Differential expression of a poplar SK2-type dehydrin gene in response to various stresses.
Identifieur interne : 003662 ( Main/Exploration ); précédent : 003661; suivant : 003663Differential expression of a poplar SK2-type dehydrin gene in response to various stresses.
Auteurs : Eun-Kyung Bae [Corée du Sud] ; Hyoshin Lee ; Jae-Soon Lee ; Eun-Woon NohSource :
- BMB reports [ 1976-6696 ] ; 2009.
Descripteurs français
- KwdFr :
- Acclimatation (génétique), Cellules cultivées (MeSH), Clonage moléculaire (MeSH), Distribution tissulaire (MeSH), Données de séquences moléculaires (MeSH), Phylogenèse (MeSH), Populus (génétique), Populus (métabolisme), Prolifération cellulaire (MeSH), Protéines végétales (génétique), Protéines végétales (métabolisme), Régulation de l'expression des gènes végétaux (MeSH), Stress physiologique (génétique), Séquence d'acides aminés (MeSH), Séquence nucléotidique (MeSH).
- MESH :
- génétique : Acclimatation, Populus, Protéines végétales, Stress physiologique.
- métabolisme : Populus, Protéines végétales.
- Cellules cultivées, Clonage moléculaire, Distribution tissulaire, Données de séquences moléculaires, Phylogenèse, Prolifération cellulaire, Régulation de l'expression des gènes végétaux, Séquence d'acides aminés, Séquence nucléotidique.
English descriptors
- KwdEn :
- Acclimatization (genetics), Amino Acid Sequence (MeSH), Base Sequence (MeSH), Cell Proliferation (MeSH), Cells, Cultured (MeSH), Cloning, Molecular (MeSH), Gene Expression Regulation, Plant (MeSH), Molecular Sequence Data (MeSH), Phylogeny (MeSH), Plant Proteins (genetics), Plant Proteins (metabolism), Populus (genetics), Populus (metabolism), Stress, Physiological (genetics), Tissue Distribution (MeSH).
- MESH :
- chemical , genetics : Plant Proteins.
- genetics : Acclimatization, Populus, Stress, Physiological.
- chemical , metabolism : Plant Proteins, Populus.
- Amino Acid Sequence, Base Sequence, Cell Proliferation, Cells, Cultured, Cloning, Molecular, Gene Expression Regulation, Plant, Molecular Sequence Data, Phylogeny, Tissue Distribution.
Abstract
Dehydrins are group II, late embryogenesis abundant proteins that act putatively as chaperones in stressed plants. To elucidate the function of dehydrins in poplar, we isolated the SK(2)-type dehydrin gene Podhn from Populus alba x P. tremula var. glandulosa suspension cells and analyzed its expression following treatments of abiotic stress, wounding and plant growth regulator. Sequence homology and phylogenetic analyses indicate Podhn encodes an acidic dehydrin (pI 5.14, 277 amino acids, predicted size 25.6 kDa) containing two lysine-rich "K-segments" and a 7-serine residue "S-segment", both characteristic of SK(2)-type dehydrins. Southern blots show Podhn genes form a small gene family in poplar. Podhn was expressed in all tissues examined under unstressed conditions, but most strongly in cell suspensions (especially in the stationary phase). Drought, salt, cold and exogenous abscisic acid (ABA) treatments enhanced Podhn expression, while wounding and jasmonic acid caused its reduction. Therefore, Podhn might be involved in ABA or stress response.
DOI: 10.5483/bmbrep.2009.42.7.439
PubMed: 19643042
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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des gènes végétaux (MeSH)</term><term>Stress physiologique (génétique)</term><term>Séquence d'acides aminés (MeSH)</term><term>Séquence nucléotidique (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Plant Proteins</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Acclimatization</term><term>Populus</term><term>Stress, Physiological</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Acclimatation</term><term>Populus</term><term>Protéines végétales</term><term>Stress physiologique</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Plant Proteins</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Populus</term><term>Protéines végétales</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Amino Acid Sequence</term><term>Base Sequence</term><term>Cell Proliferation</term><term>Cells, Cultured</term><term>Cloning, Molecular</term><term>Gene Expression Regulation, Plant</term><term>Molecular Sequence Data</term><term>Phylogeny</term><term>Tissue Distribution</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Cellules cultivées</term><term>Clonage moléculaire</term><term>Distribution tissulaire</term><term>Données de séquences moléculaires</term><term>Phylogenèse</term><term>Prolifération cellulaire</term><term>Régulation de l'expression des gènes végétaux</term><term>Séquence d'acides aminés</term><term>Séquence nucléotidique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Dehydrins are group II, late embryogenesis abundant proteins that act putatively as chaperones in stressed plants. To elucidate the function of dehydrins in poplar, we isolated the SK(2)-type dehydrin gene Podhn from Populus alba x P. tremula var. glandulosa suspension cells and analyzed its expression following treatments of abiotic stress, wounding and plant growth regulator. Sequence homology and phylogenetic analyses indicate Podhn encodes an acidic dehydrin (pI 5.14, 277 amino acids, predicted size 25.6 kDa) containing two lysine-rich "K-segments" and a 7-serine residue "S-segment", both characteristic of SK(2)-type dehydrins. Southern blots show Podhn genes form a small gene family in poplar. Podhn was expressed in all tissues examined under unstressed conditions, but most strongly in cell suspensions (especially in the stationary phase). Drought, salt, cold and exogenous abscisic acid (ABA) treatments enhanced Podhn expression, while wounding and jasmonic acid caused its reduction. Therefore, Podhn might be involved in ABA or stress response.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19643042</PMID><DateCompleted><Year>2009</Year><Month>09</Month><Day>02</Day></DateCompleted><DateRevised><Year>2019</Year><Month>06</Month><Day>08</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1976-6696</ISSN><JournalIssue CitedMedium="Print"><Volume>42</Volume><Issue>7</Issue><PubDate><Year>2009</Year><Month>Jul</Month><Day>31</Day></PubDate></JournalIssue><Title>BMB reports</Title><ISOAbbreviation>BMB Rep</ISOAbbreviation></Journal><ArticleTitle>Differential expression of a poplar SK2-type dehydrin gene in response to various stresses.</ArticleTitle><Pagination><MedlinePgn>439-43</MedlinePgn></Pagination><Abstract><AbstractText>Dehydrins are group II, late embryogenesis abundant proteins that act putatively as chaperones in stressed plants. To elucidate the function of dehydrins in poplar, we isolated the SK(2)-type dehydrin gene Podhn from Populus alba x P. tremula var. glandulosa suspension cells and analyzed its expression following treatments of abiotic stress, wounding and plant growth regulator. Sequence homology and phylogenetic analyses indicate Podhn encodes an acidic dehydrin (pI 5.14, 277 amino acids, predicted size 25.6 kDa) containing two lysine-rich "K-segments" and a 7-serine residue "S-segment", both characteristic of SK(2)-type dehydrins. Southern blots show Podhn genes form a small gene family in poplar. Podhn was expressed in all tissues examined under unstressed conditions, but most strongly in cell suspensions (especially in the stationary phase). Drought, salt, cold and exogenous abscisic acid (ABA) treatments enhanced Podhn expression, while wounding and jasmonic acid caused its reduction. 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