Trans-zeatin in culture filtrates of Agrobacterium tumefaciens

Biochemical and Biophysical Research Communications
1977.0

Abstract

Cytokinin-active bases and nucleosides have been isolated from the culture filtrates of Agrobacterim tmefaciens by trace enrichment onto octadecyl-silica and have been identified by GLC-MS of their permethyl and trimethylsilyl derivatives. Besides the expected 6-(3-methylbut-2 enylamino) purine, the filtrate contained zeatin (85% bans, 15% cis), 2-methylthio-ribosylzeatin and smaller quantities of ribosylzeatin and other cytokinin-active nucleosides.

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