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. 1969 Mar;44(3):372-6.
doi: 10.1104/pp.44.3.372.

6-(gamma,gamma-Dimethylallylamino)Purine As A Precursor of Zeatin

G A Miura  1 , C O Miller
Affiliations

6-(gamma,gamma-Dimethylallylamino)Purine As A Precursor of Zeatin

G A Miura et al. Plant Physiol. 1969 Mar.

Abstract

A 6-(gamma,gamma-dimethylallylamino) purine-like compound was found in the culture medium of Rhizopogon roseolus, which had been shown earlier to synthesize zeatin. The role of 6-(gamma,gamma-dimethylallylamino) purine as a precursor of zeatin was studied. Rhizopogon was furnished with 6-(gamma,gamma-dimethylallylamino) purine-8-(14)C. Cochromatography, oxidation studies with potassium permanganate, and bromination indicated that labeled zeatin ribonucleoside was isolated from the medium. The fungus also incorporated labeled adenine, hypoxanthine, and 4-amino-5-imidazole carboxamide into zeatin ribonucleoside.

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