term>Molecular Sequence Data (MeSH)</term>
<term>Organ Specificity (MeSH)</term>
<term>Phylogeny (MeSH)</term>
<term>Plant Proteins (genetics)</term>
<term>Plant Proteins (metabolism)</term>
<term>Populus (genetics)</term>
<term>Sodium Chloride (pharmacology)</term>
<term>Stress, Physiological (MeSH)</term>
<term>Wounds and Injuries (genetics)</term>
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<term>Aquaporines (génétique)</term>
<term>Aquaporines (métabolisme)</term>
<term>Basse température (MeSH)</term>
<term>Chlorure de sodium (pharmacologie)</term>
<term>Données de séquences moléculaires (MeSH)</term>
<term>Déshydratation (génétique)</term>
<term>Génome végétal (MeSH)</term>
<term>Phylogenèse (MeSH)</term>
<term>Plaies et blessures (génétique)</term>
<term>Populus (génétique)</term>
<term>Protéines végétales (génétique)</term>
<term>Protéines végétales (métabolisme)</term>
<term>Spécificité d'organe (MeSH)</term>
<term>Stress physiologique (MeSH)</term>
<term>Sécheresses (MeSH)</term>
<term>Séquence d'acides aminés (MeSH)</term>
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<term>Aquaporins</term>
<term>Plant Proteins</term>
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<term>Aquaporins</term>
<term>Plant Proteins</term>
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<term>Dehydration</term>
<term>Populus</term>
<term>Wounds and Injuries</term>
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<term>Aquaporines</term>
<term>Déshydratation</term>
<term>Plaies et blessures</term>
<term>Populus</term>
<term>Protéines végétales</term>
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<term>Aquaporines</term>
<term>Protéines végétales</term>
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<term>Chlorure de sodium</term>
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<term>Amino Acid Sequence</term>
<term>Cold Temperature</term>
<term>Droughts</term>
<term>Genome, Plant</term>
<term>Molecular Sequence Data</term>
<term>Organ Specificity</term>
<term>Phylogeny</term>
<term>Stress, Physiological</term>
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<term>Données de séquences moléculaires</term>
<term>Génome végétal</term>
<term>Phylogenèse</term>
<term>Spécificité d'organe</term>
<term>Stress physiologique</term>
<term>Sécheresses</term>
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<div type="abstract" xml:lang="en">Water uptake across cell membranes is a principal requirement for plant growth at both the cellular and whole-plant levels; water movement through plant membranes is regulated by aquaporins (AQPs) or major intrinsic proteins (MIPs). We examined the expression characteristics of the poplar plasma membrane intrinsic protein 1 gene (PatPIP1), a type of MIP, which was isolated from a suspension cell cDNA library of Populus alba×P. tremula var. glandulosa. Examination of protoplasts expressing the p35S-PatPIP1::sGFP fusion protein revealed that the protein was localized in the plasma membrane. Northern blot analysis revealed that the gene was strongly expressed in poplar roots and leaves. Gene expression was inducible by abiotic factors including drought, salinity, cold temperatures and wounding, and also by plant hormones including gibberellic acid, jasmonic acid and salicylic acid. Since we found that the PatPIP1 gene was strongly expressed in response to mannitol, NaCl, jasmonic acid and wounding, we propose that PatPIP1 plays an essential role in the defense of plants against water stress.</div>
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<CopyrightInformation>Copyright © 2011 Elsevier B.V. All rights reserved.</CopyrightInformation>
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