Ethylene is required for elicitin-induced oxidative burst but not for cell death induction in tobacco cell suspension cultures.
Identifieur interne : 001E82 ( Main/Exploration ); précédent : 001E81; suivant : 001E83Ethylene is required for elicitin-induced oxidative burst but not for cell death induction in tobacco cell suspension cultures.
Auteurs : Julia Koehl [Allemagne] ; Alma Djulic ; Veronika Kirner ; Tach Thao Nguyen ; Ingrid HeiserSource :
- Journal of plant physiology [ 0176-1617 ] ; 2007.
Descripteurs français
- KwdFr :
- Acide aminooxy-acétique (pharmacologie), Cellules cultivées (MeSH), Cobalt (pharmacologie), Facteurs temps (MeSH), Fragmentation de l'ADN (effets des médicaments et des substances chimiques), Mort cellulaire (effets des médicaments et des substances chimiques), Peroxyde d'hydrogène (métabolisme), Phytophthora (MeSH), Protéines d'algue (pharmacologie), Relation dose-effet des médicaments (MeSH), Stimulation du métabolisme oxydatif (effets des médicaments et des substances chimiques), Tabac (cytologie), Tabac (effets des médicaments et des substances chimiques), Éthylènes (métabolisme).
- MESH :
- cytologie : Tabac.
- effets des médicaments et des substances chimiques : Fragmentation de l'ADN, Mort cellulaire, Stimulation du métabolisme oxydatif, Tabac.
- métabolisme : Peroxyde d'hydrogène, Éthylènes.
- pharmacologie : Acide aminooxy-acétique, Cobalt, Protéines d'algue.
- Cellules cultivées, Facteurs temps, Phytophthora, Relation dose-effet des médicaments.
English descriptors
- KwdEn :
- Algal Proteins (pharmacology), Aminooxyacetic Acid (pharmacology), Cell Death (drug effects), Cells, Cultured (MeSH), Cobalt (pharmacology), DNA Fragmentation (drug effects), Dose-Response Relationship, Drug (MeSH), Ethylenes (metabolism), Hydrogen Peroxide (metabolism), Phytophthora (MeSH), Respiratory Burst (drug effects), Time Factors (MeSH), Tobacco (cytology), Tobacco (drug effects).
- MESH :
- chemical , metabolism : Ethylenes, Hydrogen Peroxide.
- chemical , pharmacology : Algal Proteins, Aminooxyacetic Acid, Cobalt.
- cytology : Tobacco.
- drug effects : Cell Death, DNA Fragmentation, Respiratory Burst, Tobacco.
- Cells, Cultured, Dose-Response Relationship, Drug, Phytophthora, Time Factors.
Abstract
The signal compound ethylene and its relationships with oxidative burst and cell death were analyzed in cultured tobacco cells treated with the proteinaceous elicitor quercinin. Quercinin belongs to the protein family of elicitins and was isolated from the soil-born oak pathogen Phytophthora quercina. It was shown to induce a dose-dependent oxidative burst in tobacco cell culture in concentrations from 0.05 to 0.5 nM, and subsequently, cell death. The characteristics of quercinin-induced cell death included both membrane damage and DNA fragmentation in tobacco cell culture. At higher quercinin concentrations (2 nM), H(2)O(2) formation and ethylene biosynthesis were inhibited. Ethylene at low concentrations proved to be necessary for induction and maintenance of H(2)O(2) production in tobacco cells treated with quercinin. It was demonstrated that external addition of inhibitors of ethylene biosynthesis such as alpha-amino-oxy-acetic acid (AOA) and CoCl(2) also decreased or even inhibited the quercinin-induced oxidative burst, but did not influence cell death induction. These results demonstrate evidence for a requirement of the plant hormone ethylene for the onset of the quercinin-induced oxidative burst.
DOI: 10.1016/j.jplph.2007.05.012
PubMed: 17913292
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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de l'ADN (effets des médicaments et des substances chimiques)</term><term>Mort cellulaire (effets des médicaments et des substances chimiques)</term><term>Peroxyde d'hydrogène (métabolisme)</term><term>Phytophthora (MeSH)</term><term>Protéines d'algue (pharmacologie)</term><term>Relation dose-effet des médicaments (MeSH)</term><term>Stimulation du métabolisme oxydatif (effets des médicaments et des substances chimiques)</term><term>Tabac (cytologie)</term><term>Tabac (effets des médicaments et des substances chimiques)</term><term>Éthylènes (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Ethylenes</term><term>Hydrogen Peroxide</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Algal Proteins</term><term>Aminooxyacetic Acid</term><term>Cobalt</term></keywords><keywords scheme="MESH" qualifier="cytologie" xml:lang="fr"><term>Tabac</term></keywords><keywords scheme="MESH" 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Quercinin belongs to the protein family of elicitins and was isolated from the soil-born oak pathogen Phytophthora quercina. It was shown to induce a dose-dependent oxidative burst in tobacco cell culture in concentrations from 0.05 to 0.5 nM, and subsequently, cell death. The characteristics of quercinin-induced cell death included both membrane damage and DNA fragmentation in tobacco cell culture. At higher quercinin concentrations (2 nM), H(2)O(2) formation and ethylene biosynthesis were inhibited. Ethylene at low concentrations proved to be necessary for induction and maintenance of H(2)O(2) production in tobacco cells treated with quercinin. It was demonstrated that external addition of inhibitors of ethylene biosynthesis such as alpha-amino-oxy-acetic acid (AOA) and CoCl(2) also decreased or even inhibited the quercinin-induced oxidative burst, but did not influence cell death induction. These results demonstrate evidence for a requirement of the plant hormone ethylene for the onset of the quercinin-induced oxidative burst.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17913292</PMID><DateCompleted><Year>2008</Year><Month>01</Month><Day>30</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0176-1617</ISSN><JournalIssue CitedMedium="Print"><Volume>164</Volume><Issue>12</Issue><PubDate><Year>2007</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Journal of plant physiology</Title><ISOAbbreviation>J Plant Physiol</ISOAbbreviation></Journal><ArticleTitle>Ethylene is required for elicitin-induced oxidative burst but not for cell death induction in tobacco cell suspension cultures.</ArticleTitle><Pagination><MedlinePgn>1555-63</MedlinePgn></Pagination><Abstract><AbstractText>The signal compound ethylene and its relationships with oxidative burst and cell death were analyzed in cultured tobacco cells treated with the proteinaceous elicitor quercinin. Quercinin belongs to the protein family of elicitins and was isolated from the soil-born oak pathogen Phytophthora quercina. It was shown to induce a dose-dependent oxidative burst in tobacco cell culture in concentrations from 0.05 to 0.5 nM, and subsequently, cell death. The characteristics of quercinin-induced cell death included both membrane damage and DNA fragmentation in tobacco cell culture. At higher quercinin concentrations (2 nM), H(2)O(2) formation and ethylene biosynthesis were inhibited. Ethylene at low concentrations proved to be necessary for induction and maintenance of H(2)O(2) production in tobacco cells treated with quercinin. It was demonstrated that external addition of inhibitors of ethylene biosynthesis such as alpha-amino-oxy-acetic acid (AOA) and CoCl(2) also decreased or even inhibited the quercinin-induced oxidative burst, but did not influence cell death induction. These results demonstrate evidence for a requirement of the plant hormone ethylene for the onset of the quercinin-induced oxidative burst.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Koehl</LastName><ForeName>Julia</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Institute of Pathology of Woody Plants, Life Science Center Weihenstephan, Technische Universität München, Am Hochanger 13, 85350 Freising-Weihenstephan, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Djulic</LastName><ForeName>Alma</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Kirner</LastName><ForeName>Veronika</ForeName><Initials>V</Initials></Author><Author ValidYN="Y"><LastName>Nguyen</LastName><ForeName>Tach Thao</ForeName><Initials>TT</Initials></Author><Author ValidYN="Y"><LastName>Heiser</LastName><ForeName>Ingrid</ForeName><Initials>I</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2007</Year><Month>10</Month><Day>03</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>J Plant Physiol</MedlineTA><NlmUniqueID>9882059</NlmUniqueID><ISSNLinking>0176-1617</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D020418">Algal Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005030">Ethylenes</NameOfSubstance></Chemical><Chemical><RegistryNumber>14I68GI3OQ</RegistryNumber><NameOfSubstance UI="D000625">Aminooxyacetic Acid</NameOfSubstance></Chemical><Chemical><RegistryNumber>3G0H8C9362</RegistryNumber><NameOfSubstance 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PubStatus="pubmed"><Year>2007</Year><Month>10</Month><Day>5</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>1</Month><Day>31</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2007</Year><Month>10</Month><Day>5</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">17913292</ArticleId><ArticleId IdType="pii">S0176-1617(07)00174-5</ArticleId><ArticleId IdType="doi">10.1016/j.jplph.2007.05.012</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li></country><region><li>Bavière</li><li>District de Haute-Bavière</li></region><settlement><li>Munich</li></settlement><orgName><li>Université technique de Munich</li></orgName></list><tree><noCountry><name sortKey="Djulic, Alma" sort="Djulic, Alma" uniqKey="Djulic A" first="Alma" last="Djulic">Alma Djulic</name><name sortKey="Heiser, Ingrid" sort="Heiser, Ingrid" uniqKey="Heiser I" first="Ingrid" last="Heiser">Ingrid Heiser</name><name sortKey="Kirner, Veronika" sort="Kirner, Veronika" uniqKey="Kirner V" first="Veronika" last="Kirner">Veronika Kirner</name><name sortKey="Nguyen, Tach Thao" sort="Nguyen, Tach Thao" uniqKey="Nguyen T" first="Tach Thao" last="Nguyen">Tach Thao Nguyen</name></noCountry><country name="Allemagne"><region name="Bavière"><name sortKey="Koehl, Julia" sort="Koehl, Julia" uniqKey="Koehl J" first="Julia" last="Koehl">Julia Koehl</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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