Elicitation of H2 O2 production in cucumber hypocotyl segments by oligo-1,4-α-D-galacturonides and an oligo-β-glucan preparation from cell walls of Phythophthora megasperma f. sp. glycinea.
Identifieur interne : 002C58 ( Main/Exploration ); précédent : 002C57; suivant : 002C59Elicitation of H2 O2 production in cucumber hypocotyl segments by oligo-1,4-α-D-galacturonides and an oligo-β-glucan preparation from cell walls of Phythophthora megasperma f. sp. glycinea.
Auteurs : Ystein Svalheim [Norvège] ; B Rre Robertsen [Norvège]Source :
- Physiologia plantarum [ 1399-3054 ] ; 1993.
Abstract
The production of H2 O2 by cucumber hypocotyl segments (Cucumis sativus L. cv. Wisconsin SMR 58) in response to α-1,4-linked oligomers of galacturonic acid and oligo-β-glucans from the cell walls of Phytophthora megasperma f. sp. glycinea was studied. Oligogalacturonides with degrees of polymerization of 9 to 13 elicited H2 O2 production, the most effective being the deca-, undeca- and dodecamers. A similar relationship between size and effect was previously obtained when oligogalacturonides were tested for their ability to elicit lignification in cucumber hypocotyls. The oligogalacturonide-induced increase in H2 O2 concentration was detected after 4 h, reaching a maximum after 10 h of incubation. The glucan elicitor induced lignification at a 100-fold lower concentration than the oligogalacturonides, but yielded only 10% of the maximum H2 O2 accumulation seen with oligogalacturonides. The glucan elicitor-induced H2 O2 production was detectable after 2 h, and reached a maximum after 4 to 6 h. Catalase abolished the elicitation of both phenol red oxidation and lignification in cucumber hypocotyls. At least part of the oligogalacturonide-induced H2 O2 production appeared to be dependent upon de novo protein synthesis.
DOI: 10.1111/j.1399-3054.1993.tb01388.x
PubMed: 28741782
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Wisconsin SMR 58) in response to α-1,4-linked oligomers of galacturonic acid and oligo-β-glucans from the cell walls of Phytophthora megasperma f. sp. glycinea was studied. Oligogalacturonides with degrees of polymerization of 9 to 13 elicited H<sub>2</sub> O<sub>2</sub> production, the most effective being the deca-, undeca- and dodecamers. A similar relationship between size and effect was previously obtained when oligogalacturonides were tested for their ability to elicit lignification in cucumber hypocotyls. The oligogalacturonide-induced increase in H<sub>2</sub> O<sub>2</sub> concentration was detected after 4 h, reaching a maximum after 10 h of incubation. The glucan elicitor induced lignification at a 100-fold lower concentration than the oligogalacturonides, but yielded only 10% of the maximum H<sub>2</sub> O<sub>2</sub> accumulation seen with oligogalacturonides. The glucan elicitor-induced H<sub>2</sub> O<sub>2</sub> production was detectable after 2 h, and reached a maximum after 4 to 6 h. Catalase abolished the elicitation of both phenol red oxidation and lignification in cucumber hypocotyls. At least part of the oligogalacturonide-induced H<sub>2</sub> O<sub>2</sub> production appeared to be dependent upon de novo protein synthesis.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">28741782</PMID><DateRevised><Year>2019</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1399-3054</ISSN><JournalIssue CitedMedium="Internet"><Volume>88</Volume><Issue>4</Issue><PubDate><Year>1993</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Physiologia plantarum</Title><ISOAbbreviation>Physiol Plant</ISOAbbreviation></Journal><ArticleTitle>Elicitation of H<sub>2</sub> O<sub>2</sub> production in cucumber hypocotyl segments by oligo-1,4-α-D-galacturonides and an oligo-β-glucan preparation from cell walls of Phythophthora megasperma f. sp. glycinea.</ArticleTitle><Pagination><MedlinePgn>675-681</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1399-3054.1993.tb01388.x</ELocationID><Abstract><AbstractText>The production of H<sub>2</sub> O<sub>2</sub> by cucumber hypocotyl segments (Cucumis sativus L. cv. Wisconsin SMR 58) in response to α-1,4-linked oligomers of galacturonic acid and oligo-β-glucans from the cell walls of Phytophthora megasperma f. sp. glycinea was studied. Oligogalacturonides with degrees of polymerization of 9 to 13 elicited H<sub>2</sub> O<sub>2</sub> production, the most effective being the deca-, undeca- and dodecamers. A similar relationship between size and effect was previously obtained when oligogalacturonides were tested for their ability to elicit lignification in cucumber hypocotyls. The oligogalacturonide-induced increase in H<sub>2</sub> O<sub>2</sub> concentration was detected after 4 h, reaching a maximum after 10 h of incubation. The glucan elicitor induced lignification at a 100-fold lower concentration than the oligogalacturonides, but yielded only 10% of the maximum H<sub>2</sub> O<sub>2</sub> accumulation seen with oligogalacturonides. The glucan elicitor-induced H<sub>2</sub> O<sub>2</sub> production was detectable after 2 h, and reached a maximum after 4 to 6 h. Catalase abolished the elicitation of both phenol red oxidation and lignification in cucumber hypocotyls. At least part of the oligogalacturonide-induced H<sub>2</sub> O<sub>2</sub> production appeared to be dependent upon de novo protein synthesis.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Svalheim</LastName><ForeName>Øystein</ForeName><Initials>Ø</Initials><AffiliationInfo><Affiliation>Dept of Plant Physiology and Microbiology, Institute of Biology and Geology, Univ. of Tromsø, N-9037 Tronsø, Norway.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Robertsen</LastName><ForeName>Børre</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Dept of Plant Physiology and Microbiology, Institute of Biology and Geology, Univ. of Tromsø, N-9037 Tronsø, Norway.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Denmark</Country><MedlineTA>Physiol Plant</MedlineTA><NlmUniqueID>1256322</NlmUniqueID><ISSNLinking>0031-9317</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Cucumber hypocotyls</Keyword><Keyword MajorTopicYN="N">Cucumis sativus</Keyword><Keyword MajorTopicYN="N">Phytophthora megasperma f. sp. glycinea.</Keyword><Keyword MajorTopicYN="N">elicitor</Keyword><Keyword MajorTopicYN="N">hydrogen peroxide</Keyword><Keyword MajorTopicYN="N">lignification</Keyword><Keyword MajorTopicYN="N">oligogalacturonide</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>7</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>1993</Year><Month>8</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1993</Year><Month>8</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28741782</ArticleId><ArticleId IdType="doi">10.1111/j.1399-3054.1993.tb01388.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Norvège</li></country></list><tree><country name="Norvège"><noRegion><name sortKey="Svalheim, Ystein" sort="Svalheim, Ystein" uniqKey="Svalheim " first=" Ystein" last="Svalheim"> Ystein Svalheim</name></noRegion><name sortKey="Robertsen, B Rre" sort="Robertsen, B Rre" uniqKey="Robertsen B" first="B Rre" last="Robertsen">B Rre Robertsen</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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