Teasterone-3-O-.BETA.-D-glucopyranoside, A New Conjugated Brassinosteroid Metabolite from Lily Cell Suspension Cultures and Its Identification in Lily Anthers.

  • SOENO Kazuo
    Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology
  • KYOKAWA Yoshimasa
    Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology
  • NATSUME Masahiro
    Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology
  • ABE Hiroshi
    Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology

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  • Teasterone-3-ο-β-D-glucopyranoside, A New Conjugated Brassinosteroid Metabolite from Lily Cell Suspension Cultures and Its Identiffication in Lily Anthers
  • Teasterone 3 オミクロン ベータ D glucopyranoside A New Conjugated Brassinosteroid Metabolite from Lily Cell Suspension Cultures and Its Identiffication in Lily Anthers
  • Teasterone-3-<i>O</i>-β-<scp>D</scp>-glucopyranoside, A New Conjugated Brassinosteroid Metabolite from Lily Cell Suspension Cultures and Its Identification in Lily Anthers

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Abstract

  The new brassinosteroid conjugate, teasterone-3-O-β-D-glucopyranoside, was found as a metabolite of teasterone in lily cell suspension cultures. Its structure was determined by means of FAB-MS and 1H-NMR upon comparison with the authentic compound. Furthermore, its presence in lily anthers was confirmed by FAB-MS and LC-APCI-SIM data. This is the first natural brassinosteroid conjugate glucosylated at a hydroxyl group in ring A.<br>

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