Biosynthetic relationship between C-28-brassinosteroids and C-29-brassinosteroids in rice (Oryza sativa) seedlings
DC Field | Value | Language |
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dc.contributor.author | Joo, Se-Hwan | - |
dc.contributor.author | Jang, Mun-Seok | - |
dc.contributor.author | Kim, Min Kyun | - |
dc.contributor.author | Lee, Ji-Eun | - |
dc.contributor.author | Kim, Seong-Ki | - |
dc.date.available | 2019-03-08T17:56:32Z | - |
dc.date.issued | 2015-03 | - |
dc.identifier.issn | 0031-9422 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/9797 | - |
dc.description.abstract | A crude enzyme solution was prepared from young rice seedlings, and the metabolism of C-29-brassinosteroids identified from the seedlings was examined. When 28-homoteasterone was added as a substrate, 28-homotyphasterol, teasterone, and 26-nor-28-homoteasterone were characterized as enzyme products by GC-MS/SIM analysis. With 28-homotyphasterol, 28-homoteasterone, typhasterol, 28-homocastasterone, and 26-nor-28-homotyphasterol were formed and identified as products. When 28-homocastasterone was used, castasterone and 26-nor-28-homocastasterone were identified as products. Together with the reduced biological activity of C-29-brassinosteroids and their metabolites in the rice lamina inclination assay, these metabolic studies suggest a biosynthetic sequence, 28-homoteasterone <-> 28-homotyphasterol -> 28-homocastasterone for C-29-brassinosteroid biosynthesis is connected to the biosynthetic sequence teasterone <-> typhasterol -> castasterone for C-28-brassinosteroids by C-28 demethylation, i.e., in order to increase biological activity in the rice plant. Additionally, the C-29-brassinosteroids seem to bio-degrade their C-26 demethylated C-28-brassinosteroid analogs to reduce brassinosteroid activity in planta. In conclusion, the biosynthesis of C-29-brassinosteroids is a likely alternative route to the biologically-active brassinosteroid, castasterone, in rice. (C) 2014 Elsevier Ltd. All rights reserved. | - |
dc.format.extent | 7 | - |
dc.language | 영어 | - |
dc.language.iso | ENG | - |
dc.publisher | PERGAMON-ELSEVIER SCIENCE LTD | - |
dc.title | Biosynthetic relationship between C-28-brassinosteroids and C-29-brassinosteroids in rice (Oryza sativa) seedlings | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.phytochem.2014.11.006 | - |
dc.identifier.bibliographicCitation | PHYTOCHEMISTRY, v.111, pp 84 - 90 | - |
dc.description.isOpenAccess | N | - |
dc.identifier.wosid | 000350527400010 | - |
dc.identifier.scopusid | 2-s2.0-84922731686 | - |
dc.citation.endPage | 90 | - |
dc.citation.startPage | 84 | - |
dc.citation.title | PHYTOCHEMISTRY | - |
dc.citation.volume | 111 | - |
dc.type.docType | Article | - |
dc.publisher.location | 영국 | - |
dc.subject.keywordAuthor | C-29-brassinosteroids | - |
dc.subject.keywordAuthor | Biosynthesis | - |
dc.subject.keywordAuthor | C-28 demethylation | - |
dc.subject.keywordAuthor | Castasterone | - |
dc.subject.keywordAuthor | Rice | - |
dc.subject.keywordAuthor | Oryza sativa | - |
dc.subject.keywordAuthor | Gramineae | - |
dc.subject.keywordPlus | CULTURED-CELLS | - |
dc.subject.keywordPlus | ARABIDOPSIS-THALIANA | - |
dc.subject.keywordPlus | MARCHANTIA-POLYMORPHA | - |
dc.subject.keywordPlus | PHASEOLUS-VULGARIS | - |
dc.subject.keywordPlus | BRASSINOSTEROIDS | - |
dc.subject.keywordPlus | STEROLS | - |
dc.subject.keywordPlus | PLANTS | - |
dc.subject.keywordPlus | BRASSINOLIDE | - |
dc.subject.keywordPlus | CASTASTERONE | - |
dc.subject.keywordPlus | CHOLESTEROL | - |
dc.relation.journalResearchArea | Biochemistry & Molecular Biology | - |
dc.relation.journalResearchArea | Plant Sciences | - |
dc.relation.journalWebOfScienceCategory | Biochemistry & Molecular Biology | - |
dc.relation.journalWebOfScienceCategory | Plant Sciences | - |
dc.description.journalRegisteredClass | sci | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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