Gibberellins in shoots and developing capsules of Populus species.
Identifieur interne : 004581 ( Main/Exploration ); précédent : 004580; suivant : 004582Gibberellins in shoots and developing capsules of Populus species.
Auteurs : David W. Pearce [Canada] ; Oliver E. Hutt ; Stewart B. Rood ; Lewis N. ManderSource :
- Phytochemistry [ 0031-9422 ] ; 2002.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Gibbérellines.
- composition chimique : Pousses de plante, Salicaceae.
- Chromatographie gazeuse-spectrométrie de masse.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Gibberellins.
- chemistry : Plant Shoots, Salicaceae.
- Gas Chromatography-Mass Spectrometry.
Abstract
Extracts of stems of growing shoots of Populus deltoides and P. trichocarpa, and developing capsules of P. deltoides were analysed for gibberellins (GAs) by gas chromatography-mass spectrometry. The following known GAs were identified by comparison of their Kovats retention indices (KRIs) and mass spectra with those of standards: GA1, GA8, GA9, GA19, GA20, 16 beta,17-dihydro-17-hydroxy GA20, GA23, GA28, GA29, GA34, GA44, and GA97. Several of these have not been previously reported from Populus. In addition, two new GAs were identified as 12 beta-hydroxy GA53 (GA127) and 16 beta,17-dihydro-17-hydroxy GA53 and their structures were confirmed by partial synthesis. Evidence was found of 16,17-dihydro-16,17-dihydroxy GA9, 16,17-dihydro-16,17-dihydroxy GA12, 12-hydroxy GA14, and GA34-catabolite by comparison of mass spectra and KRIs with published data. Several putative GAs (hydroxy- and dihydroxy-GA12-like) were also found. The catabolites of active GAs or of key precursors, hydroxylated at C-2 in stems and either C-2, C-12, C-17, or C-16,17 in capsules, were the major proportion of the GAs.
DOI: 10.1016/s0031-9422(02)00009-2
PubMed: 11867101
Affiliations:
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Pearce</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada. pearce@uleth.ca</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta T1K 3M4</wicri:regionArea><wicri:noRegion>Alberta T1K 3M4</wicri:noRegion></affiliation></author><author><name sortKey="Hutt, Oliver E" sort="Hutt, Oliver E" uniqKey="Hutt O" first="Oliver E" last="Hutt">Oliver E. Hutt</name></author><author><name sortKey="Rood, Stewart B" sort="Rood, Stewart B" uniqKey="Rood S" first="Stewart B" last="Rood">Stewart B. Rood</name></author><author><name sortKey="Mander, Lewis N" sort="Mander, Lewis N" uniqKey="Mander L" first="Lewis N" last="Mander">Lewis N. Mander</name></author></analytic><series><title level="j">Phytochemistry</title><idno type="ISSN">0031-9422</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Gas Chromatography-Mass Spectrometry (MeSH)</term><term>Gibberellins (analysis)</term><term>Plant Shoots (chemistry)</term><term>Salicaceae (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Chromatographie gazeuse-spectrométrie de masse (MeSH)</term><term>Gibbérellines (analyse)</term><term>Pousses de plante (composition chimique)</term><term>Salicaceae (composition chimique)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Gibberellins</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Gibbérellines</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Plant Shoots</term><term>Salicaceae</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Pousses de plante</term><term>Salicaceae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Gas Chromatography-Mass Spectrometry</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Chromatographie gazeuse-spectrométrie de masse</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Extracts of stems of growing shoots of Populus deltoides and P. trichocarpa, and developing capsules of P. deltoides were analysed for gibberellins (GAs) by gas chromatography-mass spectrometry. The following known GAs were identified by comparison of their Kovats retention indices (KRIs) and mass spectra with those of standards: GA1, GA8, GA9, GA19, GA20, 16 beta,17-dihydro-17-hydroxy GA20, GA23, GA28, GA29, GA34, GA44, and GA97. Several of these have not been previously reported from Populus. In addition, two new GAs were identified as 12 beta-hydroxy GA53 (GA127) and 16 beta,17-dihydro-17-hydroxy GA53 and their structures were confirmed by partial synthesis. Evidence was found of 16,17-dihydro-16,17-dihydroxy GA9, 16,17-dihydro-16,17-dihydroxy GA12, 12-hydroxy GA14, and GA34-catabolite by comparison of mass spectra and KRIs with published data. Several putative GAs (hydroxy- and dihydroxy-GA12-like) were also found. The catabolites of active GAs or of key precursors, hydroxylated at C-2 in stems and either C-2, C-12, C-17, or C-16,17 in capsules, were the major proportion of the GAs.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">11867101</PMID><DateCompleted><Year>2002</Year><Month>09</Month><Day>16</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>01</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0031-9422</ISSN><JournalIssue CitedMedium="Print"><Volume>59</Volume><Issue>6</Issue><PubDate><Year>2002</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Phytochemistry</Title><ISOAbbreviation>Phytochemistry</ISOAbbreviation></Journal><ArticleTitle>Gibberellins in shoots and developing capsules of Populus species.</ArticleTitle><Pagination><MedlinePgn>679-87</MedlinePgn></Pagination><Abstract><AbstractText>Extracts of stems of growing shoots of Populus deltoides and P. trichocarpa, and developing capsules of P. deltoides were analysed for gibberellins (GAs) by gas chromatography-mass spectrometry. The following known GAs were identified by comparison of their Kovats retention indices (KRIs) and mass spectra with those of standards: GA1, GA8, GA9, GA19, GA20, 16 beta,17-dihydro-17-hydroxy GA20, GA23, GA28, GA29, GA34, GA44, and GA97. Several of these have not been previously reported from Populus. In addition, two new GAs were identified as 12 beta-hydroxy GA53 (GA127) and 16 beta,17-dihydro-17-hydroxy GA53 and their structures were confirmed by partial synthesis. Evidence was found of 16,17-dihydro-16,17-dihydroxy GA9, 16,17-dihydro-16,17-dihydroxy GA12, 12-hydroxy GA14, and GA34-catabolite by comparison of mass spectra and KRIs with published data. Several putative GAs (hydroxy- and dihydroxy-GA12-like) were also found. The catabolites of active GAs or of key precursors, hydroxylated at C-2 in stems and either C-2, C-12, C-17, or C-16,17 in capsules, were the major proportion of the GAs.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pearce</LastName><ForeName>David W</ForeName><Initials>DW</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada. pearce@uleth.ca</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hutt</LastName><ForeName>Oliver E</ForeName><Initials>OE</Initials></Author><Author ValidYN="Y"><LastName>Rood</LastName><ForeName>Stewart B</ForeName><Initials>SB</Initials></Author><Author ValidYN="Y"><LastName>Mander</LastName><ForeName>Lewis N</ForeName><Initials>LN</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Phytochemistry</MedlineTA><NlmUniqueID>0151434</NlmUniqueID><ISSNLinking>0031-9422</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005875">Gibberellins</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D008401" MajorTopicYN="N">Gas Chromatography-Mass Spectrometry</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005875" MajorTopicYN="N">Gibberellins</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018520" MajorTopicYN="N">Plant Shoots</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D031308" MajorTopicYN="N">Salicaceae</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>2</Month><Day>28</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2002</Year><Month>9</Month><Day>17</Day><Hour>10</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>2</Month><Day>28</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">11867101</ArticleId><ArticleId IdType="pii">S0031942202000092</ArticleId><ArticleId IdType="doi">10.1016/s0031-9422(02)00009-2</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country></list><tree><noCountry><name sortKey="Hutt, Oliver E" sort="Hutt, Oliver E" uniqKey="Hutt O" first="Oliver E" last="Hutt">Oliver E. Hutt</name><name sortKey="Mander, Lewis N" sort="Mander, Lewis N" uniqKey="Mander L" first="Lewis N" last="Mander">Lewis N. Mander</name><name sortKey="Rood, Stewart B" sort="Rood, Stewart B" uniqKey="Rood S" first="Stewart B" last="Rood">Stewart B. Rood</name></noCountry><country name="Canada"><noRegion><name sortKey="Pearce, David W" sort="Pearce, David W" uniqKey="Pearce D" first="David W" last="Pearce">David W. Pearce</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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