Occurrence of Brassinolide and Castasterone in Crown Gall Cells of Catharanthus Yoseus

Keun-Hyung ParkThe Institute of Physical and Chemical Research, Wako-shi, Saitama 351–01, Japan

Hiroshi SaimotoResearch Laboratory, Somar Corporation, Soka-shi, Saitama 340, Japan

Sachiko NakagawaThe Institute of Physical and Chemical Research, Wako-shi, Saitama 351–01, Japan

Akira SakuraiThe Institute of Physical and Chemical Research, Wako-shi, Saitama 351–01, Japan

Takao YokotaDepartment of Agricultural Chemistry, The University of Tokyo, Bunkyo-ku, Tokyo 113, Japan

Nobutaka TakahashiDepartment of Agricultural Chemistry, The University of Tokyo, Bunkyo-ku, Tokyo 113, Japan

Kunihiko SyōnoDepartment of Pure and Applied Sciences, The University of Tokyo, Meguro-ku, Tokyo 153, Japan

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Abstract

Cultured crown gall cells of Catharanthus roseus Don (Vinca rosea L.) was found to contain brassinosteroids. These were identified as brassinolide and castasterone by GC/MS. This is the first conclusive identification of endogenous brassinosteroids in cultured cells.

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Occurrence of Brassinolide and Castasterone in Crown Gall Cells of Catharanthus Yoseus

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Occurrence of Brassinolide and Castasterone in Crown Gall Cells of Catharanthus Yoseus

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