AtGRX4, an Arabidopsis chloroplastic monothiol glutaredoxin, is able to suppress yeast grx5 mutant phenotypes and respond to oxidative stress.
Identifieur interne : 000C23 ( Main/Exploration ); précédent : 000C22; suivant : 000C24AtGRX4, an Arabidopsis chloroplastic monothiol glutaredoxin, is able to suppress yeast grx5 mutant phenotypes and respond to oxidative stress.
Auteurs : Ning-Hui Cheng [États-Unis]Source :
- FEBS letters [ 0014-5793 ] ; 2008.
Descripteurs français
- KwdFr :
- Arabidopsis (enzymologie), Arabidopsis (génétique), Chloroplastes (enzymologie), Chloroplastes (génétique), Données de séquences moléculaires (MeSH), Glutarédoxines (analyse), Glutarédoxines (génétique), Glutarédoxines (métabolisme), Lysine (génétique), Lysine (métabolisme), Mitochondries (enzymologie), Mutation (MeSH), Peroxyde d'hydrogène (pharmacologie), Phénotype (MeSH), Protéines d'Arabidopsis (analyse), Protéines d'Arabidopsis (génétique), Protéines d'Arabidopsis (métabolisme), Protéines de Saccharomyces cerevisiae (génétique), Saccharomyces cerevisiae (effets des médicaments et des substances chimiques), Saccharomyces cerevisiae (génétique), Stress oxydatif (génétique), Suppression génétique (MeSH), Séquence d'acides aminés (MeSH), Test de complémentation (MeSH).
- MESH :
- analyse : Glutarédoxines, Protéines d'Arabidopsis.
- effets des médicaments et des substances chimiques : Saccharomyces cerevisiae.
- enzymologie : Arabidopsis, Chloroplastes, Mitochondries.
- génétique : Arabidopsis, Chloroplastes, Glutarédoxines, Lysine, Protéines d'Arabidopsis, Protéines de Saccharomyces cerevisiae, Saccharomyces cerevisiae, Stress oxydatif.
- métabolisme : Glutarédoxines, Lysine, Protéines d'Arabidopsis.
- pharmacologie : Peroxyde d'hydrogène.
- Données de séquences moléculaires, Mutation, Phénotype, Suppression génétique, Séquence d'acides aminés, Test de complémentation.
English descriptors
- KwdEn :
- Amino Acid Sequence (MeSH), Arabidopsis (enzymology), Arabidopsis (genetics), Arabidopsis Proteins (analysis), Arabidopsis Proteins (genetics), Arabidopsis Proteins (metabolism), Chloroplasts (enzymology), Chloroplasts (genetics), Genetic Complementation Test (MeSH), Glutaredoxins (analysis), Glutaredoxins (genetics), Glutaredoxins (metabolism), Hydrogen Peroxide (pharmacology), Lysine (genetics), Lysine (metabolism), Mitochondria (enzymology), Molecular Sequence Data (MeSH), Mutation (MeSH), Oxidative Stress (genetics), Phenotype (MeSH), Saccharomyces cerevisiae (drug effects), Saccharomyces cerevisiae (genetics), Saccharomyces cerevisiae Proteins (genetics), Suppression, Genetic (MeSH).
- MESH :
- chemical , analysis : Arabidopsis Proteins, Glutaredoxins.
- drug effects : Saccharomyces cerevisiae.
- enzymology : Arabidopsis, Chloroplasts, Mitochondria.
- genetics : Arabidopsis, Arabidopsis Proteins, Chloroplasts, Glutaredoxins, Lysine, Oxidative Stress, Saccharomyces cerevisiae, Saccharomyces cerevisiae Proteins.
- chemical , metabolism : Arabidopsis Proteins, Glutaredoxins, Lysine.
- chemical , pharmacology : Hydrogen Peroxide.
- Amino Acid Sequence, Genetic Complementation Test, Molecular Sequence Data, Mutation, Phenotype, Suppression, Genetic.
Abstract
Arabidopsis monothiol glutaredoxin (Grx), AtGRX4, was targeted to chloroplasts/plastids and had high similarity to yeast Grx5. In yeast expression assays, AtGRX4 localized to the mitochondria and suppressed the sensitivity of grx5 cells to oxidants. In addition, AtGRX4 reduced iron accumulation and rescued the lysine auxotrophy of grx5 cells. In planta, AtGRX4 RNA transcripts accumulated in growing tissues. Furthermore, AtGRX4expression was altered under various stresses. Genetic analysis revealed that seedlings of atgrx4 mutants were sensitive to oxidants. Taken together, these results suggest that AtGRX4 may have important functions in plant growth and development under extreme environments.
DOI: 10.1016/j.febslet.2008.02.006
PubMed: 18275854
Affiliations:
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Le document en format XML
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In yeast expression assays, AtGRX4 localized to the mitochondria and suppressed the sensitivity of grx5 cells to oxidants. In addition, AtGRX4 reduced iron accumulation and rescued the lysine auxotrophy of grx5 cells. In planta, AtGRX4 RNA transcripts accumulated in growing tissues. Furthermore, AtGRX4expression was altered under various stresses. Genetic analysis revealed that seedlings of atgrx4 mutants were sensitive to oxidants. Taken together, these results suggest that AtGRX4 may have important functions in plant growth and development under extreme environments.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18275854</PMID><DateCompleted><Year>2008</Year><Month>05</Month><Day>13</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0014-5793</ISSN><JournalIssue CitedMedium="Print"><Volume>582</Volume><Issue>6</Issue><PubDate><Year>2008</Year><Month>Mar</Month><Day>19</Day></PubDate></JournalIssue><Title>FEBS letters</Title><ISOAbbreviation>FEBS Lett</ISOAbbreviation></Journal><ArticleTitle>AtGRX4, an Arabidopsis chloroplastic monothiol glutaredoxin, is able to suppress yeast grx5 mutant phenotypes and respond to oxidative stress.</ArticleTitle><Pagination><MedlinePgn>848-54</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.febslet.2008.02.006</ELocationID><Abstract><AbstractText>Arabidopsis monothiol glutaredoxin (Grx), AtGRX4, was targeted to chloroplasts/plastids and had high similarity to yeast Grx5. In yeast expression assays, AtGRX4 localized to the mitochondria and suppressed the sensitivity of grx5 cells to oxidants. In addition, AtGRX4 reduced iron accumulation and rescued the lysine auxotrophy of grx5 cells. In planta, AtGRX4 RNA transcripts accumulated in growing tissues. Furthermore, AtGRX4expression was altered under various stresses. Genetic analysis revealed that seedlings of atgrx4 mutants were sensitive to oxidants. Taken together, these results suggest that AtGRX4 may have important functions in plant growth and development under extreme environments.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Cheng</LastName><ForeName>Ning-Hui</ForeName><Initials>NH</Initials><AffiliationInfo><Affiliation>Plant Physiology Group, USDA/ARS Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, 1100 Bates Street, Houston, TX 77030, USA. ncheng@bcm.tmc.edu</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2008</Year><Month>02</Month><Day>12</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>FEBS 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IdType="pubmed">18275854</ArticleId><ArticleId IdType="pii">S0014-5793(08)00104-X</ArticleId><ArticleId IdType="doi">10.1016/j.febslet.2008.02.006</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Texas</li></region></list><tree><country name="États-Unis"><region name="Texas"><name sortKey="Cheng, Ning Hui" sort="Cheng, Ning Hui" uniqKey="Cheng N" first="Ning-Hui" last="Cheng">Ning-Hui Cheng</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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